Kenwood KAC-9103D Service Manual page 8

F
KAC-9103D
TP512 TP513
TP511
R519
16K C513
0.1
R520
10K
2.6V
IC53
5.3V
2.6V
C527
0.01
TP514
R521
1K
TP515
+15V
-15V
303
306
2K
D308
0.7V
TP601
1.9V
TP602
7.5V
Q605
TP611
TP612
Q604
RENT
C.
Q606
D604
7
Q607
K
22K
Q603
22K
∗
L4
∗
L14
D606
Q611
R70
Q41
10K
Q43
10K
4.4V
10K
IC2
2.0V
(2/2)
0V
5 8
7
6
C14 1000P
4
R34
C13 R35
6.8K
0.1 100K
2.0V 0V
C11
TP74 TP73
TP72
1000P
TP71
R36
∗
R645 C616
A
20K
0V
680 10u50
+
C12
Q612
D608 47u25 14.3V
+
C617
10u50
+
8
X09-5820-14 A/2 (2/2)
G
Q1,2,5,151,501,602,609-611
Q3
Q4,29,30,601,608 :
Q8,9
Q10,11
Q12-14,18-20
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
Q411,414
C517
Q416,612
0.01
Q417,605,606
-15.0V
Q603
R522
2.4K
+5.3V
TP504
C605
47u25
+
IC62
5 4 0V
VEE
TP603 R613
3 15.0V
6 TP604
C608
10K R610 0.01
2 7.5V
4.7K
7
8 1 13.0V
VCC
15.0V
+15V
R609 R604 20K
TP606
20K
TP605 TP607
∗
15.0V
IC61 1.5V
(2/2)
R615 D602
R607
6 1
Q602
1K 7
∗
5
10K
IC61
1.5V
Q601 (1/2)
-15.0V
R617
PROTECTION
D607
10K
Q608
TP608
TP36
TP609
TP610
TP37
TP613
Q609
Q610
LATCH
+14.3V
DC/DC CONV.
C9
0.01
0V
IC1
TP70
1 16
IN1+ IN2+ R23
0V
680K
0V 2 15
IN1- IN2-
C8 C8
0V 3 14
FBACK 5.0V REF 2.2u50 2.2u50
13
TP69
0.2V
OUTCTRL
4
IC2
DTC
3.3V
(1/2)
0V
0V
5 12
1
CT VCC
3.8V
TP68
6 11
RT C2
14.2V
7 Q36
2.0V
GND
10
10K
14V E2
8 9
0V
C1 E1
10K
H
IC1 : TL494IDR
: 2SC4081 IC2 : BA10358F
∗
: 2SB1241 IC11,32,61 :
2SA1576A IC12,13 : SN74HC00D
: 2SC4097 IC31,62 : BA10393F
: 2SA1577 IC51 : RC4580IDR
∗
: IC52,53 : NJM2172V-ZBTE2
: 2SC1845-A(F,E)
: 2SC4883ANF D1-3 : RM4ZLF-J4NF
: 2SA1859ANF D4 : 02DZ6.8F-Y
: DTC114EUA D5,407 : 02DZ15F-Y
: DTA114EUA D6,7,9-12,14-17,103-110,151,
: 2SC945AA(Q,P) 182,183,186,303-307,401-406,
: 2SA992-A(F,E) 502,601,602,604,606,904,906-908
: STW34NB20 : 1SS133
D8,605,607 : 02DZ10F-Y
∗
: 2SC3478AA(L,K) D18 :
∗ ∗
: D19 :
: 2SC3415S D23,25 : 02DZ16F-Y
: 2SC3902 D101 : UMZ6.8N
: 2SB1427 D181,308,501 : 02DZ5.1F-Y
: 2SD1863 D608 : 02DZ12F-Y
: 2SA1376AA(L,K)
: DTC124EUA
3.0V
TP503
R501 100 1
TP47
R506
1K R502 100 2
TP501 TP48
R507 R503 100 3
TP502 TP49
1K R504 100 4
TP50
Q501
C519
1500P
TP21
TP22
TP63
D4
R1 TP23
3.9K
C1
10u50
C604 C603
0.01 0.01
TP1
TP2
TP3
TP4
1.5V
TP5
TP6
R603
8 2
TP7
TP11
3 TP8
20K
TP12
TP9
4
TP13
TP10
1.5V
TP14
TP15
D1
TP16
TP17
D2
TP18
∗ TP19
-15V
D3 TP20
P-CON SW
+14.4V
Q3
∗
R9
Q2
Q1
1.0V
3
2 Q4
TP60 R12
D11 D9
R13 75K
100
TP61
Q5 MUTE DRV.
I
SIGNAL LINE
GND LINE
B LINE
B LINE
CAUTION : For continued safety, re-
place 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 (ex-
posed parts are acceptably insulated
from the supply circuit) before the ap-
pliance is returned to the customer.
• DC voltages are
REMOTE
X08-B/2- as measured with
J4 J1
a high impedance
2/2
voltmeter. Values
may vary slightly
B
due to variations
b e t w e e n i n d i -
v i d u a l i n s t r u -
m e n t s o r / a n d
∗
J3
units.
1
2
SPEAKER
3 OUTPUT
4
5 P-CON
6 GND
7 BATT
∗
FUSE
∗
J5
∗
FUSE
P1
P2
∗
L11
∗
L1
TP64
TP34 TP35
TP65
KAC-9103D (1/2)
J
1
2
3
4
2SA992-A
2SC1845-A
5
B
C
E
2SA1576A
6
2SC4081
7