Kenwood KAC-7202 Service Manual page 7

F
C143
+
10u50 R134 C125
+
22K 10u50
+15.2V R157
330
C133
TP60
0.1
TP44
TP43
R149
16K TP46
2 8
1
3 IC9
IC13 TP65
(1/2)
IC8
IC13
(2/2)
TP66
TP59
5
7
R150
6
TP42
4
16K
TP40
C134
R158
0.1
-15.2V
R135 C126
22K 10u50
+
BASS BOOST
D109
TP39
38
TP41
R30 10 C18
1/2W 2200P
TP121
DC/DC CONV.
TP126
4V D5
L3
C10
3900u16
+
C11
D6
3900u16
+
TP122
4V
4
TP125
TP120
FAN +B
Q621
Q609
R619
MUTE
DRV.
4.7
TP142
Q603
R627
Q622
1K
TP144
10K
TP145
TP148
10K
+B
TP150
TP141 D601
8
K TP149
Q601
G
+15V
R161
+15.2V
22K TP74
R159 C140
TP67
2.4K 47P
TP68
R163 C144
TP71
22K 10u50
+
6 8
C155
7
10u50
5
+
IC15
(2/2)
C139 TP69
IC15
0.1
(1/2)
C145
3
10u50
1
R160
2
+
4
2.4K
TP70
R164
TP72
22K
330
TP73
R162 C141
22K 47P
-15.2V
-15V
+15V
+B
Q9
Q3 Q5 Q7
R11
TP115
10
Q10
TP114
TP119
Q11
TP118
R12
Q4 Q6 Q8
10
TP117
Q12
-B
L2 18uH
TP158
L1 18uH
14.2V
TP146
Q604
TP147
R616
TP159
3.9K
TP152
TP151
Q606
Q605
Q602
C618
10u50
Q623
+
R602
10K
47K
10K
P-CON CONT.
H
X08-B/2
J1
J4
1
2/2
1
2
2
3
3 B
4
4
CN1
TP79
14 14 LOGO-LED
TP75
13 13 FAN+B
TP76
-15V 12 -15V
TP77
+15V 11 +15V
X08-A/2
TP78
CN8
10 BB-R
2/2
9 ISO-GND-2
TP80
8 BB-L
A
TP81
7 D-GND
TP82
6 6 ISO-R
TP87
5 5 ISO-GND-1
TP83
4 4 ISO-L
TP84
3 3 VR1-R
TP85
2 2 RCA-G
TP86
1 1 VR1-L
TP95
R647 R618
100K 100K
TP92
TP94
IC6 D617
R651
(1/2)
1K
3 4.0V
0V 1
R650
2 10.0V
R646
TP91
33K
18K
D611 TP98
TP89
C617
10u50
+ R657
15.2V
R643 1.5K
4.0V
100K
R648
D616
0V 1K
8 5
7
R649 47K
6
IC6
4
(2/2) 12.7V
R642
7.5K TP97
TP96
TP112
Q13
TP113
TP104
TP110 TP103
R27
1K
R23
10K
TP116
R25
6.8K
TP105
C17
D10
1000P
TP109 TP108
R24
TP111
16K
C16
10u50
+
Q14
TP157 14.4V
∗
J3
C1
10u 25V
7 BATT
6 GND
5 P-CON
4 LCH+
TP155
3 LCH-
SPEAKER
OUTPUT
2 RCH-
1 RCH+
TP153
P1
TP156
KAC-7202/7252 (1/2)
I
KAC-7202/7252
CAUTION : For continued safety, replace safety
critical components only with manufacturer's
recommended parts (refer to parts list).
Indicates safety critical components. To re-
duce the risk of electric shock, leakage-current
or resistance measurements shall be carried
out (exposed parts are acceptably 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.
(X09-5830-xx)
UNIT
MODEL NAME A J1
No.
KAC-7252(J)
KAC-7252(K)
0-10 YES E63-0921-05 E70-0838-05
KAC-7252(M)
KAC-7252(E)
KAC-7202(K) 0-11 NO E63-0926-05 E63-0843-05
IC1,6,12,13,15,16
IC5
IC7-9
Q1
TEMPERATURE
DETECTOR Q2
Q3-8
Q9,12
Q10,11
Q619 Q620
Q13,14,621
10K 10K
Q101,241,242,280,282,
10K 10K
Q607 Q608 R625
Q201-204,217,218,607,608
150K
Q205-208 : 2SC3478AA(L,K)
Q209,210 : 2SA1376AA(L,K)
TP88
Q211,213 : 2SC3419(Y)-F
TP90 Q215,216,601
Q220,223,224,227
Q222,225,226,229
Q251,253,256,258
+B
Q252,254,255,257
Q603,614,615,617
TP99
DC/DC CONV. Q604
Q609
Q610-613 : 2SC945AA(Q,P)
IC5
Q619,620,622,623
1 16
IN1+ IN2+
2.4V
5.0V 2 15
D1,2
IN1- IN2-
D3,4
0V 3 14
FBACK 5.0V REF
D5
13
OUTCTRL D6
0.46V 4
DTC D7-9,108,152,203-206,
3.3V
TP100
0V
TP106
5 12
CT VCC
0V
TP107
6 11
RT C2 D10,101,102,104-107,
14.2V
7
GND
10
12V E2
14.2V 8 9 D103
0V
C1 E1
D109
TP102
D604,614 : 02DZ10F-Y
D606
TP101
D607
D608
-B
2SA965-F 2SA1576A
2SA992-A
2SC1845-A
2SC2235-F
2SC3419
B
C
E
X09-5830-1x A/2 (2/2)
J
1
2
W501,
J3
502
NO
YES
: RC4580IDR
: TL494IDR
: NJM2172V-ZBTE2
: 2SD2012-F
3
: 2SB1375-F
: 2SK3662-F
: 2SC4097
: 2SA1577
: DTA114EUA
602,605,606,616,618
: 2SC4081
: 2SA992-A(F,E)
: 2SC1845-A(F,E)
: 2SC4467NF
: 2SA1694NF
4
: 2SC2235-F
: 2SA965-F
: 2SA1576A
: 2SB1241
: 2SD1863
: DTC114EUA
: RM4ZLF-J1NF
: 02DZ16F-Y
: FCH10A20
: FRH10A20
251,260,261,605,
601-603,610-613,615,
616 : 1SS133
229,253-255,295,617
: LM1MA142WK-G
5
: UMZ6.8N
: 02DZ5.1F-Y
: 02DZ15F-Y
: 02DZ6.8F-Y
: 02DZ12F-Y
SIGNAL LINE
GND LINE
B LINE
B LINE
6
B
E C
7
7