JVC LT-40X776/S Service Manual page 58

Lcd flat television
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CIRCUIT DIAGRAMS
RECEIVER PWB CIRCUIT DIAGRAM SHEET1
TU3001
!
QAU0378-001
C3005
10
U/V FRONTEND
CNF00T
QGF0508F1-40X
GND
40
TV_V1
39
GND
38
TV_L1
37
GND
36
TV_R1
35
GND
34
AFT1
33
GND
32
NC
31
LIP_L
30
TU_9V
29
LIP_R
28
27
NC
GND
26
DINPHOT
25
GND
CONNECTOR
24
AGC
23
GND
PWB ASS'Y
22
MSP_RST
21
GND
CN000T
20
19
SDA3A5
18
SCL3A5
(SHEET18)
17
SDA3B5
16
SCL3B5
15
NC
14
GND
13
SW
12
GND
11
L_VF
10
GND
9
R_VF
8
GND
7
5V
6
GND
5
BS_A5V
4
GND
3
COMP_R
2
GND
1
COMP_L
GND
RECEIVER PWB ASS'Y
SFL0F801A-M2
C3006 C3007
47/16
OPEN
L3002
NQL79GM-100X
R3001
47k
C3008
OPEN
R3011
0
R3003
220
R3004
220
L3001
R3008
NQL79GM-100X
0
C3002
R3005
10k
10
/50
Q3002
R3009
*1
OPEN
Q3001
C/N_AFT1
*2
/10
GND
R3010
OPEN
GND
Q3003
OPEN
GND
BS_5V
TV_V1
AGC_L
AGC_R
C/N_AFT1
LIP_L
TU_9V
LIP_R
C3162
10
/10
GND
DINPHOT
DINPHOT
CB1
VARI/FIX
SDA0
GND
SCL0
SDA2
SCL2
TU_5V
BS_5V
COMP_R
COMP_L
TV_V1
TV_A
TU_9V
Q3101
OPEN
32V
R3102
OPEN
C3103
R3104
OPEN
OPEN
LIP_R
R3177
R3101
OPEN
0
CB1
AGC_R
SDA0
R3105
R3103
OPEN
OPEN
SCL0
C3155
2.2/16
TU_5V
R3178
CB1
0
GND
GND
TU_9V
C3156
R3179
2.2/16
CB1
0
Q3102
OPEN
R3107
OPEN
C3154
R3109
OPEN
OPEN
LIP_L
R3106
R3180
0
OPEN
CB1
AGC_L
R3108
R3110
OPEN
OPEN
GND
GND
IC3102
HA17558AF-X
C3104
4.7
/10
CB1
C3101
47
/16
GND
GND
R3113
15K
R3111
4.7K
R3115
R3117
12K
10K
C3102
R3116
R3118
R3112
47
R3114
12K
10K
4.7K
/16
15K
GND
GND
CB1
C3105
IC3102
4.7
/10
HA17558AF-X
CB1
C3161
10
/10
GND
IC3106
C3139
TPS852-W
47
/16
R3139
15K
R3140
R3141
C3148
10K
10
/10
CB1
C3140
C3163
0.018
0.1
/16
IC3103
HA17558AF-X
GND
R3191
GND
100k
C3138
TU_9V
D3101
0.068/16
OPEN
R3153
C3157
2.2k
4.7/16
NCF11CZ-475X
GND
C3149
Q3152
10
/10
*2
CB1
D3102
OPEN
GND
GND
C3151
C3150
10
/10
4.7/16
CB1
NCF11CZ-475X
GND
TU_9V
D3103
OPEN
R3150
2.2k
Q3151
*2
GND
(No.YA301)2-7
2-8(No.YA301)
ANALOG SIGNAL
PWB ASS'Y (5/5)
CN00A (SHEET6)
CNF00A
QGA2001C2-03V
GND
R3122
R3123
R3124
3.9k
3k
OPEN
C3120
R3125
10
/10
3.3k
F
F
C3121
C3115
0.1
/16
4.7
/10
C3124
.0027
CB1
C3129
4.7
C3106
0.1
/16
F
C3130
4.7
CB1
C3107
0.1
/16
F
CB1
C3131
4.7
C3108
4.7
/10
CB1
R3119
1M
C3132
47
C3109
0.022
MTS DEMOD./
C3133
4.7
AUDIO CONTROL/
CB1
C3110
0.0047
AUDIO SELECT
C3111
10
/10
CB1
R3120
R3130
OPEN
0
R3131
68k
C3112
0.1
/25
IC3101
CXA2205Q-X
C3134
10
CB1
C3113
0.0047
C3135
4.7
C3114
10
/10
CB1
CB1
R3121
0
CB1
C3136
NCB21CK-105X
C3125
C3126
C3127
4.7
/10
0.1
/25
.0056
R3129
C3128
100k
.012
R3142
4.7K
C3144
C3141
47
/16
IC3105
47
/16
HA17558AF-X
R3143
C3142
GND
GND
4.7K
10
/10
R3145
CB1
10K
R3146
GND
10K
CB1
10K
GND
C3143
R3160
IC3103
10
/10
C3145
4.7K
47
/16
HA17558AF-X
R3144
R3161
15k
4.7K
GND
GND
R3155
IC3105
OPEN
HA17558AF-X
R3157
OPEN
R3156
100
IC3104
CD4066BNS-X
R3158
GND
22K
R3154
OPEN
R3151
Q3109
OPEN
UN2212-X
Q3110
UN2212-X
R3152
100
GND
GND
/10
/10
/10
/16
/10
/10
R3133
/10
1k
R3132
12k
GND
C3146
4.7
/10
CB1
GND
R3163
R3162
R3164
12K
15K
10K
R3165
R3166
12K
10K
R3176
15K
CB1
C3147
4.7
/10
VARI/FIX
c10280001a_0506_1/1_1.0

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