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Sony D-V55 Service Manual

Portable video cd player
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SERVICE MANUAL
Ver 1.0 1999.05
MICROFILM
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Type
SPECIFICATIONS
Two LR6 (size AA) batteries:3VDC
Battery case (External Batteries):
Two LR6 (size AA) batteries:3VDC
AC power adaptor (DC IN 6V jack):
220-230 V, 50/60Hz
220 V, 50Hz
220 V, 50/60Hz
PORTABLE VIDEO CD PLAYER
D-V55
E Model
Chinese Model
NEW
CDM-2901ABA
DAX-01A2

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  • Page 1 D-V55 SERVICE MANUAL E Model Chinese Model Ver 1.0 1999.05 Model Name Using Similar Mechanism CD Mechanism Type CDM-2901ABA Optical Pick-up Type DAX-01A2 SPECIFICATIONS Two LR6 (size AA) batteries:3VDC Battery case (External Batteries): Two LR6 (size AA) batteries:3VDC AC power adaptor (DC IN 6V jack):...

  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK !ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Servicing Note

    SECTION 1 SERVICING NOTE NOTES ON HANDLING THE OPTICAL PICK-UP A C 2 2 1 1 3 9 7 current value year BLOCK OR BASE UNIT month A : less than 48 mA date The laser diode in the optical pick-up block may suffer electro- shift No.

  • Page 4: General

    SECTION 2 This section is extracted from GENERAL instruction manual. LOCATION AND FUNCTION OF CONTROLS – 4 –...
  • Page 5 – 5 –...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY The equipment can be removed using the following procedure. Lid sub ASSY, Switch unit Cabinet (Lower) sub ASSY MPEG board MD ASSY, IR board Main board Turn table motor ASSY (Spindle) (M902), Optical pick-up (DAX-01A2), Note : Follow the disassembly procedure in the numerical order given. Sled motor ASSY (M901) 3-1.

  • Page 7: Mpeg Board

    3-3. MPEG BOARD MPEG board Cabinet (lower) sub ASSY CN601 3-4. MD ASSY, IR BOARD MD ASSY 1 Flexible board CN501 6 IR board Cabinet (lower) sub ASSY 2 CN502 (white) 3 CN503 (green) 4 CN504 (black) – 7 –...

  • Page 8: Main Board

    3-5. MAIN BOARD Main board Cabinet (lower) sub ASSY 3-6. TURN TABLE MOTOR ASSY (SPINDLE) (M902), OPTICAL PICK-UP (DAX-01A2), SLED MOTOR ASSY (M901) 1 Screws (B1.7) Turn table motor ASSY (Spindle) (M902) Chassis !º Sled motor ASSY (M901) 9 Screws Optical pick-up (+P1.4x2.5) (DAX-01A2)

  • Page 9: 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 π Go to CD-DA Test Mode 4-1. How to Enter the Test Mode Video system reset (return to 100% white 1.

  • Page 10: Electrical Adjustments

    SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. Precautions for Adjustment 5-3. 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 service mode.

  • Page 11: Focus Bias Check

    8. Stop revolving of the disc motor by pressing the π key. 5-4. Focus Bias Check Condition: 9. After the completion of check, reset service mode. • Hold the set in horizontal state. (See page 9.) Connection: oscillscope (AC range) 2k Ω...

  • Page 12: Diagrams

    SECTION 6 DIAGRAMS 6-1. EXPLANATION OF IC TERMINALS • MAIN BOARD (1/2) IC601 CXD2545Q (DIGITAL SIGNAL PROCESSOR, FOCUS/TRACKING/SLED SERVO, EFM COMPARATOR) Pin No. Pin name Description SRON Sled servo drive PWM signal output terminal. Not used (open) SRDR Sled servo drive PWM signal (-) output to the MPC17A51VMEL (IC502). SFON Sled servo drive PWM signal output terminal.
  • Page 13 Pin No. Pin name Description 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-RAM controller (IC681) and DATA MPEG audio/video decoder (IC701). DA15 output when PSSL=“H”, 48-bit slot bit clock signal output when PSSL=“L” BCLK (PSSL (pin $£)=fixed at “L”) Bit clock signal (2.8224 MHz) output to the D-RAM controller (IC681) and MPEG audio/video decoder (IC701).
  • Page 14 Pin No. Pin name Description EXCK Sub-code P-W serial data reading clock signal input terminal. Not used (fixed at “L”) SUBQ Sub-code Q data signal output to the system controller (IC801). SQCK Sub-code Q data reading clock signal input from the system controller (IC801). MUTE Mute signal input terminal.
  • Page 15 • MAIN BOARD IC801 MSM65354-418GS-BK4 (SYSTEM CONTROLLER, LCD DRIVER, KEY CONTROL) Pin No. Pin name Description COM1-4 Common drive signal output to the liquid crystal display. 5-19 SEG0-14 Segment drive signal output to the liquid crystal display. 20-36 – Not used (open). AGND –...
  • Page 16 Pin No. Pin name Description ESP-DATA Serial data output to the D-RAM controller (IC681). ESP-LT Serial data latch pulse signal output to the D-RAM controller (IC681). ESP-SENSE Sense serial data input from the D-RAM controller (IC681). ____________ 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).
  • Page 17 • MPEG BOARD IC701 ES3210 (MPEG AUDIO/VIDEO DECODER) Pin No. Pin name Description – Power supply terminal (+3.3V). _______ DRAS B Row address strobe signal output to the D-RAM (IC703) . “L” active _______ DWE B Write enable signal output to the D-RAM (IC703). “L” active 4 –...
  • Page 18 • MPEG BOARD IC721 TC90A07U (VIDEO ENCODER) Pin No. Pin name Description MIFH Horizontal synchronous signal input from the MPEG audio/video decoder (IC701). MIFFL Vertical synchronous signal input from the MPEG audio/video decoder (IC701). MIFFR Frame synchronous signal output terminal. Not used (open) VBLNKI Video blanking signal input terminal.

  • Page 19: Block Diagram

    6-2. BLOCK DIAGRAM D-V55 • Signal path. : CD L : VIDEO – 19 – – 20 – – 21 – – 22 –...

  • Page 20: Printed Wiring Boards (Main Section)

    D-V55 6-3. PRINTED WIRING BOARDS (MAIN SECTION) Semiconductor Location Ref. No. Location Ref. No. Location J901 D101 B-17 IC601 C-12 [IR BOARD] AUDIO/VIDEO D102 G-16 IC602 E-17 [MAIN BOARD] (SIDE A) D201 B-17 IC681 C-17 (SIDE A) S801 [MAIN BOARD] (SIDE B)

  • Page 21: Schematic Diagram (Main Section)

    6-4. SCHEMATIC DIAGRAM (MAIN SECTION) Refer to page 39 for IC Block Diagrams. Refer to page 32 for Waveforms. D-V55 Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

  • Page 22: Schematic Diagram (Mpeg Section)

    D-V55 6-5. SCHEMATIC DIAGRAM (MPEG SECTION) Refer to page 41 for IC Block Diagram. Waveforms – MAIN Section – Waveforms – MPEG Section – 1.6 Vp-p 0.5 -0.9 3.3 Vp-p 3.2 Vp-p 4.2 Vp-p Vp-p 91.6 ns 22.9 µ s...

  • Page 23: Printed Wiring Boards (Mpeg Section)

    D-V55 6-6. PRINTED WIRING BOARDS (MPEG SECTION) Semiconductor Location Ref. No. Location D451 D452 [MPEG BOARD] [MPEG BOARD] IC451 IC452 (SIDE A) (SIDE B) IC701 IC702 IC703 IC721 IC722 IC723 Q451 Q452 Q453 Q454 MAIN BOARD CN601 (page 23) (11)
  • Page 24 IC Block Diagrams (MAIN SECTION) IC361 BA3574BFS IC321 TC74VHC157FT IC322 TC9434AFNEL IC501 CXA1791N SELECT 11 1 MUTE SW 11 MUTE MUTE 1A 2 STROBE INPUT VREF LD AMP MUTE SW BB SW PD AMP 1.25V INPUT DATA OUTPUT MICRO COMPUTER –...
  • Page 25 IC Block Diagram (MPEG SECTION) IC721 TC90A07U 29 28 27 26 25 24 23 C LEVEL ALIGNMENT C SYNC Y LEVEL ALIGNMENT HSYNC CLPF VSYNC TMS3 GENERATE BURST FLAG VBLNKO BLANKING C SIGNAL GENERRATE MODE LOW-PASS YCdCr CK27I INTERPO- LEVEL FILTER SEPARATOR LATE...

  • Page 26: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference The components identified by mark ! may have some difference from the original number in the exploded views are not or dotted line with mark ! are critical one.

  • Page 27: Cabinet (Lower) Section

    7-2. CABINET (LOWER) SECTION CDM-2901ABA Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-962-025-21 FOOT, RUBBER 4-984-750-11 LID, BATTERY CASE X-4951-144-1 CABINET (LOWER) SUB ASSY * 59 1-674-189-11 IR BOARD 4-984-747-01 KNOB (H-R) 1-793-139-11 LEAD (WITH CONNECTOR) A-3321-971-A MAIN BOARD, COMPLETE A-3321-973-A MPEG BOARD, COMPLETE 4-978-695-01 PLATE, TERMINAL, BATTERY...

  • Page 28: Optical Pick-Up Section (Cdm-2901Aba)

    7-3. OPTICAL PICK-UP SECTION (CDM-2901ABA) not supplied M902 M901 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. No. Part No.

  • Page 29: Electrical Parts List

    SECTION 8 MAIN ELECTRICAL PARTS LIST NOTE : • Due to standardization, replacements in the • SEMICONDUCTORS In each case, u : µ , for example : The components identified by mark ! parts list may be different from the parts uA..
  • Page 30 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C509 1-110-569-11 TANTAL. CHIP 47uF 6.3V C810 1-164-156-11 CERAMIC CHIP 0.1uF C510 1-107-826-91 CERAMIC CHIP 0.1uF C811 1-164-156-11 CERAMIC CHIP 0.1uF C511 1-110-569-11 TANTAL. CHIP 47uF 6.3V C512 1-162-957-11 CERAMIC CHIP 220PF...
  • Page 31 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > Q504 8-729-029-14 TRANSISTOR DTC144EUA-T106 Q505 8-729-029-14 TRANSISTOR DTC144EUA-T106 IC321 8-759-524-10 IC TC74VHC157FT(EL) Q506 8-729-028-91 TRANSISTOR DTA144EUA-T106 IC322 8-759-459-18 IC TC9434AFNEL Q507 8-729-231-74 TRANSISTOR 2SC4116-GL IC361 8-759-386-50 IC BA3574BFS Q601...
  • Page 32 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R504 1-216-845-11 RES, CHIP 100K 1/16W R606 1-216-831-11 RES, CHIP 6.8K 1/16W R505 1-216-850-11 RES, CHIP 270K 1/16W R607 1-216-833-91 RES,CHIP 1/16W R506 1-216-850-11 RES, CHIP 270K 1/16W R608 1-216-857-11 RES, CHIP...
  • Page 33 MAIN MPEG Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VIBRATOR > < IC > X321 1-767-366-21 VIBRATOR, CERAMIC (16.934MHz) IC451 8-759-586-58 IC XC6367B103MR X801 1-579-063-41 VIBRATOR, CERAMIC (4.19MHz) IC452 8-759-530-69 IC XC61AC4502PR IC701 8-759-493-57 IC ES3210 ************************************************************** IC702 8-759-638-33 IC MX23C1010TI-90-SG5...
  • Page 34 D-V55 Ref. No. Part No. Description Remark M901 A-3328-115-A MOTOR ASSY, SLED (SLED) (INCLUDING GEAR) M902 A-3328-114-A MOTOR ASSY, TURN TABLE (SPINDLE) S901 1-571-099-21 SWITCH (1 KEY) (LIMIT) ************************************************************** ACCESSORIES & PACKING MATERIALS ******************************* 1-467-511-41 ADAPTOR, AC (AC-MZ60) (E) 1-418-600-11 REMOTE CONTROL UNIT (RM-DM29)

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