JVC AV32H20EUS Service Manual page 38

AV SW PWB CIRCUIT DIAGRAM
AV SW PWB
SMF0S401A-U2
EXT-1
COMMON GND
V1 IN
TV OUT
GND(V IN)
GND(V OUT)
SC_YS IN
SC_R1 IN
GND(Y )
GND(R)
SC_G1 IN
GND(G)
SLOW SW1
SC_B1 IN
L1 IN
GND(B)
AUDIO GND
LTV OUT
R1 IN
RTV OUT
J002
QNZ0463-001
EXT-2
COMMON GND
V2/Y2 IN
V2_OUT
GND(V IN)
GND(V OUT)
SC_YS2 IN
C2/R2 IN
NC(Y OUT)
GND(R)
SDA2
G IN
AV LINK
/SCL2
NC(G GND)
SLOW SW2
SC_B2 IN
L2 IN
GND(B)
AUDIO GND
L2 OUT
R2 IN
R2 OUT
J001
QNZ0465-001
EXT-3
COMMON GND
V3/Y 3 IN
GND(V IN)
NC(Y IN)
C3 IN
NC(Y OUT)
GND(R)
SDA3
NC(G IN)
SCL3
NC(G GND)
SLOW SW3
NC(B IN)
L3IN
GND(B)
AUDIO GND
R3IN
J001
CN00F
QGA2501C1-09
R4
R4
GND
L4
L4
FRONT
GND
V4
CONTROL
V4
PWB GND
Y4
Y4
GND
C4
C4
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R112
82k
R113
82k
Q105
DTC323TK-X
MUTING
V1
R101 C111
75
470/16
TV_OUT
SC_YS1
SC_R1
R109
D101 R102 D104
75
75 *9
*9
SC_G1
D102 R103
NC
75
*9
SLOW1
NC
SC_B1
R104
D103
75
*9
L1
C101
V1
CE42681-001Y .0047
K101
C102 .0047
C103 .0047 R1
C104 .0047
K102
L1
CE42681-001Y
R105 R1
D114
75
MA3039/H/-X V2/Y2
R114
V2_OUT
33k
C112
R203 SC_YS2 Q106
R115
470/16 R116
75 *1
47k
82k
SLOW1 0V SW
C2
R117 R118 R119
C113
D115 AV_LINK 22k
R106 15k
.001 47k
*9
75
1.3V SDA2
R120
Q101 3.6V 27k
SC_G2
*1
SW V2/Y2
3.6V SCL2
R204 R110 0.1V L2
D116 Q102
75 10k
*9 *1 SLOW2
R2 R121
SC_B2 SW
R111 10k L2 2.2k
C2
C105
.0047
K103 CE42681-001Y
C106 .0047 L2OUT
C107 .0047 R2
C108 R2OUT
D117 R205
.0047
K104
*9 75
CE42681-001Y
L3
V3/Y3
V3/Y3
R3
NC
R107
C3
75
NC
C3
R108
75
V4
L4
SLOW3
L101
QQR0716-001Z L3
Y4
C109
.0047
R4
NC
R3
C4
C110
NC
.0047
R144
33k
Q108
R122 R123 *1 6.6V
47k 82k SW
SLOW3
0V
R125
R124
22k
15k
Q109
C114
R126
.001
47k R127
27k
R148
390
R128
82k
R149
390
R129
Q111
82k
DTC323TK-X
0V
0V
Q103
DTC323TK-X
MUTING
No.51945
AV32H20EUS AV32H20EUS
AV28H20EUS
AV28H20EUS
AV28H20EUB
AV28H20EUB
C115
R130
390 10/50
R131
390 C116
10/50
10/50
0V
0.1V
-1.3V
0V Q112
*2
Q104
MUTING
DTC323TK-X
-1.3V
MUTING
R151
C138
100k
C139
1/50 1/50
N N
R181
R182
8.9V
5.6k 5.6k 4.4V
Q115
VIDEO BUFFER
R184 R189 3.4V
100
1k R191
C141 C142 C143
2.2k
.01 .01 .01
N
C128
0V
10/50 R152 100
V1
R132
C129
TV1 TV2
2.2k R153 100 0V
1/50
L1
C130 .01
R133
33k Y1
C131 R154
0.1V
100
1/50
R1 MUTE
EXT1
R134
C132 .01 0.2V
2.2k
R135
C1 COUT2
33k
R155
100
S2-1 TRAP2
6.6V R136 1.5V
10k
6.6V PIP
S-1 ROUT2
C117
Q107
*1 10/50 R156 100
0V
SW V2 VOUT2
C118 R157 100
0.1V IC101
1/50 L2 LOUT2
R158 100 CXA2069Q
0V
R137
R138 Y2
2.2k AV SW
33k
C119 1/50
R159 100
0.1V
R2 EXT2 VOUT3
R160 100 0V
C2 ROUT3
R139 C120 .01
R161 100
1.6V
33k D.OUT
S2-2 YOUT3
S-2 LOUT3
0.1V
R162 100
V3 COUT3
C121
R140
1/50
2.2k R163 100 0.1V
L3 DCOUT
R141
C122
33k R164 100
10/50 0V
Y3 AGND
R142
C123
2.2k R165 100 0.1V
1/50
R3 EXT3
C124
EXT4 IRD
R166
.01 100
C3
0.1V
R143
33k
R167 100
1.4V
C133
R185 C155
10/50
100 15p
D111
C144 C145 C146
R169
R168 *4 .01 .01 .01
C134 1/50 CH
2.2k
75
D109
R170
R190
*4
33k C135 10/50
100
R171 R188
R172
75 100
C136 1/50
2.2k
R173
33k
R174
C137 .01
75
9V
R175
33k
R145 R146 R177 R176
6.6V
10k 47k 82k 0V 10k
Q113
R178
*1
15k
R147 SW
6.6V
22k
R179
*1 0V 6.6V
0V Q114
C125 47k R180
SW *1
.001 27k
SW
C126
10/50
C127
10/50
MUTING
0.1V
-1V
Q110
*2 R150
MUTING 100k
MAIN PB
2-11 2-12
A.MUTE
RTV1
LTV1
M_C
M_CV/Y
*1
ROUT
LOUT 2.5
C147
.01
0.1V
CIN1
C148
0.1V
10/50
BIAS
0.1V
YIN1
C149 10/25
R_SUB
L_SUB
NC
NC
R193
0.1V 8.9V
Q118
*
*
VIDEO
1.1V 0V
SMF0S401A-U2
BUFFER
0V Q118 X
0.2V
R202
R193 X
*
C152
470/16 R202 X
Vcc
C153
0.6V
.01
C150 8.9V
0.2V
100/16
VIDEO Q117
BUFFER *7
4.3V
R200
NC
R192 3.6V 75
0.1V 100
R201
150
NC R1/2
D113 *4
NC R2_OUT
L2_OUT
R194
3.6V
220
SDA
R195 220
SCL
3.6V
R196
100
C154
OMF1
100/16
C151
LOUT
100/16
R197
180
ROUT
R1/2
R198 Q116
*8
2.4V VIDEO BUFFER
75
1.7V
R199
D112
100
*4
NOTE
X
BW
0
*1
*2
*3
*4
*5
*6
*7
*8
*9
CN001
QGB1505K1-50
No.51945
: OPTION(NON MOUNT)
: IM-BW
: NRSA63J-0R0X
: 2SC2412K/QR/-X
:
2SA1037AK/QR/-X
: MA111-X
: MA3120/M/-X
: DTC124EKA-X
: DTA124EKA-X
: 2SC1740S/QR/-T
: 2SA933AS/QR/-T
: MA3056/M/-X