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Panasonic SA-G90 Service Manual

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ORDER No.MD0004058C1
A2
Receiver
SA-G90
Colours
(K)...........Black Type
Areas
PP...........U.S.A. and Canada
SYSTEM : SC-S2350 for the U.S.A.
SC-S245 for Canada
SPECIFICATIONS
Specification
1

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Summary of Contents for Panasonic SA-G90

  • Page 1 ORDER No.MD0004058C1 Receiver SA-G90 Colours (K)...Black Type Areas PP...U.S.A. and Canada SYSTEM : SC-S2350 for the U.S.A. SC-S245 for Canada SPECIFICATIONS Specification...
  • Page 2 AMPLIFIER SECTION Rated minimum sine wave RMS power output 20Hz - 20kHz both channels driven / 0.05% total harmonic distortion 100W per channel (8 1kHz continuous power output both channels driven 0.05% total harmonic distortion 105W per channel (8 Total harmonic distortion rated power at 20Hz - 20kHz 0.05% (8 half power at 1kHz...
  • Page 3 Total harmonic distortion MONO / STEREO 0.2% / 0.3% MONO / STEREO 73dB / 67dB Frequency response 20Hz - 15kHz, +1dB, -2dB Alternate channel selectivity 65dB Capture ratio 1.5dB Image rejection at 98MHz 40dB Spurious response rejection at 75dB 98MHz AM suppression 50dB Stereo separation...

  • Page 4: Safety Precaution

    SC-S2350 (SC-S245) : / Receiver : SA-G90 / Cassette deck : RS -TR180 / CD changer : SL-MC59 1. Safety Precaution (This “Safety Precaution” is applied only in U.S.A.) 1. Before servicing, unplug the power cord to prevent an electric shock.

  • Page 5: Before Repair And Adjustment

    chassis by design. These will read infinity. 4. If the measurement is outside the specified limits, there is a possibility of a shock hazard. The equipment should be repaired and rechecked before it is returned to the customer. Fig.1 Fig.2 2.

  • Page 6: Location Of Controls

    Note: When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again. 4. Location of Controls 4.1. Main unit 1. Power “ /I” switch (POWER, /I) - Press to switch the unit from on to standby mode or vice versa.
  • Page 7 5. Digital input select button / indicator (DIGITAL INPUT) 6. Input selector (INPUT SELECTOR) 7. Volume control (VOLUME) 8. Speaker select buttons (SPEAKERS A, B) 9. Help/reset button (-HELP, —RESET) 10. Headphones jack (PHONES) 11. Display section 12. Tape monitor button (TAPE MONITOR) 13.
  • Page 8 1. Power button ( ) button ( ) button ( button ( ) 5. Top menu button (TOP MENU) 6. Display button (DISPLAY) 7. Surround mode select button (SURROUND) 8. Stereo mode select button (STEREO) 9. Speaker channel select button (LEVEL) 10.

  • Page 9: Operation Checks And Component Replacement Procedures

    15. Cursor/enter buttons 16. Menu button (MENU) 17. SFC mode select button (SFC) 18. Test button (TEST) 19. Delay time/level adjust buttons (-, +) 20. Direct tuning/disc enter button / (DIRECT TUNING/DISC ENTER) 10/enter button ( 10/ENTER) 22. Numbered buttons 23.
  • Page 10 - Check the FL P.C.B. as shown above. - Check the surround P.C.B. as shown below.
  • Page 11 - Check the IN/OUT terminal P.C.B. as shown below. 6.2. Checking for the DTS P.C.B. - Follow the (Step 1) - (Step 3) of item 6.1.
  • Page 12 - Check the DTS P.C.B. as shown below. 6.3. Checking for the main P.C.B. - Follow the (Step 1) - (Step 3) of item 6.1.
  • Page 13 / / / / / / - Check the main P.C.B. as shown below.
  • Page 14 / / / / / / 6.4. Replacement for the power IC and regulator transistor - Follow the (Step 1) - (Step 3) of item 6.1. / / / / / /...
  • Page 16 International Sales International Sales Office Stanley-Proto Industrial Tools / 14117 Industrial Park Blvd., NE Covington, GA 30014 / Phone : 770-787-3800 ARGENTINA Stanley Latin America, Argentina / Avenida Meipu 1413 (Primar...
  • Page 17 Piso) Buenos Aires, ARGENTINA / Phone : 54-11-4718-1334 AUSTRALIA Stanley Works Pty. Ltd. / 58 Dougharty Road P. O. Box 5027 Heidelberg West D. C. Victoria 3081, AUSTRALIA / Phone : 61-3-9459 -1144 BELGIUM Stanley Works Europe / Belgicastraat 11 BE-1930 Zaventem, BELGIUM / Phone : 32-2-716-2313 BRAZIL Ferramentas Stanley Ltda.
  • Page 18 Puebla 72030 Puebla, Pue, MEXICO / Phone : 52-22-242-424 NEW ZEALAND Stanley Tools (N.Z.) Ltd. / 262 Church Street Onahunga, Auckland, NEW ZEALAND / Phone : 64-9-634-2102 POLAND Stanley Poland / UI. Wloska 2 00-777 Warsaw, POLAND / Phone : 48- 22-841-9758 SINGAPORE Stanley Works Asia Pacific Ptd.
  • Page 19 7. Type Illustration of ICs, Transistors and Diodes 8. Schematic Diagram 8.1. Schematic Diagram Notes - This schematic diagram may be modified at any time with the development of new technology. Notes: - S451 : TAPE, EQ switch (TAPE EQ) - S950 : Power switch (POWER) - S951 : Speaker select switch (SPEAKERS A) - S953 : Subwoofer switch (SUBWOOFER)

  • Page 20: Printed Circuit Board Diagram

    - Important safety notice : / 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 manufacturers specified parts shown in the parts list.
  • Page 21 10. Block Diagram 11. Wiring Connection Diagram 12. Terminal Functions of ICs 12.1. IC901 (M38B57M6141F) System Microprocessor Pin / Mark I/O / Function Division 1-2 KEY2-KEY1 Key input 1-2 THERM/ Thermal/Over load input OVLD KEY4 Key input 4 Over load input 2 OVERLOAD2 FMST Stereo signal detect...
  • Page 22 Pin / Mark I/O / Function Division 21 SEL1 Selector encoder for input 1 22 HOLD Blackout detection terminal 23 SEL2 Selector encoder for input 2 24 D.PASS DSP signal selector 25 RLY Relay control output 26 LOUDNESS Loudness control output / (Not used, open) Not used.

  • Page 23: Replacement Parts List

    Pin / Mark I/O / Function Division 71 COM DO Common digital output signal 72 COM DI Common digital input signal 73 AVSS GND for A-D converter 74 VREF Reference voltage for A- D / converter 75 SD SD signal detect input 76 COM REQS Common serial request output...
  • Page 24 Ref. No. Part No. Part Name & Description Pcs. Remarks CABINET AND CHASSIS RKM0375-K TOP CABINET 1 [M] RGR0284H-A REAR PANEL 1 [M] RGW0278-K VOLUME KNOB 1 [M] SKL293 LEG CUSHION 4 [M] RKQ0089-J PCB HOLDER 13 [M] RMK0350-3 BOTTOM CHASSIS 1 [M] RMN0372A FL HOLDER...

  • Page 25: Integrated Circuits

    Ref. No. Part No. Part Name & Description Pcs. Remarks XYN3+F8 SCREW 1 [M] INTEGRATED CIRCUITS IC351 NJM2279D IC VIDEO SELECTOR 1 [M] IC401 TC9163AN IC SELECTOR 1 [M] IC402 NJM4580DD IC OP AMP 1 [M] IC404 TC9162AN IC SELECTOR 1 [M] IC405 M62490FPE1...
  • Page 26 Ref. No. Part No. Part Name & Description Pcs. Remarks Q605 RVTDTA114EST TRANSISTOR 1 [M] Q651 RVTDTA143XST TRANSISTOR 1 [M] Q652 RVTDTA143XST TRANSISTOR 1 [M] Q701 2SD2374PQAU TRANSISTOR Q703 2SC1740SSTA TRANSISTOR Q704 2SC1740SSTA TRANSISTOR Q706 2SC3940AQSTA TRANSISTOR Q707 2SA1534AQRTA TRANSISTOR Q708 2SB1548PQAU TRANSISTOR...
  • Page 27 Ref. No. Part No. Part Name & Description Pcs. Remarks D614 RVD1SS133TA DIODE 1 [M] D617 RVD1SS133TA DIODE 1 [M] D618 MTZJ18CTA DIODE 1 [M] D651 RK306LFU1 DIODE 1 [M] D652 RK306LFU1 DIODE 1 [M] D655 RVD1SS133TA DIODE 1 [M] D701 1N5402BM21 DIODE...
  • Page 28 Ref. No. Part No. Part Name & Description Pcs. Remarks D924 MTZJ3R9ATA DIODE 1 [M] D931 SLR325VCT31 DIODE 1 [M] D932 SLR325VCT31 DIODE 1 [M] D933 SLR325VCT31 DIODE 1 [M] D934 SLR325VCT31 DIODE 1 [M] D935 SLR325VCT31 DIODE 1 [M] D936 SLR325VCT31 DIODE...
  • Page 29 Ref. No. Part No. Part Name & Description Pcs. Remarks CN451 RJS1A6603T1 3P TAPING CONNECTOR 1 [M] CN501 RJU100W04 4P CONNECTOR 1 [M] CN702 RJS1A6603T1 3P TAPING CONNECTOR 1 [M] CN751 SJS305-1 3P CONNECTOR 1 [M] CN752 RJS1A6603T1 3P TAPING CONNECTOR 1 [M] CN901 RJU003K010M1...
  • Page 30 L1901 RLQB101KTA-Y CHOKE COIL 1 [M]...
  • Page 31 Ref. No. Part No. Part Name & Description Pcs. Remarks T701 RTP1Q5C016-V POWER TRANSFORMER T751 RTP1H5C005 STANDBY TRANSFORMER COMPONENT COMBINATIO Z751 ERZV10V511CS ZENER Z891 RCDRPM6937H4 REMOTE SENSOR 1 [M] Z1301 BL02RN2R62T4 EMI BEAD CORE 1 [M] Z1302 BL02RN2R62T4 EMI BEAD CORE 1 [M] Z1303 BL02RN2R62T4...
  • Page 32 Ref. No. Part No. Part Name & Description Pcs. Remarks FC706 EYF52BC FUSE HOLDER 1 [M] FC707 EYF52BC FUSE HOLDER 1 [M] FC708 EYF52BC FUSE HOLDER 1 [M] FC709 EYF52BC FUSE HOLDER 1 [M] FC710 EYF52BC FUSE HOLDER 1 [M] JACKS HP601 RJJ63TA01...
  • Page 33 Ref. No. Part No. Part Name & Description Pcs. Remarks R303 ERDS2TJ750T 75 1/4W 1 [M] R359 ERDS2TJ750T 75 1/4W 1 [M] R362 ERDS2TJ750T 75 1/4W 1 [M] R367 ERDS2TJ102T 1K 1/4W 1 [M] R368 ERDS2TJ102T 1K 1/4W 1 [M] R369 ERDS2TJ182T 1.8K 1/4W...
  • Page 34 R451 ERDS2TJ224T 220K 1/4W 1 [M]...
  • Page 35 Ref. No. Part No. Part Name & Description Pcs. Remarks R452 ERDS2TJ224T 220K 1/4W 1 [M] R453 ERDS2TJ821T 820 1/4W 1 [M] R454 ERDS2TJ821T 820 1/4W 1 [M] R455 ERDS2TJ563T 56K 1/4W 1 [M] R456 ERDS2TJ563T 56K 1/4W 1 [M] R457 ERDS2TJ271T 270 1/4W...
  • Page 36 R532 ERDS2TJ332T 3.3K 1/4W 1 [M]...
  • Page 37 Ref. No. Part No. Part Name & Description Pcs. Remarks R533 ERDS2TJ473T 47K 1/4W 1 [M] R534 ERDS2TJ473T 47K 1/4W 1 [M] R535 ERDS2TJ102T 1K 1/4W 1 [M] R536 ERDS2TJ102T 1K 1/4W 1 [M] R537 ERDS2TJ103T 10K 1/4W 1 [M] R538 ERDS2TJ103T 10K 1/4W...
  • Page 38 Ref. No. Part No. Part Name & Description Pcs. Remarks R621 ERDS2TJ682T 6.8K 1/4W 1 [M] R622 ERDS2TJ682T 6.8K 1/4W 1 [M] R623 ERDS2TJ682T 6.8K 1/4W 1 [M] R624 ERD25FVJ4R7T 4.7 1/4W R625 ERG1SJ101E 100 1W 1 [M] R626 ERG1SJ101E 100 1W 1 [M] R627...
  • Page 39 R706 ERDS2TJ102T 1K 1/4W 1 [M]...
  • Page 40 Ref. No. Part No. Part Name & Description Pcs. Remarks R707 ERD25FVJ221T 220 1/4W R708 ERDS2TJ152T 1.5K 1/4W 1 [M] R711 ERDS2TJ752T 7.5K 1/4W 1 [M] R712 ERDS2TJ682T 6.8K 1/4W 1 [M] R713 ERDS2TJ390T 39 1/4W 1 [M] R714 ERDS2TJ390T 39 1/4W 1 [M] R720...
  • Page 41 Ref. No. Part No. Part Name & Description Pcs. Remarks R907 ERDS2TJ104T 100K 1/4W 1 [M] R908 ERDS2TJ104T 100K 1/4W 1 [M] R909 ERDS2TJ104T 100K 1/4W 1 [M] R910 ERDS2TJ102T 1K 1/4W 1 [M] R911 ERDS2TJ104T 100K 1/4W 1 [M] R914 ERDS2TJ223T 22K 1/4W...
  • Page 42 Ref. No. Part No. Part Name & Description Pcs. Remarks R998 ERDS2TJ101T 100 1/4W 1 [M] R1012 ERJ3GEYJ103Z 10K 1/16W 1 [M] R1013 ERJ3GEYJ103Z 10K 1/16W 1 [M] R1014 ERJ3GEYJ103Z 10K 1/16W 1 [M] R1015 ERJ3GEYJ103Z 10K 1/16W 1 [M] R1016 ERJ3GEYJ103Z 10K 1/16W...
  • Page 43 Ref. No. Part No. Part Name & Description Pcs. Remarks R1065 ERJ3GEYJ331V 330 1/16W 1 [M] R1066 ERJ3GEYJ331V 330 1/16W 1 [M] R1067 ERJ3GEYJ331V 330 1/16W 1 [M] R1068 ERJ3GEYJ473V 47K 1/16W 1 [M] R1069 ERJ3GEYJ100V 10 1/16W 1 [M] R1201 ERDS2TJ333T 33K 1/4W...
  • Page 44 Ref. No. Part No. Part Name & Description Pcs. Remarks R1265 ERDS2TJ472T 4.7K 1/4W 1 [M] R1266 ERDS2TJ472T 4.7K 1/4W 1 [M] R1267 ERDS2TJ103T 10K 1/4W 1 [M] R1268 ERDS2TJ103T 10K 1/4W 1 [M] R1269 ERDS2TJ103T 10K 1/4W 1 [M] R1270 ERDS2TJ103T 10K 1/4W...
  • Page 45 Ref. No. Part No. Part Name & Description Pcs. Remarks R1903 ERDS2TJ104T 100K 1/4W 1 [M] R1904 ERDS2TJ121T 120 1/4W 1 [M] R1905 ERDS2TJ271T 270 1/4W 1 [M] R1906 ERDS2TJ101T 100 1/4W 1 [M] R1907 ERDS2TJ101T 100 1/4W 1 [M] R1909 ERDS2TJ102T 1K 1/4W...
  • Page 46 Ref. No. Part No. Part Name & Description Pcs. Remarks C374 ECA1CAK470XB 47 16V 1 [M] C375 ECA1CAK470XB 47 16V 1 [M] C401 ECA1HAK4R7XB 4.7 50V 1 [M] C402 ECA1HAK4R7XB 4.7 50V 1 [M] C403 ECBT1H103KB5 0.01 50V 1 [M] C404 ECBT1H103KB5 0.01 50V...
  • Page 47 Ref. No. Part No. Part Name & Description Pcs. Remarks C488 ECA1HAK4R7XB 4.7 50V 1 [M] C489 ECA1CAK100XB 10 16V 1 [M] C490 ECBT1H101KB5 100P 50V 1 [M] C491 ECBT1H101KB5 100P 50V 1 [M] C492 ECBT1H101KB5 100P 50V 1 [M] C493 ECBT1H103KB5 0.01 50V...
  • Page 48 Ref. No. Part No. Part Name & Description Pcs. Remarks C581 ECBT1H121KB5 120P 50V 1 [M] C582 ECBT1H121KB5 120P 50V 1 [M] C585 ECA1CAK330XB 33 16V 1 [M] C586 ECA1CAK100XB 10 16V 1 [M] C601 ECA1JAM330XB 33 63V 1 [M] C602 ECA1JAM330XB 33 63V...
  • Page 49 C712 ECA1HAK100XB 10 50V 1 [M] Ref. No. Part No. Part Name & Description Pcs. Remarks C713 ECKR1H103ZF5 0.01 50V 1 [M] C714 ECA1EAK470XB 47 25V 1 [M] C715 ECA1CAK101XB 100 16V 1 [M] C721 ECQE2104KF3 0.1 250V 1 [M] C722 ECQE2104KF3 0.1 250V...
  • Page 50 Ref. No. Part No. Part Name & Description Pcs. Remarks C932 ECBT1H101KB5 100P 50V 1 [M] C933 ECBT1H101KB5 100P 50V 1 [M] C955 ECBT1H101KB5 100P 50V 1 [M] C980 ECA1HAK4R7XB 4.7 50V 1 [M] C991 ECBT1H101KB5 100P 50V 1 [M] C992 ECBT1H101KB5 100P 50V...
  • Page 51 Ref. No. Part No. Part Name & Description Pcs. Remarks C1205 ECBT1H471KB5 470P 50V 1 [M] C1206 ECBT1H471KB5 470P 50V 1 [M] C1209 ECCR1H391J5 390P 50V 1 [M] C1210 ECCR1H391J5 390P 50V 1 [M] C1211 ECBT1H103KB5 0.01 50V 1 [M] C1212 ECBT1H103KB5 0.01 50V...
  • Page 52 Ref. No. Part No. Part Name & Description Pcs. Remarks C1272 ECBT1H103KB5 0.01 50V 1 [M] C1273 ECA1CAK330XB 33 16V 1 [M] C1274 ECA1CAK330XB 33 16V 1 [M] C1275 ECQV1H473JZ3 0.047 50V 1 [M] C1281 ECA1HAK4R7XB 4.7 50V 1 [M] C1282 ECA1HAK4R7XB 4.7 50V 1 [M]...

  • Page 53: Cabinet Parts Location

    C1911 ECBT1H102KB5 1000P 50V 1 [M] 14. Cabinet Parts Location...
  • Page 54 15. Packaging...

  • Page 56: Power Supply Pcb

    ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. POWER SUPPLY P.C.B Q751 CN752 POWER TRANSFORMER P.C.B. Q752 FC701 Q753 FC702 D751 D752 F3 8A D753 W702 D754 R751 D741 D755 R799 D756 C751 FC706 FC705 D743 T751 C752 Z751 C753...

  • Page 57: Schematic Diagram

    SCHEMATIC DIAGRAM-1 NOTE: The number which noted at the connectors on the schematic diagram as "SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2" indicates the schematic diagram serial number located on the left corner in the schematic diagram. :POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE IN/OUT TERMINAL CIRCUIT :NEGATIVE VOLTAGE LINE :SUB WOOFER SIGNAL LINE...

  • Page 58: Main Circuit

    SCHEMATIC DIAGRAM-2 :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :FM/ AM SIGNAL LINE :SUB WOOFER SIGNAL LINE MAIN CIRCUIT R449 S451 W451 CN451 6.8K (TAPE/ EQ) IC401 TC9163AN SIGNAL SELECTOR R423 TAPE (AUDIO) R448 6.8K 14.1V DATA -16.2V 0V R424 14.4V IC402 NJM4580DD R415...
  • Page 59 SCHEMATIC DIAGRAM-3 :POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE :SURROUND SP SIGNAL LINE SURROUND CIRCUIT :NEGATIVE VOLTAGE LINE :CENTER SP SIGNAL LINE :SUB WOOFER SIGNAL LINE R404 JK403 R ch R439 R403 L ch IC404 TC9162AN SIGNAL SELECTOR (AUDIO) R438 14.2V -16.2V C1301...
  • Page 60 SCHEMATIC DIAGRAM-4 :POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE :SURROUND SP SIGNAL LINE :NEGATIVE VOLTAGE LINE :CENTER SP SIGNAL LINE :SUB WOOFER SIGNAL LINE 9.2V 4.9V C980 C488 50V4.7 50V4.7 R491 9.2V 4.5V 4.6V 4.5V 4.6V 4.9V IC405 M62490FPE1 SOUND CONTROLLER (VOLUME CONT.) R489 4.6V...
  • Page 61 SCHEMATIC DIAGRAM-5 :POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE :SURROUND SP SIGNAL LINE SURROUND CIRCUIT :NEGATIVE VOLTAGE LINE :CENTER SP SIGNAL LINE :SUB WOOFER SIGNAL LINE R1929 R1930 65 CS42 R1935 4.9V S CLK R1936 S OUT R1937 S IN R1934 CS49 R1931...
  • Page 62 SCHEMATIC DIAGRAM-6 DTS CIRCUIT :POSITIVE VOLTAGE LINE 2.6V SCCLK AU DATA2 R1019 2.6V 2.6V R1027 4.7K DATA7 DB CLK R1018 2.6V 2.6V R1029 4.7K DATA6 DB DA R1017 2.6V 2.6V DATA5 RESET R1016 2.6V IC1001 DATA4 VssA 2.6V 2.6V CS49326-CLR 2.6V 2.6V 2.6V...
  • Page 63 SCHEMATIC DIAGRAM-7 :FM/ AM SIGNAL LINE :SURROUND SP SIGNAL LINE :POSITIVE VOLTAGE LINE :CENTER SP SIGNAL LINE :SUB WOOFER SIGNAL LINE 4.9V C1042 R1055 1000P R1056 R1042 R1057 R1058 R1059 R1060 2.4V D IN1 A OUT2 2.4V D OUT2 A OUT1 1.6V R1061 D OUT1...
  • Page 64 SCHEMATIC DIAGRAM-8 FL CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :FM/AM SIGNAL LINE 5.5V -16.2V 14.4V CP905 L DIN A .GND MAIN L IN CIRCUIT(CN905) R IN on SCHEMATIC R DIN DIAGRAM-13 +B(8) R OUT L OUT D931-937 SLR325VCT31 CP904 V.RF MAIN 5.3V...
  • Page 65 SCHEMATIC DIAGRAM-9 :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE 5.5V -14.9V 14.1V FL901(RSL0279-F) FL DISPLAY 54 53 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5...

  • Page 66: Operation Circuit

    SCHEMATIC DIAGRAM-10 FL CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :FM/AM SIGNAL LINE 5.5V -16.2V 14.4V C520 50V4.7 R523 C525 C523 C522 R518 R516 3.9K 0.068 0.012 50V4.7 1.8K 470K R521 C518 C516 C512 R512 220P 50V3.3 VR511 14.4V R524 R522 100K(C) 3.9K...
  • Page 67 SCHEMATIC DIAGRAM-11 :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :FM/AM SIGNAL LINE HEADPHONES JACK CIRCUIT -16.2V CP501 CN501 HP601 IC501 PHONES BA6218 MOTOR DRIVE DIRECTION DRIVE SELECT 5.5V R508 L502 5.5V L501 IC551 TC9214AP R506 2.2K SIGNAL SELECTOR R553 100K 14.4V -16.2V R505 2.2K...
  • Page 68 SCHEMATIC DIAGRAM-12 :POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE :SURROUND SP SIGNAL LINE MAIN CIRCUIT :NEGATIVE VOLTAGE LINE :CENTER SP SIGNAL LINE :SUB WOOFER SIGNAL LINE R463 R461 180K C537 R579 16V33 2.2K C461 C459 C457 R457 R459 C463 R535 C579 6800P 0.022...
  • Page 69 SCHEMATIC DIAGRAM-13 :POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE :NEGATIVE VOLTAGE LINE :CENTER SP SIGNAL LINE -16.2V Q604 Q651,652 RVTDTA114EST RVTDTA143XST LIMITER R640 R615 RELAY DRIVE CONTROL Q601-603 4.5V RVTDTA143XST Q651 Q652 RELAY DRIVE Q605 RVTDTA114EST Q603 Q602 Q601 SWITCHING R698 R613 2.2K...
  • Page 70 SCHEMATIC DIAGRAM-14 :POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE MAIN CIRCUIT :NEGATIVE VOLTAGE LINE :CENTER SP SIGNAL LINE IC601 RSN310R36-P POWER AMP -52.4V 52.5V -26.2V -8.4V -16.4V 14V -1.5V -12.3V -31.2V 31.1V -66.7V 66.8V C642 820P C646 C603 C604 820P 820P C601 R603...
  • Page 71 SCHEMATIC DIAGRAM-15 :POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE :NEGATIVE VOLTAGE LINE :CENTER SP SIGNAL LINE :SURROUND SP SIGNAL LINE IC651 RSN313H25-P POWER AMP -60.8V 64.3V -9.4V -11.5V 15V -11.4V 0V -12.3V -31.2V 31.1V 0V -66.7V 66.8V C651 R653 63V33 C658 C653 820P...

  • Page 72: Power Supply Circuit

    SCHEMATIC DIAGRAM-16 :POSITIVE VOLTAGE LINE MAIN CIRCUIT :FM/ AM SIGNAL LINE :CENTER SP SIGNAL LINE SPEAKER :SURROUND SP SIGNAL LINE JK603 SURROUND SPEAKERS JK601 FRONT SPEAKER(B) CENTER SPEAKER JK602 FRONT SPEAKER(A) POWER SUPPLY CIRCUIT C691 C701 0.01 0.01 E601 R799 Q752 2SC3940AQSTA REGULATOR...
  • Page 73 SCHEMATIC DIAGRAM-17 :FM SIGNAL LINE :AM SIGNAL LINE Z120 TUNER UNIT(RAN0001MM) :POSITIVE VOLTAGE LINE :FM OSC SIGNAL LINE :AM OSC SIGNAL LINE 2SC2059 FM MIXER IFT1 2SK360 0 - 220 JK101 RF AMP FM ANT 2SC2413 BUFFER AMP AM ANT AM ANT AM OSC 0.47...
  • Page 74 SCHEMATIC DIAGRAM-18 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE :FM/ AM SIGNAL LINE 470K 100P 470K 1000P DTA114 2SC2413 2SC2413 POWER SUPPLY (FM:ON) FM IF AMP FM IF AMP 14.8V 3.3K 2SC2712 BUFFER AMP LA1844 FM/AM IF AMP, DET/AM OSC,MIX/FM MPX...
  • Page 75 CS49326-CLR CS4226-KQG SNAHC1U04DBV M38B57MCA232 M62490FPE1 36PIN M38B57M6141F 20PIN SN7AHCT244PW SN74HCU04APW 14PIN ... 20PIN SN74LV244APW ... . No.1 44 1 ..

  • Page 76: Power Supply

    POWER SUPPLY FRONT CENTER SURROUND P.C.B. POWER TRANSFORMER CN752 CN601 P.C.B. W702 CP771 FAN MOTOR T751 (POWER TRANS- T701 FORMER) (POWER CN751 W701 TRANSFORMER) W701 BLACK WHITE MAIN P.C.B. BLUE AC IN/OUT P.C.B. W752 CN901 CN902 CN903 ..
  • Page 77 TAPE/EQ PHONO CP401 3 . 1 Z120 CN451 TUNER CP1201 UNIT CP101 CP402 CP1202 CP403 CP1203 CP1204 DIGITAL SURROUND P.C.B. CN1201 W1205 CN1202 CN904 CN905 ... . CN1002B CN1203 CN1001B DVD/ TV MONITOR OUT CD,TAPE/EQ...
  • Page 78 Z120 TUNER UNIT (RAN0001MM) BUFFER FM ANT AM ANT +B(FM) RF AMP MIXER COIL COIL +B(FM) BUFFER FM IF +B(FM) LOCAL BUFFER +B(FM) BUFFER LA1844 FM / AM I F AMP, DET / AM OSC, MIX / FM MPX DECODER BUFF.
  • Page 79 (26) TC9163AN AN6558F IC401 IC451 AUDIO SIGNAL SELECTOR (AUDIO) (27) PHONO EQ PHONO (25) (24) (23) TV IN NJM4580DD (22) IC402 (17) Buffer (21) amp. (20) (19) (OUT) TAPE (18) PLAY (IN) Level shift TAPE Latch circuit Shift register S451 (TAPE/EQ) NJM2279D IC351...
  • Page 80 (24) A OUT3(4) (OPTICAL) DIGITAL (OPTICAL) A OUT6 CS4226-KQG IC1002 DIR/DAC/VOL (OPTICAL) A OUT5 (13) AIN1L BUFFER (22) (AIN1R) A OUT1(2) NJM2115D AIN2L (12) IC1206 ( 1207 ) (AIN2R) 28 30 Q1001 POWER X1001 SUPPLY (12.288MHz) SNAHC1U04DBV SN74HCU04APW IC1006 IC1005 INVERTER LOGIC CONTROL SN74LV244APW...

  • Page 81: System Control

    TC9162AN (22) (23) IC404 NJM2060D SIGNAL SELECTOR IC1204 (1/2) (AUDIO) (24) BUFFER NJM4580DD NJM2060D X2-2 IC1203 (1/2) IC1201 (1/2) NJM4580DD X1-1 BUFFER IC1203 (1/2) BUFFER BUFFER X2-1 NJM2060D X1-2 IC1204 (1/2) BUFFER X6-1 X6-2 X6-2 (17) (18) SW CONT. NJM4580DD IC1205 BUFFER D1903...

  • Page 82: Sound Controller

    (28) (24) DT VR M62490FPE1 IC1208 (31) L ch IN SOUND CONTROLLER (Rch IN) CK VR (VOLUME CONT.) CLK1 (22) NJM4580DD IC1202 VREF Q1201,D1281 REGULATOR (28) (24) DT VR M62490FPE1 CK VR IC406 CLK1 SOUND CONTROLLER (VOLUME CONT.) RS IN RS OUT NJM4580DD IC407...
  • Page 83 TC9214AP VR501 (VOLUME) IC551 SIGNAL SELECTOR NJM4580DD IC511 Tone amp. VR511,512 Treble Bass VR502 (BALANCE) R ch R ch R ch BA6218 IC501 MOTOR DRIVE R ch R ch 2,5, Drive Direction select M38B57M6141F IC901 SYSTEM CONTROL / FL DRIVE Q901 Q902 POWER...

  • Page 84: Power Amp

    RSN310R36-P IC601 POWER AMP Reg. +B12 +B11 NJM2060D D601 (R4) (R5) IC602 +B11 (21) BUFFER Q505 NJM2060D (Q506) IC602 MUTING BUFFER Q553 MUTING REG. D602 AUDIO Q651,652 OVERDET RELAY DRIVE DISP CONT. SUB WOOFER Q554 D617 D605 MUTING RSN313H25-P D655 IC651 POWER AMP OVERDET...
  • Page 85 R ch HEADPHONES Q1681 MUTING (Q1682) SPEAKER (R6) Q601 FRONT SPEAKER(A) SP A RELAY DRIVE RL601 Q602 FRONT SPEAKER(B) SP B RELAY DRIVE RL602 CENTER SPEAKER RL604 (SR5) Q603 SURROUND SPEAKER S/C SP RELAY DRIVE Q772,773, 776~778, RL603 780,781 Q774,775 OVER MOTOR DRIVE LOAD DET...
  • Page 86 IN/OUT TERMINAL P.C.B. VIDEO AUDIO DVD/TV TV/VCR CD,TAPE/EQ MONITOR OUT TV/VCR SUB WOOFER OUT (DVD) JK351 (TV IN) JK402 (TV IN) (CD) (TV MONITOR OUT) (VCR OUT) (TAPE REC) (VCR OUT) (SW) (VCR IN) (TAPE PLAY) (VCR IN) Q352 C330 R303 Q351 R359...
  • Page 87 DTS P.C.B. (SIDE : A) C1027 C1040 X1001 C1003 IC1006 C1026 C1036 C1024 R1024 C1009 IC1003 C1032 IC1005 R1023 C1034 C1039 C1005 IC1001 C1025 IC1004 Q1001 C1042 8 10 R1025 C1043 29 30 R1028 C1030 C1031 C1029 C1008 IC1002 C1047 C1004 L1001 C1048...
  • Page 88 HEADPHONES JACK P.C.B. HP601 1 2 3 4 CN501 (REP2931A-S) PHONES ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. DTS P.C.B. IC1001 R1026 R1054 C1027 IC1002 R1027 R1055 C1029 AC IN/OUT IC1003 R1028...
  • Page 89 SURROUND P.C.B. DIGITAL (OPTICAL) JK1303 JK1302 JK1301 E1301 JK403 C1320 C1309 C1306 C1303 L1303 C1307 C1302 C1305 C1235 C1237 C1226 C442 C441 C1224 C444 C1241 CN1201 C1225 IC1204 C1243 C443 C1223 W1205 C1239 C1231 C1215 C1244 IC404 C1245 C1232 C1227 C1228 C481 C482...
  • Page 90 OPERATION P.C.B. S957 D939 W354 (PRESET) (SFC) 1 2 3 4 5 6 7 8 9 10 11 D940 (SURROUND) (DSP) S956 S953 (TUNING (SUBWOOFER) D941 (STEREO) VR902 (DSP) S955 S954 (TUNING (-DSP ON/DEFEAT) S967 (SPEAKERS B) S969 ( HELP/ S950 RESET) (POWER)
  • Page 91 FL P.C.B. L502 L501 S958 (DIGITAL INPUT) R998 IC501 R997 R931 R932 R933 VR501(VOLUME) D942 IC903 (DIGITAL INPUT) 16 15 14 13 12 11 10 9 D931(PHONO) D932(TUNER) R916 VR901 (INPUT SELECTOR) R991 Q505 R504 R503 S960 (TAPE.MON) 5 6 7 8 R915 Q902 IC511...
  • Page 92 R937 R936 R931 R933 R934 R932 R935 VR903 D931(PHONO) D932(TUNER) D933(CD) D934(DVD) D936(VCR) D935(TV) D937 (SFC/MODE) (TAPE/MONITOR) CF901 R904 R909 R991 R995 R996 R943 IC901 R910 C993 1 2 3 CN354 Q902 R944 D924 R945 Z891 C994 (SENSOR) Q901 C908 R906 R994 R921...
  • Page 93 MAIN P.C.B. SURROUND TAPE/EQ PHONO TAPE S451 JK603 JK401 C406 E401 CP401 1 2 3 RL603 CN451 C452 C451 C661 C455 C456 CP1201 C457 C458 CP101 CP402 C662 IC451 Q652 L652 C462 C461 CP1202 C460 C459 Q651 CP403 C464 C463 L651 IC651 C652...
  • Page 94 FRONT SURROUND CENTER RL601 RL602 JK603 JK601 JK602 L603 RL604 D612 D611 Q603 B Q601 D613 C626 CP711 Q602 L603 C625 C611 C646 C612 L602 IC601 Q651 C644 L604 IC651 C615 C617 C616 C668 C619 C622 C621 Q723 Q724 Q703 Q701 C709 Q704...
  • Page 95 ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. MAIN P.C.B. IC451 D732 R464 R637 R776 C617 IC601 D768 R465 R638 R777 C618 IC602 D769...

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