Kenwood KAC-8102D Service Manual page 8

F
KAC-8102D/8152D
KAC-9102D/9152D
TP511 TP512 TP513
R519
C524
16K C513
0.01
0.1
R520
10K
2.6V
IC53
5.3V
2.6V
C527
5.3V
TP514
R521
1K
TP515
+15V
-15V
D303
R306
6.2K
D308
TP601
TP602
Q605
R626 TP611
3.3K
TP612
Q604
CURRENT
DETEC.
Q606
D604
R627
Q607
3.3K
22K
Q603
22K
∗
L4
∗
L14
V
R70
Q41
10K
Q43
10K
TP76
4.4V
10K
IC2
2.0V (2/2)
0V
5 8
7
6
C14 1000P
4
C13 R35
0.1 100K
2.0V 0V
TP74 TP73
TP75
8
X09-5820-1x A/2 (2/2)
G
Q1,2,5,151,501,602,609-611
Q3
Q4,29,30,601,608 :
Q8,9
Q10,11
Q12-15,17-20
Q25
C518
Q26
0.01
Q28
Q36
C515
Q37,38,43
47P
15.0V
Q41
R523
Q42
Q187-190
5.6K
IC51
Q401,402,418,604,607
(1/2)
0V
2 8
1 Q403-407
3
Q408,412
4
0V Q409,413
Q410,411,414,415 :
C517
Q416
0.01 0.01
Q417,605,606
-15.0V
Q603
R522
2.4K
+5.3V
TP504
C605
47u25
+
IC62
0.7V 5 4 0V
VEE
TP603 R613
3 15.0V
1.9V 6 TP604
7.5V 10K R610
2
4.7K
7.5V 7
8 1 13.0V
VCC
15.0V
+15V
R609 R604 20K
TP606
20K
TP605 TP607
IC61 1.5V
(2/2)
R615 D602
R607
6
Q602
1K
7
5
10K
1.5V
Q601
R617
PROTECTION
D607
10K
Q608
TP608
TP36
TP609
TP610
TP37
D606
TP613
Q609
Q610
Q611
LATCH
DC/DC CONV.
0V
IC1
TP70
1 16
IN1+ IN2+
0V
0V 2 15
IN1- IN2-
0V 3 14
FBACK 5.0V REF
R34 13
TP69
0.2V
OUTCTRL
6.8K
4
DTC
3.3V
C11
0V TP68
TP72
1000P
5 12
CT VCC
3.8V
Q36
TP71
R36
6 11
RT C2
14.2V
20K
0V 7
GND
10
10K
C12
14V E2
47u25 14.3V 8 9
0V
C1 E1
+
H
IC1
: 2SC4081 IC2
: 2SB1241 IC11,32,51,61 :
2SA1576A IC12,13
: 2SC4097 IC31,62
: 2SA1577 IC52,53
: 2SK3662-F
: 2SC1845-A(F,E) D1-3
: 2SC4883ANF D4
: 2SA1859ANF D5,407
: DTC114EUA D6,7,9-12,14-17,103-110,151,
: DTA114EUA 182,183,186,303-307,401-406,
: 2SC945AA(Q,P) 502,601,602,604,606,904,906-908
: 2SA992-A(F,E)
: STW34NB20 D8,605,607
D18
: 2SC3478AA(L,K) D19
∗
: D23,25
: 2SC3415S D101
: 2SC3902 D181,308,501,603 :
2SB1427
: 2SD1863
: 2SA1376AA(L,K)
: DTC124EUA
3.0V
TP503
R501 100
TP47
R506
1K R502 100
TP501 TP48
R507 R503 100
TP502 TP49
1K R504 100 TP50
Q501
C519
1500P
TP22
TP63
D4
C608
0.01 3.9K
C1
10u50
C604 C603
0.01 0.01
TP1
TP2
TP3
TP4
15.0V 1.5V
TP5
TP6
R603
8 2
TP7
1
TP8
3
20K
TP9
IC61
4
TP10
1.5V
(1/2)
D1
-15.0V
D2
∗
-15V
D3
P-CON SW
Q3
+14.3V
∗
R9
C9
0.01
R23
680K
C8 C8
2.2u50 2.2u50
IC2
1.0V
(1/2)
0V
3
1
2
2.0V
10K
TP60
D11 D9
R13
100
TP61
Q5
KAC-8102D/8152D/9102D/9152D (1/2)
I
: TL494IDR SIGNAL LINE
: BA10358F
GND LINE
RC4580IDR
B LINE
: SN74HC00D
B LINE
: BA10393F
: NJM2172V-TE2
: RM4ZLF-J4NF
: 02DZ6.8F-Y
: 02DZ15F-Y
: 1SS133
: 02DZ10F-Y
∗
:
∗
:
: 02DZ16F-Y
: UMZ6.8N
02DZ5.1F-Y
REMOTE
X08-B/2-
J4 J1
1
2/2
2
3
B
4
TP21
J3
1
2
SPEAKER
OUTPUT
3
4
R1 TP23
5 P-CON
6 GND
7 BATT
∗
FUSE
∗
J5
∗
FUSE
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
P1
P2
CAUTION : For continued
∗
safety, replace safety criti-
L11
+14.4V
∗ cal components only with
L1
m a n u f a c t u r e r ' s r e c o m -
mended parts (refer to parts
list).
Indicates safety critical
Q2
components. To reduce the
TP64
risk of electric shock, leak-
Q1
age-current or resistance
measurements shall be car-
ried out (exposed parts are
TP34 TP35
acceptably insulated from
Q4
the supply circuit) before the
appliance is returned to the
R12
75K customer.
TP65
• DC voltages are as mea-
MUTE DRV.
sured with a high imped-
ance voltmeter. Values
may vary slightly due to
variations between indi-
vidual instruments or/and
units.
J
1
2
3
4
5
6
7