Service manual

Page 32
MODELS: LT-3280D/LT-3780D
LCD-
IC700
HD64F2437FV
(MAIN_CPU)
MS
2
MS
1
IC400
gm1601
(Scaler & Video
Proceccor with CPU)
IC400
(DDR-SDRAM)
IC500
S
iI9993CTG
IC405
PM39LV040-
(PROM)
IC2A1
SiI1160CU
(T
MDS T )
IC2A0
M66471FP
(Video process)
IC203
AD9888KSZ-170
(ADC)
IC501
J200
D-SUB
(P
C)
Writing
For
IC401
EEP
IC402
CY
25811
J304
AU
DIO
MC
PE
PD
IC301
MSP3440G
(A
UDIO
IC370
IC380
MA
IC302
CS
4334KS
CNF1
MB
IC9020
(A
D3 3V)
IC9050
(D
18V)
IC9040
(A
18V)
IC9000
(A
33V)
IC9030
(D
25V)
IC9010
(
D3
3V)
IC503
LV
C08
X400
J7X0
RS232C
IC7X0
ADM3311
(R
X232C
IC703
EEP
Writing
For
IC200
X2J1
X301
MP7720DS
MP7720DS
IC701
RESET
IC702
LC08
IC204
IC201 IC202
J500
IC2C1
CNF2
(37-
PANEL5V
(
32inch
PANEL18V
(
37inch
PWB-SERVICE PWB-CONTROL
MC
MS
2
MS
1
PW
B-
IR
PW
B-
LED
MB
2
MB
1
PW
B-
CONNECT
MA
SP
SPEAKER-L
SPEAKER-R
PSAVE2.5
To PANEL
(L
VDS)
PWB-POWER
PWB-POWER-SUB
IC9B5
(
18V)
IC9B6
(P
5V)
IC9B3
(A
MP17
IC9B4
(S
8V)
IC9B1
(S
33V)
IC9B2
(4
5V)
(
32i h O l )
(
37i h O l )
PSAVE4
PE
PD
PSAVE2
PSAVE3
PSAVE4
SHORT1
PSAVE1
AC_OFF
IC9A2
F922
2L
REL
AY
PA
PB
PB
BL_ON / BRIGHT
T9A1
SW
REG
PFC-
CI
RCUIT
D9A1
BR
IDGE
L9A1
K9A1
K910
IC9A2(37inch)
/ IC902(32inch)
T910(37inch)
/ T901(32inch)
D940(37inch)
/ D901(32inch)
37inch only
L9A2
24
V
A
C
-IN
PC PC
CN1
C
N2
CN1
INV
ERTER
CN2
CNF
2
CNF
1
18V,P5V,
AMPVCC,
S8V,
S5V,
BL_ON / BRIGHT
REL
AY
SHORT1
IC9B7
(S
5V)
A1.8V, D2.5V,
D3.3V,AD3.3V.
PA
NEL Control board
P
S
AVE1 / PSAVE2 /
SHORT1 / AC_OFF
SHORT2
RELAY(37inch only)
X700
SE
PWB-MAIN
LT-3780/LT-3280 BLOCK-DIAGRAM