Kenwood KRF-V5200D Service Manual page 24

AE
KRF-V5200D
1
(X09-7032-70) (A/2)
2
C47
WH1
10u50
FL IN 1
+
L cH-GND 2
C48
10u50
FR IN 3
+
X08- R cH-GND 4
CN151
C49
SBL IN 5
10u50
SL IN 6
1/3
+
S cH-GND 7
C50
SBR IN 8
AB-3
10u50
SR IN 9
+
10
C cH-GND
C51
10u50
C IN 11
+
3
3.1V
R303
10K
R301
2.7K
4
14
CN3
1
DET-SUR
NC 2
SUR-B RLY 3
4 4
SUR RLY
C RLY 5 5
F-SP B.RLY 6
7 7
F-SP A.RLY
HP.RLY 8 8
AVR & IC-PROT2 9
AMP DC-PROT1 10
X08-
5
CN601 FAN CONT 11
+B U-COM HELP 12 +6.9V
1/3
NC 13
A.MUTE 14 14
E-7
TH-DET-D2 15
-6dB ATT 16 16
TH-DET-L,
17
RcH AMP
FL AC 1 18
FL AC 2 19
FAN LEVEL DET. 20 20
TH-DET-PACK 21 21
LIMITER 22 22
TH-DET-D1 23 23
NC 24
-FLV 30V 25
-FLV GND 26
R529
-B(VIDEO) 27
1
6
NC 28
+B(VIDEO) 29
R508
2.2K
1/4W
CN4
FAN -VSS 2
FAN GND 1
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
indicates safety critical components. For continued protection against risk of fi re, replace only with same type and rating fuse(s).
To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably
7
insulated from the supply circuit) before the appliance is returned to the customer.
24
X09-7032-70 (1/2)
AF
IC1
R1 MUTE
2.2K R69
FL
1.2K Q7
D7
FL
Q1
R703 R702
0 0
FLG
R70
FR
1.2K Q8
D5
FR
Q2
R2
2.2K
W700
FRG
R33
2.2K
SL
Q5
D6
R34
SL
2.2K
SLG
SR
R101
Q6
2.2K
D4
SR
SRG
C
Q101
D3
C
CG
Q301
R302
10K
MUTE
CONTROL
Q302
R307
R304 33
10K
R309
1K
+11.9V
12V
D302
C309
47u25
Q307
+
R347 R326
DC PROT
3.6K 220
Q306
Q305
AVR IC
PORT
R324
47K
3.6V
Q303
Q304
Q502
18
21
19
23
+22.3V
22.7V
R506
Q503
47K
D525 D524 D513 D512
C518
10u50
+
Q504
C519
47u50
+
AG
PRE
DRIVER
CH1
R349 Q309
R357
470
30K
R350 Q310
R355
470
30K
R356
R351
30K
Q311
470
+58.6V
58.6V
43V
+11.9V
12V
D311
R346
47K
D322
R344
Q308
R310 47K
D312
R345
18K
33K
R323
1K
R312
18K
+9.8V
30.1V
+11.9V +11.9V
7 6 5 4 3 2 1
WH2
X08-
1/3 AA-7
CN801
AH
PRE MONO PRE
DRIVER DRIVER
IC
CH2 CH3
BIAS CIRCUIT
C6 C8
470P 390P
C30 C28
390P 470P
R14
56K R38
56K
R12
R36
100K
100K
R340
D310
R336 47K
47K
R341
D309
R335 47K
47K
R339
R333
D315
D308
47K 47K
22
+9.8V
30.1V
+22.3V
22.7V
+11.9V
3 2 1
WH5
CN9
+22.3V 1 12V+B
IC3
2 +12V GND
IN OUT 3 +12V
GND
(X09- )
(B/2)
AI
C102 C103
470P 390P
R103
56K
R102
100K
58.6V
+43.9V
43V
R265
4.7
1/4W
L3
D314
R266
4.7
1/4W
L4
+11.9V