Service manual

25
LC-20B4M
1716 1918151413121110
I2C
LCD
R0~7,G0~7,B0~7 PANEL
V0,V7,V21
V64,V112
V176 ,V235
V2V0
V255
VCOM
CSCOM
CSYNC
OSD R/G/B
VLS,VGL,VEE
I2C GSP1,VSH
GBLR,GCK
POWER
E
2
PROM
GSP2
IC2010
TX_FB
RESET
IC2006
RXD,TXD
L
1
SWITCH
RX_TX,TX_RX
IC2003
3.3V REG
3.3V
IC705
3.3V REG
3.3V
IC707
5V REG 5V
IC2004
SW UNITREMOTE
CONTROL
RECEIVER
IC1611
IC1601 FLASH 4M
TELETEXT SRAM 2M
CPU IC1612
Q1602,Q1604,Q1606
TEXT R/G/B
AMP
MICON
IC2001
SYNC SEP IC1101
IC802
GRADATION
POWER
(VPC
)
IC801 IC1201
(DPS)
VIDEO
LCD
DECODER CONTROLLER
REV
SC2002
4
03
P35 02
P701
P2001
KEY1
KEY2
POW1 POW2
VIDEO SW
IC1604
TEXT
R/G/B
Q2002
FILTER
FL801
FILTER
FL802