Kenwood KAC-PS521 Service Manual page 15

P
(X08-4150-10)
1
2
3
CN1
+VCC 22
AMP-L 21
A-GND 20
AMP-R 19
4
-VCC 18
L-DATA-L 17
L-CLK 16
X09-A/2
CN10 L-CE 15
L-DATA-L 14
1/2
D-GND 13
ISO-L 12
A
A-GND 11
ISO-R 10
9
AUDIO-MUTE 8
AUDIO-SCL 7
5
AUDIO-SDA 6
FAN+B 5
FAN-GND 4
BLUE-LED 3
SW5V 2
ILL+B 1
(X09-5760-10)(B/2)
CN2
FAN+B 2
FAN
6
FAN-
1
GND
D13 :
D251 :
7
Q
TP20
S1
TP4
ST/MONO
TP21
TP2
5
TP19
TP1
2
TP5
TP14
64
TP13
63
TP12
62
TP11
61
TP10
TP6
17
TP7
18
TP3
19
TP18
FAN+B
1 1
BLUE-LED
2 2
FAN-GND
3 3
CN1 WH2
B30-1601-05
1SS133
TP17
FAN
CN2
FAN+B 1
FAN-GND 2
TP16
R
15.0V
TP181
R5 TP76
R65
TP30
TP25
22K
39K
C63 C65
2 4
C3 C5
0.22 0.22
1
0.22 0.22
3
IC1(1/4)
TP29 TP180
TP23
C4 C6 IC1(2/4)
C64 C66
0.22 0.22
5
0.22 0.22
7
6
R6
R66
22K
39K
TP74
TP22
TP183
TP9
ISF,15Hz 24dB/oct
R108
TP93
TP98
470
0V
KI1
R107
TP99 TP94
470
0V
KI2
4.0V
0V
TP8
TP15
5.0V
C103
TP100
0.047
3.3V
C102
TP101
0.047
1.6V
C104
0.01
0V
TP102
TP103
R104 470
61
TP104
R103 470
62
TP105
R102 470
63
TP106
R101 470
64
TP132
R111
1K
X08-4150-10 (1/2), X09-5760-10 B/2 (1/1)
S
KAC-PS521/X521
TP184
+10dB type
TP61 TP187
R45
15K
TP78
R43 R44
3.3K 2.2K
-15.0V
TP31
C67
13 11
10u16
14
12
+
IC1
S2
(4/4)
I.F.S
ON/OFF
TP75
TP32
TP27
IC1(3/4)
C68
10
10u16
8
9
+
TP28
49
KS6
50
KI1
5V
0V
51
KI2
5V
52
0V
KI3
53
KI4
54
KI5
55
TEST
56
VDD
57
VDD1
IC7
58
LCD DRIVER
VDD2
5V
59
VSS
3V
60 5V
OSC
0V
61
DO
3.5V
62
5V
1.5V
DE
0V
63
CL
3.5V
64 1.5V
DI
5.0V
TP130
T
LOW PASS
VR3
T
TP186
C35
0.022
R46
47K
13
14
12
0V
IC5(4/4)
TP37
TP63
TP62
C19 C21
10u16 0.1
+
TP64
HI P
VR1
R2
9.1
C20 C22
10u16 0.1
+
TP65
TP66
32
S32
31
S31
30
S30
29
S29
28
S28
27
S27
5V 26
S26
0V
25
S25
24
S24
23
S23
3.5V 22
S22
1.5V
21
S21
20
S20
5V 19
S19
0V
18
S18
5V
17
S17
0V
3.5
5V
1.5
0V
5V
0V
15