Kenwood KAC-8104D - Amplifier, Руководство по обслуживанию

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8
KAC-8104D
X09-8730-10 (3/3)
B
C
E
2SA992-A
2SC1845-A
2SA1576A
2SC4081
DTA114EUA
DTA124EUA
O N M L K
1
2
3
4
5
6
7
15.0V
-15.0V
7.5V
0V
V
1.5V
1.5V
-15.0V
-15.0V
1.5V
14.4V
SW14.3V
0V
0V
0V
14.0V
15.0V
0V
IC63
KAC-8104D
D14 D16
CN900
D900
D901
Q900
SS.BOOST
Q610
Q609
Q1
Q2
Q608
Q4
Q3
Q5
P3
15
2)
8dB F=40Hz
D605
D4
2)
61
(1/2)
IC61
D602
D603
DC-PROTCT
J3
D7 D6
D5
D8
D2 D1
P1
P2
(2/2)
IC64
D609
GND LINE
SIGNAL LINE
B LINE
B LINE
COMPARATOR
MUTE
ILL
IC1 : TL494IDR
IC11,14,15,18,32,60,61,
64 : BA4560RF
IC12,13 : SN74HC00D
IC31,62,63 : BA2903F
Q1,2,5,6,52,151,400,601,
603,609-611 : 2SC4081
Q3 : 2SB1241
Q4,29,30,51,401,600,608
: 2SA1576A
Q8,9 : 2SC4097
Q10,11 : 2SA1577
Q12,13,19,20 : STP60NF06FP
Q25,404 : 2SC1845-A(F,E)
Q26 : 2SC4883ANF
Q28 : 2SA1859ANF
Q37,38,403,602 : DTA114EUA
Q42,402,417
: 2SA992-A(F,E)
Q405 : 2SA1370
Q406,414 : 2SC3902
Q407,409 : 2SB1427
Q408,415 : 2SC3415S
Q410-413 : IRFB31N20DPBF
Q416,900 : 2SD1863
Q604,607 : 2SC3478AA(L,K)
Q605,606 : 2SA1376AA(L,K)
Q612 : DTA124EUA
D1,2 : 1N5406-TSC
D3 : B30-1743-05
D4 : UDZS6.8B
D5,407 : UDZS15B
D6,7,182,183,186,400,
601-604,606,609,611,
613,900
: 1SS355
D8,605,607,608 : UDZS10B
D9-13,51-53,151,303,
403-406,600 : 1SS133
D14,16 : B30-1770-05
D17,103,107 : LM1MA142WK-G
D18 : FCH10A20
D19 : FRH10A20
D23,25 : UDZS16B
D101 : UMZ6.8N
D104,108,610 : LM1MA142WA-G
D181 : UDZS5.1B
D304,305 : UDZS5.6B
D612 : UDZS6.2B
D901 : UDZS12B
FAN
1
2
TP139
C900 0.01
R900
680
10u50
C902
R902 R906
2.2K 2.2K
TP128
TP127
SP OUT
SP OUT
C636
0.01
TP140
TP18
TP19
FUSE
40A
4
8
1
0.01
C217
C218 0.01
22K
R641
100u10
C613
0.01
C614
C612 0.1
R638 2.2K
3.9K
R1
5
6 8
3
2
4
1
R614 20K
10K
R611
1.3K
R612
10u50
C604
10u50
C607
10K
R615
100K R648
8
V+
7
6
5
1
V-
2
3
4
10K
R650
BATT.
P-CON
GND
33K R11
75K R12
0.01
C4
100
R13
33K
R7
3.9K
R3
10u50
C5
10u50
C3
10K R14 0.01
C6
1.5K
R4
10u50
C2
0.1
C41
0.01
C42
0.01
C40
2.2K
R73
47u50
C622
20K
R613
20K
R616
12K
R610
22K
R640
82K
R639
10K
R644
10u50
C1
0.022 C119
0.022 C118
10K
R5
4.7K
R6
4.7K
R8
0.01
C633
+14.4V
+14.3V
22K
R651
33K
R9
10K
R621
C616
0.033 C609
0.033
6
7
5
2.2K
R622
0.033
C623
0.022
C624
R657 R656
1K 1K
1K
R628
4
R235 2.2K
C224 100P
+15V
15V
+15V
15V
+15V
15V
R647 4.7K
TP17
7
TP31
TP28
TP118
TP119
TP613
TP36
TP610
TP21
TP63
TP23
TP22
TP42
6.8K
R2
22K
R10
L1
TP87
TP98
TP95
TP97
TP94
TP96
TP91
TP90
TP92
TP93
TP34
TP64
TP65
TP47
10u50
C901
24K
R606
4.7K
R649
+14.3V
1 4
C617 0.01
R631 100K
+
+
+
+
+
+
+
+
+
CAUTION : For continued safety, re place safe ty critical
com po nents only with manufacturer’s rec om mend ed parts
(refer to parts list).
Indicates safety critical com po nents. To reduce the risk
of electric shock, leakage-cur rent or re sis tance mea sure-
ments shall be carried out (ex posed parts are ac cept ably
in su lat ed from the supply cir
cuit) be fore the ap pli ance is
returned to the customer.
• DC voltages are as measured with a high impedance
volt me ter. Val ues may vary slight ly due to vari a tions be-
tween in di vid u al in stru ments or/and units. www. xiaoyu163. com
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