HITACHI DV-W1U
Service Manual

CHAPTER 2
1) Unplug the power cord from the AC outlet. 2) [Removal procedure]

DISASSEMBLY
SW-CDR (CDR-SWITCH) BOARD IF (INTERRFACE) BOARD FLHP (LCD DISPLAY) BOARD SW-DVD (DVD SWITCH) BOARD

1. Before Starting Disassembly
If a special procedure is required when dismantling any component, it is indicated using numbers. Follow the numbers (1),(2),(3) ... shown in the illustrations. [Reinstallation procedure] Reinstall each component in the reverse order to removal when otherwise not specified. 3) Insert card connectors securely all the way as they are of the direct insertion type.
REG (REGULATOR) BOARD JAK (REAR JACK) BOARD

DEC (DECK) BOARD

Fig. 1-1

2. Disassembly Method
When replacing defective parts, first refer to the "Parts hierarchy chart" shown below. This chart shows the procedure for parts removal when replacing defective parts. [How to use the parts hierarchy chart] (1) Locate the part to be replaced. (2) Check the parts in the ranks above the part to be replaced and start dismantling. (3) Replace the defective part and reinstall the parts in the reverse order to that shown in the parts hierarchy chart.

Parts Hierarchy Chart
Note: Dismantle parts in the eject state.

Parts to remove Side cover (L), (R)

Item 2-1

Parts to remove

Item

Top cover

2-1

Rear panel

2-2

JAK board REG board

2-3 2-3 2-4 2-4 2-4 2-5

Front cover

2-3

FLHP board SW-DVD board

IF board

2-3

SW-CDR board DEC board

DVD ROM

2-5

CD-R

2-6

Bottom cover

2-6

2-1