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Sanyo DC-DVD888 Service Manual

Dvd/vcd personal theater system.
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Service Manual
z
/ON
ANGLE A.REPLAY ZOOM
1
2
3
LAST MEMO BOOKMARK AUDIO
SLEEP
4
5
6
CLOCK
TIMER
ADJUST SET/CLEAR
0
7
8
9
FM MODE TITLE
MENU
4
SUB-T
TUNER/BAND
b
ENT
a
REPEAT
ON SCREEN
5
A-B
SET UP
REV SLOW
FWD SLOW
k PAUSE/STEP
PREV
TIME
NEXT
TIME
f
n
e
SET-
+SET
TUNE-
+TUNE
a PLAY
d
c
REV PRESET-
+PRESET FWD
SHIFT RETURN CLEAR
PROG.
FUNCTION SOUND
SEAR.-MODE-PICT.
SURROUND
BASS
- VOLUME +
REMOTE CONTROLLER RB-DAV821
CONTENTS
SPECIFICATIONS ........................................................... 1
WHAT TO DO IF .............................................................. 1
LASER BEAM SAFETY PRECAUTION .......................... 2
DVD MECHANISM REPLACEMENT............................... 2
MECHANISM REPLACEMENT ....................................... 3
MECHANISM OPERATION ............................................. 4
DVD P.W.BOARD OPERATION ...................................... 5
DVD START-UP PROGRAM FLOW CHART .................. 20
......................................................................................... 24
TROUBLE SHOOTING .................................................. 34
VOLTAGE OF IC & TRANSISTOR .................................. 37
TUNER ADJUSTMENTS ................................................. 40
EXPLODED VIEW (CABINET & CHASSIS) ................... 41
PARTS LIST..................................................................... 42
DVD/VCD Personal
Theater System
EXPLODED VIEW (DVD MECHANISM) ........................ 53
PARTS LIST ..................................................................... 53
IC BLOCK DIAGRAM & DESCRIPTION .......................... 54
SCHEMATIC DIAGRAM (MPEG) .................................. 65
WIRING DIAGRAM (MPEG A SIDE) ............................. 66
WIRING DIAGRAM (MPEG B SIDE) ............................. 67
SCHEMATIC DIAGRAM (AMP for SS) .......................... 68
WIRING DIAGRAM (POWER for SS) ............................ 69
WIRING DIAGRAM (PRE-AMP for SS) ......................... 70
SCHEMATIC DIAGRAM (AMP for KR) .......................... 71
WIRING DIAGRAM (POWER for KR) ............................ 72
WIRING DIAGRAM (PRE-AMP for KR) ......................... 73
SCHEMATIC DIAGRAM (TUNER) ................................ 74
WIRING DIAGRAM (TUNER) ......................................... 75
SCHEMATIC DIAGRAM (FRONT) ................................ 76
WIRING DIAGRAM (FRONT) ......................................... 77
SCHEMATIC DIAGRAM (DVD) ..................................... 78
WIRING DIAGRAM (DVD A, B SIDE) ............................. 79
REG for KR, MECHA-SW and MECHA-M) ...................... 80
WIRING CONNECTION .................................................. 81
FILE NO.
DC-DVD888
DC-DAV821
PRODUCT CODE No.
129 603 00 (KR)
129 603 07 (SS)
SM
REFERENCE No.
5810184
(SS)
(KR)

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   Summary of Contents for Sanyo DC-DVD888

  • Page 1: Table Of Contents

    FILE NO. DC-DVD888 (SS) Service Manual DC-DAV821 DVD/VCD Personal (KR) Theater System ANGLE A.REPLAY ZOOM LAST MEMO BOOKMARK AUDIO SLEEP CLOCK TIMER ADJUST SET/CLEAR FM MODE TITLE MENU SUB-T TUNER/BAND REPEAT ON SCREEN SET UP REV SLOW FWD SLOW k PAUSE/STEP...

  • Page 2: Specifications

    SPECIFICATIONS Tuner Power requirements: Reception frequency: AC 220 V, 60 Hz(KR) FM: 87.5 - 108 MHz AC 110 - 120/220 - 240 V, 50/60 Hz(SS) AM: 522 - 1710 kHz (9 kHz step) Power consumption: 520 - 1710 kHz (10 kHz step) 60 W Dimensions: DVD/CD player...

  • Page 3: Laser Beam Safety Precaution

    LASER BEAM SAFETY PRECAUTION CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE FOR STRÅLING. VARNING – OSYNLIG LASER STRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRR ÄR URKOPPLAD.

  • Page 4: Mechanism Replacement

    MECHANISM REPLACEMENT 1. TRAY AND BASE MECHANISM PART 3. TRAY PART GREASE CDF-409 GREASE CDF-409 MOLYKOTE EM-50L FLOIL OIL G-474B 2. Base mechanism mounting PART 4. BASE MECHANISM PART MOLYKOTE SILICON GREASE EM-50L KS-64 MOLYKOTE EM-50L FLOIL OIL G-2000B MOLYKOTE EM-50L MOLYKOTE FLOIL OIL...

  • Page 5: Mechanism Operation

    MECHANISM OPERATION 3. Match the mark of GEAR and mark of GEAR 1.How to setting the tray. and then install the BOSS. 1. Move the SLIDE left side. 4. Turn the GEAR counterclockwise, and then SLIDE 2. Match the Hole of GEAR and Hole of CHASSIS move right side.

  • Page 6: Dvd P.w.board Operation

    DVD P.W.BOARD OPERATION 1. General operation diagram (This is a basic general operation diagram) The circuit mounted on the Loader part (Frontend Board) is configured as shown , which is divided into following blocks according to main ICs. - 5 -...

  • Page 7

    DVD P.W.BOARD OPERATION 2. Circuit configuration inside IC100(LA9702W) and IC200(LC78660W). (This is a basic circuit configuration) - 6 -...

  • Page 8

    DVD P.W.BOARD OPERATION 3. Table of monitor signals (This is a table of monitor signals) basic A. Reference table for waveform are listed as below. Name TP label IC, CN Location Pin no. Description TP101 IC100 Focus Error Signal(Analog) TP102 IC100 Trk Error Signal(Analog) TP104...

  • Page 9

    DVD P.W.BOARD OPERATION(SIGNAL) (This is a basic signal.) 1. RF and Defection Signal Each signal shown refers to WIRING ,SCHEMATIC DIAGRAM and Table of monitor signals. A. RF Signal during play mode. B. Defection Signal (Detection of level down signal) DEFECT DEFECT 2.

  • Page 10

    DVD P.W.BOARD OPERATION(SIGNAL) B. Focus In and Focus Jump Kick pulse Brake pulse Zero cross point Cross point C. Tracking Servo a. TE (Tracking Error) Signal. b. Track Jump Signal Sled drive Kick pulse Brake pulse - 13 -...

  • Page 11

    DVD P.W.BOARD OPERATION(SIGNAL) D. Seld Servo (Sled motor drive signal) Zoom SLDO SLDO E. Spindle Servo (Spindle motor drive signal) F. Tray open and close CLOSE CLOSE OPEN OPEN OPEN SW OPEN SW CLOSE SW CLOSE SW - 14 -...

  • Page 12

    DVD P.W.BOARD OPERATION(SIGNAL) 3. Decorder EFMOUT EFMOUT SBIAS 4.3218MHz (CD:Normal speed) 4. Reset Timing for Micom Cotroller VDD(5V) RESET HRST 5. Anti-Defect Processing A. Disturbance by Defect DEFECT0 Defect Disturbance of tracking - 15 -...

  • Page 13

    DVD P.W.BOARD OPERATION(SIGNAL) B. Circuit block of Anti-Defect 1+ 1+  Thold Trk EQ Fhold Fcs EQ 1+ DEFECTO 3' Defct 3 DEFECTI Def Inh from IC500 PH-BH 6. Start-up program A. Disc type Identification a. In the case of DVD Dual Disc Zoom CD laser DVD laser...

  • Page 14

    DVD P.W.BOARD OPERATION(SIGNAL) c. In the case of CD Disc Zoom CD laser DVD laser Peak 0 Peak 1 Peak 0 > Peak 1 B. Disc diameter identification a. In the case of 12cm Disc b. In the case of 8cm Disc Spindle kick SPDO Tm >...

  • Page 15

    DVD P.W.BOARD OPERATION(SIGNAL) 7. Adjustment (Auto Adjustment) A. SGC(Signal Gain Control) Adjustment Zoom Zoom Zoom B. Tracking Balance Adjustment Zoom Vref - 18 -...

  • Page 16

    DVD P.W.BOARD OPERATION(SIGNAL) C. Focus and Tracking Gain Adjustment a. Focus gain Adjustment Zoom b. Tracking Gain Adjustment Zoom - 19 -...

  • Page 17: Dvd Start-up Program Flow Chart

    DVD START-UP PROGRAM FLOW CHART (This is a basic start-up program flow chart.) 1. Disc Identification Disc Type identification Start Vref Th0 : Level threshold compensation pk0 > Th0 pk0 : Th0 Disc diameter identification Kick pk0 < Th0 Spindle pk1 >...

  • Page 18

    DVD START-UP PROGRAM FLOW CHART 2. Fundamental and additional auto adjustment Fundamental adjustment Focus In D-type Fcs OK Fbal adj Eccentricity measure 3 times failed? Not yet CLV On Dual D-type failed Fcs jump L1->L0 Single Tbal adj Start Mirr adj Sld Off Trk On Trk Off...

  • Page 19: Mpeg And Front End P.w.board Operation(block Diagram)

    MPEG AND FRONT END P.W.BOARD OPERATION (BLOCK DIAGRAM) (This is a basic block diagram.) DVD,VCD,CD MAIN signal diagram 11pin:R 14pin:L 16-18pin AUDIO OUT IC131 IC132 ADAC VIDEO OUT component IC102 blue back data VIDEO OUT VENC 2-4,38-42pin composite,y/c IC135 BUFFER IIC-BUS IC136 IC101...

  • Page 20: Mpeg And Front End P.w.board Operation (schematic Diagram For Waveform Check)

    MPEG AND FRONT END P.W.BOARD OPERATION (BLOCK DIAGRAM) (This is a basic block diagram.) RESET signal diagram AUDIO OUT IC131 IC132 ADAC VIDEO OUT component 9pin IC102 VIDEO OUT VENC composite,y/c 22pin IIC-BUS IC101 EEPROM 84pin 95pin 57pin 3pin 1pin IC130 IC116 IC127...

  • Page 21: Mpeg And Front End P.w.board Operation Check Waveform

    MPEG AND FRONT END P.W.BOARD CHECK WAVEFORM (This is a basic check waveform.) schematic diagram Zoom Zoom - 26 -...

  • Page 22

    MPEG AND FRONT END P.W.BOARD CHECK WAVEFORM 10 DVD - 27 -...

  • Page 23

    MPEG AND FRONT END P.W.BOARD CHECK WAVEFORM Surround ON - 28 -...

  • Page 24

    MPEG AND FRONT END P.W.BOARD CHECK WAVEFORM Surround OFF Surround ON Surround OFF Zoom - 29 -...

  • Page 25

    MPEG AND FRONT END P.W.BOARD CHECK WAVEFORM - 30 -...

  • Page 26

    MPEG AND FRONT END P.W.BOARD CHECK WAVEFORM - 31 -...

  • Page 27

    MPEG AND FRONT END P.W.BOARD CHECK WAVEFORM - 32 -...

  • Page 28

    MPEG AND FRONT END P.W.BOARD CHECK WAVEFORM COMPOSITE-VIDEO S-VIDEO - 33 -...

  • Page 29: Trouble Shooting

    TROUBLE SHOOTING (This is a basic trouble shooting.) General flow Except EU Version EU Version DVD-S1500/US2 AC-CORD PLUG IN DVD-1500/UK, XE DVD-1500A/SS,AU DVD-6000/XE DVD-DWM-360/US2 IC601 VDD/RESET/OSC confirm IC601 VDD/RESET/OSC confirm STANDBY LED POWER SUPPLY.FSTANDBY mode IC601:UPD16311 confirm IC601:FPC16316-80 confirm IC601 ACTIVE/P-CON.FLOW LIGHT STANDBY LED peripheral...

  • Page 30

    TROUBLE SHOOTING (This is a basic trouble shooting.) AUDIO PART 1. When time display OK and sound NG 3. When S/PDIF NG and analogue OK. or When S/PDIF OK and analogue NG. Tracking signal of Check optical module Check IC127 peripheral. Check DAC output after DAC output.

  • Page 31

    TROUBLE SHOOTING (This is a basic trouble shooting.) VIDEO PART 1. When sound OK and picture NG. 4. When confusion of the picture. 27MHz oscillating circuit Color change. trouble. Check IC102:video Check wirng from encorder Check frequency. encorder output. output to set output. Horizontal/ vertical line enter.

  • Page 32: Voltage Of Ic & Transistor

    VOLTAGE OF IC & TRANSISTOR 1. MPEG part IC101 Pin No. 3.3V 3.3V 3.3V Power OFF 3.3V 3.3V 3.3V Power ON IC102 Pin No. 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 0.3V 0.3V Power OFF 3.3V 0.5V 0.4V 1.5V 3.3V...

  • Page 33

    VOLTAGE OF IC & TRANSISTOR IC113 Pin No. 4.9V 4.9V 4.6V 3.2V 3.2V 3.3V Power OFF 4.9V 4.9V 4.6V 3.2V 3.3V 3.3V Power ON Pin No. 4.9V Power OFF 4.9V Power ON IC116 Pin No. 2.5V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V Power OFF...

  • Page 34

    VOLTAGE OF IC & TRANSISTOR IC127 Pin No. 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V Power OFF 3.3V 3.3V 3.3V 3.3V Power ON Pin No. 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V Power OFF 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V...

  • Page 35: Exploded View (cabinet & Chassis)

    EXPLODED VIEW (CABINET & CHASSIS) - 41 -...

  • Page 36: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN BE OF ! ! ! SPECIAL SIGNIFICANCE.

  • Page 37

    PARTS LIST REF.NO. PART NO. DESCRIPTION SPEAKER SYSTEM R6026 401 105 0603 MT-GLAZE 10K JA 1/16W REF.NO. PART NO. DESCRIPTION R6027 401 105 0603 MT-GLAZE 10K JA 1/16W 614 315 8301 ASSY,BOX,SPEAKER(SS) R6028 401 105 0603 MT-GLAZE 10K JA 1/16W 614 315 1029 ASSY,BOX,SPEAKER(KR) R6030 401 105 4205 MT-GLAZE 33K JA 1/16W...

  • Page 38

    PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION R6973 401 035 4108 MT-GLAZE 0.000 ZA 1/8W S6120 614 240 1002 SWITCH,TACT R6974 401 035 4108 MT-GLAZE 0.000 ZA 1/8W 645 006 5958 SWITCH,PUSH 1P-1T R6975 401 035 4108 MT-GLAZE 0.000 ZA 1/8W 614 220 5471 SWITCH,TACT R6976 401 035 4108 MT-GLAZE 0.000 ZA 1/8W...

  • Page 39

    PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 645 020 1813 INDUCTOR,1000 OHM B8406 645 034 7887 INDUCTOR,1000 OHM B8037 645 034 7887 INDUCTOR,1000 OHM 645 020 1813 INDUCTOR,1000 OHM 645 020 1813 INDUCTOR,1000 OHM B8407 645 034 7887 INDUCTOR,1000 OHM B8040 645 034 7887 INDUCTOR,1000 OHM 645 020 1813 INDUCTOR,1000 OHM...

  • Page 40

    PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION R8001 401 105 4502 MT-GLAZE 390 JA 1/16W R8162 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R8002 401 105 8005 MT-GLAZE 1M JA 1/16W R8163 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R8003 401 105 3901 MT-GLAZE 33 JA 1/16W R8164...

  • Page 41

    PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION R8321 401 105 0603 MT-GLAZE 10K JA 1/16W R8416 401 105 5301 MT-GLAZE 4.7K JA 1/16W R8322 401 105 0603 MT-GLAZE 10K JA 1/16W R8417 401 105 5301 MT-GLAZE 4.7K JA 1/16W R8323 401 105 0603 MT-GLAZE 10K JA 1/16W R8418...

  • Page 42

    PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION R8559 401 105 3901 MT-GLAZE 33 JA 1/16W L9001 645 001 5427 INDUCTOR,2.2U M R8560 401 105 3901 MT-GLAZE 33 JA 1/16W Q1002 405 014 4509 TR 2SC2412K-R R8561 401 105 3901 MT-GLAZE 33 JA 1/16W 405 146 2206 TR KTC3875-GR R8562 401 105 3901 MT-GLAZE 33 JA 1/16W...

  • Page 43

    PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION R1163 401 105 1402 MT-GLAZE 150 JA 1/16W R2437 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R1164 401 105 4007 MT-GLAZE 330 JA 1/16W R2439 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R1165 401 105 4007 MT-GLAZE 330 JA 1/16W R2441...

  • Page 44

    PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION R5203 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R6526 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R5204 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R6562 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R5205 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R6564...

  • Page 45

    PARTS LIST REF.NO. PART NO. DESCRIPTION POWER AMP P.W.BOARD ASSY 645 017 8061 INDUCTOR,181M(KR) ! ! ! REF.NO. PART NO. DESCRIPTION L4901 645 043 9940 INDUCTOR,45U ! ! ! 614 314 5288 ASSY PWB POWER AMP(KR) L4902 645 043 3054 INDUCTOR,10U (Only initial) L4903 645 043 3054 INDUCTOR,10U...

  • Page 46

    PARTS LIST REF.NO. PART NO. DESCRIPTION PRE-AMP P.W.BOARD ASSY 645 042 2584 PROTECTOR,0.125A 125V ! ! ! REF.NO. PART NO. DESCRIPTION PR458 645 042 2553 PROTECTOR,0.63A 125V ! ! ! 614 314 5271 ASSY PWB PRE AMP(KR)(Only initial) PR459 645 042 2676 PROTECTOR,2.5A 125V ! ! ! 614 315 0244 ASSY PWB PRE AMP(SS)(Only initial) Q4380...

  • Page 47: Exploded View (dvd Mechanism)

    EXPLODED VIEW (DVD MECHANISM) DM01 DM02 DM04 DM24 DM30 DM03 DM31 DM25 DM32 DM39 DM33 DM26 DM40 DM04 DM34 DM39 DM23 DM27 DM05 DM35 DM40 DM28 DM07 DM06 DM36 DM29 DM08 DM13 DM37 DM14 DM09 DM15 DM10 DM17 DM39 DM16 DM40 DM11 DM38...

  • Page 48: Ic Block Diagram & Description

    IC BLOCK DIAGRAM & DESCRIPTION IC101BU4066BCF(ANALOG SW)(DVD) IC101 24LC16BT/SN(EEPROM)(MPEG) C4 I/O4 O/I4 O/I3 I/O3 Name Function I/O1 O/I1 O/I2 I/O2 Ground Serial Address/Data I/O Serial Clock Write Protect Input IC105 74VHC74MTC(FLIP FLOP) +2.5V to 5.5V Power Supply A0,A1,A2 No Internal Connection Connection Diagram CLR1 IC103 BA25BC0FP(VOLTAGE REGULATOR)

  • Page 49

    IC BLOCK DIAGRAM & DESCRIPTION IC110,111,117 EM63615TS-8(SDRAM) Symbol Type Description Input Clock: CLK is driven by the system clock. All SDRAM input signals are sampled on the positive edge of CLK. CLK also increments the internal burst counter and controls the output registers.

  • Page 50

    IC BLOCK DIAGRAM & DESCRIPTION IC102 ADV7170KSU(VIDEO ENCODER) TTXREQ POWER 10-BIT 44 43 42 41 40 39 38 37 36 35 34 DAC D(PIN 27) MANAGEMENT CGMS & WSS TELETEXT CONTROL INSERTION INSERTION YUV TO 1,11,20,28,30 BLOCK BLOCK PIN 1 (SLEEP MODE) 10-BIT DAC A...

  • Page 51

    IC BLOCK DIAGRAM & DESCRIPTION IC131 PCM1723(D/A CONVERTER) IC132 NJM4560(OP AMP) Name I/O DESCRIPTION - 27 MHz x'tal oscillate input or external oscillator SCKO O System clock output - PLL power source - N.C A: OUT MCKO O Master clock buffer output Software control latch Software control clock A: -IN...

  • Page 52

    IC BLOCK DIAGRAM & DESCRIPTION IC200 LC78660W-D(DVD/CD SERVO) RFPI JVRVO TESIO JVAIN DVDD2 JVAO DVSS JVCPC JVCPI AVSS AVDD2 DVDFR CDFR FISET RF-PH PISET RF-BH TEST0 EFMINP FPDO TEST1 PPDO EFMINN VCOCTL SLCLPFO DVSS SLCLPFI DVDDO SLCO1 SLCO2 LEFM AVDD1 EFMOUT AVSS DVSS...

  • Page 53

    IC BLOCK DIAGRAM & DESCRIPTION IC500 M37920FCCGP(MICOM) /CLK /CTS /RTS /CTS /CLK1 /RxD /TxD /INT /INT RESET /INT /TB2 /INT /TB1 BYTE /INT /TB0 /RDY NAME DESCRIPTION FUNCTION Power source Vcc:applied 5V 0.5V Vss:applied0V Prosessor mode switch. Connect to Vss when songle chip modeand memory extension mode. Connect to Vss.

  • Page 54

    IC BLOCK DIAGRAM & DESCRIPTION IC601 BA5937AFP(Power Driver)(DVD) VCC(CH1,4) VCC(CH3) LOGIC THERMAL LEVEL LEVEL SHUT SHIFT SHIFT DOWN VOLTAGE CTRL LEVEL SHIFT MUTE CH1,4 VCC(CH2) PIN NO. NAME DESCRIPTION PIN NO. NAME DESCRIPTION OUT-1 DRIVER CH1 (-) LOARDING REV OUT-2 DRIVER CH1 (+) LOARDING FWD IN 1-1...

  • Page 55

    IC BLOCK DIAGRAM & DESCRIPTION IC118 LE28DW8102T-90-MPB(FLASH MEMORY) CHARGE PUMP COLUMN DECODER DQ15 & VOLTAGE DQ14 REFERENCE CIRCUIT DQ13 DQ12 ADDRESS BUFFER 256Kx16 & LOW DECODER FLUSH LATCH CIRCUIT BANK1 DQ11 256Kx16 FLUSH DQ10 A18-A0 BANK2 DQ15.DQ0 CONTROL LOGIC IN/OUTPUT BUFFER &...

  • Page 56

    IC BLOCK DIAGRAM & DESCRIPTION IC211 TA8176SN(FM Frontend) IC502 M51953BFP(RESET) OUTER POWER DELAY SUPPLY CAPACITY Buffer MIXER Buffer Local M51953BFP Buffer BUFFER BY-PASS BIAS AGC DET RF IN POWER SUPPLY IC437 BH3544F OUTPUT OUT2 BIAS BIAS 1.25V OUTER DELAY CAPACITY 8 TERMINAL:NC (CD) MUTE...

  • Page 57

    IC BLOCK DIAGRAM & DESCRIPTION IC241 LC7212M-D(Pll Synthesizer) Vssx REFERENCE PHASE DETECTOR DIVIDER CHARGE PUMP XOUT SWALLOW COUNTER UNLOCK FMIN 1/16, 1/17 4bits DETECTOR AOUT Vssa 12bits PROGRAMMABLE AMIN DIVIDER UNIVERSAL DATA SHIFT REGISTER LATCH IFIN I / F COUNTER POWER RESET Vssd...

  • Page 58

    IC BLOCK DIAGRAM & DESCRIPTION IC231 LA1844ML(AM/FM-ZF/MPX) FL601 VACUUM FLUORESCENT DISPLAY RF.AMP PILOT BUFF DECODER CANCEL ANTI-BIRDIE P-DET STEREO LEVEL AM/FM COMP S-CURVE BUFF PILOT P I N C O N N E C T I O N 304kHz TUNING PIN NO.

  • Page 59

    (2P) (4P) CN818 (9P) CN805 (14P) CN602 (2P) CN809 (26P) FRONT P.W.B CN601 MPEG (24P) CN810 P.W.B (16P) CN603 (8P) CN801 (8P) CN682 AUX IN2 SANYO Technosound Co., Ltd. Dec. / '00 / 1150 BB Printed in Japan Osaka, Japan...

  • Page 60

    DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK) (This is a basic signal check) DEFECT LASER POWER CONTROL DVD/CD LASER POWER CONTROL DVD/CD - 8 -...

  • Page 61

    DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK) (This is a basic signal check) FOCUS SERVO TRACKING SERVO TRACKINGN SERVO FOCUS SERVO TRACKING SERVO SLED SPINDLE TRACKINGN SERVO FOCUS SERVO FOCUS SERVO FOCUS SERVO FOCUS FOCUS SERVO TRACKING SERVO SERVO FOCUS SERVO TRACKING SERVO...

  • Page 62

    DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK) (This is a basic signal check) Egualization Egualization Adjustment Adjustment Egualization RESET RESET - 10 -...

  • Page 63

    DVD P.W.BOARD OPERATION(WIRING DIAGRAM FOR SIGNAL CHECK) DVD P.W.BOARD OPERATION(WIRING DIAGRAM FOR SIGNAL CHECK) A. A side (This is a basic signal check) B. B side (This is a basic signal check) - 11 -...

  • Page 64

    MPEG P.W.BOARD(SCHEMATIC DIAGRAM FOR WAVEFORM CHECK) (This is a basic waveform check.) 10 11 12 - 24 -...

  • Page 65

    AMP P.W.BOARD (SCHEMATIC DIAGRAM FOR WAVEFORM CHECK) (This is a basic waveform check.) - 25 -...

  • Page 66

    TUNER ADJUSTMENTS • Use a plastic screw driver for adjustments. • MODE : STEREO • Speaker impedance : 4 ohm • TUNING FM : 87.5 - 108.0MHz (50kHz step) AM : 522 - 1710kHz (9kHz step) 520 - 1710kHz (10kHz step) SG RF Level : 75 open Voltage dBµV Antenna : 75 unbalanced Direct, Modulation...

  • Page 67: Schematic Diagram(mpeg)

    SCHEMATIC DIAGRAM(MPEG) This is a basic schematic diagram. - 65 -...

  • Page 68: Wiring Diagram (mpeg A Side)

    WIRING DIAGRAM (MPEG A SIDE) - 66 -...

  • Page 69: Wiring Diagram (mpeg B Side)

    WIRING DIAGRAM (MPEG B SIDE) - 67 -...

  • Page 70: Schematic Diagram(amp For Ss)

    SCHEMATIC DIAGRAM(AMP for SS) PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol in the parts list and the schematic diagram designated ! ! ! components in which safety can be of special significance. 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.

  • Page 71: Wiring Diagram (power For Ss)

    WIRING DIAGRAM (POWER AMP for SS) - 69 -...

  • Page 72: Wiring Diagram (pre-amp For Ss)

    WIRING DIAGRAM (PRE-AMP for SS) - 70 -...

  • Page 73: Schematic Diagram(amp For Kr)

    SCHEMATIC DIAGRAM(AMP for KR) PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol in the parts list and the schematic diagram designated ! ! ! components in which safety can be of special significance. 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.

  • Page 74: Wiring Diagram (power For Kr)

    WIRING DIAGRAM (POWER AMP for KR) - 72 -...

  • Page 75: Wiring Diagram (pre-amp For Kr)

    WIRING DIAGRAM (PRE-AMP for KR) - 73 -...

  • Page 76: Schematic Diagram(tuner)

    SCHEMATIC DIAGRAM(TUNER) This is a basic schematic diagram. - 74 -...

  • Page 77: Wiring Diagram (tuner)

    WIRING DIAGRAM (TUNER) - 75 -...

  • Page 78: Schematic Diagram(front)

    SCHEMATIC DIAGRAM(FRONT) This is a basic schematic diagram. - 76 -...

  • Page 79: Schematic Diagram(dvd)

    SCHEMATIC DIAGRAM(DVD) This is a basic schematic diagram. - 78 -...

  • Page 80

    WIRING DIAGRAM (DVD A SIDE) WIRING DIAGRAM (DVD B SIDE) - 79 -...

  • Page 81: Wiring Diagram (led,vol-reg For Ss,reg For Kr,mecha-sw And Mecha-m)

    WIRING DIAGRAM (LED,VOL-REG for SS,REG for KR,MECHA-SW and MECHA-M) VOL-REG(SS) REG(KR) MECHA-SW MECHA-M - 80 -...

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