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Troubleshooting
●
No Picture_3
Check the MAIN Board (LCD Driving Stage)
RA/RB/
GA/GB/
BA/BB
_GAM
CLKO/
HSO/VSO
_GAM
DATA/ADDRESS BUS
IC1501,02
GAM_RO/RE
SAMPLE & HOLD
RO
<L3E06080>
IC1503,04
RE
SAMPLE & HOLD
SHCLKR,
<L3E06080>
XFRR,STSQ
CLX,CLY,DX,DY,NRG,ENB
IC505,06
GAM_GO/GE
SAMPLE & HOLD
GO
<L3E06080>
IC1507,08
GE
SAMPLE & HOLD
SHCLKG,
<L3E06080>
XFRG,STSQ
CLX,CLY,DX,DY,NRG,ENB
IC1509,11
GAM_BO/BE
SAMPLE & HOLD
BO
<L3E06080>
IC1512,13
BE
SAMPLE & HOLD
SHCLKB,
<L3E06080>
XFRB,STSQ
CLX,CLY,DX,DY,NRG/ENB
TP_V1
TP_V2
IC1501
DAC
<M62393>
IC801
CPU
IIC_SCL/SDA
MAIN BOARD
TP_RVID1
IC1517
NRS
TPNRS_R
<LM7171>
+
22
IC1514
LEVEL SHIFT
<L3E01031>
CLX,CLY,DX,DY,
20,21
NRG,ENB
NRSA/B
TP_GVID1
IC1518
NRS
TPNRS_G
<LM7171>
22
+
IC1515
LEVEL SHIFT
<L3E01031>
CLX,CLY,DX,DY,
20,21
NRG,ENB
NRSA/B
TP_BVID1
IC1525
NRS
TPNRS_B
<LM7171>
22
+
IC1516
LEVEL SHIFT
<L3E01031>
CLX,CLY,DX,DY,
20,21
NRG,ENB
NRSA/B
IC1502
DAC
<M62393>
-62-
R-LCD
PANEL
NRS
G-LCD
PANEL
NRS
B-LCD
PANEL
NRS
VCO
Timing Chart
NRS
TPNRS
_R/G/B
RED
S & H
OUTPUT
TPRVID1
GREEN
S & H
OUTPUT
TPGVID1
BLUE
S & H
OUTPUT
TPBVID1
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