JVC AV-48WP74 Service Manual page 38
Basic chassis sb3
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Also See for AV-48WP74:
- User manual (64 pages) ,
- Service manual (120 pages) ,
- User manual (64 pages)
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MAIN PWB CIRCUIT DIAGRAM (3/12) SHEET 3
INPUT-1
INPUT-2
INPUT-3
2-10
J2111
J2111
J2111
GND
R2102
J2111
75
R2103
75
C2101
1
/16
NCB11CK-105X
GND
GND
GND
GND
R2104
J2101
75
QNN0521-001
GND
R2105
J2101
220k
GND
GND
J2101
GND
R2106
220k
GND
R2122
J2111
R2123
75
QND0104-001
75
C2121
1
/16
NCB11CK-105X
GND
GND
GND
Q2121
OPEN
R2134
OPEN
C2122
OPEN
J2101
R2125
75
GND
J2101
R2126
220k
GND
J2101
GND
R2127
220k
GND
GND
J2101
R2144
75
GND
R2145
220k
J2101
GND
J2101
GND
R2146
220k
GND
GND
GND
R2258
OPEN
R2251
GND
OPEN
C2251
R2252
OPEN
GND
GND
GND
R2253
OPEN
GND
GND
OPEN
R2254
OPEN
GND
GND
R2255
OPEN
GND
GND
R2256
OPEN
GND
OPEN
GND
R2257
OPEN
GND
GND
D2101
MA8100/M/-X
C2102
.01
GND
NCB31HK-103X
C2103
10
/50
QETN1HM-106Z
D2220
MA8100/M/-X
C2104
/5 0
10
QETN1HM-106Z
GND
C2105
2.2
/16
NCB11CK-225X
C2106
2.2
/16
NCB11CK-225X
D2121
MA8100/M/-X
C2123
.01
NCB31HK-103X
GND
C2124
10
/50
QETN1HM-106Z
D2214
MA8100/M/-X
R2124
OPEN
R2128
OPEN
Q2122
OPEN
C2125
R2129
OPEN
OPEN
R2130
GND
OPEN
C2126
10
/50
QETN1HM-106Z
C2127
2.2
/16
NCB11CK-225X
C2128
2.2
/16
NCB11CK-225X
C2144
10
/50
QETN1HM-106Z
C2145
2.2
/16
NCB11CK-225X
C2146
2.2
/16
NCB11CK-225X
R2259
OPEN
R2261
OPEN
R2262
OPEN
OPEN
R2268
D2251
OPEN
OPEN
Q2251
OPEN
GND
R2263
OPEN
R2264
OPEN
D2254
OPEN
Q2254
OPEN
R2265
GND
OPEN
GND
D2255
OPEN
Q2255
OPEN
GND
R2266
GND
OPEN
D2256
OPEN
Q2257
OPEN
GND
GND
R2267
OPEN
D2257
OPEN
Q2258
OPEN
GND
GND
No.52105
S1
D2217
MA8100/M/-X
C1
GND
Y1
S2_1
D2216
MA8100/M/-X
V1
D2215
MA8100/M/-X
GND
L1
D2218
MA8100/M/-X
GND
R1
D2219
MA8100/M/-X
GND
S2
C2
D2205
MA8100/M/-X
Y2
S2_2
D2206
MA8100/M/-X
GND
V_RT
D2207
MA8100/M/-X
V2
D2204
MA8100/M/-X
GND
GND
L2
D2212
MA8100/M/-X
GND
R2
D2213
MA8100/M/-X
GND
V3
D2201
MA8100/M/-X
GND
L3
D2209
MA8100/M/-X
GND
R3
D2210
MA8100/M/-X
GND
R2273
OPEN
R2274
C2254
OPEN
OPEN
GND
R2275
OPEN
C2253
OPEN
R2276
OPEN
D2252
Q2252
OPEN
OPEN
GND
R2269
OPEN
C2255
OPEN
R2277
OPEN
Q2256
C2256
OPEN
OPEN
R2270
OPEN
GND
GND
C2257
OPEN
C2258
OPEN
R2271
OPEN
R2279
OPEN
Q2259
C2259
OPEN
OPEN
R2272
OPEN
GND
GND
C2260
OPEN
AV-48WP74
AV-56WP74
Q
A
R2281
OPEN
R2282
OPEN
C2261
OPEN
R2283
GND
OPEN
C2262
OPEN
Q2253
OPEN
D2253
OPEN
GND
R2278
OPEN
GND
R2280
OPEN
GND
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