JVC AV-34WP84 /ZA Service Manual page 59

MAIN PWB CIRCUIT DIAGRAM ( 3/12 ) SHEET3
J2111 QND0104-001
J2111 QND0104-001
J2111
QND0104-001
GND
J2111
QND0104-001
R2102
75
R2103
75 CB2
C2101
OPEN
GND GND
GND GND
R2104
INPUT 1 VIDEO
75
J2101
QNN0521-001
GND
L R2105
220k
J2101
QNN0521-001
GND
GND
R
J2101
QNN0521-001
GND
R2106
220k
GND
R2122
J2111 R2123
75
QND0104-001 75
CB2
C2121 R2108
OPEN 0
R2124
GND SWITCH
GND
GND
Q2121
OPEN
R2134
OPEN
C2122
OPEN
VIDEO
J2101
QNN0521-001
INPUT 2
R2125
75
L
J2101
QNN0521-001
GND
R2126
R
220k
J2101 GND
QNN0521-001 GND
R2127
220k
GND
GND
VIDEO R2144
75
J2101
QNN0521-001
GND
R2145
220k
INPUT 3
L
J2101 GND
QNN0521-001
R
GND
J2101
QNN0521-001
R2146
220k
GND
GND
J2111
QND0104-001
GND R2258
OPEN
J2111
QND0104-001
R2251
GND
OPEN
C2251
R2252
OPEN
GND GND GND
V
R2253
OPEN J2121
OPEN
QNN0535-001
GND GND
L
J2121
R2254
QNN0535-001
OPEN
GND
GND
R
R2255
J2121
QNN0535-001 OPEN
GND
GND
R2256
OPEN
J2131 L
OPEN
GND
OPEN
GND
J2131 R
OPEN
R2257
OPEN
GND
GND
D2101
MA8100/M/-X
GND D2217
MA8100/M/-X
C2102 .01
GND
C2103 10 /50
D2220 D2216
R2107
MA8100/M/-X
OPEN
0
GND
C2104 10 /50
D2215
MA8100/M/-X
GND
C2105 2.2 /16
CB1
D2218
MA8100/M/-X
GND
C2106 2.2 /16
CB1
D2219
MA8100/M/-X
GND
D2121
MA8100/M/-X
GND C2123 .01
D2205
MA8100/M/-X
C2124 10 /50
S2_2
D2214 D2206
MA8100/M/-X
OPEN
OPEN
GND
R2128
SWITCH
OPEN
Q2122
OPEN
C2125
R2129 OPEN
OPEN
R2130
GND
OPEN V_RT
D2207
C2126 10 /50 MA8100/M/-X
D2204
MA8100/M/-X
GND
GND
C2127 2.2 /16
CB1
D2212
MA8100/M/-X
GND
C2128 2.2 /16
CB1
D2213
MA8100/M/-X
GND
C2144 10 /50 V3
D2201
MA8100/M/-X
GND
C2145 2.2 /16 L3
CB1
D2209
MA8100/M/-X
GND
C2146 2.2 /16 R3
CB1
D2210
MA8100/M/-X
GND
R2273
OPEN
R2259 CB1 R2274
C2254
OPEN OPEN
OPEN
R2261
GND
R2275
OPEN
OPEN
R2262
OPEN
OPEN R2268 C2253 OPEN
D2251 R2276
OPEN OPEN OPEN
Q2251
OPEN
D2252
BUFFER
Q2252
OPEN
GND OPEN
BUFFER
R2263 GND
OPEN
R2269 OPEN C2255 OPEN
CB1
R2264
OPEN
D2254 Q2254
OPEN OPEN
Q2256
CB2
OPEN
R2265 GND MUTE R2270
OPEN OPEN
GND CB1 GND GND
MUTE DRIVE
C2257
D2255 OPEN
OPEN Q2255
OPEN
MUTE
C2258
GND
OPEN
R2266 R2271
GND
OPEN OPEN
CB1
D2256
OPEN
Q2257
OPEN
Q2259 CB1
MUTE OPEN
GND
R2267 R2272
OPEN OPEN
GND CB1 GND GND
MUTE DRIVE
C2260
D2257 Q2258 OPEN
OPEN OPEN
MUTE
GND GND
No.52170
S1
MAIN PWB ASS'Y (3/12) [VIDEO INPUT PART]
SSB-1076A-M2
C1
Y1
S2_1
V1
L1
R2294
OPEN
J1092 R2292
OPEN OPEN
R1
LC2101
OPEN
R2293
OPEN
R2295
OPEN
D2260 D2261
OPEN OPEN
GND GND GND
S2
C2
J1091 R1097
AV COMPULINK QNS0001-001 1k
D1093
Y2
MA8082/M/-X
GND
V2
L2
R2
R2281
OPEN
R2282
OPEN
CB1
C2261
OPEN
C2252
OPEN
R2283
GND
OPEN
GND
R2284
C2262
OPEN
OPEN MON_V
Q2253
OPEN
D2253
OPEN
GND BUFFER
MON_L
R2277
OPEN
M_MU
C2256 R2278
R2285
OPEN OPEN C2263 D2259
OPEN
OPEN OPEN
GND MON_R
GND Q2260
OPEN
MUTE
D2258 R2286
AUDIO_L OPEN OPEN
R2279
OPEN
AS_MU
C2259 R2280
OPEN OPEN
GND AUDIO_R
2-9 2-10
R2297
OPEN BSD_IR
BSD_IR SHEET 10
SHEET 10
COMPU
Y1
Y1
C1
C1
S2_1
S2_1
V1
SHEET 5
V1
R1
R1
S1
S1
L1
L1
V_RT
V_RT
Y2
Y2
C2
C2
V2
V2
L2
L2
S2_2
S2_2
R2
SHEET 5
R2
S2
S2
V3
V3
L3
L3
R3
R3
MON_V
MON_V
MON_L
MON_L
M_MU
M_MU
MON_R
MON_R
AUDIO_L
AUDIO_L
AS_MU
AS_MU
NOT USE
AUDIO_R
AUDIO_R
AV_9V
S1DC
S1DC
MON_C
MON_C
MON_Y
MON_Y
R2288
OPEN
No.52170