Service Manuals, User Guides, Schematic Diagrams or docs for : Hitachi Monitor Hitachi_32LD380TA_[SM]

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YK No.024E

SERVICE MANUAL 32LD380TA

The LCD panel made from AUO is used for this product.

Caution
Be sure to read this manual before servicing. To ensure safety from fire, electric shock, injury, harmful
radiation and materials, various measures are provided in this Plasma Monitor.
Be sure to read cautionary items described in the manual before servicing.
These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric
shock, do not perform any servicing other than that described in the operating instructions unless you
are qualified to do so.

Service Warning
1. Since the Panel Module and the front Filter are made of glass, handling the broken Module and Filter
carefully and with caution in order not to receive injury.
2. Replacement work should be started after the Panel Module and the AC/DC Power supply have
become sufficiently cool.
3. Special care should be taken when working near the display area in order not to damage its surface.
4. The Panel Module should not be touched with bare hands in order to protect its surface from
blemishes and damage.
5. It is recommended that you use clean soft gloves during the replacement work in order to protect not
only the display area of the Panel Module but also yourself.

Contents
LOCATION OF CONTROL---------------------------- 3 BLOCK DIAGRAM ------------------------------------ 17
REMOTE CONTROL ----------------------------------- 4 PRINTED CIRCUIT BOARDS---------------------- 23
GENERAL SPECIFICATIONS ----------------------- 5 INTERCONNECTION DIAGRAM ----------------- 29
DISASSEMBLY INSTRUCTIONS ----------------- 11 MECHANICAL EXPLODED VIEW ---------------- 30
SERVICE MODE LIST ------------------------------- 13 MECHANICAL REPLACEMENT PARTS LIST ------- 33
WHEN REPLACING EEPROM -------------------- 13 ELECTRICAL REPLACEMENT PARTS LIST -------- 35
ELECTRICAL ADJUSTMENTS -------------------- 14

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

LCD Display
January 2006 Digital Media Division
CAUTION FOR SAFETY
Please read this page before repair the monitor.
This page explains to following items for keep the safety of set and prevent to accident
during repair work.
We explain by symbol at happen the damage or injury when took wrong repair.

Warning This symbol means "possible to die or heavy damage"

Caution This symbol means "possible to damage or something will break"

We made the symbol as below, which are kind of following items.

This symbol means "CAUTION" This symbol means "MUST"

This symbol means "POSSIBLE to
This symbol means "DO NOT"
ELECTRIC SHOCK"

WARNING
Should be follows to instructions. Should be kept same style of wiring or component.
We indicates to cabinet, chassis and Monitor uses tubes or tapes, which
parts by label, which are special atten- made by insulator, and some compo-
tion part. nents are keep distance from surface of
PWB for safety.
Please follow to note and [Safety
Internal leads kept from hot part or high
Instructions] of User's Manual.
voltage part by clamper or styling, so
Prevent the electric shock.
please return to original condition for
Please take care during working prevent to electric shock or fire.
because monitor has high voltage part Should be done safety check after finished.
and power supply part. Every part (removed screws, compo-
Possible to die if you touch to these nent and wiring) should be returned to
place by miss take. previous condition.
Please disconnect power plug during Check around repair position for make
overhaul, reassemble or change parts. damage by miss take and measure the
You will die or take damage by electric insulated impedance by meg-ohm
shock if you touch to live part. meter.
Use recommended components. Confirm the value of impedance, that
value is more than 4M ohm.
Please use to same characteristic com-
It is reason for electric shock or fire if
ponent, which is same as previous for
that value is less than 4M ohm.
your safety and keep reliability espe-
Nobody can check and repair to the code
cially marked by in parts list and cir-
and combination circuit of HDCP.
cuit diagram. Never remove the shield case, which is
It is reason of electric shock or fire if assembled to the code and combination
you use non-recommended compo- circuit of HDCP.
nent.

2
Location of controls

You can adjust the angle of Anti-Tumble Measure
the TV-screen for 2

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