Disassembly; Before Starting Disassembly; Disassembly Method; Parts Hierarchy Chart - Hitachi DV-W1U Service Manual

CHAPTER 2

1. Before Starting Disassembly

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

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)
Top cover
Rear panel
Front cover
IF board
DVD ROM
CD-R
Bottom cover
D I S A S S E M B L Y
IF (INTERRFACE)
BOARD
REG (REGULATOR)
BOARD
Item
2-1
2-1
2-2
2-3
2-3
2-5
2-6
2-6
SW-CDR FLHP
(CDR-SWITCH) (LCD DISPLAY)
BOARD BOARD
JAK
(REAR JACK)
BOARD
Fig. 1-1
Parts to remove
JAK board
REG board
FLHP board
SW-DVD board
SW-CDR board
DEC board
SW-DVD
(DVD SWITCH)
BOARD
DEC (DECK)
BOARD
Item
2-3
2-3
2-4
2-4
2-4
2-5
2 - 1