Hitachi DV-W1U specifications Chapter S a S S E M B L Y

Page 13

CHAPTER 2

D I S A S S E M B L Y

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

SW-CDR

FLHP

(CDR-SWITCH)

(LCD DISPLAY)

BOARD

BOARD

IF (INTERRFACE)

BOARD

SW-DVD

(DVD SWITCH)

 

 

BOARD

REG (REGULATOR)

BOARD

JAK

(REAR JACK)

BOARD

DEC (DECK)

BOARD

Fig. 1-1

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

Item

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Side cover (L), (R)

2-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Top cover

2-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rear panel

2-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Front cover

2-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IF board

2-3

 

 

 

 

 

 

 

 

Parts to remove

Item

 

 

JAK board

 

2-3

REG board

 

 

2-3

FLHP board

 

 

 

 

2-4

SW-DVD board

 

2-4

 

 

 

 

 

 

 

 

SW-CDR board

 

2-4

 

 

 

DVD ROM

2-5

DEC board

2-5

CD-R

2-6

 

Bottom cover

2-6

 

 

 

 

 

 

 

 

 

2 - 1

Image 13
Contents DV-W1U Hitachi Sales Corporation Safety PrecautionsValue units used in parts list Contents Chapter General Information CD-R/RWCRD-RA1WO2 UL/CSA/FCCDVD/VCD/CD-DA CVD/SVCD/DVCD CD-R/CD-RW NtscAccessories Troubleshooting Audio Circuit Breakdown CRD-RA1 No Sound Are There SignalsCheck IC1512 and IC1513 REC Standby Track noRecorder Drive Player DriveChapter S a S S E M B L Y Disassembly Procedure Diagrams JAK board and REG board DVD-ROM and DEC board P L O D E D E W Symbol Description Mechanical Parts List Electrical Parts ListElectrolytic 10UF Description Symbol Chip Resistor 56KOHM+-5% 0.1W Transformer DEC DeckCD-R DVD-ROMLCD Display Flhp LCD Display Flhp Schematic DiagramCDR Switch SW-CDR Schematic Diagram PG2201 Rear Jack JAK Schematic DiagramRegulator REG Regulator REG Schematic DiagramDECK-1 DEC DECK-1 DEC Schematic DiagramMpeg Decoder DECK-2 DECDEC Circuit Board SW-CDR Circuit Board Identification of Parts Location SW-DVD Circuit BoardJAK JAK Circuit Board Identification of Parts LocationIdentification of Parts Location IF, REG Circuit BoardsFlhp Flhp Circuit BoardBlock Diagram DV-W1U