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Sony D-V7000 Service Manual

Sony D-V7000 Service Manual

Sony portable video cd player

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SERVICE MANUAL
Ver 1.1 2000. 02
MICROFILM
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-Up Name
SPECIFICATIONS
PORTABLE VIDEO CD PLAYER
D-V7000
E Model
Chinese Model
CDM-2401AAA
NEW
DAX-01A2

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Summary of Contents for Sony D-V7000

  • Page 1 D-V7000 SERVICE MANUAL E Model Chinese Model Ver 1.1 2000. 02 Model Name Using Similar Mechanism CD Mechanism Type CDM-2401AAA Optical Pick-Up Name DAX-01A2 SPECIFICATIONS PORTABLE VIDEO CD PLAYER MICROFILM...
  • Page 2: Table Of Contents

    AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH ELECTRICAL PARTS LIST ....... 49 SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. – 2 –...
  • Page 3: Servicing Notes

    SECTION 1 SERVICING NOTES • Method-2 (In the service mode or normal operation): NOTES ON HANDLING THE OPTICAL PICK-UP Check the value of current flowing in the laser diode. BLOCK OR BASE UNIT 1. Remove the upper cabinet. The laser diode in the optical pick-up block may suffer electro- 2.
  • Page 4: General

    SECTION 2 This section is extracted from instruction manual. GENERAL – 4 –...
  • Page 5: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 3-1. CABINET (UPPER) ASSY 2 two claws 3 cabinet (upper) assy 2 claw 2 claw 1 three screws (2 × 8) 1 two screws (2 × 8) 2 claw –...
  • Page 6 3-2. LID BLOCK ASSY, UPPER 1 spring (lock) 5 shaft 2 spring (open) 4 Open the “lid block assy, upper”. 3 Push the open button. 7 Pull up the “lid block assy, upper” to direction of arrow B . 8 Remove the “lid block assy, upper” to direction of arrow C .
  • Page 7: Service Mode (Test Mode)

    SECTION 4 SERVICE MODE (TEST MODE) • In this set, there are two test modes; CD-DA Test Mode and 2. VIDEO CD Test Mode VIDEO CD Test Mode. Switches Description How to Enter the Test Mode Go to CD-DA Test Mode (POWER OFF) 1.
  • Page 8: Electrical Adjustments

    SECTION 5 ELECTRICAL ADJUSTMENTS Precautions for Adjustment Tracking Balance Check 1. Before beginning adjustment, set the equipment to service Condition: mode. • Hold the set in horizontal state. After the completion of adjustment, be sure to reset the ser- vice mode. Connection: oscilloscope For more information, see “Service Mode (Test Mode)”...
  • Page 9 Focus Bias Check Condition: • Hold the set in horizontal state. Connection: oscilloscope (AC range) MAIN board TP535 (RFO) TP534 (VC) – (see page 10) Checking Method: 1. Connect the oscilloscope to TP535 (RFO) and TP534 (VC) on the MAIN board. 2.
  • Page 10 Connection Location – MAIN Board – (Side A) CN501 CN701 TP534 (VC) TP524 (TE) TP535 (RFO) – 10 –...
  • Page 11: Diagrams

    D-V7000 SECTION 6 X320 16.9344MHz DIAGRAMS 6-1. BLOCK DIAGRAM FILTER DATA, BCLK, LRCK HEADPHONE AMP RF AMP, SELECT SWITCH IC360 FOCUS/TRACKING ERROR AMP IC301 IC501 XTAI OSC & TIMING RV301 RF 3.3V J301 CLOCK DIGITAL SIGNAL PROCESSOR GENERATOR ∑ VOLUME...
  • Page 16 • Waveforms – MAIN Board (1/2) – – MAIN Board (2/2) – 1 IC501 !¶ (RFO) 6 IC601 $¶ (BCLK) !¡ IC904 3 !§ IC320 @¢ (LRCK) @¡ IC920 #¡ (CVOUT) @§ IC820 1 (OUT) #¡ T891 4 200 mV/DIV, 500 ns/DIV 1 V/DIV, 200 ns/DIV 2 V/DIV, 200 ns/DIV 1 V/DIV, 10 µs/DIV...
  • Page 17 • IC Block Diagrams – MAIN Board (1/2) – IC301 TC74VHC157F IC320 TC9434AFNEL SELECT 11 1 1A 2 STROBE INPUT 24 23 19 18 16 15 INPUT OUTPUT INPUT INTERFACE CPU INTERFACE 11 12 OSCILLATOR OUTPUT CIRCUIT CIRCUIT INPUT INPUT TIMING GENERATOR OUTPUT GND 8...
  • Page 18 IC501 CXA1791N VREF LD AMP PD AMP 1.25V 20 VCC – – 19 APC ON 18 RFI – – 17 RFO IV AMP1 SUMMING AMP – – 16 FE FOCUS IV AMP2 ERROR AMP 15 FE BIAS – – 14 TE TRACKING IV AMP ERROR AMP...
  • Page 19 IC601 CXD2545Q 61 – 51 DA16 EXCK DA12 LRCK WDCK SQSO PSSL SQCK MUTE SENS XRST DIRC ASYE SCLK DFSW ATSK AVDD ASYO DATA XLAT CLOK ASYI MIRR DFCT BIAS RFAC AVSS CLTV FILI LOCK FILO SSTP RFDC SFDR 1 2 3 4 5 6 7 8 9 10 11 21 22 23 24 25 –...
  • Page 20 IC602 BA3890F BUFF BUFF 8 Vcc CONT COMP – 0.25V IC920 TC90A07U C LEVEL ALIGNMENT HSYNC VSYNC C SYNC Y LEVEL TMS3 ALIGNMENT SYNC GENERATOR CLPF C SIGNAL GENERATOR GENERATOR BURST FLAG VBLNKO BLANKING MODE Y/Cb/Cr Cb LEVEL LOW-PASS INTERPOLATE SEPARATOR ALIGNMENT FILTER...
  • Page 21 – MAIN Board (2/2) – IC820 TL5001CD U.V.L.O DEAD-TIME REFERENCE COMPARATOR VOLTAGE – SWITCH ERROR 'ON' – S.C.P. – COMPARATOR 1 COMPARATOR – S.C.P. LATCH S.C.P. COMPARATOR 2 IC861 TL1453CPW-E20 IC862 MC14053BDTR2 B.COM OPEN A.COM OUTPUT 2 – C.COM OPEN ERROR AMP 2 COMPARATOR REFERENCE...
  • Page 22: 6-7. Ic Pin Function Description

    6-7. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC601 CXD2545Q (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR) Pin No. Pin Name Function SRON Sled servo drive PWM signal output terminal Not used (open) SRDR Sled servo drive PWM signal (–) output to the MPC17A38ZVMEL (IC502) SFON Sled servo drive PWM signal output terminal Not used (open) TFDR...
  • Page 23 Pin No. Pin Name Function DA16 output when PSSL=“H”, 48-bit slot serial data output when PSSL=“L” (PSSL (pin $£)=fixed at “L”) Serial data output to the D/A converter (IC320) and MPEG DATA audio/video decoder (IC901) DA15 output when PSSL=“H”, 48-bit slot bit clock signal output when PSSL=“L” (PSSL (pin $£)=fixed at “L”) Bit clock signal (2.8224 MHz) output to the D/A converter BCLK (IC320) and MPEG audio/video decoder (IC901)
  • Page 24 Pin No. Pin Name Function MUTE Mute signal input terminal Fixed at “L” in this set SENS Internal status (SENSE) signal output to the system controller (IC701) Reset signal input from the system controller (IC701) “L”: reset XRST For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H” DIRC 1-track jump mode input terminal Not used (fixed at “H”) SCLK...
  • Page 25 • MAIN BOARD IC701 MSM65354-412GS-BK4 (SYSTEM CONTROLLER, LCD DRIVER, KEY CONTROL) Pin No. Pin Name Function 1 to 4 COM1 to COM4 Common drive signal output to the liquid crystal display (LCD401) 5 to 11 SEG0 to SEG6 Segment drive signal output to the liquid crystal display (LCD401) Not used (open) 13 to 18 SEG7 to SEG12...
  • Page 26 Pin No. Pin Name Function ESP-DATA Serial data output terminal Not used (open) ESP-LT Serial data latch pulse signal output terminal Not used (open) ESP-SENSE Sense serial data input terminal Not used (open) XLASERCTL Laser diode on/off control signal output to the CXA1791N (IC501) “L”: laser on DSP-SCOR Sub-code sync (S0+S1) detection signal input from the CXD2545Q (IC601) OSC1...
  • Page 27 • MAIN BOARD IC901 ES3210 (MPEG AUDIO/VIDEO DECODER) Pin No. Pin Name Function — Power supply terminal (+3.3V) DRAS B Row address strobe signal output to the D-RAM (IC903) “L” active DWE B Write enable signal output to the D-RAM (IC903) “L” active 4 to 12 MA0 to MA8 Address signal output to the D-RAM (IC903)
  • Page 28 Pin No. Pin Name Function TDMCLK Bit clock signal (2.8224 MHz) input from the CXD2545Q (IC601) TDMDR Serial data input from the CXD2545Q (IC601) TDMFS L/R sampling clock signal (44.1 kHz) input from the CXD2545Q (IC601) DCAS B Column address strobe signal output to the D-RAM (IC903) “L” active —...
  • Page 29 • MAIN BOARD IC920 TC90A07U (VIDEO ENCODER) Pin No. Pin Name Function MIFH Horizontal synchronous signal input from the MPEG audio/video decoder (IC901) MIFFL Vertical synchronous signal input from the MPEG audio/video decoder (IC901) MIFFR Frame synchronous signal output terminal Not used (open) VBLNKI Video blanking signal input terminal “L”: blanking —...
  • Page 30: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark may have some difference from the original are seldom required for routine service.
  • Page 31 (2) CABINET SECTION-2 CDM-2401AAA LCD401 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-4950-496-1 CABINET (LOWER) ASSY 1-776-149-11 CABLE, FLEXIBLE FLAT 30P 4-962-025-21 FOOT, RUBBER 3-336-395-01 SCREW (B2X10) (G), TAPPING 4-996-333-01 LID, BATTERY CASE 4-918-544-11 SPACER (T) 3-485-343-11 SHEET 4-975-811-01 INSULATOR 4-996-339-01 TERMINAL (RELAY), BATTERY...
  • Page 32 Ver 1.1 2000. 02 (3) MECHANISM DECK SECTION (CDM-2401AAA) not supplied M901 M902 S901 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref.
  • Page 33: Electrical Parts List

    SECTION 8 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- ! are critical for safety.
  • Page 34 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C374 1-107-826-11 CERAMIC CHIP 0.1uF C828 1-115-416-11 CERAMIC CHIP 1000PF C860 1-128-416-11 ELECT CHIP 100uF C500 1-110-569-11 TANTALUM CHIP 47uF 6.3V C861 1-164-156-11 CERAMIC CHIP 0.1uF C501 1-164-156-11 CERAMIC CHIP 0.1uF C862...
  • Page 35 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D105 8-719-039-99 DIODE UMZ8.2T D201 8-719-039-99 DIODE UMZ8.2T < COIL > D205 8-719-039-99 DIODE UMZ8.2T D302 8-719-039-99 DIODE UMZ8.2T L320 1-412-002-41 INDUCTOR CHIP 4.7uH L321 1-412-002-41 INDUCTOR CHIP 4.7uH D340 8-719-404-35 DIODE MA141WK L322...
  • Page 36 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R612 1-218-895-11 RES, CHIP 100K 0.5% 1/16W R107 1-216-789-11 METAL CHIP 1/16W R614 1-218-871-11 RES, CHIP 0.5% 1/16W R108 1-216-813-11 METAL CHIP 1/16W R619 1-216-833-11 METAL CHIP 1/16W R201 1-216-821-11 METAL CHIP...
  • Page 37 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES & PACKING MATERIALS R884 1-218-877-11 RES, CHIP 0.5% 1/16W ******************************** R885 1-216-857-11 METAL CHIP 1/16W R886 1-216-809-11 METAL CHIP 1/16W 1-467-570-31 ADAPTOR, AC (E) R888 1-216-295-00 SHORT 1-475-712-11 ADAPTOR, AC (AC-E67A) (Chinese) R892 1-216-857-11 METAL CHIP...
  • Page 38 D-V7000 Sony Corporation 98I057016-1 Printed in Singapore © 1998. 9 9-924-962-11 Personal A&V Products Company Published by Quality Engineering Dept. – 54 – (Shibaura)

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