SERVICE MANUAL
PAGE:
18
CIRCUIT DESCRIPTIONS
General Description for 32.0” color TFT LCD TV.
The TFT LCD TV described in the followings is based on a Multi TV system, digital
Control display, 32.0” diagonal. The TFT LCD TV is intended to be a finished product,
Basically a display device mounted inside an enclosure which will provide the safety
Requirements. With the exception of LCD Panel, the display device shall be composed
entirely of solid state components.
These components shall have a history of reliable service in identity applications
and shall be applied in the circuits.
1. SCALER SECTION.
2. MCU SECTION.
3. ADC SECTION.
4. VIDEO PROCESSOR SECTION.
5. AUDIO PROCESSOR SECTION.
NOTE:
ROM is two types, To
development early stage it used the EEPROM – AT29C020
The production
used the OTP (EPROM – M27X201)
It follows in the ROM and the point which is changed
Apply ROM
LOCATION NO
PART Insert
PART Remove
Description
AT29C020 (flash)
IC01
L17
L15
600ohm BEAD
M27X201 (OTP)
IC01
L15
L17
600ohm DEAD
Содержание HLT-3220
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Страница 64: ...SERVICE MANUAL PAGE 64 PCB LAYOUT 3 1 Main PCB TOP COMP ...
Страница 65: ...SERVICE MANUAL PAGE 65 PCB LAYOUT 3 2 Main PCB TOP PATTEN ...
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