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.
SCD-XA1200ES SECTION 1 SERVICING NOTES CLEANING OF OPTICAL PICK-UP LENS NOTES ON HANDLING THE OPTICAL PICK-UP In cleaning the lens of optical pick-up, use the air blower. BLOCK OR BASE UNIT Never use a cotton swab for cleaning the lens of optical pick-up, The laser diode in the optical pick-up block may suffer electrostatic which otherwise causes a trouble.
SCD-XA1200ES SECTION 2 This section is extracted from instruction manual. GENERAL Front Panel TIME/TEXT MENU MULTI/2CH SA-CD/CD POWER PHONES PHONE LEVEL PUSH ENTER A POWER switch F N button M MENU button Press to enter the menu. B TIME/TEXT button...
SCD-XA1200ES SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CASE (Page 5) 3-3. LOADING PANEL ASSY 3-5. MAIN BOARD (Page 6) (Page 7) 3-4. MECHANISM DECK 3-6. FRONT PANEL ASSY...
SCD-XA1200ES 3-3. LOADING PANEL ASSY 3 four claws 4 loading panel assy cam (66) 1 Rotate the cam (66) with a screw driver in the direction of arrow A . 3-4. MECHANISM DECK (CDM66D-DVBU50) 3 three screws (BVTT3 × 8)
SCD-XA1200ES SECTION 4 TEST MODE PANEL CHECK MODE Procedure: 1. While shorting the land A of the figure below and ground, knob, press the [POWER] button and pressing the . AMS > to turn the power on. 2. When enter the panel check mode, fluorescent indicator tube and LEDs all light up for 5 seconds.
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SCD-XA1200ES TEST MODE 1. Entering The Test Mode While press the [MENU] button and knob, press the . AMS > [POWER] button to turn the power on and enter the test mode and display “DIAG MODE”. 2. Operating The Test Mode Procedure: 1.
SCD-XA1200ES Ver. 1.1 SECTION 5 ELECTRICAL ADJUSTMENTS Adjust it as follows after the optical traverse unit (DBU-3), WALTZ- 3. OPTICAL SENSITIVITY CHECK RF board, MAIN board, master controller (IC705), SA-CD/CD Connection: decoder (IC706) and EEPROM (IC702) are replaced. oscilloscope Adjustments Frow MAIN board 1.
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SCD-XA1200ES 4. MODE SETTING FOR SHIPPING Perform this setting when the EEPROM (IC702) on the MAIN board is replaced. Procedure: 1. While pressing the [MENU] button and jog press . AMS > the [POWER] button to turn the power on and enter the Test Mode and display “DIAG MODE”.
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SCD-XA1200ES • Note for Printed Wiring Boards and Schematic Diagrams • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: TRANS board • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. (p: pF) •...
SCD-XA1200ES • See page 32 for IC Block Diagrams. • See page 33 for IC Pin Function Description. 6-10. SCHEMATIC DIAGRAM – MAIN Section (3/5) – (3/5) (Page 23) RB612 RB607 (Page 22) (Page 22) CN703 RB606 FL606 R701 IFSI0...
SCD-XA1200ES • See page 17 for Circuit Boards Location. 6-15. PRINTED WIRING BOARDS – POWER SUPPLY Section – : Uses unleaded solder. AC INLET BOARD T102 SUB POWER TRANSFORMER C111 C110 CN113 L110 MAIN LINE BOARD FILTER CN981 (Page 21)
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SCD-XA1200ES • IC Pin Function Description WALTZ-RF BOARD IC001 SP3726A (SA-CD/CD RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name Description RFIP RF signal input from the optical traverse unit RFIN RF signal input terminal Not used Tracking low-pass filter terminal...
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SCD-XA1200ES Pin No. Pin Name Description Ground terminal (for RF block and serial port) 54, 55 FNN, FNP Differential filter normal signal output terminal 56, 57 DIP, DIN Analog signal input terminal for RF single buffer RF AGC gain control terminal...
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SCD-XA1200ES MAIN BOARD IC705 HD6432238RP02TEV (MASTER CONTROLLER) Pin No. Pin Name Description SDATA_DAC Serial data output to the D/A converter SCLK_DAC Serial data transfer clock signal output to the D/A converter SLATR_DAC Serial data latch pulse signal output to the D/A converter...
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SCD-XA1200ES Pin No. Pin Name Description Not used Not used Read enable signal output to the SA-CD/CD decoder Write enable signal output to the SA-CD/CD decoder XWRST Reset signal output to the SA-CD/CD decoder "L": reset XWAIT Wait signal input from the SA-CD/CD decoder SMUTE Soft muting on/off control signal output to the SA-CD/CD decoder "H": muting on...
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SCD-XA1200ES MAIN BOARD IC706 CXD2754Q (SA-CD/CD DECODER) Pin No. Pin Name Description CKVDD Power supply terminal (+1.8V) (for clock multiplier PLL) CKVSS Ground terminal (for clock multiplier PLL) MCKI System clock (11.2896 MHz) signal input terminal 4, 5 System clock setting terminal Fixed at 11.2896 MHz in this set...
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SCD-XA1200ES Pin No. Pin Name Description DSPHREFI Phase reference signal input terminal (for DSD output phase modulation) Not used DSPHREFO Phase reference signal output to the D/A converter (for DSD output phase modulation) VDDSD0 Power supply terminal (+3.3V) (for DSD data output)
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SCD-XA1200ES Pin No. Pin Name Description XCAS Column address strobe signal output to the SD-RAM VDC7 Power supply terminal (+1.8V) (for core) VSC7 Ground terminal (for core) XMWR Write enable signal output to the SD-RAM MCKE Clock enable signal output to the SD-RAM...
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SCD-XA1200ES Pin No. Pin Name Description SSIMON0 Not used Pull-in signial input from the SA-CD/CD RF amplifier (for internal Tracking zero crossing signal PI_F generation) Tracking error signal input from the SA-CD/CD RF amplifier (for internal Tracking zero crossing TE_F...
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SCD-XA1200ES DISPLAY BOARD IC801 uPD780232GC-706-8BT-A (DISPLAY CONTROLLER) Pin No. Pin Name Description VDD1 Power supply terminal (+3.3V) VSS1 Ground terminal System clock input terminal (5 MHz) System clock output terminal (5 MHz) Not used System reset signal input from the reset signal generator "L": reset XRESET For several hundreds msec.
SCD-XA1200ES 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 0 or dotted line with mark 0 are may have some difference from the original are seldom required for routine service.
SCD-XA1200ES 7-2. DISPLAY BOARD SECTION not supplied not supplied (ACSW board) not supplied (DISPLAY board) not supplied (KEY-L board) not supplied not supplied (HP board) J881 RV881 not supplied supplied not supplied supplied with J881 (KEY-R board) not supplied supplied...
SCD-XA1200ES 7-4. MAIN BOARD SECTION supplied not supplied (TRANS board) not supplied not supplied not supplied T101 (AC INLET board) supplied supplied J110 supplied T102 not supplied not supplied not supplied not supplied not supplied Note: If Ref. No. 154 is replaced, install it after bending it in the same form as that before replacement.
SCD-XA1200ES SECTION 8 AC INLET ACSW DISPLAY ELECTRICAL PARTS LIST NOTE: • Items marked “*” are not stocked since they • Due to standardization, replacements in the The components identified by mark 0 or dotted line with mark 0 are parts list may be different from the parts are seldom required for routine service.
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SCD-XA1200ES DISPLAY KEY-L KEY-R LOADING MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > R826 1-216-833-11 METAL CHIP 1/10W R827 1-216-845-11 METAL CHIP 100K 1/10W S861 1-762-875-21 SWITCH, KEYBOARD (MENU) R828 1-216-845-11 METAL CHIP...
SCD-XA1200ES REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2006.08 2007.07...
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