Read Sony CMT-LX50WMR / HCD-LX50WMR Service Manual online
HCD-LX50WMR
2
1.
SERVICING NOTES
............................................. 3
2. DISASSEMBLY
2-1. Disassembly
Flow
........................................................... 5
2-2. Panel
(Back)
.................................................................... 5
2-3. CD Block, Panel (Front) Block ....................................... 6
2-4. MAIN
2-4. MAIN
Board
................................................................... 6
2-5. PANEL
Board
................................................................. 7
2-6. CD Mechanism Block
(CDM80BT-F4BD94UR-WOD) .................................... 7
2-7. Belt
(MOT)
..................................................................... 8
2-8. Base Unit (BU-F4BD94UR-WOD) ................................ 8
3.
TEST MODE
............................................................
9
4. ELECTRICAL
ADJUSTMENTS
........................ 11
5. DIAGRAMS
5-1. Block Diagram - CD, TUNER Section - ........................ 12
5-2. Block Diagram - WM-PORT, USB Section - ................. 13
5-3. Block Diagram - MAIN Section - ................................... 14
5-4. Printed Wiring Board - CD Board - ................................ 16
5-5. Schematic Diagram - CD Board - ................................... 17
5-6. Printed Wiring Boards - WM-PORT, USB Section - ...... 18
5-7. Schematic Diagram - WM-PORT, USB Section - .......... 19
5-8. Schematic Diagram - WM/USB Board (1/2) - ............... 20
5-9. Schematic Diagram - WM/USB Board (2/2) - ............... 21
5-10. Printed Wiring Boards - MAIN Section - ....................... 22
5-11. Schematic Diagram - MAIN Section (1/3) - ................... 23
5-12. Schematic Diagram - MAIN Section (2/3) - ................... 24
5-13. Schematic Diagram - MAIN Section (3/3) - ................... 25
5-14. Printed Wiring Boards - PANEL Section - ..................... 26
5-15. Schematic Diagram - PANEL Section - .......................... 27
5-16. Printed Wiring Boards - AUDIO IN/OUT, KEY,
5-2. Block Diagram - WM-PORT, USB Section - ................. 13
5-3. Block Diagram - MAIN Section - ................................... 14
5-4. Printed Wiring Board - CD Board - ................................ 16
5-5. Schematic Diagram - CD Board - ................................... 17
5-6. Printed Wiring Boards - WM-PORT, USB Section - ...... 18
5-7. Schematic Diagram - WM-PORT, USB Section - .......... 19
5-8. Schematic Diagram - WM/USB Board (1/2) - ............... 20
5-9. Schematic Diagram - WM/USB Board (2/2) - ............... 21
5-10. Printed Wiring Boards - MAIN Section - ....................... 22
5-11. Schematic Diagram - MAIN Section (1/3) - ................... 23
5-12. Schematic Diagram - MAIN Section (2/3) - ................... 24
5-13. Schematic Diagram - MAIN Section (3/3) - ................... 25
5-14. Printed Wiring Boards - PANEL Section - ..................... 26
5-15. Schematic Diagram - PANEL Section - .......................... 27
5-16. Printed Wiring Boards - AUDIO IN/OUT, KEY,
POWER SUPPLY Section - ............................................ 28
5-17. Schematic Diagram - AUDIO IN/OUT, KEY,
POWER SUPPLY Section - ............................................ 29
6.
EXPLODED VIEWS
6-1. Panel (Back) Section ....................................................... 40
6-2. Panel (Front) Section ...................................................... 41
6-3. Stage (Top) Section ......................................................... 42
6-4. MAIN Board Section ...................................................... 43
6-5. CD Mechanism Section
6-2. Panel (Front) Section ...................................................... 41
6-3. Stage (Top) Section ......................................................... 42
6-4. MAIN Board Section ...................................................... 43
6-5. CD Mechanism Section
(CDM80BT-F4BD94UR-WOD) .................................... 44
6-6. Base Unit Section (BU-F4BD94UR-WOD) ................... 45
7.
ELECTRICAL PARTS LIST
.............................. 46
Accessories are given in the last of the electrical parts list.
TABLE OF CONTENTS
NOTES ON CHIP COMPONENT REPLACEMENT
•
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
aged by heat.
FLEXIBLE CIRCUIT BOARD REPAIRING
•
•
Keep the temperature of soldering iron around 270 °C during
repairing.
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
or unsoldering.
SAFETY-RELATED COMPONENT WARNING!
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
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
This appliance is classifi ed as
a CLASS 1 LASER product.
This marking is located on the
rear or bottom exterior.
a CLASS 1 LASER product.
This marking is located on the
rear or bottom exterior.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specifi ed herein may result in hazardous radia-
tion exposure.
Use of controls or adjustments or performance of procedures
other than those specifi ed herein may result in hazardous radia-
tion exposure.
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