Sanyo DC-DA2000 Service Manual Download Page 10

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IC BLOCK DIAGRAM & DESCRIPTION

IC103 MM1469XH (CD Driver)

IC211 LA1186N-AUDIO (FM Front End)

Vcc

DRIVER MUTE

D.BUF

l shift

T.S.D

Vref

BUFFER

MIX

REG

OSC

RF IN

GND

IF OUT

Vcc

DET

LEVEL

DET

S-CURVE

AM/FM

BUFF

REG

GND

COMP

TUNING

DRIVE

DET

VCC

AGC

PILOT

CANCEL

PILOT

DET

DECODER

ANTI-BIRDIE

STEREO

38k

19k

VCO

304kHz

RF.AMP

MIX

OSC

ALC

BUFF

P-DET

19k

IC231 LA1844ML ( Tuner System)

Summary of Contents for DC-DA2000

Page 1: ...s Laser beam safety precaution 1 Tape adjustments 1 Tuner adjustments 2 CD pick up maintenance 2 Exploded view Cabinet Chassis 3 Parts list Cabinet Chassis 4 Exploded view Parts list Tape mechanism 7 IC block diagram description 8 LCD display description 13 Schematic diagram FRONT 14 CD 16 AMPLIFIER 20 TUNER 22 Wiring diagram FRONT CD 18 AMPLIFIER TUNER 24 POWER TRANSFORMER 26 Wiring connection 27...

Page 2: ...lean the heads before attempting to make any adjustment Be sure both channels 1 and 2 are the same level Using a dual channel oscilloscope Be sure both channel s waveform are same for the phase matching After completion of the adjustment use the threadlock TB 1401B to secure the azimuth adjustment screws 1 Remove the cover deck as Fig 1 2 Load a test tape VTT 738 etc 10kHz in the Deck 3 Press the ...

Page 3: ...5 C2328 C2327 C2307C2317 T2002 J2501 C2303 J2601 J2509 J2606 J2605 J2604 J2120 J2603 J2112 C2901 D2451 TDI TCLK T DOUT TCE D2151 J2600 D2456 C2116 XF231 5 6V L_CH R_CH 9 0V GND J2500 J2122 J2502 J2118 R2109 VT J2503 CN202 CN201 S2001 XF211 IC211 J2124 J2123 C2306 J2119 J2121 J2100 L2104 D2102 L2103 C2311 C2313 J2113 J2114 J2504 J2117 J2127 J2126 J2125 J2102 J2103 J2104 J2116 J2107 D2452 C2452 J211...

Page 4: ...ET CHASSIS 16 Y03 Y05 Y01 Y06 Y11 Y9 Y13 Y14 Y15 Y15 Y16 Y16 Y17 Y18 Y10 Y10 Y12 Y03 Y04 Y03 Y03 Y02 Y07 Y08 Y08 Y07 15 1 2 3 4 5 6 7 10 9 11 71 73 74 72 8 26 27 25 20 18 19 21 22 23 24 12 13 14 15 17 51 53 54 57 56 58 52 55 ...

Page 5: ...ATION 11 KEYS 12 614 319 6945 BUTTON RIGHT 4 KEYS 13 614 325 7974 BUTTON POWER 14 614 325 8025 REFLECTOR STANDBY LED 15 614 310 3899 SPACER MECHA MTG CD DA11 16 614 307 2072 COVER PICK UP 17 614 319 7119 MOUNTING CD 18 614 322 2125 ASSY GEAR LID CD 19 614 303 0263 LATCH PUSH CD DOOR LOCKING 20 614 319 7201 SPRING WIRE DOOR CD 21 614 307 8821 PULLEY 22 614 303 0256 LATCH MAGNET 23 614 319 7102 LID ...

Page 6: ... 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT S6215 645 006 5958 SWITCH PUSH 1P 1T or 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT S6216 645 006 5958 SWITCH PUSH 1P 1T or 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT S6217 645 006 5958 SWITCH PUSH 1P 1T or 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT SE601 407 217 1101 PHOTO DIODE SPS 442 1G X6102 645 018 6103 OSC CE...

Page 7: ...05 143 0007 TR KRC107M Q4751 405 151 4400 TR KTD1303 or 405 021 0204 TR 2SD1012 F SPA or 405 021 0600 TR 2SD1012 G SPA or 405 033 6706 TR 2SD1468S R or 405 033 6805 TR 2SD1468S S Q4800 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M Q4801 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M Q4851 405 033 6706 TR 2SD1468S R or 405 033 6805 TR 2SD1468S S or 405 021 0600 TR 2SD1012 G SPA or 405 02...

Page 8: ...service parts TAPE MECHANISM REF NO PART NO DESCRIPTION 614 320 4213 ASSY MECHA TM DA280TN SH TM01 645 052 2888 RP HEAD C 9142 BD 1025 TM02 645 010 9447 PINCH ROLLER F ASSY TM03 645 045 1959 RF BELT TM04 645 052 4158 MAIN BELT TM05 645 045 2048 DETECT SWITCH MXS01190 TM06 645 052 2864 ASSY MOTOR ...

Page 9: ... SL SLD SLEQ SPD SP SPG SPI SP AGND FE FE FA FA FD FD TO JP TD TD TA TH SCH TESI TE TE TB F E FIN1 FIN2 APC RF DET REF VCA I V BAL VCA INTER FACE SLC RF Amp TE T SERVO T LOGIC F SERVO F LOGICK SPINDLE SERVO SLED SERVO IC446 NJM78L05A Stabilized Power Supply Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 Q9 Q10 Q11 Q12 Q13 Q14 Q15 1 2 3 VI Vo GND IC442 TA8229K Po...

Page 10: ...UF Level shift Level shift Level shift Level shift T S D Vref BUFFER RF MIX REG OSC RF IN GND IF OUT Vcc 1 2 3 4 5 6 7 8 9 FM IF FM DET LEVEL DET S CURVE AM FM IF BUFF REG GND COMP TUNING DRIVE AM IF AM DET VCC AGC PILOT CANCEL PILOT DET DECODER ANTI BIRDIE STEREO SW FF 38k FF 19k VCO 304kHz AM RF AMP AM MIX AM OSC ALC BUFF P DET FF 19k 2 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14...

Page 11: ...REGISTER LATCH 1 2 CCB I F POWER ON RESET IC241 LC72121M D Pll Synthesizer IC440 AN7348K Play Rec Pre Amp Nor Cro Hi Lo Logic R R P R P P ALC Mute Mute Logic A B Logic Rec PB Ripple Rejection Rec Amp L Rec Amp R PB Amp L PB Amp R A Rec A Rec B B 1 2 3 4 5 7 6 8 9 10 12 11 13 14 15 16 17 18 19 20 21 22 23 24 L PB AMP R PB AMP R PB NF R PB EO R PB OUT AB SW R REC OUT R REC IN REC PB SW A B SW FILTER...

Page 12: ...S8 to S13 PB S16 to S23 PC S24 to S31 PD S32 to S39 PE S40 to S47 PF COM0 to COM PL INT0 to3 Noise rejection filter Stack pointer Port 0 Watch dog timer CONTROL CIRCUIT LOGIC CIRCUIT CCB INTERFACE CONTROL CIRCUIT 15 14 16 17 18 19 20 21 22 24 25 26 23 10 9 7 6 5 8 11 L4 L3 L2 L1 NC NC R1 R2 R3 R4 RSELO RIN RTRE RBASS1 RBASS2 ROUT LSELO LIN LTRE LBASS1 LBASS2 LOUT TEST VSS CE DI CL VDD Vref NC 12 1...

Page 13: ...t output port Data direction can be specified for each bit 6 bits input port Other functions P70 INT0 input HOLD release input Nch Tr output for watchdog timer P71 INT1 input HOLD release input P72 INT2 input timer 0 event input P73 INT3 input with noise rejection filter timer 0 event input Interrupt receiver format vecter address P74 XT1 X tal oscillation pin P75 XT2 X tal oscillation pin Pin Nam...

Page 14: ...6 S17 S18 S19 S20 S21 S22 S23 S24 S25 COM1 COM1 7A 7B T8 6A 6B JAZZ T1 5 T5 4A 4B 4h 3A 3B 3h 2A 2B 2h REV PLAY 1A 1B 1h T2 POP ROCK COM2 COM2 7F 7G 7C 6F 6G 6C MHZ PROG T6 4F 4G 4C 3F 3G 3C 2F 2G 2C T9 1F 1G 1C T10 T11 COM3 COM3 7E 7D CH 6E 6D TR kHZ REC ST 4E 4D SURR 3E 3D BASS 2E 2D CLASSIC FWD PLAY 1E 1D T4 T3 T7 A G B F D DIGIT 2 DIGIT 1 3 4 28 1 C E H A G B F D C E LCD60 ...

Page 15: ...24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 3 2 1 1 2 3 5 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 3 4 5 11 20 21 99 93 88 85 83 74 73 28 83 79 21 20 84 85 55 58 59 61 62 63 64 65 ...

Page 16: ...37 36 35 34 33 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CD_L CD_R DRF WRQ RWC SQOUT COIN CQCK A GND RWC DRF COIN SQOUT A GND CQCK WRQ CD_L RESET REST CD_R SLED SLED D MUTE FSX CONT...

Page 17: ...1783 C1773 J1718 J1614 D1482 J1600 J1715 J1615 MM1469XH J1810 J1708 IC103 TO_TAPE_MECHA JW101 J1818 J1819 J1610 J1817 J1828 J1825 J1612 J1613 J1716 C1408 VREF J1702 J1823 D1404 D1405 D1403 J1705 J1824 J1820 R6111 R6111 R6112 R6112 C6114 C6114 C6113 C6113 R6275 R6275 C6117 C6117 R6221 R6221 R6222 R6222 R6111 R6112 C6114 C6113 IC601 R6118 R6119 R6120 R6121 C6013 C6011 C6012 C6012 C6210 C6210 C6012 C...

Page 18: ... C4511 R4932 C4970 R4970 C4730 C4830 L4782 L4882 L4781 L4881 L4981 Q4992 Q4993 R4953 Q4995 R4954 IC446 C4993 D4993 C4994 C4997 R4955 R4921 R4822 R4823 R4828 R4829 R4723 R4722 R4728 R4729 L4291 CN422 CN423 FU421 CN216 CN215 C4280 C4281 D4280 D4281 D4283 D4282 C4282 C4283 CN420 3 3K 3 3K 15K 39K 39K 10 50 0 1 470UH 470UH 1 50 4700P 33 0 027 2200P 1K KTC3198 0 039 KTC3198 39K 0 1 100 47 16 39K 68K 47...

Page 19: ...P LC72121M 220 KTC3195 0 01 330 1 5K 1 5K 10 50 10 50 68K 0 047 1K 1K 1K 1SS133 1SS133 100P 100P MTZJ3 0B 1K 100P 1 50 4700P 0 1 39K 4 7 50 36K 0 018 10 50 KRA107M 560P 0 047 10K 22P 1SS133 1SS133 1000P 22 100 3 3K 100P 330P 1SS133 SVC342 MWANT MWOSC 56K 820K 27K 3 3K 220 1M 7 2M 1000P 1SS133 330 10K 0 01 5 6K 5 6K 0 47 50 FM TERMINAL 0 01 LA1186N 0 01 22 0 022 18 SVC211 100K 100P 8 2U 1000P 100K ...

Page 20: ... J2127 J2126 J2125 J2102 J2103 J2104 J2116 J2107 D2452 C2452 J2111 J2110 J2109 J2108 J2106 J2105 J2602 J2508 J2507 D2101 L2102 J2506 D2453 J2101 Q2201 J2115 C2109 C4826 C4826 R4827 R4827 R4833 R4833 R4829 R4829 R4823 R4823 R4828 R4828 R4822 R4822 C4826 C4726 C4726 C4728 C4728 R4721 R4721R4727 R4727 R4722 R4722 R4728 R4728 R4729 R4729 R4723 R4723 C4726 C4728 C4727 R4731 C4827 C4828 R4831 C4553 C455...

Page 21: ...ANSFORMER T2 5A L 250V T002 94V 0 1AD4B10D1780B L4291 FU421 D4280 D4281 CN420 D4283 D4282 CN422 CN223 BW BL T4981 CN216 CN215 C4281 C4281 C4283 C4283 C4282 C4282 C4280 C4280 C4281 C4283 C4282 C4280 This is a basic wiring diagram ...

Page 22: ...16P 9P CN111 16P CN113 6P CN601 28P LCD60 CN400 28P CN445 9P CN440 6P C441 2P CN401 2P CN201 CN202 CN402 2P CN442 CN443 PHONES CN420 2P AM LOOP ANT L CH SPEAKER BOX R CH SPEAKER BOX CD P W B POWER TRANSFORMER P W B FRONT P W B AMPLIFIER TUNER P W B TAPE DECK MECHANISM FM ANT LINE IN FU421 T2 5A L 250V P T T4981 AC IN 230V 50Hz BL BW ...

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