Page 1
CDP-LSA1 SERVICE MANUAL AEP Model UK Model Model Name Using Similar Mechanism CD Mechanism Type CDM55B-21BD53A Base Unit Type BU-21BD53A Optical Assy A-MAX.2 SPECIFICATIONS Compact disc player Supplied accessories Laser Semiconductor laser (λ = 800 nm) i.LINK connecting calbe (4 pins - 4 pins) (1)
TABLE OF CONTENTS 1. SERVICING NOTES ............3 2. GENERAL ................5 3. DISASSEMBLY 3-1. Case (Top) ................9 3-2. CD Mechanism Deck ............10 3-3. Base (Front) Assy, Panel ............. 10 3-4. Sub Main Board and Main Board ........11 3-5.
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 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 4
• AFTER REPAIRING THE UNIT, PERFORM THE FOLLOWING STEPS BEFORE RETURNING TO CUSTOMER. Open tray. While pressing the DISPLAY button, press the Z button, the x button, and the . button in that order. Check to make sure that the STANDBY indicator lights up and remove the AC cord from its socket. Insert cushion in tray and close tray manually.
SECTION 2 This section is extracted from instruction manual. GENERAL Remote sensor STANDBY indicator DISPLAY button and indicator A button PLAY/PAUSE indicator 7 button x button > button and indicator . button and indicator H.A.T.S. indicator +/1 button...
SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. Case (Top) CD Mechanism Deck Tray, Gear And Cam Base Unit-1 (Page 10) (Page 12) (Page 12) Base (Front) Assy, Panel (Page 10) Base Unit-2 (BU-21BD53A) Optical pick-up Section (CD) (Page 13) (Page 13)
3-2. CD MECHANISM DECK 5 CD mechanism deck 3 screw (BVTT 3x6) Note : Be careful not to damage the surface of the tray in the case of the installation and the removal. two claws 1 flat type wire (31 core) (CN520) 2 connector (CN650) 3-3.
3-4. SUB MAIN BOARD AND MAIN BOARD 2 SUB MAIN board 3 connector (CNP701) 6 two screws (BVTP 3x8) 5 two screws (BVTP 3x8) 8 MAIN board 1 connector (CN992) 4 two screws (BVTT 2.6x6) 3-5. TRANS BOARD 4 four screws 1 connector (BVTT 3x6) (CN752)
3-6. TRAY, GEAR AND CAM 4 belt (CDM55) 5 spacer (55) 6 pulley (LDG) 8 gear (B) 9 gear (A) 7 roller 0 cam (CDM55) 2 Push the claw in tne direction of arrow C. 1 Pull out the tray in the arrow direction A, and release the lock while pressing this claw in the arrow direction B.
3-10. BD BOARD 6 BD board 1 flat type wire (14 core) (CN102) 4 Remove the two solders. sled motor 3 screw (BTP 2.6x6) 2 flat type wire (31 core) (CN101) spindle motor 5 Remove the two solders.
SECTION 4 TEST MODE Note that in order to enter test mode, it is first necessary to turn off test mode disabling. 4-1. How to release from test mode prohibition 1. While pressing the DISPLAY button, press the A button. 2.
Page 16
4-3. CD TEST MODE 1. While pressing the DISPLAY button, press the x button. 2. First release the x button press and then release the DISPLAY button. The following menu is displayed in CD TEST MODE. The . and > buttons may be used to make selections from this menu. The DISPLAY button is used to confirm menu selections and to enter test mode.
Page 17
MODE DISPLAY DESCRIPTION Display after execution Note A>TRK ON Tracking servo on/off for E-F Switches each time DISPLAY balance button is pressed. TRK ON y TRK OFF B>SJI Used for E-F balance and S- Press DISPLAY button to begin. character checking. Press DISPLAY button again to end.
Page 18
4-4. i.LINK TEST MODE DISPLAY “0”, “1”, and “2” will be displayed each time the DISPLAY button is pressed and the command will then be executed. Note DISPLAY 1 DISPLAY 2 Description DISPLAY 0 <[BACK]> The display mode will change every time D>i.LINK check the DISPLAY button is pressed.
Page 19
DISPLAY 0 DISPLAY 1 DISPLAY 2 Description Note LINK IC [44] 0044 zzzzzzzz FUNCTION LINK IC Register [44] LINK IC [48] 0048 zzzzzzzz FUNCTION LINK IC Register [48] LINK IC [4C] 004C zzzzzzzz FUNCTION LINK IC Register [4C] LINK IC [50] 0050 zzzzzzzz FUNCTION LINK IC Register [50]...
Page 20
26 Not linear PCM Sony DVs are designed to allow the use of 63 channels. MDs also have the same design, and it is impossible to use the same channel after it has already been used (i.e., the same...
SECTION 5 ELECTRICAL ADJUSTMENTS Note : Note: Clear RF signal waveform means that the shape “◊” can be 1. CD Block is basically designed to operate without adjustment. clearly distinguished at the center of the waveform. Therefore, check each item in order given. RF signal waveform 2.
Page 22
Adjustment Location : [ BD BOARD ] — SIDE B — TP(VC) TP(FE) TP(TE) TP(RFAC) TP(XPCK) IC103...
CDP-LSA1 SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION THIS NOTE IS COMMON FOR PRINTED WIRING • Indication of transistor BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) These are omitted. For schematic diagrams.
CDP-LSA1 6-3. PRINTED WIRING BOARD – BD SECTION – • See page 23 for Circuit Board Location. • Semiconductor Location Ref. No. Location • Semiconductor IC101 Location IC102 IC103 Ref. No. Location IC171 IC191 IC104 There are a few cases that the part isn't mounted...
CDP-LSA1 6-4. SCHEMATIC DIAGRAM – BD SECTION – • See page 33 for Waveforms. • See page 40 for IC Block Diagrams. • See page 41 for IC Pin Functions. FUNCTION OPTICAL ASSY (A-MAX.2)
CDP-LSA1 6-8. SCHEMATIC DIAGRAM – MAIN (2/3) SECTION – • See page 28 for Printed Wiring Board. This is a written EEPROM. Not supplied in independently but is supplied as the MAIN BOARD, COMPLETE. FUNCTION...
CDP-LSA1 6-12. PRINTED WIRING BOARD – POWER SECTION – • See page 23 for Circuit Board Location. There are a few cases that the part isn't mounted in model is printed on diagram.
CDP-LSA1 6-14. PRINTED WIRING BOARD – FLEXIBLE SECTION – • See page 23 for Circuit Board Location. OPTICAL ASSY (A-MAX.2) FLEXIBLE BOARD (Not supplied) (PAGE 26) FOCUS COIL TRACKING COIL There are a few cases that the part isn't mounted...
6-15. PRINTED WIRING BOARD – LOADING SECTION – • See page 23 for Circuit Board Location. (Page 29) (OPEN/CLOSE SW) There are a few cases that the part isn't mounted in model is printed on diagram. 6-16. SCHEMATIC DIAGRAM – LOADING SECTION – OPEN/CLOSE SWITCH CLOSE...
Page 40
6-17. IC PIN FUNCTIONS IC103 CXA2581N (BD BOARD) OFST RW/ROM RFDCI DVCC 11 RFDCO EQ IN 26 RFC 25 VFC 24 BST AC SUM ON/OFF 23 RFG VOFST 22 VCC RW/ROM VOFST RW/ROM RW/ROM 19 TE_BAL RW/ROM DVCC 18 TE APC-OFF(Hi-Z) RW/ROM SW 12...
Page 41
6-18. IC PIN FUNCTIONS • IC101 CXD3008Q DIGITAL SIGNAL PROCESSOR (BD BOARD) Pin No. Pin Name Function DVDD0 — Digital power supply XRST System reset MUTE Muting selection pin DATA Serial data input, supplied from CPU XLAT Latch input, supplied from CPU CLOK Serial data transfer clock input, supplied from CPU SENS...
Page 42
Pin No. Pin Name Function Tracking error signal input Center servo analog input RFDC RF signal input ADI0 Test pin (Not used) AVSS0 — Analog ground IGEN Power supply pin operational amplifiers AVDD — Analog power supply ASYO EFM full swing output ASYI Asymmetry comparate voltage input RFAC...
Page 43
• IC501 M30624FGLFP-301FP1 SYSTEM CONTROL (MAIN BOARD) Pin. No. Pin Name Function FLDATA Serial data signal output to the display driver. FLCLK Serial clock signal output to the display driver. FLRESET Reset signal output to the display driver. FLLAT Serial latch signal output to the display driver. Not used.
Page 44
Pin. No. Pin Name Function — Ground. 65 to 72 A7 to A0 Address bus signal output for IEEE1394. 73 to 88 D15 to D0 Data bus signal output for IEEE1394. RESET(1394) Reset signal output for IEEE1394. KEY1 Key input. KEY0 Key input.
Page 45
• IC530 CXD3202AR AUDIO LINK (MAIN BOARD) Pin. No. Pin Name Function — Ground. 512FSI 512 fs input (used for flow control and ATRAC reception) (Conected to ground.) — Ground. XREQO/I ATRAC data request (Output for transmission, input for reception) (Pull up R) ADTI ATRAC transmission data input (Conected to ground.) XLATI...
Page 46
Pin. No. Pin Name Function — Ground. XINT Interrupt signal transmitted to host. (Not used.) Chip select signal from host Write signal from host Read signal from host Address latch signal from host (enabled for M16); Fixed at "H" for Intel XRDY Ready signal transmitted to host (L = Ready) —...
Page 47
Pin. No. Pin Name Function XCAS/TS20 DRAM XCAS. (Not used.) XOE/TS19 DRAM XOE. (Not used.) DRAM XWE. (Not used.) — Ground. 127 to 134 DT15 to 8 DRAM data bit 15 to 8. (Not used.) — Power supply. 136 to 143 DT7 to 0 DRAM data bit 7 to 0.
Page 48
• IC503 CXD1945R PHY, I LINK I/F (MAIN BOARD) Pin. No. Pin Name Function Connected to ground. Connected to ground. DVSS — Ground. DVSS — Ground. Link power status. Indicates whether link power is off or on. L: OFF H: ON LREQ Link request.
Page 49
Pin. No. Pin Name Function Arbitration / strobe output; arbitration / speed signal / data input. Reverse-phase I/O pins.(Not used) TA1P TBON Arbitration / speed signal / data output; arbitration / strobe input. Reverse-phase I/O pins. TB0P Arbitration / speed signal / data output; arbitration / strobe input. Reverse-phase I/O pins. TA0N Arbitration / speed signal / data output;...
SECTION 7 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may The components identified by mark 0 or dotted line with mark 0 are critical for safety. have some differences from the original one. Replace only with part number specified. •...
7-2. CHASSIS SECTION CDM55B-21BD53A T751 not supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-225-902-01 PANEL,BACK 4-225-913-01 PANEL, LOADING...
SECTION 8 ELECTRICAL PARTS LIST NOTE: Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks • Due to standardization, replacements in the • COILS When indicating parts by reference number, parts list may be different from the parts uH: µH please include the board name.
Page 55
FLEXIBLE LOADING MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R127 1-216-033-00 METAL CHIP 1/10W 1-115-339-11 CERAMIC CHIP 0.1uF 1-163-009-11 CERAMIC CHIP 0.001uF R128 1-216-033-00 METAL CHIP 1/10W R151 1-216-097-11 RES-CHIP 100K 1/10W < JUMPER RESISTOR > R152 1-216-093-91 RES-CHIP 1/10W...
Need help?
Do you have a question about the CDP-LSA1 and is the answer not in the manual?
Questions and answers