Kenwood KRF-V7060D Service Manual page 27

AO AP
(X09-658X-XX) (A/5)
R407 470 R388 470
PROTECTION PROTECTION
8
Q356
Q32,34 Q31,33
R403 R382 R384
POWER POWER
AMP AMP
30K
C359 C358
4700P 4700P
Q53 Q32 Q34
R148
220 1/4W
VR4
470
IDLE ADJ.(SRch)
C134
1.2V 22u50 -1.2V
-1.2V
C128 C127
560P 560P
46.8V
Q30
R134 R133
2ND
Q26 2ND
R187 R138
220 220
330 1/4W 330 1/4W
46.2V -46.8V
1/4W 1/4W
R136
D4
R132 5.6K 33.3V R131
R189 47K
R140 47K
220 1/4W 220
C136
C175 10P
1/4W Q28 C126 10P 1/4W
47P
Q26 Q25
C124
R179 C173 CURRENT CURRENT
R130 220u10
MIRROR MIRROR
C171 100P
C122 100P
0V
-48.3V
-48.3V
47.2V R128 47.2V
Q604
R177
Q24 D28
1.5K
1.5K
-46.2V
-46.2V
R122
6.8K 0.6V
R126
D604
IST
1.5K
Q22
C165 -46.2V
C116
330P
330P
R167 15.4V 15.4V
R118
47K
47K
Q335
R435
R434
1K
Q334 1K
R163
SURROUND Rch R114
100K
100K
HI-TAP
ON : 61.3V
OFF : 55.3V
+15V
+B
+B
B
B
HI-TAP ON : -61.3V
OFF : -55.3V
+12V
12V
WH5 2 1 2 1 WH6
RED BLUE
19 17 15 13 11 9 7 5 3 1
CN5
18 16 14 12 10 8 6 4 2
X25-B/2-
3/4
CN301
BC-2
AQ AR
R387 470
R408 470
PROTECTION
PROTECTION
10
Q355 12
Q358
R381 R383 Q52,54
POWER R402 R404
30K
C357
AMP
30K
C360
4700P
Q31 Q33
Q52 4700P
R147
220 1/4W
R198
220 1/4W
VR3
470 VR6
470
IDLE ADJ.(SLch)
IDLE ADJ.(SWch)
C133
1.2V 22u50 -1.2V
C184
22u50
1.2V -1.2V
46.8V C178
Q29
560P 46.8V
2ND
Q50
Q25
R137
R184
330 1/4W Q46
46.2V -46.8V 2ND
220
46.2V -46.8V
1/4W
D3
R135 33.3V
R139 47K R190 47K
D6
R182 R186
33.3V
5.6K
C135
1/4W C125 10P C176 10P
Q27 220 5.6K
47P
C186
1/4W 1/4W Q48
47P
C123
Q46
R129 220u10 R180
CURRENT
MIRROR
C121 100P C172 100P
0V 0V
-48.3V
R127 47.2V R178
D29
Q23 1.5K Q44 1.5K
-46.2V -46.2V
R121 R172
6.8K 0.6V 6.8K 0.6V
R125 R176
IST IST
1.5K 1.5K
Q21 Q42
-46.2V -46.2V
C115
330P
15.4V
R117
47K
R433
Q333 1K Q336
SURROUND Lch R113 SWch
D
100K
+15V
+12V
30V
12V
80
C307
R309
-28.7V 100 -56.0V
Q304
-30.5V
R308
2.7K
Q304
-30V AVR
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1
CN6 CN7
X14-A/11- X14-A/11-
4/4 4/4
WH92 WH91
BV-5 BV-6
AS AT
+B
Q365 R475
7.5K
AMP.DC
PROTECTION
C368
R410 4.7u50
33K
Q364
R473 R474
1.5K 3.3K
R472
Q363 10K
Q54
R471 C367
1K 220u10
40
C370
1000P
R469
Q362
D65
7.5K
C366
4.7u50
SUPPLY
PROTECTION
R467
1.5K
Q361
D66
R188
330 1/4W
R466
Q360 100K
D68
C174
R463 82K
220u10
C365
R464 82K R465 100 220u 10
R461 15K R459 22K
-48.3V
R462 15K R460 43K -28.7V
D30
R458 82K
1
R457 82K
2
R476
47.2V
560 1/4W 12.0V
D69
C166 Q359 D63
R454
330P
MUTE
390 1W
DRIVER
R456
R168
47K
10K
Q359
-6dB ATT.
DRIVER
R609
R436
1K
10K R610
10K
R164 90
R453
Q607
100K
C364 360
2.2u50
C362
22u50
R470 22K
R607 100K
C369 R414
ON : 3.2V
C361
OFF : -11.8V 22u50
C363
ON : 3.1V
OFF : -6.2V R413
-12.2V
+B
+B
B
B
15.4V
30V
+15V
D27 2
1
Q303
R303
1/4W
R306
100 1/4W C322 HI-TAP
ON : 61.3V
16.0V R318 OFF : 55.3V
R305 16.0V
47.2V
+B
220
Q307 D24
R327
47.7V
0V
330
D23
Q302
Q308
-0.6V
Q303
R328
+15V AVR -48.8V 100
HI-TAP
ON : -61.3V
HI-TAP
OFF : -55.3V
ON : -61.3V
Q306
-48.3V R322
OFF : -55.3V
B
1 1/4W
R317
C321 10P
B
B
VR-6050/6060/6070/KRF-V6060D/V7060D/V8060D/X9060D (2/4)
AU AV
R100 33 1/4W
L2 512nH
R331
1.8K 2W
K2
Q309
R335
RLY
47K
DRIVER
(FL/FR)
L1 13
512nH
R99
33 1/4W
R199
33 1/4W
L5
512nH
R332
2
1.8K 2W
1
K3
Q310
4
R337
3
47K RLY
2
DRIVER
1
(C/SW)
14
L6
512nH
R200
33 1/4W
R150
33 1/4W
L4
512nH
R333
K4
1.8K 2W
Q311
R339
47K
RLY
DRIVER
(SL/SR)
11
L3
512nH
R149
33 1/4W K5
Q312
+
R341
47K
SP.B
RLY
DRIVER
+
12
1
+12V 2
12.0V
3
12V 4
-12.2V
+B +B 3 V.REG.
2
+B R301
1.8K 2W C453
0.01
K1
R321 1
1 1/4W
D11
Q305
5
1
B 4
+B
D12
3
R319
Q313
R323 Q301 2.2
4.7K 2
ON : 4.5V C303 1
OFF : 0V
0.01
B
Q305-308,313
TAP RLY
LIMITER
CONT.
KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
Y05-4660-10
AW AX
J5
Lch
CAUTION: For continued
SPEAKERS
safety, replace safety criti-
FRONT A
cal components only with
manufacturer's recom-
Rch
mended parts (refer to
parts list). indicates
safety critical components.
Cch CENTER For continued protection
against risk of fire, replace
only with same type and
rating fuse(s). To reduce
the risk of electric shock,
X25-B/2-
WH4 CN304
leakage-current or resis-
SL GND
3/4 tance measurements shall
BF-1
SW GND
be carried out (exposed
parts are acceptably insu-
WH1 X25-B/2-
lated from the supply cir-
CN302
SL ch
cuit) before the appliance
SW ch
3/4
BG-1
SR ch is returned to the cus-
GND
tomer.
J6
Lch
SPEAKERS
FRONT B
Rch
J7
Lch
SURROUND
Rch
Lch
SPEAKERS
FRONT B
Rch
CN2
X14-D/11-
WH42
GND
+12V
4/4
BP-6
GND
-12V
WH3 X14-F/11-
CN2
GND 4/4
BT-6
UNREG.
CN1
VH
to MAIN
VL
TRANSFORMER
GND 4/4 CJ-4
CK-4
VL
VH