Page 2
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 3
CDX-L480X UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.) : LEAD FREE MARK Unleaded solder has the following characteristics.
CDX-L480X SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. 2-5. CHASSIS (T.U) ASSY 2-1. SUB PANEL ASSY (Page 9) (Page 7) 2-6. DISC IN BOARD 2-7. SERVO BOARD 2-2. CD MECHANISM BLOCK (Page 10)
CDX-L480X 2-2. CD MECHANISM BLOCK 7 bracket (CD) 5 CD mechanism block 6 PTT 2.6x4 2 PTT 2.6x6 1 PTT 2.6x6 4 CNP301 2-3. MAIN BOARD 3 PTT 2.6x6 (ground point) 5 MAIN board 4 PTT 2.6x6 (ground point) 1 PTT 2.6x6...
CDX-L480X 2-4. HEAT SINK 5 heat sink 3 PTT 2.6x8 2 PTT 2.6x12 1 PTT 2.6x8 2-5. CHASSIS (T.U) ASSY 2 P 2x3 3 P 2x3 1 Unsolder the 4 chassis (T.U) assy lead wires. black white...
Page 14
CDX-L480X Pin No. Pin Name Pin Description X_EN Not used. (Open) LIMIT CD mechanism deck Limit switch detection input Not used. (Open) D_SW CD mechanism deck Down switch detection input INSW CD mechanism deck Disc in switch detection input Not used. (Open)
CDX-L480X 3-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 17 for Circuit Boards Location. : Uses unleaded solder. THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.)
CDX-L480X 3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 17 for Waveforms and page 18 for Common Note on Schematic Diagram. • Refer to page 26 for IC Block Diagrams. TP9 TP8 TP77 TP78 TP89 TP79...
CDX-L480X 3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 17 for Waveforms and page 18 for Common Note on Schematic Diagram. • Refer to page 26 for IC Block Diagrams. J330 C332 C333 JC29 C765 C764...
CDX-L480X SECTION 4 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. Example : 0 are critical for safety.
CDX-L480X 4-2. FRONT PANEL SECTION LCD901 not supplied not supplied not supplied (KEY board) supplied supplied not supplied supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3382-710-1 PANEL SUB ASSY, FRONT X-3383-264-1 CASE ASSY (for FRONT PANEL)
CDX-L480X 4-3. CD MECHANISM SECTION (1) (MG-393XA-121//Q) not supplied supplied not supplied not supplied not supplied M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3315-247-B CHASSIS (T.U) ASSY 3-225-784-01 SPRING (RA3), TENSION 3-931-909-01 SPRING (LR), TENSION...
CDX-L480X 4-5. CD MECHANISM SECTION (3) (MG-393XA-121//Q) M901 not supplied (LIMIT board) M902 not supplied (SUB (CD) board) The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.
CDX-L480X SECTION 5 DISC IN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
Page 36
CDX-L480X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C757 1-124-233-11 ELECT 10uF < JUMPER RESISTOR > C758 1-124-233-11 ELECT 10uF C759 1-124-233-11 ELECT 10uF 1-216-296-11 SHORT CHIP C760 1-124-584-00 ELECT 100uF JC21 1-216-296-11 SHORT CHIP...
Page 37
CDX-L480X MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R532 1-216-845-11 METAL CHIP 100K 1/10W R533 1-216-845-11 METAL CHIP 100K 1/10W 1-216-821-11 METAL CHIP 1/10W R534 1-216-833-11 METAL CHIP 1/10W 1-216-809-11 METAL CHIP...
Page 38
CDX-L480X SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-125-837-11 CERAMIC CHIP 6.3V 1-216-833-11 METAL CHIP 1/10W 1-162-970-11 CERAMIC CHIP 0.01uF 1-216-833-11 METAL CHIP 1/10W 1-162-970-11 CERAMIC CHIP 0.01uF 1-216-789-11 METAL CHIP 1/10W 1-162-970-11 CERAMIC CHIP 0.01uF...
Page 39
CDX-L480X Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS *************************************** X-3382-647-1 FRAME ASSY, FITTING X-3382-926-1 SCREW ASSY (BS), FITTING 3-349-410-11 BUSHING 3-246-468-01 COLLAR 1-465-459-21 ADAPTOR, ANTENNA 3-246-471-01 KEY (FRAME) 1-776-527-61 CORD (WITH CONNECTOR) (ISO) (POWER)
Page 40
CDX-L480X REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2002. 12...
Need help?
Do you have a question about the CDX-L480X and is the answer not in the manual?
Questions and answers