Kenwood KAC-X542 Service Manual page 15

P
IC10
Q7
5.0V
1
IN1+
2
IN1-
3
R11
FBACK
10
4
DTC 0V
Q9
C3
1000P
5
CT
R1 6
RT 3.6V
15K
7
GND
14.2V 8
C1
Q74
R12
Q10
10
Q75
Q8
∗
14.4V W58
Q20 L1
R50
10K
Q31
D9
Q21
Q30
D8
0K
10K
5.0V
RST
IC4
3 2
NC VDD
4
VSS
1
VOUT
C86
2.2u50
+
S7
60
RESET 60
59
FAN2 59
58
FAN1 58
57
MUTE2 57
56
MUTE1 56
55
SW5V 55
54
OWERON 54
53
ABCUR 53
52
DCDET
51
DPWER
50 R620
DCUR
49
10K
NC49
48
NC48
47
NC47
46
OMMSW
45
NC45
44
NC44
43
ATT3
ID NUMBER
42
ATT2
41
ATT1
S6
3
Q
16
IN2+
15
IN2-
14
REF
13
OUTCTRL
5.0V
C2
14.2V
12 47u25
VCC
+
11
C2
10
E2
12V
9
0V
E1
CN3
J7
W51
2
1
12
BATT
11
GND
10
P-CON
9
BL+
8 7
R470 C450
10 0.047
BL-
6 5
1/2W
BR-
4 3
R471 C451
10 0.047
BR+
2 1
1/2W
J8
AL+
4
R370 C350
10 0.047
AL-
3
1/2W
AR-
2
R371 C351
10 0.047
AR+
1
1/2W
P1
1
KAC-X542 (1/2)
R S
2SA965-F
2SA992-A
2SC1845-A
2SC2235-F
B
C
E
2SA1576A
2SC3419
B
E C
2SB1375-F
2SD2012-F
2SC4081
CAUTION : For continued safety, replace safety critical
components only with manufacturer's recommended parts
(refer to parts list).
Indicates safety critical components. To reduce the
risk of electric shock, leakage-current or resistance mea-
surements shall be carried out (exposed parts are ac-
ceptably insulated from the supply circuit) before the
appliance is returned to the customer.
• DC voltages are as measured with a high impedance
voltmeter. Values may vary slightly due to variations
between individual instruments or/and units.
T
KAC-X542
DTA114EUA
DTC114EUA
NJM4565MD-ZB
02CZ8.2-F
2SK246
D
G
S
UPC494GS-A
NJM2058M-ZB
X09-5780-11 A/2 (4/4)
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