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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...
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 –...
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.
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 –...
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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 .
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.
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)”...
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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.
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...
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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)
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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...
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• 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...
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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...
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• 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)
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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 —...
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• 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 —...
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.
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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.
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.