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SERVICE MANUAL
CAUTION : Before servicing this chassis, read the "PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS" section
on page 3 of this manual.
DVD and CD
PLAYER
SERVICE PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
IC INTRODUCTION
PRINTED CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-28
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . 29-42
Under license form Digital Theater Systems, Inc.
MODEL
MI
CRO 750D
CONTENTS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21
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Summary of Contents for Sansui Micro-750-D
- Page 1 MODEL SERVICE MANUAL CRO 750D CAUTION : Before servicing this chassis, read the "PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS" section on page 3 of this manual. CONTENTS SERVICE PRECAUTIONS ......2-3 DVD and CD BLOCK DIAGRAMS .
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Page 2: Product Safety Servicing Guidelines For Video Products
PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS CAUTION: DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY AND SUBJECT: X-RADIATION N E V E R P E R F O R M C U S T O M I Z E D I N S TA L L AT I O N S W I T H O U T 1. -
Page 3: Servicing Precautions
SERVICING PRECAUTIONS CAUTION : Before servicing the DVD covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and ADDENDUMS, read Some semiconductor (solid state) devices can be damaged SAFETY PRECAUTIONS NOTE and follow the : if easily by static electricity. Such components commonly are unforeseen circumstances create conflict between the called Electrostatically Sensitive (ES) Devices. - Page 5 FM+AM TFCE1E XP10 A750 AMP ASS'Y XP404 XP13 XP402 A750 KEY ASS'Y AD750 PO WER ASS'Y XP403 A750 MIC ASS'Y DSM750 DECODER ASS'Y KHL-232B LOADING ASS'Y...
- Page 6 IC INTRODUCTION D1890 PIN ASSIGNMENTS Pin Numbers PIN NAME Type Description QFP100 and LQFP100 RF Flag Interface DEFECT Digital Output Flag of bad data output status RF SIO interface SLCK Digital Input RF serial clock input SDEN Digital Input RF serial data enable SDATA Digital IO RF serial data IO...
- Page 7 Pin Numbers PIN NAME Type Description FLVLNI Analog input RF level amplifier negative input CDCSNI Analog input CD central servo signal negative input CDCSPI Analog input CD central servo signal positive input DVDCSNI Analog input DVD central servo signal negative input DVDCSPI Analog input DVD central servo signal positive input...
- Page 8 D1890 BLOCK DIAGRAM...
- Page 9 D1870 PIN ASSIGNMENTS Pin Numbers Pin NAME Type Description RG data PLL interface PLLVDD Power Power for data PLL and related analog circuitry. JITFN Analog Input The negative input terminal of operation amplifier for RF jitter meter. JITFO Analog Output The output terminal of RF jitter meter.
- Page 10 Pin Numbers Pin NAME Type Description TTL Output LED control output. TTL Input PLY#/PAU# Play/pause key input, active low. 50K pull up TTL Input EJ/STOP# Eject, stop key input, active low. 50K pull up TTL Input LIMIT# Sledge inner limit input, active low. 50K pull up TTL Input Tray_is_out input.
- Page 11 Pin Numbers Pin NAME Type Description RAM write enable, low active. When two write enable pins are used, it only RW E# TTL Output for low byte. High column address strobe: Write enable High Byte Multi-function pin: low active CASH#/RWE TTL Output RAM column address strobe for high byte, when two column address strobe pins are used.
- Page 12 Pin Numbers Pin NAME Type Description Device I/O write: Stop Ultra DMA burst This is multi-function pin. For Device I/O Write, this signal is the strobe signal asserted by the host to Schmitt DIOW# write device registers or the data port. Input 50K pull up For Stop Ultra DMA, this signal shall be negated by host before data is transferred in an Ultra DMA burst and is asserted by host during an Ultra...
- Page 13 D1870 BLOCK DIAGRAM TEST RFRPSLV RFZC/ TEZI RF flag Data Data TEZC TEZISLV Slicer Interface CDROM Varipitch System DRAM Circuit HRFZC Reset CIRC/RSPC PRST# Sync Detection Clock Clock Logic Error Corrector Decoder Descrambler Generator Generator ADCVDD Servo Sync RFRP System Clock RFLEVEL Protection RD[15:0]...
- Page 14 VS3811 PIN ASSIGNMENTS Name Number Definition 1,9,18,27,35,44,51,59,68,75,83,92,99 3.6 V power supply. , 104, 111,121,130,139,148,157,164, 172, 183, 193,201 LA[21:0] 23:19,16:10,7:2,207:204 Device address output. 8,17,26,34,43,52,60,67,76,84,91,98,1 Ground. 03,112,120,129,138,147,156163,171, 177,184,192,200,208 RESET# Reset input, active low. TDM transmit data. ROM Select TDMDX RSEL Selection RSEL 16-bit ROM 8-bit ROM TDMDR...
- Page 15 Name Number Definition DB[15:0] 96:93,90:85,82:77 DRAM data bus. DCS[1:0]# 97,100 SDRAM chip select [1:0], active low Data input/output mask. DSCK Clock to SDRAM. DCLK Clock Input (27 MHz) YUV[7:0] 115:113,110:106 8-bit YUV output. PCLK2XSC 2X pixel clock. PCLKQSCN Pixel clock. Vertical synch screen...
- Page 16 VS3811 BLOCK DIAGRAM...
- Page 17 CS4955 PIN ASSIGNMENTS PIN NAME NUMBER TYPE DEFINITION V[7:0] 8,7,6,5,4,3,2,1 Digital video data inputs 27MHz input clock PADR Address enable line XTAL-IN Sub-carrier crystal input XTAL-OUT Sub-carrier crystal output HSYNC/CB Active low horizontal sync, or composite blank signal VSYNC Active low vertical sync FIELD/CB Video field ID.
- Page 18 PCM1723 PIN ASSIGNMENTS PIN NAME NUMBER TYPE DEFINITION Master clock input System Clock Out. This output is 256fs or 384fs.System clock generated SCKO by the internal PLL. PLL Power Supply (+5v) No connection MCKO Buffered clock output of crystal oscillator Latch for serial control data Clock for serial control data Data for serial control...
- Page 19 BA6208 EQUIVALENT CIRCUIT DIAGRAM V C C G N D 6 ( 1 ) 5 ( 3 , 7 ) R 2 6 R 1 1 Q 1 0 Q 1 4 Q 1 7 Q 1 1 Q 1 2 R 1 4 R 1 3 Q 1 6...
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Page 20: System Block Diagram
NJW1104 SYSTEM BLOCK DIAGRAM Center Mode LOUT Input Autobalance Noise Sequencer Adaptive Matrix COUT ROUT Modified Delay B-NR EXTIN SOUT 7KHz MCU Interface SW. Controller ADD/SUB... - Page 21 NJW1104 APPLICATION CIRCUIT AND BLOCK DIAGRAM 100n 100n NOIS E GENERAT OR NOIS E 100n SEQUENCER AUX1 100n CONT ROL AUX2 AUX3 AUX4 100n AUX5 220n AUX6 220n AUX7 4.7u AUX8 4.7u AUX9 220n CENT ER AUX10 MODE 220n CONT ROL IREF 100K VREF...
- Page 22 PRINTED CIRCUIT A750 KEY CIRCUIT...
- Page 23 A750 POWER CIRCUIT...
- Page 24 A750 MIC CIRCUIT A750 PHONE CIRCUIT...
- Page 25 A750 AMP CIRCUIT...
- Page 26 A750 KEY BOARD A750 MIC BOARD A750 POWER BOARD...
- Page 27 A750AMP BOARD...
- Page 28 DSM750 DECODER BOARD...
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Page 29: Electrical Parts List
ELECTRICAL PARTS LIST PART No. PART NAME Q'TY DVD750(Aussie) b0882 A750AMP ASS'Y bS7100-1 DVD-750 POWER ASS'Y b1053-1 A750 KEY ASS'Y bS7091-1 A750 MIC ASS'Y b0883 DSM750 DECODER ASS'Y bS8001 KHM-232B LOADING ASS'Y S0549b A750 TRANSFORMER S3284 CC-1.0×25×150 S3145a CC-1.0×12×140(B=6) S3287 CC-0.5×24×185 S3288 CC-1.25×15×115... - Page 30 PART No. PART NAME Q'TY DVD750(S. Africa) b0882 A750AMP ASS'Y bS7100-1 DVD-750 POWER ASS'Y b1053-1 A750 KEY ASS'Y bS7091-1 A750 MIC ASS'Y b0883 DSM750 DECODER ASS'Y bS8001 KHM-232B LOADING ASS'Y S0549a A750 TRANSFORMER S3284 CC-1.0×25×150 S3145a CC-1.0×12×140(B=6) S3287 CC-0.5×24×185 S3288 CC-1.25×15×115 S3278 A750AMP OUTPUT WIRE...
- Page 31 REF No. PART No. PART NAME REF No. PART No. PART NAME A750 KEY ASS'Y C504 a2056 CS1-63V-0.1u+80% RESISTOR C505 a2056 CS1-63V-0.1u+80% R501 G0705 RT13-0.167W-10 C506 a3201 CD11CX-16V-100uF±20% R502 G0705 RT13-0.167W-10 C507 a3201 CD11CX-16V-100uF±20% OTHER R503 G0709 RT13-0.167W-51 R504 G0714 RT13-0.167W-180 VD501 a5004...
- Page 32 REF No. PART No. PART NAME REF No. PART No. PART NAME C603 a2056 CS1-63V-0.1u+80% C417 a3304 CT4D-2F4-0.1uF-63V-S C604 a3627 CD110X-50V-1uF C418 a3304 CT4D-2F4-0.1uF-63V-S C605 a3628 CD110X-50V-10uF±20% C419 a3304 CT4D-2F4-0.1uF-63V-S C606 a3628 CD110X-50V-10uF±20% C420 a3346 CIS-250VAC-0.1uF-K TRANSISTOR C607 a3635 CD110X-16V-47uF±20% C608 a3201 CD110X-16V-100uF±20%...
- Page 33 REF No. PART No. PART NAME REF No. PART No. PART NAME P11031 RC-03K392JT P11019 RC-03K104JT P11031 RC-03K392JT P11012 RC-03K472JT P11032 RC-03K512JT P11032 RC-03K512JT P11031 RC-03K392JT P11013 RC-03K103JT P11031 RC-03K392JT P11013 RC-03K103JT P11032 RC-03K512JT P11032 RC-03K512JT P11012 RC-03K472JT P11069 RC-03K133JT P11012 RC-03K472JT P11008 RC-03K471JT P11012 RC-03K472JT...
- Page 34 REF No. PART No. PART NAME REF No. PART No. PART NAME R104 P11033 RC-03K682JT R151 P11012 RC-03K472JT R105 P11032 RC-03K512JT R152 P11012 RC-03K472JT R106 P11013 RC-03K103JT R154 P11023 RC-03K105JT R107 P11031 RC-03K392JT R155 P11019 RC-03K104JT R108 P11009 RC-03K102JT R156 P11019 RC-03K104JT R109 P11032 RC-03K512JT...
- Page 35 REF No. PART No. PART NAME REF No. PART No. PART NAME R209 P11015 RC-03K153JT R278 a0050 RT14-0.25W-2K±5% R210 P11013 RC-03K103JT R279 a0479 RY16-1W-330±5% R211 P11013 RC-03K103JT R280 P11012 RC-03K472JT R212 P11033 RC-03K682JT R281 a0065 RT14-0.25W-8.2K±5% R213 P11013 RC-03K103JT R282 P11013 RC-03K103JT R214 P11013 RC-03K103JT...
- Page 36 REF No. PART No. PART NAME REF No. PART No. PART NAME R713 P11198 RC-03K332JT R753 P11019 RC-03K104JT R714 P11142 RC-03K622JT R754 P11018 RC-03K473JT R715 P11002 RC-03K4R7JT R756 P11012 RC-03K472JT R716 P11002 RC-03K4R7JT R757 P11012 RC-03K472JT R717 P11002 RC-03K4R7JT R758 P11012 RC-03K472JT R718 P11002 RC-03K4R7JT...
- Page 37 REF No. PART No. PART NAME REF No. PART No. PART NAME R808 P11012 RC-03K472JT P20005 GRM39CH470J50PT R809 P11005 RC-03K750JT P20005 GRM39CH470J50PT R810 P11012 RC-03K472JT a3509 CD110X-22uF-M-16V R811 P11013 RC-03K103JT a3509 CD110X-22uF-M-16V R812 a0483 HCTG4013473 a3635 CD110X-47uF-M-16V R813 P11012 RC-03K472JT P2064 GRM39CH510J50PT R814...
- Page 38 REF No. PART No. PART NAME REF No. PART No. PART NAME P20029 GRM39CH331J50PT C135 P20035 GRM39F105Z10PT a3509 CD110X-10uF-M-16V C136 P20035 GRM39F105Z10PT P20015 GRM39F104Z25PT C141 a3064 CL11-100n-63V±20% a3635 CD110X-47uF-M-16V C142 a3064 CL11-100n-63V±20% P20063 GRM39B302J50PT C143 a3519 CD110X-100uF-M-25V P20029 GRM39CH331J50PT C145 a3509 CD110X-10uF-M-16V a3504...
- Page 39 REF No. PART No. PART NAME REF No. PART No. PART NAME C189 P20015 GRM39F104Z25PT C606 a3635 CD110X-47uF-M-16V C190 P20015 GRM39F104Z25PT C607 P20055 GRM39B562K50PT C191 P20055 GRM39B562K50PT C613 P20015 GRM39F104Z25PT C192 a3509 CD110X-10uF-M-16V C615 a3609 CD110X-100uF-M-16V C193 a3635 CD110X-47uF-M-16V C616 P20015 GRM39F104Z25PT C194 P20004 GRM39CH300J50PT...
- Page 40 REF No. PART No. PART NAME REF No. PART No. PART NAME C707 a3514 CD110X-220uF-M-16V C754 P20012 GRM39B103K50PT C708 P20015 GRM39F104Z25PT C755 a3701 CD11CX-10uF-M-50V C709 P20015 GRM39F104Z25PT C756 a3701 CD11CX-10uF-M-50V C710 a3509 CD110X-10uF-M-16V C757 a3506 CD110X-2.2uF-M-16V C711 a3509 CD110X-10uF-M-16V C758 a3506 CD110X-2.2uF-M-16V C712...
- Page 41 REF No. PART No. PART NAME REF No. PART No. PART NAME P6659 BGH2012B601 VD37 P1200 ISS355 P6659 BGH2012B601 VD38 P1200 ISS355 P6659 BGH2012B601 VD40 a5001 IN4001 P6659 BGH2012B601 P5700 2SB709 P6659 BGH2012B601 P5700 2SB709 a6600 5220L1(1uH) P5700 2SB709 a6600 5220L1(1uH) P5700 2SB709...
- Page 42 REF No. PART No. PART NAME REF No. PART No. PART NAME a4713 W78E58 a6944 CKX-063 JACK P4595 BU4053BCF a6762 CS-01 JACK a4336 XR-1091 a6857 CKX03-GBR a4711 TLC542 a4639 BL24C01 P4530 NJM4558M P4633 BU4052BCF P4530 NJM4558M P4530 NJM4558M P4530 NJM4558M P4530 NJM4558M P4530...