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32LD380TA Schematic ( Datenblatt PDF ) - Hitachi

Teilenummer 32LD380TA
Beschreibung LCD Display SERVICE MANUAL
Hersteller Hitachi
Logo Hitachi Logo 

Gesamt 36 Seiten
		
32LD380TA Datasheet, Funktion
SERVICE MANUAL
YK No.024E
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 re, 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 qualied 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 qualied 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 sufciently 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






32LD380TA Datasheet, Funktion
G-7 On Screen
Display
GENERAL SPECIFICATIONS
Menu (TV)
Menu (PC)
Menu Type
Picture
Brightness
Contrast
Color
Tint (NTSC Only)
Sharpness
DNR On/Off
Color Temperature
Blue Back
Film Mode
Audio
NICAM Auto/Off
Bass
Treble
Balance
Perfect Volume
Surround On/Off
Speakers On/Off
HDMI
BBE
WOW SRS 3D
WOW Focus
WOW Trubass
Setup
Auto Tuning
Manual Tuning
Sort(CH Allocation)
Backlight
Text Language
Language
Position (Vertical Position)
Auto 4:3 Default
AV2 Output
AV2 Input
Color System(AV Color)
Inversion
Screen Wipe(Full White)
Screen Saver
Static Image
Option
On Timer
Off Timer
Panel Lock
Picture
Audio
Brightness
Contrast
HOR Position
VER Position
Clock Phase
Horizontal Clock
AUTO ADJUST
Amplitude Red
Amplitude Green
Amplitude Blue
WXGA Mode
WVGA Mode
NICAM Auto/Off
Bass
Treble
Balance
Perfect Volume
Surround On/Off
Speakers On/Off
HDMI
BBE
WOW SRS 3D
WOW Focus
WOW Trubass
Yes
Icon
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No
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6

6 Page







32LD380TA pdf, datenblatt
DISASSEMBLY INSTRUCTIONS
INSTALLATION
1. Take care of the polarity of new IC and then install the
new IC fitting on the printed circuit pattern. Then solder
each lead on the diagonal positions of IC temporarily.
(Refer to Fig. 1-5.)
4. When bridge-soldering between terminals and/or the
soldering amount are not enough, resolder using a Thin-
tip Soldering Iron. (Refer to Fig. 1-8.)
Thin-tip Soldering Iron
IC
Soldering Iron
Solder temporarily
Solder temporarily
Fig. 1-5
2. Supply the solder from the upper position of IC leads
sliding to the lower position of the IC leads.
(Refer to Fig. 1-6.)
Solder
Soldering Iron
IC Supply soldering
from upper position
to lower position
Fig. 1-6
3. Absorb the solder left on the lead using the Braided
Shield Wire. (Refer to Fig. 1-7.)
NOTE
Do not absorb the solder to excess.
Soldering Iron
IC
Fig. 1-8
5. Finally, confirm the soldering status on four sides of the
IC using a magnifying glass.
Confirm that no abnormality is found on the soldering
position and installation position of the parts around the
IC. If some abnormality is found, correct by resoldering.
NOTE
When the IC leads are bent during soldering and/or
repairing, do not repair the bending of leads. If the
bending of leads are repaired, the pattern may be
damaged. So, always be sure to replace the IC in this
case.
Braided Shield Wire
Fig. 1-7
12

12 Page


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