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Panasonic SL-CT700GD Service Manual
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Panasonic SL-CT700GD Service Manual

Panasonic SL-CT700GD Service Manual

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AD0212161C3
Portable CD Player
SL-CT700GD / SL-CT700GK
Colours
(A)...................Blue Type
(R)...................Red Type
(S)...................Silver Type
(W)..................White Type
SPECIFICATIONS
1

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Summary of Contents for Panasonic SL-CT700GD

  • Page 1 AD0212161C3 Portable CD Player SL-CT700GD / SL-CT700GK Colours (A)....Blue Type (R)....Red Type (S)....Silver Type (W)....White Type SPECIFICATIONS...
  • Page 2 1. Accessories - AC adaptor for SL-CT700GD (N0JCCE000005)..........1 pc. - AC adaptor for SL-CT700GK (N0JCCE000001)..........1 pc. - Stereo earphones (L0BAB0000170)...........1 pc. - Wired remote control (N2QCBD000028).........1 pc. - External battery case (RFA1821-H)..........1 pc. - Rechargeable batteries (with case) (RP-BP61GY-S)..........2 pcs.

  • Page 3: Handling Precautions For Traverse Deck

    (RFC0071-H)..........1 pc. 2. Location of Controls and Connection to Other Equipment 3. 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 W/VDE Laser radiation from the pick-up lens is safety level, but be sure the...
  • Page 4 Fig. 4-1. 4.2. Caution when replacing traverse deck The traverse deck short-circuits the foil (B) to protect the laser diode against electrostatic breakdown. Be sure to cut the foil (B) before making connection. Take care not to make contact with cutting point each other. (Refer to Fig.

  • Page 5: Operation Checks And Component Replacement / Procedures

    Caution: The static electricity of your clothes will not be grounded through the wrist strap. So take care not to let your clothes touch the traverse deck (optical pick-up). 5. Operation Checks and Component Replacement / Procedures - This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.
  • Page 6 - Check the main P.C.B. (A side) as shown below. 5.1.2. Checking for the main P.C.B. (B side) - Follow the (Step 1) - (Step 5) of item 5.1.1.
  • Page 7 - Check the main P.C.B. (B side) as shown below.
  • Page 8 5.2. Replacement for the CD lid unit, shaft and axle hole board...
  • Page 9 5.3. Replacement for the traverse motor and optical pick-up - Follow the (Step 1) - (Step 4) of item 5.1.1.

  • Page 11: Display Of Self-Diagnostic Function

    5.4. Replacement for the rest switch - Follow the (Step 1) - (Step 4) of item 5.1.1. - Follow the (Step 1) , (Step 2) of item 5.3. 6. Display of Self-Diagnostic Function This unit (SL-CT700) has self-diagnostic function. It may display below-mentioned on the remote control display.
  • Page 12 (optical pick-up) before replacing it. Replace the traverse deck only after the problem is identified. 7.1. Check the operations described below on the traverse deck after replacing 7.1.1. Checking skip search 1. Play an ordinary musical program disc. 2. Press the skip button to check for normal skip search operation (in both the forward and reverse directions).

  • Page 13: Automatic Adjustment Results Display Function / (Self-Check Function)

    7.1.3. Checking playability 1. Play the 0.7 mm black dot and the 0.7 mm wedge on the playability test disc (SZZP1054C) and verify that no sound skip or noise occurs. 2. Play the middle tracks of the uneven test disc (SZZP1056C) and verify that no sound skip or noise occurs.
  • Page 14 <Example> Follow the below steps when E-1 is displayed. (Cause: Focus balance (FBC) is set beyond the limit.) - Check if 1. the waveform or voltage of the focus servo circuit is correct, and 2. the optical pick-up returns to the normal state by exchanging the traverse deck.
  • Page 15 If any other disc than the test disc (SZZP1054C) is used, an error message may be displayed. This is not a malfunction. 9. Type Illustration of ICs, Transistors and Diodes 10. Schematic Diagram Notes - This schematic diagram may be modified at any time with the development of new technology.

  • Page 16: Schematic Diagram

    Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used. When replacing any of components, be sure to use only manufacturer’s specified parts shown in the parts list. - The supply part number is described alone in the replacement parts list.
  • Page 17 12. Printed Circuit Board and Wiring Connection Diagram 13. Block Diagram 14. Terminal Function of ICs 14.1. IC101(AN8885SBE1V): / Servo Amplifier Function Terminal Name Tracking signal input (1) terminal Tracking signal input (2) terminal Power supply terminal Focus signal input (1) terminal Focus signal input (2) terminal Not used, open Not used, open...
  • Page 18 Function Terminal Name 24 FEOUT Focus error amplifier output terminal FEIN Focus error amplifier input terminal VREF Reference voltage output terminal TBAL Tracking balance signal input terminal FBAL Focus balance signal input terminal 14.2. IC301(C2BBGE000661): / System Control Function Terminal Name 1 REMKEY Remote control key signal input...
  • Page 19 Function Terminal Name 19 MDATA Serial command data output/ EEPROM data signal input/output STAT Status signal input 21 BLKCK Sub code block clock signal input 22 MUTEA/ Data signal output for LED drive / LDATA 23 LD-OFF LD current drive OFF signal output 24 TYPESEL Not used, connected to GND via...
  • Page 20 Function Terminal Name 49 CHGSEL Not used, open 50 PMSEL2 Not used, open 51 PMSEL Not used, open 52 DUMMY Dummy load signal output 53 X3SEL Not used, open 54 TYPSEL3 Not used, open 55 TYPSEL2 Not used, connected to V 56 A.S.SEL Not used, connected to GND 57 ASHOCK...
  • Page 21 Function Terminal Name Not used, connected to GND via resistor Motor coil midpoint signal input Power supply terminal Charge pump capacitor connection CPC1 Charge pump capacitor connection Charge pump capacitor connection CPC2 Charge pump capacitor connection Not used, connected to GND via capacitor Power supply terminal Pulse output terminal for spindle...
  • Page 22 Power supply terminal Function Terminal Name MUTE Driver OFF signal input 35 OUT3R Traverse motor drive signal output 36 PGND3 37 OUT3F Traverse motor drive signal output 38 OUT2R Tracking coil drive signal output Power supply terminal 40 FGND2 41 OUT2F Tracking coil drive signal output 42 OUT1R Focus coil drive signal output...
  • Page 23 Function Terminal Name Power supply terminal I/O Data 0-1 input/output terminal Write enable output terminal NRAS RAS control signal output terminal I/O Data 2-3 input/output terminal NCAS0 CAS control 0 signal output terminal NCAS1 CAS control 1 signal output terminal Addresses 8-4 output terminal Address 9 output terminal Addresses 0-3 output terminal...
  • Page 24 Function Terminal Name 21 DV Power supply terminal 22 SPOUT Spindle motor drive output terminal TRV+ Traverse motor drive (+) output terminal TRV- Traverse motor drive (-) output terminal Tracking coil drive (+) output terminal Tracking coil drive (-) output terminal Focus coil drive (+) output terminal...
  • Page 25 Function Terminal Name 49 AV OUTR R ch audio signal output terminal 51 AV Power supply terminal 52 DV Not used, connected to GND 53 DV Power supply terminal 54 TMOD2 Not used, connected to GND FLAG Not used, open EXT2 RF OFF signal output EXT0...

  • Page 26: Replacement Parts List

    - Rechargeable Battery (RP-BP61GY-S) to be supplied will be provided with Carrying Case. - The rechargeable batteries for accessories are contained a pair of two batteries, however, for replacement parts, that is supplied one by one. - No replacement parts will be supplied for Rechargeable Battery without Carrying Case.
  • Page 27 When replacing any of components, be sure to use only manufactures specified parts shown in the parts list. - The parenthesized indications in Remarks columns specify the areas and colours. (GDA): SL-CT700GD, Blue Type (GDR): SL-CT700GD, Red Type (GDS): SL-CT700GD, Silver Type (GDW): SL-CT700GD, White Type...
  • Page 28 Ref. No. Part No. Part Name & Description Remarks RYK1264D-R BOTTOM CABINET (GKR/GDR) RYK1264D-W BOTTOM CABINET (GKW/GDW) RHD14101-S SCREW RYF0658-S CD LID UNIT (GKS/GDS) RYF0658-A CD LID UNIT (GKA/GDA) RYF0658-R CD LID UNIT (GKR/GDR) RYF0658-W CD LID UNIT (GKW/GDW) RGD0092-S LID ORNAMENT (GKS/GDS) RGD0092-A...
  • Page 29 Ref. No. Part No. Part Name & Description Remarks ECUV1H101KCV 50V 100P ECJ1VC1H101K ECST0JY226R 6.3V 22U F3H1A476A001 16V 47U F3G0G1070001 4V 100U ECUENA104KBQ 10V 0.1U F1G1A104A014 RCST0GY476RG 4V 47U F3F0G4760001 RCST1CC476RG 16V 47U F3H1C4760008 ECJ0EB1H101K 50V 100P C41,42 F3H1A227A011 10V 220U F1H1C104A056 16V 0.1U ECUV1H101KCV...
  • Page 30 Ref. No. Part No. Part Name & Description Remarks C607,08 ECJ0EB1H681K 50V 680P C610 RCST0GY476RG 4V 47U F3F0G4760001 C611 F1H1C104A056 16V 0.1U C612 RCSX0GY226RE 4V 22U F3F0G226A001 C613,14 F1G1H222A416 50V 2200P C651 ECUENA104KBQ 10V 0.1U F1G1A104A014 C702 ECUVNA224KBV 10V 0.22U F1H1A224A028 C704 F1H1C104A056...
  • Page 31 Ref. No. Part No. Part Name & Description Remarks IC401 C0GBF0000017 IC501 MN6627911AC IC502 C3ABMB000033 IC701 C1BB00000516 ICP11 K5H1522A0018 IC PROTECTOR ICP41 ERY32SB075VA IC PROTECTOR JK11 K2FB3B000003 JK,DC IN JK12 K2FB2B000003 JK,EXT BATT. JK601 B3FAZ0000068 JK,OPTICAL DIGITAL JK701 K2HC106B0008 JK,HEADPHONE G1C101MA0035 COIL RLQU101KT-W...
  • Page 32 Ref. No. Part No. Part Name & Description Remarks Q901 B1GDCFJN0011 TRANSISTOR Q903 B1GDCFNN0007 TRANSISTOR R3,R4 D0YBR0000010 RESISTOR ERJ2GEJ105 1/4W 1M D0GA105JA001 ERJ2GEJ104 1/4W 100K ERJ2GEJ101 1/4W 100 ERJ3GEYJ271V 1/16W 270 ERJ3GEYJ104 1/16W 100K R50,51 ERJ8GEYJ2R2V 1/8W 2.2 ERJ3GEYJ105V 1/16W 1M ERJ3GEYJ104 1/16W 100K R55,56...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks R363 EXBV8V560JV 1/16W 56 R364 EXBV4V560J 1/32W 56 R365 ERJ2GEJ331X 1/4W 330 ERJ2RMJ331X R366 ERJ2GEJ390X 1/4W 39 ERJ2RMJ390X R397 EXBV8V104JV 1/16W 100K R401 ERJ3GEYJ472V 1/16W 4.7K R404 ERJ2GE0R00X 1/4W 0 D0YAR0000003 R405 ERJ3GEYJ473V 1/16W 47K...
  • Page 34 18. Cabinet Parts Location 19. Traverse Unit Parts Location...
  • Page 35 20. Packaging...

  • Page 36: Schematic Diagram For Printing With Letter Size

    21. Schematic Diagram for printing with letter size F0212YM/KH...
  • Page 37 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE R311 JK601 OPT OUT/ OUT C708 R720 R607 C605 4V10 C606 4V10 C715 C551 0.6V 0.6V 0.6V VREF IN AGCIN C704 (-0.3V) IC701 0.8V R551 2.5V C719 R710 TA2131FL C706 100K 2.5V150 HEADPHONE AMP 0.6V (-0.3V)
  • Page 38 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE VREF C111 0.022 C117 IC201 0.022 R205 C1BB00000695 6.8K LASER POWER C116 C112 C121 DRIVE 0.022 220P 120P C205 R204 PLAY PLAY IC101 0.3V 70mV AN8885SBE1V SERVO AMP 2ms. 0.1V/DIV. 2ms. 20mV/DIV. C206 R206 0.01...
  • Page 39 TRAVERSE SPINDLE S202 MOTOR MOTOR (REST DET.SWITCH) CN401 IC302 48 47 46 45 44 43 42 41 40 39 38 37 AK93C45BH-L EE PROM R404 2.5V PGND3 (3V) OUT3R 3.6V 2.5V 2.5V MUTE C401 1.2V 3.6V (0.2V) 3.7V IC401 CPC1 IN1F C402 1.2V...
  • Page 40 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE R314 R301 R308 R312 4.7K 8.2K 2.5V Q303 DTA114YUA106 POWER SUPPLY (REMOTE) S310 2.5V (HOLD) 2.5V R326 2.5V REMKEY SEG10 2.5V DOCTOR SEG11 2.1V 2.5V VMONITOR2 HOLD 2.5V R351 100K VMONITOR1 ASHOCK 2.5V R350 100K...
  • Page 41 IC502 C3ABMB000033 16M DRAM D501 R516 SB00703QTL 100K 2.4V S310 (HOLD) Q502 2SK1958T1 SWITCHING 1.8V B C D E F G H I J K L M N O P R342 R366 21MTX C501 CHING 1.8V (0.8V) 1.8V 1.7V SPOUT 21MTX IC501 TRV+...
  • Page 42 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE C715 0.6V VREF IN IC70 C719 R710 TA21 100K HEAD BEEP IN R709 100K PLAY BST SW MT SW 1kHz,0dB (VOL:15 2.5V PW SW Q903 DTA144EUA106 SWITCHING(BEEP) 2.5V 2.5V 2.5V R751 5.6K 1.8V RX721 IC61...
  • Page 43 R311 JK601 OPT OUT/ OUT C708 R720 R607 C605 4V10 C606 4V10 C715 C551 0.6V 0.6V 0.6V VREF IN AGCIN C704 (-0.3V) IC701 0.8V R551 2.5V TA2131FL C706 2.5V150 0.6V HEADPHONE AMP (-0.3V) BEEP IN OUT L Q601 2.5V XN0F261TX PLAY BST SW PWR GND...
  • Page 44 C3ABMB000033 C0DBAFA00021 MN6627911AC 80PIN AN8885SBE1V 28PIN C0DBAFB00014 C0GBF0000017 48PIN C1BB00000736 16PIN C0CBZAZ00001 C2BBGE000661 80PIN C1BB00000695 16PIN C0CBZBZ00001 C0CBZBZ00002 No.1 No.1 C0EBD0000164 XP1501TX XN0F261TX AK93C45BH-L TA2131FL C0CBAFD00002 2SK1958T1 2SB1218TX DTA114YUA106 B1ABMD000004 XP161A1355PR 2SB1182TLPQR B1CDGD000001 2SD1819ATX DTA143EUA106 B1CHMC000001 DTA144EUA106 B1CFNC000001 DTC114YUA106 UN521MTX MA111TX SB00703QTL SML-310MT...
  • Page 46 MN6627911AC IC501 C1BB00000695 AN8885SBE1V SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR IC201 IC101 LASER POWER DIGITAL FILTER & D/A CONVERTER SERVO AMP PULSE CONTROL DRIVE LOGIC RF IN DEFLVL CSBRT DUTY FEEDBACK RFENV RATE V-I AMP OFTR 3TENV ADJUSTOR +B7 +B2 RFEQ1 OFTR OFTR...
  • Page 47 FPF1 LPF2 VREF VREF Vref. TA2131FL C0CBZAZ00001 IC701 IC91 BST2 Q551 HEADPHONE AMP ICP11 BST1 POWER REGULATOR SUPPLY C0EBD0000164 C0DBAFA00021 2 RECHARGEABLE REGULATOR IC11 IC92 C0EBD0000164 BATTERIES 2.4V IC81 IN L SWITCH- RESET HEADPHONE OUT L RESET Q42,81,302 BEEP OUT L D501 SWITCHING IN R...
  • Page 48 Note: This printed circuit board diagram may be modified at any time with the development of new technology. BATTERY TERMINAL P.C.B.(SIDE:A) MAIN P.C.B.(SIDE:A) MAIN P.C.B.(SIDE:B) OPT OUT JK601 /OUT MAIN P.C.B.(CN13) 2 RECHARGEABLE BATTERIES 2.4V HEADPHONE C608 Q302 RJ11 IC92 CN16 C651 C14 CN11...
  • Page 49 TRAVERSE SPINDLE MAIN CIRCUIT S202 MOTOR MOTOR :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE (REST DET.SWITCH) CN401 VREF C111 0.022 C117 0.022 IC201 R205 IC302 48 47 46 45 44 43 42 41 40 39 38 37 6.8K C1BB00000695 AK93C45BH-L LASER POWER C116 C112 C121...
  • Page 50 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE R314 R301 R308 R312 4.7K 8.2K IC502 C3ABMB000033 16M DRAM D501 R516 SB00703QTL 100K 2.5V Q303 DTA114YUA106 2.4V POWER SUPPLY (REMOTE) S310 2.5V (HOLD) Q502 2SK1958T1 2.5V SWITCHING R326 1.8V 2.5V REMKEY SEG10 2.5V DOCTOR...

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Sl-ct700gk