Panasonic SA-AK630GC Service Manual
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Panasonic SA-AK630GC Service Manual

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Specifications
n AMPLIFIER SECTION
RMS output power
THD 10%, both channels driven
1 kHz
(Low channel)
10 kHz
(High channel)
80 Hz
(Subwoofer channel)
Total power output
For GC only
PMPO
n FM/AM TUNER, TERMINALS SECTION
Preset station
Frequency Modulation (FM)
Frequency range
Sensitivity
S/N 26 dB
Antenna terminal(s)
Amplitude Modulation (AM)
Frequency range
For GC only
For GN only
Sensitivity
S/N 20 dB (at 999 kHz)
75 W per channel (5 Ω)
70 W per channel (5 Ω)
160 W (8 Ω)
450 W
4000 W
FM 15 stations
AM 15 stations
87.50 - 108.00 MHz (50 kHz steps)
2.5 µV (IHF)
2.2 µV
75 Ω (unbalanced)
522 - 1629 kHz (9 kHz steps)
520 - 1630 kHz (10 kHz steps)
522 - 1629 kHz (9 kHz steps)
560 µV/m
SA-AK630GC
SA-AK630GN
Colour
(S)... Silver Type
Audio performance (Amplifier)
Input sensitivity/Input impedance
Aux
Phone jack
Terminal
n CASSETTE DECK SECTION
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erasing system
Tape speed
Overall frequency response (+3 dB, -6 dB at DECK OUT)
NORMAL
S/N ratio
Wow and flutter
Fast forward and rewind time
n DISC SECTION
Discs played [8 cm or 12 cm]
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3 formatted disc)
(3) MP3
Bit rate
MP3
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0501043C3
CD Stereo System
250 mV,14.7 kΩ
Stereo, 3.5 mm jack
4 track, 2 channel
Solid permalloy head
Double gap ferrite head
DC servo motor
AC bias 100 kHz
AC erase 100 kHz
35 Hz - 14 kHz
50 dB (A weighted)
0.18 % (WRMS)
Approx. 120 seconds with
C-60 cassette tape
32 kbps - 320 kbps
Unauthorized
copying
4.8 cm/s
and

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Summary of Contents for Panasonic SA-AK630GC

  • Page 1 ORDER NO. MD0501043C3 CD Stereo System SA-AK630GC SA-AK630GN Colour (S)... Silver Type Specifications n AMPLIFIER SECTION Audio performance (Amplifier) RMS output power Input sensitivity/Input impedance THD 10%, both channels driven 250 mV,14.7 kΩ 1 kHz Phone jack 75 W per channel (5 Ω)

  • Page 2: Table Of Contents

    SA-AK63 0GC / SA-AK63 0GN Sampling frequency Power consumption in standby 0.7 W mode 32 kHz, 44.1 kHz, 48 kHz Dimensions (W x H x D) 250 x 330 x 341 mm 44.1 kHz Mass 7.1 kg Decoding 16 bit linear Operating temperature range +5 to +35°C Digital filter...
  • Page 3 SA-AK63 0GC / SA-AK63 0GN 13.2. Tuner Section 17.5. (E) CD Detect P.C.B., (F) Spindle Position P.C.B., (G) CD 13.3. Alignment Points Loading P.C.B. & (K) Tuner Pack P.C.B. 14 Block Diagram 17.6. (H) Power P.C.B. & (L) Sub-Power P.C.B. 15 Voltage Measurement 17.7.

  • Page 4: Before Repair And Adjustment

    SA-AK63 0GC / SA-AK63 0GN 1 Before Repair and Adjustment Disconnect AC power, discharge Power Supply Capacitors C5820 and C5840 through a 10Ω, 5W resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices. After repairs are completed, restore power gradually using a variac, to avoid overcurrent.

  • Page 5: Prevention Of Electro Static Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    SA-AK63 0GC / SA-AK63 0GN 3 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by electricity. Such components commonly are called Electrostatica lly Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field- effect transistors and semiconductor “chip”...

  • Page 6: Handling Precautions For Traverse Deck

    SA-AK63 0GC / SA-AK63 0GN 5 Handling Precautions For Traverse Deck The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by static electricity of clothes or human body. So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup). ·...

  • Page 7: Precaution Of Laser Diode

    SA-AK63 0GC / SA-AK63 0GN 6 Precaution of Laser Diode Caution : This product utilizes a laser diode with the unit turned "ON", invisible laser radiation is emitted from the pick up lens. Wavelength : 780 nm Maximum output radiation power from pick up : 100 µW/VDE Laser radiation from pick up unit is safety level, but be sure the followings: 1.

  • Page 8: Accessories

    SA-AK63 0GC / SA-AK63 0GN 7 Accessories Remote Control FM Antenna AC Cord (For GN only) AC Cord (For GC only) AM Loop Antenna...

  • Page 9: Operation Procedures

    SA-AK63 0GC / SA-AK63 0GN 8 Operation Procedures...
  • Page 10 SA-AK63 0GC / SA-AK63 0GN...

  • Page 11: Disassembly And Assembly Of Main Component

    SA-AK63 0GC / SA-AK63 0GN 9 Disassembly and Assembly of Main Component “ATTENTION SERVICER” Some chassis components may have sharp edges. Be careful when disassemblin g and servicing. 1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.

  • Page 12: Gear For Servicing (Jig) Information

    SA-AK63 0GC / SA-AK63 0GN 9.2. Gear for servicing (jig) Information 1. This unit has a gear which is used for checking items (Open/Close of disc tray, up/down operation of traverse unit by manually) when servicing. 2. For preparation of gear (for servicing), perform the procedures as follows. 3.

  • Page 13: Disassembly Of Top Cabinet

    SA-AK63 0GC / SA-AK63 0GN 9.3. Disassembly of Top Cabinet Step 1 Remove 2 screws at each side and 5 screws at rear panel. Step 2 Lift up both sides of the top cabinet, push the top cabinet towards the rear and remove the top cabinet. 9.4.
  • Page 14 SA-AK63 0GC / SA-AK63 0GN Step 6 Press the POWER button to turn the power off. · [Opening the disc tray manually (Using service tools)] Step 3 Repeat Step 2 but rotate the gear tools in anti-clockwise direction. Step 1 Insert the gear tool into the hole on the underside of CD chassis and then rotate in the direction of arrow.

  • Page 15: Disassembly Of Rear Panel

    SA-AK63 0GC / SA-AK63 0GN 9.5. Disassembly of Rear Panel · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet Step 1 Remove 7 screws and disconnect wire CN2810 (Fan) at rear cabinet as shown. 9.6.

  • Page 16: Disassembly Of Main P.c.b

    SA-AK63 0GC / SA-AK63 0GN 9.7. Disassembly of Main P.C.B. · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid ·...

  • Page 17: Disassembly Of Power P.c.b

    SA-AK63 0GC / SA-AK63 0GN · Replacement of Power Amplifier IC Step 1 Desolder the terminals of Power Amplifier IC and replace the component. 9.9. Disassembly of Power P.C.B. · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet ·...

  • Page 18: Disassembly Of Transformer P.c.b

    SA-AK63 0GC / SA-AK63 0GN · Replacement of the Power Amplifier IC/ Voltage Regulator Step 3 Unsolder the terminals of Power Amp IC, transistor and replace the components. Step 1 Remove 2 screws fixed to the Power Amplifier IC and 1 Step 4 Fix back the cut portion with a screw as shown.

  • Page 19: Disassembly Of Front Panel Unit

    SA-AK63 0GC / SA-AK63 0GN 9.11. Disassembly of Front Panel Unit · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid ·...

  • Page 20: Cd Mechanism Main Component Replacement Procedures

    SA-AK63 0GC / SA-AK63 0GN · Follow the (Step 1) - (Step 3) of Item 9.11 - Disassembly of Front Panel Unit Step 1 Detach FFC wire (CN971). Step 4 Push the lever upward, and then open the cassette lid ass’y (For DECK1 and DECK2).
  • Page 21 SA-AK63 0GC / SA-AK63 0GN Caution: When removing or inserting the traverse deck avoid touching the OPU lens and pressing onto the turntable. Step 8 Remove 3 screws. Step 9 Unsolder the motor terminals (4 points). Step 4 With pressing the claw (A), rotate the hexagonal wrench clockwise.
  • Page 22 SA-AK63 0GC / SA-AK63 0GN Step 11 Remove the pin. · Note for installation of the CD servo P.C.B. Step 12 Release the claw, and then remove the traverse deck ass’y. Note: · Installation for traverse deck ass’y Be careful not to lose the 3 floating spring because those will also be removed on removal of the traverse deck ass’y.
  • Page 23 SA-AK63 0GC / SA-AK63 0GN Step 4 Force the disc tray fully. Step 3 Force the claw of timing lever. Step 5 With pressing the claw (B) in the direction of arrow (1), force the connection lever in the direction of arrow (2). 9.13.2.
  • Page 24 SA-AK63 0GC / SA-AK63 0GN Step 6 Insert the gear with hexagonal wrench into the hole. Step 9 With forcing the left guide bar manually because the left guide bar interfers with claw, draw the disc tray. [Installation of the disc tray after replacement] Step 7 Rotate the hexagonal wrench in the direction of arrow, and then open the disc tray fully.
  • Page 25 SA-AK63 0GC / SA-AK63 0GN NOTE: Force the right guide bar of tray base manually not to move upwards. Step 4 Holding the disc tray manually, push the disc tray in the direction of the arrow. 9.13.3. Disassembly and reassembly for mechanism base drive unit Step 1 Remove 3 screws.
  • Page 26 SA-AK63 0GC / SA-AK63 0GN Step 9 Pressing the claw (B) in the direction of arrow (1), force the connection lever in the direction of arrow (2). Step 6 Install the tray lock spring to hook temporary. Step 7 Release the claw, and then remove the tray lock. Step 8 Release the claw, and then remove the rear lock.
  • Page 27 SA-AK63 0GC / SA-AK63 0GN Step 13 Remove the traverse relay gear, traverse cam gear and drive gear. Step 11 Lift up the left end of spindle base unit in the direction of arrow (1), and then remove the unit in the direction of arrow (2).
  • Page 28 SA-AK63 0GC / SA-AK63 0GN Step 3 Rotate the disc lever in the direction of arrow (1), draw the disc lever. NOTE: Hold the loading stopper ass’y manually bacause it is flipped by spring. NOTE: Take care not to lose the disc lever spring. Step 6 Remove the cushion spring.
  • Page 29 SA-AK63 0GC / SA-AK63 0GN Step 8 Release the 2 claws, and then remove the relay gear A. Step 9 Release the 2 claws, and then remove the spindle shaft. Step 12 Squeeze the shaft of lower hook, and then draw it. Step 13 Rotate the lower spindle in the direction of arrow until Step 10 Remove the lower spindle spring with tweezers.
  • Page 30 SA-AK63 0GC / SA-AK63 0GN spread the hold bars of loading stopper and remove the Step 1 Install the traverse cam gear. UP/DOWN base. Step 2 Rotate the traverse cam gear to the direction of arrow. [Installation for loading stopper ass’y] Step 1 Align the claw of loading stoppers ass’y with the slot of spindle base.
  • Page 31 SA-AK63 0GC / SA-AK63 0GN Step 4 Install the slide plate 2 to the mechanism base, and then match to the connection lever. Step 7 Move the slide plate 1 to forward fully. Step 5 Install the slide plate 1 to the mechanism base, and then match to the connection leve and align the trapezoid tooth Step 8 Install the rear lock.
  • Page 32 SA-AK63 0GC / SA-AK63 0GN Step 13 Install the gear holder, and then tighten the screw (a). Step 11 Remove the tray lock spring from hook,and then latch to the tray lock. Step 12 Install the UP/DOWN gear, change gear, change gear spring, pulley gear and belt in the order of (1) - (5).
  • Page 33 SA-AK63 0GC / SA-AK63 0GN 9.13.4. Replacement for the motor ass’y P.C.B. Step 7 Release the claw (B), and then remove the motor ass’y. [Notice for motor ass’y installation] 1. Locate the name plate of motor to the traverse ass’y. 2.

  • Page 34: Replacement For The Pinch Roller Ass 馳 And Head Block

    SA-AK63 0GC / SA-AK63 0GN 9.14. Replacement for the pinch roller ass’y and head block · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid ·...

  • Page 35: Replacement For The Deck Motor Ass 馳, Capstan Belt A, Capstan Belt B And Winding Belt

    SA-AK63 0GC / SA-AK63 0GN 9.15. Replacement for the Deck motor ass’y, capstan belt A, capstan belt B and winding belt · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet · Follow the (Step 1) - (Step 6) of Item 9.4 - Disassembly of CD Lid ·...
  • Page 36 SA-AK63 0GC / SA-AK63 0GN Step 7 Put the capstan belt A temporarily as shown below. Step 2 Put the winding belt on the pulley temporarily. Step 3 Install the flywheel F. Step 4 Put the winding belt on the flywheel F. Step 5 Install the winding lever and spring while pressing the winding arm in the direction of arrow.
  • Page 37 SA-AK63 0GC / SA-AK63 0GN Step 10 Remove 3 screws. Step 11 Put the capstan belt B as shown below. Step 12 Put the capstan belt A on the motor ass’y pulley.

  • Page 38: Replacement For The Cassette Lid Ass 馳

    SA-AK63 0GC / SA-AK63 0GN 9.16. Replacement for the cassette lid ass’y · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet Step 1 Lift up the lever upward, open the cassette lid ass’y. (For DECK1 and DECK2) Step 2 Push up the cassette lid ass’y in the direction of arrow.

  • Page 39: Rectification For Tape Jam Problem

    SA-AK63 0GC / SA-AK63 0GN 9.17. Rectification for tape jam problem · Follow the (Step 1) - (Step 2) of Item 9.3 - Disassembly of Top Cabinet Step 1 If a cassette tape cannot be removed from the deck (the tape is caught by the capstan or pinch roller during playback or recording), rotate the flywheel F in the direction of the arrow to remove it.

  • Page 40: Checking For Major P.c.bs

    SA-AK63 0GC / SA-AK63 0GN 10 Checking for major P.C.Bs Note: Checking of all major P.C.Bs (Main P.C.B., Panel P.C.B., Transformer P.C.B., Deck P.C.B., Deck Mechanism P.C.B., Sub- Power P.C.B. and Power P.C.B.) can be carried out using below procedures. For the disassemblin g procedures, refer to Section 9.

  • Page 41: Checking Of Transformer P.c.b

    SA-AK63 0GC / SA-AK63 0GN 10.2. Checking of Transformer P.C.B. 1. Remove Top Cabinet and Rear Panel. 2. Remove CD Lid. 3. Disassemble CD Mechanism Unit. 4. Connect FFC wires (CN2801 & CN2805) from CD Mechanism Unit.

  • Page 42: Checking Of Panel, Deck & Deck Mechanism P.c.b

    SA-AK63 0GC / SA-AK63 0GN 10.3. Checking of Panel, Deck & Deck Mechanism P.C.B. 1. Remove Top Cabinet. 2. Remove CD Lid. 3. Disassemble CD Mechanism Unit. 4. Remove volume knob at Front Panel Unit. 5. Disassemble Panel P.C.B. 6. Disassemble Deck Mechanism Unit. 7.

  • Page 43: Checking Of Power P.c.b

    SA-AK63 0GC / SA-AK63 0GN 10.4. Checking of Power P.C.B. 1. Remove Top Cabinet and Rear Panel. 2. Remove CD Lid. 3. Disassemble CD Mechanism Unit. 4. Remove 3 screws at Transformer P.C.B.. 5. Remove 2 screws at heat sink and 1 screw at Power P.C.B. 6.

  • Page 44: Self-Diagnostic Function

    SA-AK63 0GC / SA-AK63 0GN 11 Self-Diagnostic Function 11.1. Self-diagnostic display This unit is equipped with a self-diagnost ic display function which, will display an error code corresponding to the problem occuring. Use this function when performing checking maintenance on the unit. 11.2.

  • Page 45: To Clear All Error Code

    SA-AK63 0GC / SA-AK63 0GN 3. Press to close the tray. 4. Press “CD DIRECT PLAY (5)” and wait until the tray is open. 5. Press and remove the CD. 6. Press to close the tray. 7. Press “n/STOP” to indicate Error Code. ·...
  • Page 46 SA-AK63 0GC / SA-AK63 0GN 11.8.3. Power supply related error detection Abnormal Items Error Display Method of Detection POWER AMP output abnormal During normal operation, if DCDET becomes ‘L’, normal POWER OFF process shall not be executed, PCNT shall be switched to ‘L’ immediately.

  • Page 47: Cd Test Mode Function

    SA-AK63 0GC / SA-AK63 0GN 12 CD Test Mode Function This CD test mode is provided to check CD unit without connecting to changer loading mechanism. This mode shall operate CD PLAY with CD unit being connected only and CD Automatic Alignment result is shown on FL display. 12.1.

  • Page 48: Micon Rom Checksum And Version Display Mode

    SA-AK63 0GC / SA-AK63 0GN · It shall move up one counter when the above operations ends. The counter will reset to 00000 when 99999 is reached. · To exit CD aging test mode, press button, the tray will return to its PLAY position and power will be off. 12.4.

  • Page 49: Measurements And Adjustments

    SA-AK63 0GC / SA-AK63 0GN 13 Measurements and Adjustments 13.1. Cassette Deck Section standard value. Bias voltage for Deck 2 14±4mV (Normal) · Measurement Condition Erase voltage for Deck 2 80mV (Normal) − − − − Make sure head, capstan and press roller are clean. −...
  • Page 50 SA-AK63 0GC / SA-AK63 0GN 9. Set AM-SG to 520kHz. 10. Receive 520kHz in the unit. 11. Adjust L2602 (OSC) so that the EVM-DC value is with 1.1±0.5V. Fig.6 13.2.2. AM RF Adjustment 1. Connect the instrument as shown in Fig. 7. 2.
  • Page 51 SA-AK63 0GC / SA-AK63 0GN 14 Block Diagram OPTICAL PICKUP SEMICONDUCTOR LASER Q7601 LASER POWER DRIVE PHOTO DETECTOR IC7003 AN8739SBTE2 FOCUS COIL/TRACKING COIL/ TRAVERSE MOTOR/ SPINDLE MOTOR DRIVE /RST RESET SIGNAL GENERATOR FOCUS FOCUS COIL COIL DRIVE TRACKING COIL TRACKING COIL DRIVE TRAVERSE M7301...
  • Page 52 SA-AK63 0GC / SA-AK63 0GN TO MAIN BLOCK X7201 NTEST IOMODE CD_RST NRST TXTCK MICRO COMPUTER TIMING GENERATOR DSL/PLL/VCO INTERFACE TXTD DQSY RFVDD (SBCK) EFM DEMODULATION SUBCODE (SUBC) VREF SPINDLE SYNC INTERPOLATION INTERFACE SERVO CIRC ECC (TXNCLDCK) CDROM ECC A, B, C, D, E, F 30~35 A,B,C,D,E,F FLAG...
  • Page 53 SA-AK63 0GC / SA-AK63 0GN AM ANT FM ANT Z2620 CF2601 CF2602 Q1 (RF AMP) Q2601 MIXER IF AMP D2602 L2602 L2601 BUFFER (FM) DECODER RM AMP BUFFER PHASE PILOT CANCEL STEREO LEVEL S-CURVE SWITCH AM/FM COMP BUFFER TUNING DRIVE PILOT IC2601 X2602...
  • Page 54 SA-AK63 0GC / SA-AK63 0GN FL6601 FROM POWER FL DISPLAY TRANSFORMER 50~84 7~14, 30~37 16~23, 1~4, 25~51 53~64 IC6601 C0HBB0000039 FL DRIVER C0GAM0000005 MOTOR DRIVE OUT1 OUT2 POWER SUPPLY CONTROL PLLDA Q2907 STAT SWITCH PUSH Q2936 CD MOTOR PUSH SUPPLY ST/DO SWITCH OPEN...
  • Page 55 SA-AK63 0GC / SA-AK63 0GN IC1001 AN7348S-E1 P.B EQ/REC AMP/ ALC/TPS AMP 24(23) (DECK 1) P.B. HEAD 1(2) 20(5) 22(3) 21(4) 17(8) (DECK 2) R/P HEAD 18(7) LOGIC L/H NOR/CrO & HI/LO LOGIC RIPPLE LOGIC REJECTION REC/PB Q2978 SWITCH (DECK 2) ERASE HEAD L1002 BIAS OSC...
  • Page 56 SA-AK63 0GC / SA-AK63 0GN IC2804 7(8) B1(2) C0AABA000009 DUAL OP-AMP Q2181 (Q2281) 22(21) 2(6) OUT1(2) HPF FREQ 1(7) FILTER 3(5) SWITCH Q2142 (Q2242) CONTROL 5(6) IC2806 A1(2) C0ABBB000244 DUAL OP-AMP 2(4) IC2803 SEL1(2) C1BB00000732 AUDIO SOUND 32(31) PROCESSOR REC1(2) 13(14) HP_L(R) JK2801...
  • Page 57 SA-AK63 0GC / SA-AK63 0GN IC2810 C0ABBB000244 DUAL OP-AMP SUBW FILTER Q2553 Q2551 SUBWOOFER SW_LV1 LEVEL SWITCH CONTROL DC_DET Q2554 Q2552 SUBWOOFER SW_LV2 LEVEL SWITCH CONTROL HP_SW SYNC MUTE_H...
  • Page 58 SA-AK63 0GC / SA-AK63 0GN 16(15) 3(6) -IN2 1(2) OUT 2 1(2) HIGH CH (6 W) IC5801 JK5851 (JK5852) RSN315H42C-P POWER HIC 7(9) 13(12) -IN1 1(2) OUT 1 1(2) LOW CH (6 W) 4(2) +VCC 1(2) FILTER 5(1) -VCC 1(2) 4(1) 10(14) D5814...
  • Page 59 SA-AK63 0GC / SA-AK63 0GN 15 Voltage Measurement...
  • Page 60 SA-AK63 0GC / SA-AK63 0GN...
  • Page 61 SA-AK63 0GC / SA-AK63 0GN 16 Schematic Diagram (All schematic diagrams may be modified at any time with the Secondary trouble can be prevented by taking care during development of the new technology) repair. · Cover the parts boxes made of plastics with aluminium foil. Note: : Push switch ·...
  • Page 62 SA-AK63 0GC / SA-AK63 0GN 16.1. (A) CD Servo Circuit SCHEMATIC DIAGRAM - 1 : +B SIGNAL LINE : CD-DA SIGNAL LINE OPTICAL PICKUP CIRCUIT CD SERVO CIRCUIT Q7601 LASER DIODE B1ADCF000001 R7601 C7601 C7670 C7204 C7203 LASER POWER DRIVE 6.3V33 6.3V220 Q7601...
  • Page 63 SA-AK63 0GC / SA-AK63 0GN SCHEMATIC DIAGRAM - 2 : +B SIGNAL LINE : CD SIGNAL LINE : CD-DA SIGNAL LINE CD SERVO CIRCUIT C7626 C7625 C7224 C7223 6.3V220 6.3V100 R7217 C7225 1000P C7226 R7211 1000P R7218 R7221 C7231 C7230 6.3V220 R7212 C7234...
  • Page 64 SA-AK63 0GC / SA-AK63 0GN 16.2. (B) Main (Tuner) Circuit SCHEMATIC DIAGRAM - 3 : +B SIGNAL LINE : FM SIGNAL LINE : AM SIGNAL LINE : FM/AM SIGNAL LINE : FM OSC SIGNAL LINE : AM OSC SIGNAL LINE MAIN (TUNER) CIRCUIT R2604 Q2606...
  • Page 65 SA-AK63 0GC / SA-AK63 0GN 16.3. (B) Main Circuit SCHEMATIC DIAGRAM - 4 : PLAYBACK SIGNAL LINE : AUX SIGNAL LINE : +B SIGNAL LINE : -B SIGNAL LINE : RECORD SIGNAL LINE : MAIN SIGNAL LINE MAIN CIRCUIT Q2980 Q2978 B1GDCFJJ0047 B1GDCFJJ0047...
  • Page 66 SA-AK63 0GC / SA-AK63 0GN SCHEMATIC DIAGRAM - 5 : CD SIGNAL LINE : +B SIGNAL LINE PANEL CIRCUIT : -B SIGNAL LINE (CN6601) ON : MAIN SIGNAL LINE SCHEMATIC DIAGRAM-10 MAIN CIRCUIT CN2806 30 29 28 27 26 25 15 14 13 12 11 10 C2753 C2751...
  • Page 67 SA-AK63 0GC / SA-AK63 0GN SCHEMATIC DIAGRAM - 6 : -B SIGNAL LINE : +B SIGNAL LINE TO FAN UNIT MAIN CIRCUIT CN2810 R2591 R2338 D2332 330K R2320 R2420 B0ADCC000002 R2337 C2334 R2333 C2332 470K 0.22 R2439 R2339 R2331 2.2K 2.2K R2592 C2331...
  • Page 68 SA-AK63 0GC / SA-AK63 0GN SCHEMATIC DIAGRAM - 7 : +B SIGNAL LINE MAIN CIRCUIT VREF+ GC ONLY GN ONLY 64 63 R2831 R2832 100K 100K MCLK MCLK RESTSW /RESTSW CHG_HLF CHG_HLF DCDET CHG_CW R2834 CHG_CW DCDET CHG_CCW PCONT CHG_CCW PCONT/EFP_/CE CHG_SW1 CHG_SW1...
  • Page 69 SA-AK63 0GC / SA-AK63 0GN SCHEMATIC DIAGRAM - 8 : +B SIGNAL LINE : AUX SIGNAL LINE : MAIN SIGNAL LINE : -B SIGNAL LINE : CD SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE : FM/AM SIGNAL LINE MAIN CIRCUIT D2951 B0BC7R500001...
  • Page 70 SA-AK63 0GC / SA-AK63 0GN 16.4. (C) Panel Circuit SCHEMATIC DIAGRAM - 9 : +B SIGNAL LINE : MAIN SIGNAL LINE : -B SIGNAL LINE PANEL CIRCUIT SYS6V S6210 S6310 R6458 ENTER DECK1 4.7K R6310 D6458 S6209 B3AAA00000583 S6309 POWER KEY3 TITLE SEARCH...
  • Page 71 SA-AK63 0GC / SA-AK63 0GN SCHEMATIC DIAGRAM - 10 : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE PANEL CIRCUIT C6632 35V22 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 FL6601 A2BD00000110 1 2 3 4...
  • Page 72 SA-AK63 0GC / SA-AK63 0GN 16.5. (D) Transformer Circuit SCHEMATIC DIAGRAM - 11 : +B SIGNAL LINE : -B SIGNAL LINE TRANSFORMER CIRCUIT D5950-D5953, D5970-D5973 B0EAMM000038 VCC+ D5952 D5950 VCC- D5972 C5960 D5970 POWER D5973 D5971 CIRCUIT AC GND D5953 (H5950/ D5951 T5950...
  • Page 73 SA-AK63 0GC / SA-AK63 0GN 16.6. (E) CD Detect Circuit, (F) Spindle Position Circuit, (G) CD Loading Circuit & (L) Sub-Power Circuit SCHEMATIC DIAGRAM - 12 : +B SIGNAL LINE : -B SIGNAL LINE C0GAM0000005 MOTOR DRIVE 0.01 50V5.6P 100K CD DETECT B0BA4R600003 CIRCUIT...
  • Page 74 SA-AK63 0GC / SA-AK63 0GN 16.7. (H) Power Circuit SCHEMATIC DIAGRAM - 13 : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE POWER CIRCUIT IC5801 IC5801 RSN315H42C-P POWER HIC A_GND -VCCM SUB-POWER RIGHT CIRCUIT CHANNEL AC_DET R5857 SPEAKER (H5004/W004) HIGH...
  • Page 75 SA-AK63 0GC / SA-AK63 0GN 16.8. (I) Deck Circuit & (J) Deck Mechanism Circuit SCHEMATIC DIAGRAM -14 : +B SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE DECK CIRCUIT C1038 R1055 C1057 220P C1034 2.2K 1000P 50V3.3 C1044 10V33 R1101 R1100...
  • Page 76 SA-AK63 0GC / SA-AK63 0GN SCHEMATIC DIAGRAM - 15 : PLAYBACK SIGNAL LINE : +B SIGNAL LINE : RECORD SIGNAL LINE MAIN CIRCUIT (CN2803) ON SCHEMATIC DIAGRAM-4 DECK CIRCUIT CN1001 14 13 12 11 10 R1098 R1057 R1060 2.2K R1097 R1091 R1092 W1002...
  • Page 77 SA-AK63 0GC / SA-AK63 0GN 17 Printed Circuit Board Note: Circuit board diagrams may be modified at any time with the development of new technology. 17.1. (A) CD Servo P.C.B. CD SERVO P.C.B (REPX0443A) C7670 R7217 C7223 C7601 C7106 C7105 W7011 R7212 TP29...
  • Page 78 SA-AK63 0GC / SA-AK63 0GN 17.2. (B) Main P.C.B. MAIN P.C.B (REPX0442J...GC) (REPX0442K...GN) CN2810 W2257 TO FAN R2940 W2258 CN2805 Q2706 W2259 R2709 D2705 Q2704 W2260 R2715 Q2705 W2261 Q2936 W2248 D2704 W2265 W2249 D2936 D2703 W2262 R2702 R2858 R2860 Q2701 W2250 Q2937...
  • Page 79 SA-AK63 0GC / SA-AK63 0GN W2257 Q2901 R2902 W2258 C2902 W2259 R2910 Q2902 W2515 W2260 W2261 D2901 W2265 CN2801 W2262 W2263 W2266 R2903 W2268 R2917 2814 D2904 W2267 R2918 W2208 W2269 W2905 Q2906 W2275 W2504 W2508 W2276 W2270 W2904 Q2907 W2277 R2929 C2999...
  • Page 80 SA-AK63 0GC / SA-AK63 0GN 17.3. (C) Panel P.C.B. PANEL P.C.B (REPX0474C) SENSOR FL6601 49 50 C6631 W6996 C6623 C6481 Z6481 S6101 W6107 OPEN/CLOSE IC6601 J6481 W6005 C6635 W6006 R6102 S6102 S6110 S6309 R6111 S6107 TITLE LEFT SEARCH W6045 W6044 W6046 S6103 S6109...
  • Page 81 SA-AK63 0GC / SA-AK63 0GN CN6601 R6458 11 13 15 17 19 21 23 25 27 29 W6102 8 10 12 14 16 18 20 22 24 26 28 30 J6902 D6458 W6089 W6075 S6301 W6083 W6076 W6063 POWER W6085 W6082 W6065 W6033...
  • Page 82 SA-AK63 0GC / SA-AK63 0GN 17.4. (D) Transformer P.C.B. TRANSFORMER P.C.B (REPX0468F) CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B 250V 2A T5951 D5986 SUB-TRANSFORMER R5957 Q5952 C5963 C5971 W5938 Q5953 RL5950 R5951 W5920 W5989 C5952 W5995...
  • Page 83 SA-AK63 0GC / SA-AK63 0GN 17.5. (E) CD Detect P.C.B., (F) Spindle Position P.C.B., (G) CD Loading P.C.B. & (K) Tuner Pack P.C.B. CD DETECT P.C.B SPINDLE POSITION P.C.B (REP2578A-N) (REP2578A-N) LOAD CD LOADING P.C.B (REP2578A-N) OPEN PUSH PUSH TUNER PACK P.C.B (REP1999B)
  • Page 84 SA-AK63 0GC / SA-AK63 0GN 17.6. (H) Power P.C.B. & (L) Sub-Power P.C.B. POWER P.C.B (REPX0447A...GN) (REPX0447D...GC) H5950/W5950 Q5801 Q5802 Q5803 Q5804 W5872 IC5801 R5814 C5809 W5811 D5801 R5828 R5823 R5822 W5841 C5442 C5801 R5250 C5804 R5802 R5835...GC R5813 C5811 W5810 C5241 C5243...
  • Page 85 SA-AK63 0GC / SA-AK63 0GN IC5801 5841 C5442 C5801 R5250 W5845 C5241 C5243 C5242 C5441 W5856 JK5851 W5842 W5874 R5249 R5862 R5449 W5855 W5844 R5247 RIGHT W5847 W5848 2-LG C5240 CHANNEL D5802 W5843 SPEAKER W5839 C5443 W5854 W5838 4-HG J5254 C5249 R5450 W5837...
  • Page 86 SA-AK63 0GC / SA-AK63 0GN 17.7. (I) Deck P.C.B. & (J) Deck Mechanism P.C.B. DECK MECHANISM P.C.B DECK P.C.B (REPX0331D) (REPX0321A) R1024 IC1004 C1006 C1009 R1027 CS1002 TP10 TO R/P HEAD Q1003 J1002 L1002 TP11 R1004 R1001 Q1007 W1002 C1002 C1026 J1003 MOTOR...
  • Page 87 SA-AK63 0GC / SA-AK63 0GN 18 Wiring Connection Diagram FM LOOP AM LOOP H5950/ W5950 JK2601 JK2801 CN5801 TUNER PACK To Fan CD LOADING P.C.B P.C.B CN2809 CN2810 SOLDER SIDE MAIN P.C.B SOLDER SIDE CN2805 CD DETECT P.C.B SOLDER SIDE POWER P.C.B 13 14 SOLDER SIDE...
  • Page 88 SA-AK63 0GC / SA-AK63 0GN 19 Illustration of IC’s, Transistors and Diodes RSN315H42C-P (18P) C2CBJG000561 (100P) C0AABA000009 C1AA00000612 C0HBBB0000039 (64P) AN7348S-E1 (24P) MN6627953HB (80P) LA1833NMNTLM (24P) LC72131MDTRM (20P) C1BB00000732 (32P) AN8739SBTE2 CNB13030R2AU RSN35H2B-P (14P) C0GAM0000005 C0ABBB000244 B1BACG000023 B1BCCG000002 B1GACFLL0008 B1ACCF000094 2SB0709AHL B1GACFJJ0018 2SD0601AHL...
  • Page 89 SA-AK63 0GC / SA-AK63 0GN 20 Terminal Function of IC’s 20.1. IC7002 (MN6627953HB) Servo Pin No. Mark Function AVDD2 Analog circuit power supply 2 processor/ Digital signal OUTL LCH output signal processor/ Digital filter/ D/A AVSS1 Audio output circuit GND 1 N.C.
  • Page 90 SA-AK63 0GC / SA-AK63 0GN Pin No. Mark Function Pin No. Mark Function Motor driver (2) forward- action MUTE_H HIC Mute output MUTE_A Audio Mute Motor driver (3) reverse- action EE_CS/EFP_/EP EEPROM Chip Select output Crystal oscillating circuit input (f = EE_CLK EEPROM Clock 16.9344MHz)
  • Page 91 SA-AK63 0GC / SA-AK63 0GN Pin No. Mark Function VREF Reference for A-D (5V) AVcc Analog Power Supply Input Demo Selector (H= default demo on, L= default demo off.)
  • Page 92 SA-AK63 0GC / SA-AK63 0GN 21 Troubleshooting Guide...
  • Page 93 SA-AK63 0GC / SA-AK63 0GN 22 Parts Location and Replacement Parts List Notes: · Important safety notice: Components identified by mark have special characteristic s important for safety. Furthermore, special parts which have purposes of fire-retardent (resistors), high-quality sound (capacitors), low noise (resistors), etc are used.
  • Page 94 SA-AK63 0GC / SA-AK63 0GN 22.1. Deck Mechanism (RAA4502-S) 22.1.1. Deck Mechanism Parts Location...
  • Page 95 SA-AK63 0GC / SA-AK63 0GN...
  • Page 96 SA-AK63 0GC / SA-AK63 0GN 22.1.2. Deck Mechanism Parts List Ref. No. Part No. Part Name & Description Remarks CASSETTE DECK RED0069 R/P HEAD BLOCK UNIT RED0070 P/B HEAD BLOCK UNIT RDG0300 REEL BASE GEAR RDG0301 WINDING RELAY GEAR RDK0026 MAIN GEAR RDV0033-4 WINDING BELT...
  • Page 97 SA-AK63 0GC / SA-AK63 0GN 22.2. CD Loading Mechanism (RD-DAC026-S) 22.2.1. CD Loading Mechanism Parts Location...
  • Page 98 SA-AK63 0GC / SA-AK63 0GN...
  • Page 99 SA-AK63 0GC / SA-AK63 0GN 22.2.2. CD Loading Mechanism Parts List Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks TRAVERSE DECK XTN2+6G SCREW RMX0141 PUSH SPACER RML0517 TIMING LEVER RMQ0749 UPPER SPINDLE RML0516 PLUNGER LEVER...
  • Page 100 SA-AK63 0GC / SA-AK63 0GN 22.3. Cabinet 22.3.1. Cabinet Parts Location...
  • Page 101 SA-AK63 0GC / SA-AK63 0GN...
  • Page 102 SA-AK63 0GC / SA-AK63 0GN 22.3.2. Cabinet Parts List Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks CABINET AND CHASSIS RKFX0125- 1S CASS LID L RKFX0126- 1S CASS LID R L6FALEFH0030 RKMX0105- S TOP CABINET...
  • Page 103 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks Q5808 B1BACD000018 TRANSISTOR [M]GN D5970 B0EAMM000038 DIODE Q5812 B1ABCE000016 TRANSISTOR D5971 B0EAMM000038 DIODE Q5813 B1ABCE000016 TRANSISTOR D5972 B0EAMM000038 DIODE Q5814...
  • Page 104 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks CN5950 K1KA09A00227 9P CONNECTOR JACKS CN5951 K1KA09A00047 9P CONNECTOR CN6601 K1MN30A00046 30P FFC CONNECTOR JK2601 RJH5414-1 JK ANTENNA CN7001 RJS2A8616 16P FPC CONNECTOR...
  • Page 105 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks W7024 ERJ3GEY0R00V CHIP JUMPER R1087 ERJ3GEYJ473V 47K 1/16W W7025 ERJ3GEY0R00V CHIP JUMPER R1090 ERJ3GEYJ221V 220 1/16W W7027 ERJ3GEY0R00V CHIP JUMPER R1091...
  • Page 106 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2292 ERJ3GEY0R00V 0 1/16W R2587 ERJ3GEYJ122V 1.2K 1/16W R2293 ERJ3GEYJ104V 100K 1/16W R2591 ERJ3GEYJ334V 330K 1/16W R2296 ERJ3GEYJ123V 12K 1/16W R2592...
  • Page 107 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2821 ERJ3GEYJ104V 100K 1/16W R2954 ERDS1FVJ270T 27 1/2W R2822 ERJ3GEYJ104V 100K 1/16W R2976 ERJ3GEY0R00V 0 1/16W R2823 ERJ3GEYJ104V 100K 1/16W R2977...
  • Page 108 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R5848 ERDS1FVJ6R8T 6.8 1/2W R6632 ERD2FCVG470T 47 1/4W R5853 ERJ3GEYJ224V 220K 1/16W R6641 ERDS1FVJ120T 12 1/2W R5854 ERJ3GEYJ103V 10K 1/16W R6642...
  • Page 109 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C1035 ECEA1HKA3R3B 3.3 50V C2284 ECJ1VB1H152K 1500P 50V C1036 ECJ1VB1C333K 0.033 16V C2291 ERJ3GEY0R00V 0 1/16W C1037 ECEA1HKA3R3B 3.3 50V C2292...
  • Page 110 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C2633 ECJ1VC1H120J 12P 50V C5445 ECJ1VB1H104K 0.1 50V C2634 ECJ1VC1H120J 12P 50V C5449 ECJ1VB1H104K 0.1 50V C2636 ECJ1VB1H102K 1000P 50V C5450...
  • Page 111 SA-AK63 0GC / SA-AK63 0GN Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C7223 ECEA0JKA101I 100 6.3V C7263 ECJ1VB1C104K 0.1 16V C7224 ECJ1VB1C104K 0.1 16V C7264 ECJ1VB1C104K 0.1 16V C7225 ECJ1VB1H102K 1000P 50V C7315...
  • Page 112 SA-AK63 0GC / SA-AK63 0GN 22.6. Packaging PRT0502 S/J/N/A/E...

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