Kenwood RXD-951 Service Manual page 35

DQ DR
X08-A/3
-CN5
6/9
1
O
IC21
X09-A/8 SKT401-030K
-E16
SKT407-710K
7/9
U D22,23
RXD-A700
RXD-V616
OTHER
(X09-601X-XX) (C/8) : RXD-V616(M4,I4)/V818(M3,I3)
2 (X09-603X-XX) (C/8) : RXD-V616(V4)/V818(V3)
POWER IC (FRONT L,Rch, SUB WOOFER ch)
IC21
3
4
STK401-030K
STK407-710K
5
CN24
WH9
MUTE 1
ATT 2
S.W. IN 3 R501
3.3K
Lch IN 4
0.7V
R505
2.2K
X09-A/8
A GND 5
-E6 506
2.2K
7/9
0.7V
R502
3.3K
Rch IN 6
T
6
R513
3.3K
X08-A/3
0.7V
-CN4
R515
2.2K
6/9
P
CURRENT
7 7
PROTECTION
DC
8 8
X09-A/8
PROTECTION
-E5 FAN
9 9
CONTROL
SP.RLY 10 10
7/9
H.P. 11 11
HP RELAY 12 12
S
7
DS DT
1 2 3 4 5 6 7 8 9-11 12-15 16 17 18,19 20
58.0V 0V 26.1V 26.6V 18.0V -19.1V -27.2V -58.3V -26.6V 0V -54.0V 54.2V 0V -52.6V
50.0V 0V 50.0V 0V 0V 0V 0V -50.3V -50.3V 0V -49.0V 49.0V 0V -47.7V
A B C D
45.9V -46.0V 26.9V -27.6V
57.3V -57.4V 25.9V -26.3V
57.3V -57.6V 26.4V -27.0V
0V 0V 0V 0V
48.9V
C537
C511
10P +
R545
56K
C535
+
R507
2.2K C501
+
-3.8V
R509
2.2K
Q501 Q505
R510
Q506
Q502
2.2K
-3.8V
R508
2.2K C502
+
R519 C505
2.2K 2.2u50
+
R521
2.2K
-3.8V
Q507
Q503
Q501-503 Q505-507
ATT MUTE G
DU DV
RXD-V616 (X09-60XX-XX)
DESTINATION
21,22 23,24 25 26
COUNTRY ABB.
GENERAL MARKET M4
0V 0V -26.6V 0V
MALAYSIA I4
SHANGHAI V4
0V N/C N/C N/C
RXD-V818 (X09-60XX-XX)
DESTINATION
COUNTRY ABB.
GENERAL MARKET M3
MALAYSIA I3
SHANGHAI V3
0V
W201
Q24 W47
J
49.5V
D510 D509 D101
C538
+
-B
R554
10K R567 0V 0.7V
3.9K
Q504
C536
+
+B
R558 18K
R531
0.1 2W
R532
0.1 2W
H
R551
0.1 2W
R535 R536 R555
4.7K 4.7K 4.7K
C513 C514 C515
4700P 4700P 4700P
0V 0V 0V
0V 0V 0V
Q509 Q510 Q511
13.0V 13.0V 13.0V
C80
0.01
12.1V
DW DX
R545, R578, C501, C511,
UNIT No. I J G H L IC21 J2 Q17 R566 C535-538
549,565 598 502 533
10-22 100 47
YES NO STK407-710K 4P NO NO 2.2u50 NO 10u63
1/4W 2W
32-12
R545,549, R578, C501, C511,
UNIT No. I J G H L IC21 J2 Q17 R566
565 598 502 533
10-21 200 100
NO YES STK410-030K 8P YES YES 0.056u50 YES
1/4W 2W
32-11
WH7
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
E11
24.3V
Q17
25.6V
R187
R51 R52 R587 R588 3.3
100K 100K 100K 100K 2W
+B
R188
3.3
2W
R598
+B
K13
PHONES
ON/OFF
0V
A
B Q514
PHONES
ON/OFF
DRIVE
+B
+B +B +B
-B
D
-B C
+B
L
L3
R583
4.7 1/4W
L4
R584
4.7 1/4W
L5
R585
4.7K
1/4W
R561
10K
R571 0.7V
4.7K
C79
1000P
DY DZ
W47
201
YES
W47,
C535-538
201
10u100 NO
RXD-V616 ONLY
E10
1
2
WH18
3
4
5
CN6
4
H.P Lch
3 H.P Rch
2 GND
1 H.P DET
J4
0.7V
12
SUB S.W
PRE OUT
I
+B J2
+
1 Lch
-
FRONT
SP.
-
2 Rch
+
S.P.
J2
ON/OFF
+
+B 1 Lch
K11
-
FRONT
SP.
-
2 Rch
+
S.W.
ON/OFF
+
R578
+B
3 Lch
-
K12
SUB
WOOFER
-
0V
4 Rch
+
SP.
Q512
ON/OFF E14 WH10
Lch
DRIVER
1
Lch
2
Rch
3
Rch
4
GND
5
SURR
6