Driving Block; Driving Block Diagram - Daewoo DP-42GM Service Manual

4-2 DRIVING BLOCK

4-2-1. Driving BLOCK DIAGRAM

DATA
INPUT
TIMING
CNOTROL
&
DATA
CONTROL
INTERFACE
SIGNAL
Driving circuit block looks like above diagram. First, within the Digital-board, timing control / data
interface signals input to Y / X / DATA-board. Also, low voltage and high voltage powers such as
15V / 5V / Vsus / Yer / Vadd are supplied. SCAN is divided into two PCB(upper and lower) and
DATA driver can drive 7 COF module. Also Connection-board which is located at the lower part of
the panel, is divided into two PCB. It transfer 5V / Vadd power supply as well as various Y / X /
DATA-board. Vadd power supply is transferred from Power module to X-board through Connection-
board to Data driver.
Y-SUSTAIN
ENERGY
RECOVERY
SCAN
ERASE
WRITING
Verase Vsus
Vdr
SCAN
TOP
PANEL
SCAN
BOTTOM
DATA
DRIVER
POWER
Vstb/Video/etc.
-18-
X-SUSTAIN
ENERGY
RECOVERY
SHELF
Vadd
Vsus
Vadd