Pioneer SC-LX90 Service Manual page 253

Audio/video multi-channel amplifier
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5
V+5S
Q2201
5S
2SC4081
R2239
STBY
R2241
STBY
310
GSV
Q2310
STBY
V+5S
V-5S
C2242
R2243
Q2202
2SC4081
STBY
(RS)
0.1
R2245
STBY
GSV
V-5S
R2295
R2294
47k
R2293
47k
R2292
47k
47k
ECSS
EOES
ECLKS
CDT1
TC4094BFN
CD1
CD2
R2286
100k
R2287
R2288
100k
R2289
47k
GSV
R2290
47k
R2291
47k
47k
GSV
SIGNAL
V+5S
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
AD
ront
1/2
CN8506
5
6
(RS)
SVMA
SYOT
SVYIN
Y
SOUT SEL
Cb
TC74HC4053AF
Cr
SVCIN
SCOT
SOINH
C2260
SREC_Y
330/10
SZ2YIN
SRM2
SRM1
SREC_C
C2267
SZ2CIN
0.1
CN2203
XKP3075
9
EXPST
8
EXPOE
7
EXPCK
6
CDT1
5
CDET1
4
CDET2
3
MVMUTE
2
Z2MUTE
1
NC
C2354
220/10
C2355
220/10
GVV
GSV
17
19
21
23
V-5S
18
20
22
Rear
6
C2228
V+5S
STBY
R2228
R2230
C2224
750
820F
R2224
330/10
STBY
+
-
GSV
+
-
R2225
R2229
STBY
C2225
750
0.1
V-5S
V+5S
RECOUT Y
SELECTOR
RECOUT C
SELECTOR
C2358
V-5S
STBY
V+5CV
R2354
R2356
R2350
750F
820F
STBY
+
-
+
-
R2351
STBY
R2355
750F
V-5CV
SC-09TX
7
V+5S
R2232
75F
R2233
75F
C2231
R2231
0.1
820F
C2229
V-5S
STBY
C2262
R2264
1000/6.3
75F
C2261 R2265
0.1
75F
C2268
R2272
1000/6.3
75F
C2269
R2273
75F
0.1
R2358
75F
R2359
75F
JA2203
AKB7187
ZONE2 OUT
(2/2)
R2357
820F
C2359
NOTES
1.RESISTORS
STBY
Unit: k-k
, M-M
or
unless otherwise noted.
Rated power: 1/16W unless otherwise noted.
Tolerance: ±5%(J) unless otherwise noted.
2.CAPACITORS
No marked Capacitors are CEAT or CKSRYB.
Unit: p-pF or F unless otherwise noted.
Rated Voltage: shown as
"Capacity( F)/Voltage(V)",
or 50V unless otherwise noted.
3.DIODES
No marked Diodes are 1SS355.
Parts or parts block marked by "STBY" are standby.
7
8
A
JA2202
AKP7049
C
Y
MONITOR
OUT
(3/3)
B
JA2201
C
Y
AKP7049
DVR1/VCR1
OUT
(1/3)
C2288
STBY
C
C2289
STBY
16
JA2201
GSV
GSV
(CHASSIS)
C
Y
JA2201
AKP7049
DVR2/VCR2
OUT
(3/3)
D
JA2203
AKB7187
MONITOR
OUT
(1/2)
C2380
STBY
JA2203
AKB7187
E
C2381
STBY
GVV
(CHASSIS)
F
Y
107
8

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