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Technics SA-DA10 Service Manual
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Technics SA-DA10 Service Manual

Technics SA-DA10 Service Manual

Av control stereo receiver
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Order No. MD0006112C1
A2
AV Control Stereo Receiver
SA-DA10
Color
(K) ... Black Type
(N) ... Gold Type
PP ... U.S.A. and Canada
SPECIFICATIONS
1
MC-Service

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Summary of Contents for Technics SA-DA10

  • Page 1 Order No. MD0006112C1 AV Control Stereo Receiver SA-DA10 Color (K) ... Black Type (N) ... Gold Type PP ... U.S.A. and Canada SPECIFICATIONS MC-Service...
  • Page 2 FM Tuner Section Frequency range 87.9-107.9 MHz Sensitivity 11.2 dBf (2 V, IHF’58) 50 dB quieting sensitivity MONO 18.3 dBf (4.5 V, IHF’58) STEREO 38.3 dBf (45 V, IHF’58) Total harmonic distortion MONO 0.2% STEREO 0.3% MONO 73 dB STEREO 67 dB Frequency response 20 Hz-15 kHz, +1 dB, -2 dB...
  • Page 3 Surround 2 x 100 W (6 Low frequency damping factor 30 (6 Load impedance Front A or B 4 - 8 A and B BI-WIRE 6 - 8 Center 6 - 8 Surround 6 - 8 Frequency response PHONO RIAA standard curve ±0.8 CD, DVD, TV, VCR1, VCR2, VCR3, 10 Hz-100 kHz, ±3 dB TAPE...

  • Page 4: Safety Precaution

    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. 2. When replacing parts, use only manufacturer’s recommended components for safety. 3. Check the condition of the power cord. Replace if wear or damage is evident.
  • Page 5 MC-Service...

  • Page 6: Before Repair And Adjustment

    2. Before Repair and Adjustment Disconnect AC power, discharge Power Supply Capacitors C1702 through a 10 , 5 W resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screw driver blade, for instance), as this may destroy solid state devices. After repairs are completed, restore power gradually using a variac, to avoid over current.

  • Page 7: Front Panel Controls

    and then on again. 4. Accessories AC power supply cord... 1 pc. AM Loop Antenna Set / ... 1 set. FM Indoor Antenna... 1 pc. Remote Control / Transmitter... 1 pc. 5. Front Panel Controls 5.1. Front Panel...
  • Page 8 MC-Service...
  • Page 9 5.2. Remote Control...

  • Page 10: Operation Checks And Main Component Replacement Procedures

    6. Operation Checks and Main Component Replacement Procedures “ATTENTION SERVICER” Some chassis components maybe have sharp edges. Be careful when diassembling and servicing. 1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. 2.
  • Page 11 8~12 - Main Component Replacement Procedures 1. Replacement of the Power IC and Regulator Transistor..................P.g. 13~14 2. Installation of the bottom cover after replacement....................... P.g. 15 6.1. Checking Procedure for each major P.C.B. Step 1 & Step 2 Unscrew and remove top cabinet as shown. Step 3 Remove all the screws.
  • Page 12 Step 4 Remove all the screws. Step 5 Remove the two support bars and VGCA cover. Step 6 Release the connectors CP451 and CP506. Step 7 Remove the screw.
  • Page 13 Step 8 Release the connectors CN351 and CP353. Step 9 Release the flat cable from CN901B. / Take note of CN504, CN505 and CN902.
  • Page 14 Step 10 Remove all the screws and support bar (A). Step 11 Unscrew the nut from AL Panel and remove the Volume Knob. Step 12 Remove all the screws and pull the Volume P.C.B. up as shown. / Take note of CP501 and CP502.
  • Page 15 Step 15 Remove Selector Knobs, Tone Knob, Selector Ring, Light Guide and unscrew the nut. / Take note of CP503. Step 16 Remove all the screws. Step 17 Release the AC In/Out P.C.B. catch. Step 18 Release the CP771 and pull out the rear panel in the direction shown.
  • Page 16 Step 19 Remove the screw and Shield Plate. Step 20 Release the CN702 and pull out the Surround P.C.B. in the direction shown. / Take note of CN1201 to CN1204.
  • Page 17 Step 21 Release the CN354 and pull out the Input Selector P.C.B. in the direction shown. / Take note of CN401 to CN403. Step 22 Remove all the screws. Step 23 Release the CN102 and CN103 from the Phono P.C.B.. MC-Service...
  • Page 18 Step 24 Remove all the screws. Step 25 Release the CN751 and CN752 from the Power P.C.B.. Pull out in the direction shown.
  • Page 19 6.2. Main Component Replacement Procedures 6.2.1. Replacement of the Power IC and Regulator Transistor Step 1 Remove the top cabinet. Step 2 Cut the joints as shown below. (8 joints)
  • Page 20 Step 3 Fold the joints. (8 joints) Step 4 Desolder the terminals of Power IC and Regulator Transistor. MC-Service...
  • Page 21 Step 5 Follow step 5 of Checking Procedure for each major P.C.B. on pg 9 to remove the support bars. Step 6 Remove all the screws, disconnect the CP603 and remove IC651. The PROTO Offset Screwdriver No.34-1/4 is recommended for use in the application above. Step 8 Remove all the screws at the rear panel and pull out Shield Plate, Surround P.C.B.
  • Page 22 Step 9 Remove the two screws from IC602. 6.2.2. Installation of the bottom cover after replacement...
  • Page 23 Step 1 Upset the bottom cover. Step 2 Align the ribs of bottom cover into the bugs. Step 3 Prepare the screws to fix the bottom cover. 7. Type Illustrations of ICs, Transistors & Diodes 8. Terminal Functions of ICs - IC901 (M38B57MCA242) MICRO PROCESSOR MC-Service...
  • Page 24 Mark I/O Function KEY2~KEY1 I Key Input 1~2 THERM/ I Thermal/Over load input OVLD KEY 4 I Key Input 4 OVERLOAD2 I Thermal/Over load input 2 FMST I Stereo signal detect terminal WAKE - Wake up timer LED (Not used, open) RDS DI - Control of RDS IC(Not used, open)
  • Page 25 AF MUTE O Muting control output 33~48 SEG16~ O FL segment signal output SEG1 49~58 DEG1~ O FL digit signal output DEG10 INIT_IN I Diode input initial settings VOL DOWN O Volume control output (Down) VOL UP O Volume control output (Up) VIDEO_C - Not used IF DATA...
  • Page 26 S301 VCR2/VCR3 Switch S901 Power Switch S902 Speaker B Switch S903 Band Switch S904 FM Mode Switch S905 Tuning Down Switch S906 Tuning Up Switch S907 Memory Switch S908 Preset Switch S909 DSP Sound Mode Switch S911 Speaker A Switch S912 Bi-Wire Switch S913...
  • Page 27 11. Printed Circuit Board 12. Wiring Connection Diagram...

  • Page 29: Parts Location And Replacement Parts List

    13. Parts Location and Replacement Parts List Notes: - 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. MC-Service...
  • Page 30 When replacing any of these components, be sure to use only manufacturers’s specified parts shown in the parts list. - The parenthesized indications in the Remarks column specify the areas or color. (Refer to the cover page for area or color.) Parts without these indications can be used for all areas.
  • Page 32 13.1.2. Cabinet Parts List MC-Service...
  • Page 33 RHD30070 EARTH TERMINAL RGW0348-K SELECTOR KNOB UNIT [M]K RSC0528 SHIELD CASE RGW0348-N SELECTOR KNOB UNIT [M]N RGP0791-K GRILL [M]K RGB0031-A TECHNICS BADGE RGP0791-N GRILL [M]N RKU0081-T THCB RMN0588 FL HOLDER RKA0079A-A LEG UNIT RMZ0514 BUS BAR INSURATOR RMK0391 BOTTOM CHASSIS...

  • Page 34: Integrated Circuits

    13.2. Electrical Parts List Ref. No. Part No. Part Name & Description Remarks P.C.B. REP3019A-M POWER AMP P.C.B./MAIN P.C.B./TRANSFORMER P.C.B. [M]RTL REP3020A-S FRONT VCR3 INPUT P.C.B./S-VIDEO P.C.B./HEADPHONES P.C.B./ [M]RTL PHONO P.C.B./LED1 P.C.B./LED2 P.C.B./EARTH TERMINAL P.C.B./ PANEL P.C.B./TONE P.C.B./KEY P.C.B. REP3021A-P SURROUND P.C.B./INPUT SELECTOR P.C.B./VOLUME P.C.B./ [M]RTL POWER P.C.B./SPEAKER TERMINAL P.C.B./AC IN/OUT P.C.B.
  • Page 35 Ref. No. Part No. Part Name & Description Remarks IC1210 NJM4580EDTE1 IC OP AMP IC1211 TC9459F IC VOLUME IC1212 TC9459F IC VOLUME IC1213 TC9459F IC VOLUME IC1701 PQ30RV11 IC REGULATOR IC1901 M38B57M6154F IC MICOM TRANSISTORS Q351 2SC3940AQSTA TRANSISTOR Q352 2SA1534AQRTA TRANSISTOR Q401 RVTDTC143XST...
  • Page 36 Ref. No. Part No. Part Name & Description Remarks Q772 2SC1740SSTA TRANSISTOR Q773 2SB621AQSTA TRANSISTOR Q774 RVTDTA113ZST TRANSISTOR Q775 RVTDTA114EST TRANSISTOR Q776 2SC1740SSTA TRANSISTOR Q777 2SA933SSTA TRANSISTOR Q778 2SA933SSTA TRANSISTOR Q780 2SA933SSTA TRANSISTOR Q781 2SC1740SSTA TRANSISTOR Q901 RVTDTC114YST TRANSISTOR Q902 2SA933SSTA TRANSISTOR Q903...
  • Page 37 Ref. No. Part No. Part Name & Description Remarks D627 MTZJ5R1BTA DIODE D628 MTZJ5R1BTA DIODE D629 MTZJ27DTA DIODE D630 MTZJ27DTA DIODE D651 RK306LFU1 DIODE D652 RK306LFU1 DIODE D653 RK306LFU1 DIODE D654 RK306LFU1 DIODE D701 1N5402BM21 DIODE D702 1N5402BM21 DIODE D703 1N5402BM21 DIODE D704...

  • Page 38: Variable Resistors

    Ref. No. Part No. Part Name & Description Remarks D909 RVD1SS133TA DIODE D931 LNW0A8CYBZ DIODE D932 LNW0A8CYBZ DIODE D933 SLR325MCT31 DIODE D934 SLR325YCT31 DIODE D935 SLR325VCT31 DIODE D936 SLR325YCT31 DIODE D937 SLR325VCT31 DIODE D941 MTZJ3R0BTA DIODE D1701 RVD1SS133TA DIODE D1702 MTZJ6R2CTA DIODE D1901...
  • Page 39 Ref. No. Part No. Part Name & Description Remarks CN504 RJU003K008M1 BOAD IN CONNECTOR CN505 RJU003K008M1 BOAD IN CONNECTOR CN601 RJS9T6ZA CONNECTOR CN702 RJS1A6603T1 3P TAPING CONNECTOR CN751 SJS305-1 3P CONNECTOR CN752 RJS1A6603T1 3P TAPING CONNECTOR CN901A RJS2A8430 CONNECTOR CN901B RJS2A5630 CONNECTOR CN902...
  • Page 40 Ref. No. Part No. Part Name & Description Remarks L751 RLQB101KTA-Y CHOKE COIL L901 RLQB101KTA-Y CHOKE COIL L1001 RLQM2R2KT2-W CHIP INDUCTOR L1002 RLQM2R2KT2-W CHIP INDUCTOR L1003 RLQM2R2KT2-W CHIP INDUCTOR L1004 RLQM2R2KT2-W CHIP INDUCTOR L1301 RLQZP1R0KT-Y AXIAL COIL L1901 RLQB101KTA-Y CHOKE COIL T701 RTP2Q5C001 POWER TRANSFORMER...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks XBA1C80NBAL FUSE XBA1C80NBAL FUSE XBA1C80NBAL FUSE XBA1C16NBAU FUSE FUSE CABLE FC701 EYF52BC FUSE HOLDER FC702 EYF52BC FUSE HOLDER FC705 EYF52BC FUSE HOLDER FC706 EYF52BC FUSE HOLDER FC707 EYF52BC FUSE HOLDER FC708 EYF52BC FUSE HOLDER FC709...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks W355 RWJ1803100SS EARTH WIRE UNIT W451 REX1034 WIRE W506 REX1031 WIRE W601 RWJ1809150KQ WIRE W602 RWJ1804150SS 4P WIRE W603 REX1049 12P WIRE W611 REE1016 WIRE W612 REE1017 WIRE W613 REE1044 WIRE W701 RWJ1812250SS WIRE...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks R404 ERDS2TJ102T 1K 1/4W R405 ERDS2TJ102T 1K 1/4W R406 ERDS2TJ102T 1K 1/4W R407 ERDS2TJ102T 1K 1/4W R408 ERDS2TJ102T 1K 1/4W R409 ERDS2TJ102T 1K 1/4W R410 ERDS2TJ102T 1K 1/4W R411 ERDS2TJ102T 1K 1/4W R412 ERDS2TJ102T 1K 1/4W...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks R464 ERDS2TJ123T 12K 1/4W R465 ERDS2TJ563T 56K 1/4W R466 ERDS2TJ563T 56K 1/4W R467 ERDS2TJ473T 47K 1/4W R468 ERDS2TJ473T 47K 1/4W R471 ERDS2TJ104T 100K 1/4W R472 ERDS2TJ104T 100K 1/4W R473 ERDS2TJ473T 47K 1/4W R474 ERDS2TJ473T 47K 1/4W...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks R539 ERDS2TJ473T 47K 1/4W R540 ERDS2TJ473T 47K 1/4W R541 ERDPS2VF122T 1.2K 1/4W R542 ERDPS2VF122T 1.2K 1/4W R543 ERDS2TJ181T 180 1/4W R544 ERDS2TJ181T 180 1/4W R545 ERDS2TJ122T 1.2K 1/4W R546 ERDS2TJ122T 1.2K 1/4W R547 ERDS2TJ122T 1.2K 1/4W...
  • Page 47 Ref. No. Part No. Part Name & Description Remarks R604 ERDPS2VF122T 1.2K 1/4W R605 ERDS2TJ221T 220 1/4W R606 ERDS2TJ221T 220 1/4W R607 ERDPS2VF223T 22K 1/4W R608 ERDPS2VF223T 22K 1/4W R609 ERDS2TJ470T 47 1/4W R610 ERDS2TJ470T 47 1/4W R611 ERDS1FVJ100T 10 1/2W R612 ERDS1FVJ100T 10 1/2W...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks R670 ERDS2TJ473T 47K 1/4W R671 ERD25FVJ220T 22 1/4W R672 ERD25FVJ220T 22 1/4W R673 ERDS2TJ224T 220K 1/4W R674 ERD25FVJ4R7T 4.7 1/4W R675 ERD25FVJ220T 22 1/4W R676 ERD25FVJ220T 22 1/4W R677 ERD25FVJ220T 22 1/4W R678 ERD25FVJ220T 22 1/4W...
  • Page 50 Ref. No. Part No. Part Name & Description Remarks R773 ERDS2TJ103T 10K 1/4W R774 ERDS2TJ155T 1.5M 1/4W R775 ERDS2TJ331T 330 1/4W R776 ERDS1FVJ220T 22 1/2W R777 ERDS2TJ154T 150K 1/4W R778 ERDS2TJ472T 4.7K 1/4W R779 ERDS2TJ103T 10K 1/4W R780 ERDS1FVJ3R9T 3.9 1/2W R782 ERDS2TJ390T 39 1/4W...
  • Page 52 Ref. No. Part No. Part Name & Description Remarks R942 ERDS2TJ122T 1.2K 1/4W R943 ERDS2TJ152T 1.5K 1/4W R944 ERDS2TJ182T 1.8K 1/4W R945 ERDS2TJ222T 2.2K 1/4W R946 ERDS2TJ332T 3.3K 1/4W R947 ERDS2TJ472T 4.7K 1/4W R948 ERDS2TJ271T 270 1/4W R949 ERDS2TJ271T 270 1/4W R950 ERDS2TJ271T 270 1/4W...
  • Page 54 Ref. No. Part No. Part Name & Description Remarks R1043 ERJ3GEYJ470V 47 1/16W R1044 ERJ3GEYJ470V 47 1/16W R1045 ERJ3GEYJ470V 47 1/16W R1046 ERJ3GEYJ102Z 1K 1/16W R1047 ERJ3GEYJ1R5V 1.5 1/16W R1048 ERJ3GEYJ104Z 100K 1/16W R1049 ERJ3GEYJ102Z 1K 1/16W R1050 ERJ3GEYJ102Z 1K 1/16W R1051 ERJ3GEYJ102Z 1K 1/16W...
  • Page 56 Ref. No. Part No. Part Name & Description Remarks R1233 ERDS2TJ103T 10K 1/4W R1236 ERDS2TJ102T 1K 1/4W R1237 ERDS2TJ473T 47K 1/4W R1238 ERDS2TJ473T 47K 1/4W R1239 ERDS2TJ104T 100K 1/4W R1240 ERDS2TJ104T 100K 1/4W R1241 ERDS2TJ101T 100 1/4W R1242 ERDS2TJ101T 100 1/4W R1243 ERDS2TJ473T 47K 1/4W...
  • Page 57 Ref. No. Part No. Part Name & Description Remarks R1685 ERDS2TJ220T 22 1/4W R1686 ERDS2TJ220T 22 1/4W R1687 ERDS2TJ220T 22 1/4W R1688 ERDS2TJ220T 22 1/4W R1689 ERDS2TJ220T 22 1/4W R1690 ERDS2TJ220T 22 1/4W R1691 ERDS2TJ220T 22 1/4W R1692 ERDS2TJ220T 22 1/4W R1693 ERDS2TJ220T 22 1/4W...
  • Page 58 Ref. No. Part No. Part Name & Description Remarks R1936 ERDS2TJ101T 100 1/4W R1937 ERDS2TJ101T 100 1/4W R1938 ERDS2TJ101T 100 1/4W R1939 ERDS2TJ101T 100 1/4W R1940 ERDS2TJ101T 100 1/4W R1941 ERDS2TJ101T 100 1/4W R1942 ERDS2TJ101T 100 1/4W R1943 ERDS2TJ101T 100 1/4W R1946 ERDS2TJ102T 1K 1/4W...
  • Page 60 Ref. No. Part No. Part Name & Description Remarks C416 ECBT1H103KB5 0.01 50V C417 ECA1EPXS100B 10 25V C418 ECA1EPXS100B 10 25V C419 ECBT1H103KB5 0.01 50V C420 ECBT1H103KB5 0.01 50V C435 ECBT1H101KB5 100P 50V C436 ECBT1H101KB5 100P 50V C437 ECBT1H101KB5 100P 50V C438 ECBT1H101KB5 100P 50V...
  • Page 62 Ref. No. Part No. Part Name & Description Remarks C503 ECQV1H104JZ3 0.1 50V C504 ECQV1H104JZ3 0.1 50V C511 ECA1HAK4R7XB 4.7 50V C512 ECA1HAK4R7XB 4.7 50V C513 ECBT1H101KB5 100P 50V C514 ECBT1H101KB5 100P 50V C515 ECBT1H221KB5 220P 50V C516 ECBT1H221KB5 220P 50V C517 ECBT1H330J5 33P 50V...
  • Page 64 Ref. No. Part No. Part Name & Description Remarks C578 ECA1EPXS100B 10 25V C579 ECA1EPXS100B 10 25V C580 ECA1EPXS100B 10 25V C581 ECBT1H271KB5 270P 50V C582 ECBT1H271KB5 270P 50V C583 ECA1CPXS330B 33 16V C584 ECA1CPXS330B 33 16V C585 ECA1EPXS100B 10 25V C586 ECBT1H271KB5 270P 50V...
  • Page 66 Ref. No. Part No. Part Name & Description Remarks C672 ECA1JPX470TB 47 63V C701 ECBT1H103KB5 0.01 50V C702 ECQE2104KF3 0.1 250V C703 ECETX1J103YZ 0.01 63V C704 ECETX1J103YZ 0.01 63V C705 ECES1VV472U 4700 35V C706 ECES1VV472U 4700 35V C707 ECA1VAM101XB 100 35V C708 ECKR1H103KB5 0.01 50V...
  • Page 67 Ref. No. Part No. Part Name & Description Remarks C919 ECBT1H101KB5 100P 50V C920 ECBT1H101KB5 100P 50V C921 ECBT1H101KB5 100P 50V C922 ECA1CAK100XB 10 16V C923 ECA1CAK100XB 10 16V C924 ECA1CAK100XB 10 16V C925 ECBT1H103KB5 0.01 50V C926 ECBT1H101KB5 100P 50V C927 ECBT1H101KB5 100P 50V...
  • Page 69 Ref. No. Part No. Part Name & Description Remarks C1204 ECA1CPXS330B 33 16V C1205 ECQB1H392JM3 3900P 50V C1206 ECQB1H392JM3 3900P 50V C1207 ECQB1H471JM3 470P 50V C1208 ECQB1H471JM3 470P 50V C1209 ECBT1H103KB5 0.01 50V C1210 ECBT1H103KB5 0.01 50V C1211 ECA1EPXS100B 10 25V C1212 ECA1EPXS100B 10 25V...
  • Page 70 Ref. No. Part No. Part Name & Description Remarks C1268 ECEA1CKN100B 10 16V C1269 ECEA1CKN100B 10 16V C1270 ECEA1CKN100B 10 16V C1271 ECA1EPXS100B 10 25V C1272 ECBT1H103KB5 0.01 50V C1277 ECBT1H104KB5 0.1 50V C1278 ECBT1H104KB5 0.1 50V C1279 ECA1EPXS100B 10 25V C1280 ECA1EPXS100B 10 25V...

  • Page 71: Packing Materials

    Ref. No. Part No. Part Name & Description Remarks C1913 ECBT1H101KB5 100P 50V 13.3. Packing Materials & Accessories Parts List Ref. No. Part No. Part Name & Description Remarks PACKING MATERIALS RPG4931 PACKING CASE [M]K RPG4934 PACKING CASE [M]N RPN1309 POLYFOAM RPFX0005 MIRAMAT BAG...
  • Page 72 / Printed in Singapore / G000602800FLE/H/C/J/D...

  • Page 73: Schematic Diagram

    SCHEMATIC DIAGRAM-12 :FM SIGNAL LINE :AM SIGNAL LINE Z101TUNER UNIT(RAN0001MM) :+ B SIGNAL 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 :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 3.3K 2SC2712 BUFFER AMP LA1844 FM/AM IF AMP, DET/AM OSC,MIX/FM MPX 50V1 470K...

  • Page 75: Power Circuit

    MC-Service SCHEMATIC DIAGRAM - 11 :+B SIGNAL LINE :-B SIGNAL LINE :MAIN SIGNAL LINE POWER CIRCUIT CN752 Q752 R752 5.98V 6.64V 6.64V MAIN RL751 C754 CIRCUIT 6.64V 0.01 (W752) ON T751 9.53V D751-D754 SCHEMATIC 9.51V 1SR35400V DIAGRAM-7 Q753 C752 D756 C755 0.01 16V47...
  • Page 76 SCHEMATIC DIAGRAM - 10 : DVD AUDIO/VIDEO SIGNAL LINE : MAIN SIGNAL LINE : +B SIGNAL LINE : -B SIGNAL LINE : FM/AM SIGNAL LINE VOLUME CIRCUIT C541 IC502-IC504 NJM4580EDTE1 C543 R549 TONE AMP 330K R551 330K -16.05V C549 VR501 MOTOR VOLUME -16.27V C547 25V10...
  • Page 77 MC-Service SCHEMATIC DIAGRAM - 9 :-B SIGNAL LINE :MAIN SIGNAL LINE :+B SIGNAL LINE KEY CIRCUIT 6.37V Q903 2SA933SSTA CP502 11.06V POWER SUPPLY Q903 D941 11.72V R932 R933 R934 R935 R936 R938 MTZJ3R0BTA R931 R937 R925 1.5K 1.8K 3.3K 1.2K 2.2K 4.7K 6.8K...

  • Page 78: S Video Circuit

    SCHEMATIC DIAGRAM -8 :-B SIGNAL LINE :+B SIGNAL LINE FRONT VCR3 INPUT CIRCUIT W351 W352 VCR2_L PANEL CIRCUIT (CN352) ON SCHEMATIC VCR2_R INPUT DIAGRAM-3 SELECTOR S301_L CIRCUIT (CP351) ON SCHEMATIC DIAGRAM-1 S301_R W353 INPUT SELECTOR CIRCUIT S301 (CP353) ON R421 1K VCR2/VCR3 L CH SCHEMATIC...

  • Page 79: Main Circuit

    MC-Service SCHEMATIC DIAGRAM - 5 :+B SIGNAL LINE :MAIN SIGNAL LINE :-B SIGNAL LINE MAIN CIRCUIT CP401 V_SELA IC601 V_SELB INPUT IC601 V_SELC SELECTOR RSN313H25-P CIRCUIT POWER AMP HIC SW_IN (CN401) ON -14V SCHEMATIC C611 DIAGRAM-1 +14V R661 0.047 D605 C603 CP402 CK_63...

  • Page 80: Panel Circuit

    SCHEMATIC DIAGRAM - 6 :+B SIGNAL LINE :-B SIGNAL LINE Q601-Q603,Q607 Q651 Q652 Q653 RVTDTA143XST RELAY DRIVE Q651-Q653 -0.09V -9.43V -9.43V -9.37V RVTDTA143XST -0.17V RELAY DRIVE CONTROL R623 Q601 Q602 R640 Q603 Q607 6.8K 6.8K -0.25V -0.26V -0.26V -0.27V -0.26V -7.58V 4.74V 4.09V...
  • Page 81 MC-Service SCHEMATIC DIAGRAM - 7 :+B SIGNAL LINE :-B SIGNAL LINE :MAIN SIGNAL LINE RL602 R617 R616 JK601 W601 W612 RL601 L CH D612 RVD1SS133TA R791 FRONT SPEAKERS RL605 W611 R792 R CH L CH W602 FRONT D611 SPEAKERS R793 D615 R794 R CH...
  • Page 82 SCHEMATIC DIAGRAM - 3 :+B SIGNAL LINE :-B SIGNAL LINE : MAIN SIGNAL LINE PANEL CIRCUIT FRONT VCR3 INPUT MAIN CIRCUIT (CN902)ON MAIN CIRCUIT (CN505)ON MAIN CIRCUIT (CN504)ON CIRCUIT (W352)ON SCHEMATIC DIAGRAM-6 SCHEMATIC DIAGRAM-6 SCHEMATIC DIAGRAM-6 SCHEMATIC DIAGRAM-8 CP505 CP504 CP902 CN352 D903...
  • Page 83 SCHEMATIC DIAGRAM - 4 MC-Service :+B SIGNAL LINE :-B SIGNAL LINE MAIN CIRCUIT (CN901B)ON SCHEMATIC DIAGRAM-6 CN901A 2 8 2 7 26 25 24 23 22 21 20 19 18 17 16 15 14 13 11 10 FL901 RSL0303-F R918 R917 100K 100K...
  • Page 84 MC-Service...
  • Page 85 MC-Service...
  • Page 86 MC-Service...
  • Page 87 MC-Service POWER P.C.B. (REP3021A-P) BLUE C754 C753 D756 C757 J224 C755 R755 RL751 C751 Z751 WHITE BLACK R751 J898 J899 C741 D744 D743 D742 D741 F3 125V 8A W702 FC705 FC706 TRANSFORMER P.C.B. (REP3019A-M)
  • Page 88 TONE P.C.B. (REP3020A-S) W906 D933 5 6 7 IC505 R529 VR901 R530 BALANCE CONTROL CP904 J209 D934 R946 R947 J208 J365 J203 DIGITAL TAPE_MONITOR J206 R522 R521 VR504 VR503 VR502 W506 BALANCE TREBLE BASS PHONO P.C.B. (REP3020A-S) TUNER MODULE P.C.B. (RAN0001MM) CP101 R467...
  • Page 89 MC-Service DIGITAL IN C1310 CN1002B R1303 JK1303 R1309 Z1307 Z1305 L1301 Z1306 J314 J313 R1940 C1307 Z1303 R1201 R1307 Z1304 R1209 E1301 C1314 R1203 R1308 JK1302 R1211 J315 C1241 J316 C1909 R1933 C1304 R1304 R1305 J305 C1315 R1210 JK1301 C1210 R1934 R1310 C1302...
  • Page 90 MC-Service SURROUND P.C.B. (REP3021A-P) CN702 C1313 CN1001B C1272 J106 C1271 J182 Z1301 R1265 C1263 R1263 Z1302 C1269 C1267 C1912 C1702 C1245 IC1206 C1268 J152 C1270 C1910 J153 J156 R1909 R1266 C1265 IC1208 C1264 R1269 J377 J378 IC1211 J150 R1906 J155 C1903 J151 IC1207...

  • Page 91: Front Speaker

    SPEAKER TERMINAL P.C.B. (REP3021A-P) FRONT SPEAKER JK601 RL601 J438 R791 CN601 R792 POWER AMP P.C.B. (REP3019A-M) IC651 BROWN J796 C647 C660 J795 W613_ C655 C642 D653 R686 R642 R689 R690 J999 R677 R650 J799 C650 D654 R678 R641 W603...
  • Page 92 MC-Service CN905B CN905A J212 R907 C919 J106 R911 J104 J103 J312 CF901 C928 R953 R912 J112 IC901 R914 R913 R916 J105 J110 CP902 R918 R917 J113 J116...
  • Page 93 MC-Service PANEL P.C.B. (REP3020A-S) J141 J128 CN906B CN906A RL504 J129 J348 5 6 7 J159 J347 J132 J138 J127 Q502 J344 RL502 J343 2 3 4 5 6 7 8 9 5 6 7 5 6 7 J133 CP501 R563 J143 C588 J144...
  • Page 94 J309 CP1202 CP1201 CP1203 W103 J310 J315 J916 J638 J613 J623 J612 J624 J312 J805 J308 Q614 CP402 CP403 CP401 C662 R604 R645 R654 J902 L602 R685 C654 L605 C665 W613 C604 J636 R660 6 7 8 9 11 12 13 14 16 17 18 19 R610 J816...
  • Page 95 MC-Service MAIN P.C.B. (REP3019A-M) CP1204 CP1203 J329 J113 J310 J328 J327 J326 J618 J916 W102 J613 J324 J612 J325 C641 C652 C602 J312 D619 C651 D626 J815 D625 J812 Q614 J811 J810 D652 Q772 CP403 J809 J827 J808 D616 J301 R773 J304 J807...
  • Page 96 MC-Service INPUT SELECTOR P.C.B. (REP3021A-P) R401 JK402 J230 R403 CN354 R405 R425 CP351 J411 R402 J410 J442 C407 R404 C409 R406 C405 J196 J188 C411 R433 J201 R431 JK403 R407 IC402 J385 J416 J389 IC401 C410 R411 CP353 R409 C444 J382 C412 R408...
  • Page 97 VOLUME P.C.B. (REP3021A-P) J216 CP451 C485 R546 R545 J220 R483 C553 R547 J429 C486 R553 C543 R484 C545 J202 R552 C487 IC501 J209 R542 J430 L501 L502 R502 J213 J207 R544 R541 J428 J215 C544 J427 R543 J214 J426 J208 J204 J206 R556...
  • Page 98 FRONT VCR3 INPUT P.C.B. S-VIDEO P.C.B. (REP3020A-S) (REP3020A-S) JK301 9 10 11 12 13 R422 R422 C442 C442 J356 J356 J167 IC301 J357 J357 C441 C441 J358 J358 J200 J200 W355 W355 W351 W351 R310 R421 R421 J359 J359 R423 R423 W353 W353...
  • Page 99 MC-Service DTS MODULE P.C.B (REP2703E-T) C1027 C1040 X1001 C1003 IC1006 C1026 C1024 C1036 R1024 C1009 IC1003 C1032 IC1005 R1023 C1034 C1039 C1005 C1025 IC1001 IC1004 Q1001 C1042 8 1 0 R1025 C1043 29 30 R1028 C1029 C1030 C1031 C1008 C1001 IC1002 IC1011 C1015...
  • Page 100 AC IN/OUT P.C.B. (REP3021A-P) L701 JK791 (BLACK) J221 J222 (WHITE) JK792 (BLUE) AC IN AC OUTLET 120V-60HZ LED1 P.C.B. EARTH TERMINAL P.C.B. (REP3020A-S) (REP3020A-S) W355 CN903 D931 E351 LED2 P.C.B. (REP3020A-S) CN904 D932 4 3 2...
  • Page 101 M38B57MCA242 (80p) RSN313H25-P BA6218 TC9459F AN6558F BU2090A M38B57M6154F (80p) NJM2115D NJM2296D CS4226-KQG (44p) NJM4580DD NJM4580EDTE1 SN74LV244APW (20p) NJM2279D TC9162AN PQ30RV11 CS49326-CLR SNAHC1U04DBV SN74HCT244PW (20p) TC9163AN SN74HCU04APW (8p) No. 1 2SA1534AQRTA 2SK2880CTA 2SB621AQSTA CS4341-KSRC (16p) 2SD1915FTA 2SB1548PQAU 2SC3940AQSTA 2SC1845FTA 2SD2374PQAU SLR325MCT31 2SA933SSTA RVTDTC143XST 1N5402BM21...
  • Page 102 FROM IC901 IC404 IC401 NJM4580EDTE1 IC503 TC9163AN NJM4580EDTE1 DVD LCH INPUT SIGNAL SELECTOR BUFFER TONE TUNER MODULE VR501(L) Q401 IC451 AN6558F RELAY RL401 DRIVE PHONO VR502 PHONO EQ AMP (BALANCE) AOUTA 4(5) LRCK S301 TV IN IC1011 IC402 CS4341-KSRC NJM4580EDTE1 (12) SCLK BUFFER...

  • Page 103: Logic Control

    (24) (OPTICAL) IC1201 NJM4580EDTE1 DIGITAL (OPTICAL) (22) BUFFER A OUT1(2) (OPTICAL) IC1002 CS4226-KQG IC1204 DIR/DAC/VOL NJM4580EDTE1 IC1206(1207) A OUT5 NJM2115D BUFFER (13) BUFFER AIN1L A OUT6 (AIN1R) (12) AIN2L (AIN2R) X1001 (12.288MHz) IC1006 Q1001 IC1005 SNAHC1U04DBV SN74HCU04APW POWER INVERTER SUPPLY LOGIC CONTROL IC1003 SN74LV244APW...
  • Page 104 21(8) 10(19) X6-1 20(9) IC406 DVD C NJM4580EDTE1 BUFFER 23(6) 22(7) DVD SW 24(5) X2-2 IC1205 X1-1 IC1202 NJM4580EDTE1 NJM4580EDTE1 BUFFER X2-1 MIXER X1-2 SW CONT. IC403 TC9162AN SIGNAL SELECTOR IC1203 NJM4580EDTE1 BUFFER VR501 (VR_PS) IC1901 M38B57M6154F SYSTEM CONTROL Q1901 Q1902,D1901 RESET RESET...

  • Page 105: Sound Controller

    Q501 DPASS RELAY DRIVE VR502 IC506 IC1208 (BALANCE) NJM4580DD NJM4580EDTE1 RL501 BUFFER TONE LOUT (D/A) IC1211 Q507,Q508 TC9459F IC505 (Q509,Q510) SOUND CONTROLLER NJM4580DD MAIN_LIN RL502 MUTING (VOLUME) TONE (VGCA) (21) L ch IN VR503 VR504 (Rch IN) (BASS) (TREBLE) Q502 RELAY DRIVE Q503...
  • Page 106 VGCA MMD_CTRL VCR1 IN IC301 NJM2279D VIDEO SELECTOR TV/MONITOR OUT MC-Service IC302 NJM2279D VIDEO SELECTOR IC501 BA6218 MOTOR DRIVER Q903 POWER SUPPLY D302 2,5, 4~7, Drive D301 9~15 Q0~11 Direction select IC902 BU2090A I/O EXPANDER DATA MAIN_CIN DPASS VGCA IC901 M38B57MCA242 SYSTEM CONTROL/FL DRIVE MMD_CTRL...
  • Page 107 +Vcc Hi +Vcc Hi -VHout -VHout H.P.F -IN 1ch Out 1ch -IN 1ch Out 1ch DC Det L.P.F DC Det -IN 2ch Out 2ch -IN 2ch Out 2ch +IN Gnd Over Det +IN Gnd L.P.F Over Det D652 -VHout IH Det -VHout IH Det -Vcc Hi...

  • Page 108: Signal Lines

    Q1681 HP601 R ch (Q1682) HEADPHONES SPEAKER AMUTE MUTING FRONT Q606 Q607 RL605 SPEAKER(B) RELAY SIGNAL DRIVE FRONT Q601 RL601 SPEAKER(A) SP A RELAY DRIVE H.P.F OVER DET Q602 RL602 SP B RELAY DRIVE SURROUND SPEAKER Q603 RL603 Q653 S/C SP RELAY DRIVE RELAY...
  • Page 109 SCHEMATIC DIAGRAM - 13 DTS CIRCUIT : +B SIGNAL LINE 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...
  • Page 110 SCHEMATIC DIAGRAM - 14 : MAIN SIGNAL LINE : +B SIGNAL LINE C1042 R1055 1000P R1056 R1042 R1057 C1020 R1058 0.001 R1059 R1003 1K R1006 1K R1005 1K C1053 R1004 1K C1052 2.4V D IN1 A OUT2 C1011 R1068 2.4V D OUT2 A OUT1 6V100...