Sanyo DC-S800 Page 6 Service Manual Download

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TAPE ADJUSTMENTS

2. MOTOR REPLACEMENT AND SPEED ADJUSTMENT

(1) Motor replacement

3. CHECKING THE MECHANISM TORQUES

• Clean the head, capstan and pinch roller before making any measurement.

(2) Motor speed

1. Insert the test tape (MTT-111 or etc. 3,000 Hz) into DECK A.

2. Press the PLAY button.

3. Adjust VR311 so that the frequency counter show a reading

of 3,000

10 Hz.

4. Press the STOP button.

DECK " A & B"

Measureent

Take-up torque

Back tension

Tape tension

Cassette for

PLAY : TW-2111A

Drive-power cassette

measurement

F.FWD/REW : TW-2231

TW-2412

PLAY

25 ~ 63 gr.cm

2.0 ~ 6.0 gr.cm

70 gr or more

F.FWD/REW

60 ~ 120 gr.cm

TAPE SPEED

ADJUSTMENT

VR311

Summary of Contents for DC-S800

Page 1: ...r adjustments 6 Exploded view Cabinet Chassis 7 Tape mechanism 15 CD changer mechanism 16 CD base mechanism 17 Parts list Cabinet Chassis 8 Tape mechanism 15 CD mechanism 17 IC block diagram description 18 IC Transistor voltages 23 FL display description 24 Schematic diagram TUNER 26 AMPLIFIER 28 FRONT 34 CD 38 DECK 42 Wiring diagram TUNER AMPLIFIER 30 POWER TRANSFORMER 32 HEADPHONE LED REGULATOR ...

Page 2: ...M Frequency range 87 5 MHz 108 MHz MW Frequency range 522 kHz 1611 kHz LW Frequency range 144 kHz 288 kHz Cassette deck section Track system 4 track 2 channel stereo Frequency response 120 Hz 14 kHz Signal to noise ratio 48 dB Wow and Flutter 0 12 WRMS Fast forward Rewind time Approx 110 sec C 60 CD changer section Type Changer 3 disc Channels 2 channel stereo Sampling frequency 44 1 kHz Pick up O...

Page 3: ...ting service mode entry status press the TUNING UP button to enter this service mode 2 FL and LED turns on order when enter this mode 3 When every indication turns on become on and off light indication 4 Press the POWER button to cancel this mode About pick up Optical lens Cleaning Clean the lens with the specified cleaning disc or moisten a cotton swab with isopropyl alcohol and cleaning paper Sp...

Page 4: ...balance adjustment mode 5 Confirm that the oscilloscope waveform is symmetrical on the top and bottom in relation to 0V VC 2 Checking the eye pattern 1 Switch ON the POWER 2 Connect an oscilloscope to TP4 RF and TP1 VC 3 Load the test disc 4 Press the PLAY button 5 Check to be sure that the eye pattern is at the center of waveform and that the diamond shape is clearly defined 6 Press the STOP butt...

Page 5: ... voltmeter SPEAKER TERMINAL HEAD AZIMUTH Max DECK B 10KHz SCREW c MOTOR SPEED MTT 111 FREQUENCY SPEAKER TERMINAL VR311 3 000Hz NORMAL 3 000Hz COUNTER After making the adjustment secure the azimuth adjustment screw by applying screw lock TB 1401B 2 Head azimuth DECK A 1 Load a test tape VTT 738 etc 10kHz for azimuth adjustment 2 Press the PLAY button 3 Use a flat tip screwdriver to turn the screw f...

Page 6: ...ape MTT 111 or etc 3 000 Hz into DECK A 2 Press the PLAY button 3 Adjust VR311 so that the frequency counter show a reading of 3 000 10 Hz 4 Press the STOP button DECK A B Measureent Take up torque Back tension Tape tension Cassette for PLAY TW 2111A PLAY TW 2111A Drive power cassette measurement F FWD REW TW 2231 TW 2412 PLAY 25 63 gr cm 2 0 6 0 gr cm 70 gr or more F FWD REW 60 120 gr cm TAPE SPE...

Page 7: ...osition 1 Cover Connect Digital DC voltmeter to 87 5 MHZ Low more than 0 9V voltage TP11 H TP12 E 108 0 MHZ High less than 9 0V 2 Cover Connect FM SG to FM Antenn Connect to VTVM 90 0 MHZ Low voltage SG 8dBμV TP25 L or TP26 R TP27 E 106 0 MHZ High 2 AM Step Adjusting Connection SG Set Adjustment Remark Circuit Input Output Frequency Position MW Cover Connect Digital DC voltmeter to 522 kHZ Low L21...

Page 8: ...6 Y11 Y12 Y13 9 1 7 8 10 11 12 15 15 13 13 14 42 42 45 43 54 44 46 Y11 Y12 Y15 Y13 Y14 Y15 Y02 Y02 Y02 Y03 Y03 Y03 Y25 Y24 Y25 Y28 Y27 Y26 Y10 Y10 Y04 Y05 Y04 Y01 Y01 Y01 75 71 72 78 80 81 79 63 61 Y23 Y23 76 77 62 51 2 3 4 5 6 16 17 18 19 21 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 39 38 40 41 47 73 74 Y07 Y08 Y06 Y09 55 ...

Page 9: ...8 7069 BUTTON POWER 18 614 308 7076 BUTTON CD OPEN 20 614 308 7106 BUTTON CLOCK 21 614 308 7137 BUTTON REC 22 614 308 7168 BUTTON FUNCTION 23 614 310 3820 BUTTON TAPE AUTO REVERSE 24 614 308 7090 BUTTON BASS 25 614 308 7243 DEC WINDOW BASS 26 614 308 7489 REFLECTOR BASS 27 614 308 7472 REFLECTOR SOUND 28 614 308 7519 REFLECTOR CD 29 614 308 7502 REFLECTOR DISC 30 614 308 7298 DEC WINDOW CD REW 31 ...

Page 10: ...321 614 303 6647 CORD 6P CONNECTOR A_MECHA or 614 308 0336 CORD 6P CONNECTOR A_MECHA CN323 614 303 6654 CORD 7P CONNECTOR B_MECHA or 614 308 0343 CORD 7P CONNECTOR B_MECHA REF NO PART NO DESCRIPTION CN371 645 005 7373 PLUG 3P or 645 007 0068 PLUG 3P CN372 645 005 8127 PLUG 6P or 645 007 0099 PLUG 6P CN373 645 005 8226 PLUG 3P or 645 009 6433 PLUG 3P CN374 614 305 6317 CORD 1P CONNECTOR D3101 407 1...

Page 11: ...PASS_LED D6208 408 037 4204 LED SLP 3118B 51HAB T1 BASS_PASS_LED D6210 408 037 4204 LED SLP 3118B 51HAB T1 BASS_PASS_LED D6212 408 037 4204 LED SLP 3118B 51HAB T1 BASS_PASS_LED D6214 408 039 4400 LED SLZ 981B 09H AB T1 SOUND_PRESET_LED D6216 408 039 4400 LED SLZ 981B 09H AB T1 SOUND_PRESET_LED D6217 408 039 4400 LED SLZ 981B 09H AB T1 SOUND_PRESET_LED D6301 408 043 2607 LED SLZ 336A 14H AB T2 DISC...

Page 12: ...TACT or 645 006 5958 SWITCH PUSH 1P 1T or 614 220 5471 SWITCH TACT REF NO PART NO DESCRIPTION S6115 614 240 1002 SWITCH TACT or 645 006 5958 SWITCH PUSH 1P 1T or 614 220 5471 SWITCH TACT S6116 614 240 1002 SWITCH TACT or 645 006 5958 SWITCH PUSH 1P 1T or 614 220 5471 SWITCH TACT S6117 614 240 1002 SWITCH TACT or 645 006 5958 SWITCH PUSH 1P 1T or 614 220 5471 SWITCH TACT S6118 614 240 1002 SWITCH T...

Page 13: ...OARD ASSY REF NO PART NO DESCRIPTION 77 614 312 2784 ASSY PWB PT2 Only Initial C4936 403 329 6201 ELECT 2200U M 35V C4937 403 329 6201 ELECT 2200U M 35V C4938 403 062 6506 POLYESTER 0 056U J 50V CN493 645 006 0915 PLUG 4P or 645 009 6440 PLUG 4P CN495 645 023 4378 SOCKET 7P CN497 614 035 4928 SOCKET DIP 3P or 614 237 9769 SOCKET D4930 407 196 5800 DIODE 1N5402BD82 D4931 407 196 5800 DIODE 1N5402BD...

Page 14: ...770 SOCKET CN423 614 035 4935 SOCKET DIP 4P or 614 237 9776 SOCKET REF NO PART NO DESCRIPTION CN452 614 249 8613 SOCKET VIDEO CN454 645 012 5089 SOCKET FPC 10P or 645 005 4181 SOCKET 10P CN455 645 032 5816 SOCKET 22P CN460 614 308 0312 CORD 7P CONNECTOR AMP CD or 614 302 6396 CORD 7P CONNECTOR AMP CD CN470 645 033 3071 TERMINAL SPEAKER CN489 614 310 6883 ASSY WIRE AMP SUB CN490 614 310 6890 ASSY W...

Page 15: ...141 3208 TR KTC3198 Y or 405 020 7402 TR 2SC945A P or 405 020 7204 TR 2SC945A K or 405 012 2002 TR 2SC1815 GR REF NO PART NO DESCRIPTION Q4431 405 141 3406 TR KTA1266 GR or 405 141 3505 TR KTA1266 Y or 405 005 2002 TR 2SA733 P or 405 005 1906 TR 2SA733 K or 405 004 4502 TR 2SA608 F NP or 405 004 5004 TR 2SA608 G NP Q4432 405 141 3307 TR KTC3198 GR or 405 141 3208 TR KTC3198 Y or 405 020 7402 TR 2S...

Page 16: ...1 0502 RESISTOR 330 J 3W R4716 402 081 1103 FUSIBLE RES 100 JA 1 4W R4717 402 081 1103 FUSIBLE RES 100 JA 1 4W R4718 402 081 0403 RESISTOR 4 7 J 2W R4750 614 241 3449 RESISTOR 0 22 K 5W R4806 402 081 0403 RESISTOR 4 7 J 2W R4807 402 081 0502 RESISTOR 330 J 3W R4818 402 081 0403 RESISTOR 4 7 J 2W R4850 614 241 3449 RESISTOR 0 22 K 5W R4920 402 081 1103 FUSIBLE RES 100 JA 1 4W R4940 402 081 8904 RES...

Page 17: ... CM38 CM45 CM60 CM47 CM39 CM40 CM36 CM46 CM44 CM60 CM31 CM30 CM25 CM29 CM66 CM66 CM61 CM61 CM49 CM48 CM05 CM37 CM51 CM06 CM09 CM01 CM65 CM65 CM65 CM64 CD BASE MECHANISM CM64 CM28 CM26 CM24 CM16 CM15 CM27 CM35 CM11 CM18 CM10 CM67 CM65 CM07 CM08 CM19 CM19 CM19 CM19 CM17 CM61 CM62 CM62 CM62 CM62 CM63 CM63 A B B A CM12 CM13 CM02 ...

Page 18: ... ASSY CRG 201 CM14 645 041 2431 ASSY CRG 301 CM15 645 033 5877 INSULATER CM16 645 033 5884 INSULATER CM17 645 033 5907 CUSHION CM18 645 033 6324 BEVEL GEAR 4 CM19 645 033 5990 ASSY GEAR STAR CARRIAGE LIFT GEAR CM23 645 033 6089 COVER 2 CM24 645 033 6539 SHAFT CM25 645 033 6461 SLIDER 4 CM26 645 033 6201 GEAR SPLINE CM27 645 033 6232 BEVEL GEAR 1 CM28 645 033 6270 GEAR IDLER 1 CM29 645 033 6102 PLA...

Page 19: ...L I 32 JP I Input Pin for Tracking Jump Signal from Digital 33 JP I Signal Processor No Pin Name I O Function 34 TGL I Input Pin for Tracking Gain Control Signal from Digital Signal Processor TGL H Gain Low 35 TOFF I Input Pin for Tracking Off Control Signal from Digital Signal Processor TOFF H OFF 36 TES O Output Pin for Track Error Sense Signal to Digital Signal Processor 37 HFL I High Frequency...

Page 20: ... 8 VSS Ground for Digital 9 EFMO O EFM signal output terminal for slice level control 10 EFMIN I EFM signal input terminal for slice level control 11 TEST2 I TEST pin Normal time is non connection 12 CLV O Output terminal for Disc motor control 13 CLV O Output terminal for Disc motor control 14 V P O Change of rough servo phase control Rough servo H Phase control L 15 HFL I Input terminal of track...

Page 21: ...M FM IF Amplifier FM MPX IC245 LC72121M PLL Synthesizer IC BLOCK DIAGRAM DESCRIPTION 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VSS DATA CLOCK Q0 Q1 Q2 Q3 Q5 Q6 Q7 Q8 Q9 Q10 VDD CONTROL CURCUIT Q11 Q4 12 BIT SHIFT RESISTOR LATCH OUTPUT BUFFER OPEN DLAIN IC361 BU2090F 12bit Serial Parallel Converter IC362 TC4011BF NAND Gate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VDD A4 B4 X4 X3 B3 A3 X1 X2 A1 B1 B2 A2 VSS No...

Page 22: ...ID LED OUTPUT L ON 15 Q11 LED_18 BASS_LOW LED OUTPUT L ON 16 VDD VDD Power supply No Pin Name Port Name Function 1 VSS VSS Ground 2 DATA D OUT Data input 3 CLOCK EX2_CLK Clock input 4 Q0 Not used 5 Q1 SUR_3 Output for Surround LSI control 6 Q2 SUR_2 Output for Surround LSI control 7 Q3 SUR_1 Output for Surround LSI control 8 Q4 LED_0 Not used 9 Q5 LED_1 DISC_3 LED OUTPUT L ON 10 Q6 LED_2 CD STOP K...

Page 23: ...16 O FL Segment output 51 VP FL drive output power No Name I O Function 52 Seg1 O FL Segment output 53 Seg2 O FL Segment output 54 Seg3 O FL Segment output 55 Seg4 O FL Segment output 56 Seg5 O FL Segment output 57 Seg6 O FL Segment output 58 Seg7 O FL Segment output 59 Seg15 O FL Segment output 60 Seg14 O FL Segment output 61 Seg13 O FL Segment output 62 Seg12 O FL Segment output 63 Seg11 O FL Se...

Page 24: ... 0 5 0 0 0 2 4 5 0 5 0 4 9 1 5 0 0 1 8 0 0 STOP 4 9 4 9 4 9 0 0 2 4 0 4 9 4 8 2 4 0 0 2 4 0 4 9 Pin No 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 PLAY 2 4 0 0 0 0 5 2 2 1 0 0 2 1 5 2 0 5 0 2 0 2 0 STOP 2 4 0 0 0 4 9 5 2 2 1 0 0 2 1 5 2 4 9 4 9 2 0 2 0 Pin No 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 PLAY 0 0 1 0 0 1 0 0 9 2 5 0 9 0 0 0 4 5 4 8 0 2 2 STOP 0 0 1 2 2 0 2 5 1 3 2 5 0 0 0 4 8 4 8 ...

Page 25: ... S9 S6 S3 S13 S10 S7 S4 S1 S14 S11 S8 S5 S2 S15 S12 S9 S6 S3 S13 S10 S7 S4 S1 S14 S11 S8 S5 S2 S15 S11 S5 S5 S3 S12 S9 S6 S3 S13 S10 S7 S4 S1 S15 S12 S9 S6 S3 S14 S11 S8 S5 S2 S13 S10 S7 S4 S1 S19 S18 S17 S16 S15 S19 S18 S17 S16 S15 S19 S18 S17 S16 S15 S20 S4 S1 S3 S6 S7 S11 S12 S10 S13 S14 S15 S15 S15 S9 S8 S2 S5 ...

Page 26: ...S14 STEREO MEMO G13 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 1 ALL CONT REPEAT G14 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 G15 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 G16 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 TIMER KARAOKE DOLBY DIGITAL RANDOM CONDITION COMPU LINE Pin No Assignment 1 2 3 4 5 6 7 8 ...

Page 27: ... 27 26 SCHEMATIC DIAGRAM TUNER This is a basic schematic diagram ...

Page 28: ...ance When replacing a component identified by use only the replacement parts designated or parts with the same ratings of resistance wattage or voltage that are designated in the parts list in this manual Leakage current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before returning the product to the customer SCHEMATIC DIA...

Page 29: ... 33 WIRING DIAGRAM HEADPHONE LED REGULATOR HEADPHONE P W B LED P W B REGULATOR P W B ...

Page 30: ... 35 34 SCHEMATIC DIAGRAM FRONT This is a basic schematic diagram ...

Page 31: ... 39 38 SCHEMATIC DIAGRAM CD This is a basic schematic diagram ...

Page 32: ... 43 42 SCHEMATIC DIAGRAM DECK This is a basic schematic diagram ...

Page 33: ... 20P CN470 SPEAKERS OUT 6 ohm MIN CN452 VIDEO DVD IN CN201 ANT IN L CH SPEAKER BOX R CH SPEAKER BOX AM LOOP ANTENNA EXT ANT FM 75 ohm JW101 CD P W B SPINDLE SLED MOTOR P W B STANDBY LED P W B TUNER AMP P W B CN602 4P CN604 12P CN607 2P CN603 20P CN601 22P FL601 FRONT P W B CN493 4P CN497 3P CN425 3P CN495 7P FU499 T2A L 250V JW37 RE CN337 RE CN335 BL CN336 BW CN432 4P CN168 3P CN338 BW JW38 BW P T...

Page 34: ... 31 30 WIRING DIAGRAM TUNER AMPLIFIER ...

Page 35: ... 32 WIRING DIAGRAM POWER TRANSFORMER POWER TRANSFORMER SECONDARY P W B POWER TRANSFORMER PRIMARY P W B ...

Page 36: ... 37 36 WIRING DIAGRAM FRONT ...

Page 37: ... 40 WIRING DIAGRAM CD ...

Page 38: ... 41 WIRING DIAGRAM DECK ...

Page 39: ... 41 WIRING DIAGRAM DECK ...

Page 40: ... 44 WIRING DIAGRAM OPTICAL DIGITAL OUT SUB TRANS OPTICAL DIGITAL OUT P W B SUB TRANS P W B ...

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