JVC AV-56WP74 Service Manual page 72

MAIN PWB CIRCUIT DIAGRAM (3/12) SHEET 3
J2111 J2111 J2111
J2111
GND
INPUT-1
J2101
QNN0521-001
J2101
GND
J2101
GND
J2111
QND0104-001
GND
INPUT-2
J2101
J2101
J2101
J2101
INPUT-3
J2101
J2101
GND
GND
OPEN
OPEN
GND
GND
D2101
MA8100/M/-X
C2102 .01
GND D2217
NCB31HK-103X
GND MA8100/M/-X
R2102
75 C2103 10 /50
QETN1HM-106Z
GND
R2103
75 D2220 D2216
C2101
MA8100/M/-X
1 /16 MA8100/M/-X
NCB11CK-105X
C2104 10 /5 0
GND QETN1HM-106Z
GND GND GND
R2104
D2215
75
MA8100/M/-X
C2105 2.2 /16
NCB11CK-225X
GND GND
R2105 D2218
MA8100/M/-X
220k
GND
GND
C2106 2.2 /16
NCB11CK-225X
R2106
D2219
220k
MA8100/M/-X
GND
GND
D2121
MA8100/M/-X
C2123 .01
NCB31HK-103X
GND
R2122
C2124 10 /50
R2123 D2205
75 QETN1HM-106Z
MA8100/M/-X
75
C2121
D2214
1 /16
MA8100/M/-X
NCB11CK-105X
R2124
OPEN
GND
GND
GND
R2128
Q2121 OPEN
OPEN Q2122
R2134
OPEN
OPEN
C2122
C2125
OPEN R2129
OPEN
OPEN
R2130
GND
OPEN
C2126 10 /50
QETN1HM-106Z
D2204
MA8100/M/-X
R2125
75
C2127 2.2 /16
NCB11CK-225X
GND
GND
D2212
MA8100/M/-X
R2126
220k
C2128 2.2 /16
GND
NCB11CK-225X
GND GND
D2213
R2127
MA8100/M/-X
220k
GND
GND
C2144 10 /50 GND
QETN1HM-106Z
R2144
D2201
75 MA8100/M/-X
C2145 2.2 /16 GND
NCB11CK-225X
GND
R2145 D2209
220k MA8100/M/-X
GND
GND
C2146 2.2 /16
GND
NCB11CK-225X
R2146
D2210
220k MA8100/M/-X
GND
GND
GND
R2259
C2254
OPEN
OPEN
GND R2258
OPEN R2261
GND
OPEN
R2251
GND
OPEN
R2262
OPEN
C2251 OPEN R2268 C2253 OPEN
D2251
OPEN
OPEN
R2252 Q2251
OPEN OPEN
D2252
OPEN
GND
GND GND
R2263
OPEN
R2269 OPEN
R2253
OPEN
R2264
GND
OPEN D2254
OPEN Q2254
R2254 OPEN
OPEN
R2265 GND R2270
GND
GND OPEN OPEN
GND
R2255
OPEN D2255
GND OPEN
Q2255
OPEN
GND
GND
R2266 R2271
GND
OPEN OPEN
R2256
OPEN D2256
OPEN
Q2257
OPEN
GND
GND
R2272
OPEN
GND
R2267
R2257
OPEN D2257
OPEN
OPEN
Q2258
OPEN
GND
GND GND
No.52105
AV-48WP74 AV-48WP74
AV-56WP74 AV-56WP74
S1
C1
Y1
S2_1
V1
L1
LC2101
OPEN
J1092 R2292
OPEN OPEN
R1
R2293
OPEN
D2260 D2261
OPEN OPEN
GND GND
S2
J1091
QNS0001-001 R1097
C2
1K
Y2
S2_2
GND
D2206
MA8100/M/-X
AV COMPULINK
V_RT
D2207
MA8100/M/-X
V2
GND
L2
R2
V3
L3
R3
R2273 R2281
OPEN
OPEN
R2282
R2274
OPEN
OPEN C2261
OPEN
C2252
OPEN
R2275 R2283
GND
OPEN OPEN GND
R2284
C2262
R2276
OPEN
OPEN MON_V
OPEN
Q2253
OPEN
Q2252
OPEN
D2253
OPEN
GND GND
C2255 OPEN
MON_L
R2277
OPEN M_MU
Q2256
C2256 R2278
R2285
OPEN
OPEN OPEN
GND GND GND MON_R
C2257
OPEN
C2258
OPEN
D2258
AUDIO_L OPEN
R2279
OPEN AS_MU
Q2259 C2259 R2280
OPEN OPEN
OPEN
GND GND GND AUDIO_R
C2260
OPEN
2-11 2-12
-M2
R2294
OPEN R2297
OPEN
BSD_IR
NOT USE
BSD_IR
R2295
OPEN
GND
SHEET 10
COMPU
D1093
MA8082/M/-X 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
SHEET 5
L2
L2
S2_2
S2_2
R2
R2
S2
S2
V3
V3
L3 SHEET 5
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
C2263 D2259
OPEN
OPEN OPEN R2288
OPEN
GND Q2260
OPEN
R2286
OPEN
No.52105