Table Of Contents - Sony NV-U74 Service Manual
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Also See for NV-U74:
- Instruction manual (54 pages) ,
- Important information manual (28 pages)
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NV-U74
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.
FLEXIBLE CIRCUIT BOARD REPAIRING
•
Keep the temperature of soldering iron around 270 °C during
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
2
TABLE OF CONTENTS
1.
2.
..................................................................
3.
3-1. Disassembly Flow ...........................................................
3-2. Cap ..................................................................................
3-3. Front Block Assy, Rear Panel Block Assy ......................
3-4. Battery Assy (Lithium Ion Battery) (BAT3001) .............
Touch Panel (TPS5001) ..................................................
3-6. MAIN Board ................................................................... 10
3-7. Case (GPS) Assy (ANT001) ........................................... 10
4.
............................................................ 11
5.
5-1. Block Diagram - GPS/MEMORY/LCD Section - .......... 16
5-2. Block Diagram - MAIN Section - ................................... 17
5-3. Block Diagram - POWER SUPPLY Section - ................ 18
- MAIN Board (Component Side) - ................................ 20
- MAIN Board (Conductor Side) - .................................. 21
5-6. Schematic Diagram - MAIN Board (1/10) - ................... 22
5-7. Schematic Diagram - MAIN Board (2/10) - ................... 23
5-8. Schematic Diagram - MAIN Board (3/10) - ................... 24
5-9. Schematic Diagram - MAIN Board (4/10) - ................... 25
5-10. Schematic Diagram - MAIN Board (5/10) - ................... 26
5-11. Schematic Diagram - MAIN Board (6/10) - ................... 27
5-12. Schematic Diagram - MAIN Board (7/10) - ................... 28
5-13. Schematic Diagram - MAIN Board (8/10) - ................... 29
5-14. Schematic Diagram - MAIN Board (9/10) - ................... 30
5-15. Schematic Diagram - MAIN Board (10/10) - ................. 31
5-16. Printed Wiring Board - MS DUO Board - ...................... 32
5-17. Schematic Diagram - MS DUO Board - ......................... 32
6.
6-1. Front Block Assy Section ............................................... 48
6-2. Rear Panel Block Assy Section ....................................... 49
7.
Accessories are given in the last of the electrical parts list.
.............................................
.............................. 50
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