Kenwood KAC-PS621, Руководство по обслуживанию

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KAC-PS621/X621
14
O N M L K
1
2
3
4
5
6
7
10K
10K
10K
10K
10K
10K
5.0V
5.0V
0V
0.5V
14.2V
14.2V
5.0V
5.0V
5.0V
14.4V
5.0V
14.2V
5.0V
IC7
IC6
IC2
KAC-PS621/X621 (1/2)
X1
R402
47K
12.288MHz
NC35
NC66
R483 10K R428 10K R429 10K
R42710K
NC24
21
24 23 22
O
E2PSD
A
E2PSCL
AMP
7
AMP
5
30 27 26 25 29 28 33 32
31
35 34
DIPSW3 DIPSW2 DIPSW1 MODEL1 DIPSW4 NC32 NC31 MODEL2 NC34 VSS1
VSS0
VD1
X2
X1
TEST
XT2
XT1
VDD0
A
VDD
ADI
AD
V
TEMP1
TEMP2 TEMP3
EF1
ATAM
ATAS
U
LK
K
AA
AL
P6
EQS
S
A/D
P5
P4
80 77 78 79 71 74 75 76 72 73 68 69 70 66 67
38 37 36 40 39
COMMSW
LCDILL NC37 NC36 NC40 LED
42
41
ATT1
ATT2
43
44
45
ATT3
NC44
NC45
R425
180
R426
180
PCON
LXCON
LXREQM
NC64
VDO
WN
POWERON
DPWER
DCDET
ABCUR
DCUR
46
47
48
49
NC47
NC48
NC49
50
51
52
53
MUTE1
MUTE2
RESET
FAN1
54
55
56
57
SW5V
58
59
60
FAN2
R401
10K
63 64 65 61 62
R434
10K
VSS
NC
4
3
VOUT
VDD
1
2
2.2u50
C403
R431
47K
OUTCTRL
4.7uH
C404 27P
150K
47u25
8
C405 27P
L9
R81
4.7K
R80
47K
C74
220u16
C69
1u50
R72
4.7K
3900
u
16
4
5
6
7
1
2
3
7
8
6
5
4
3
2
1
3
W255
2
1
5 4
W256
83 7 6
2
1
94
5
10
W253
R60
10
R59
10
4
GND
8
C1
7
6
5
RT
CT
DTC
3
2
1
FBACK
IN1-
IN1+
R51 C54
10u35
0.01
C402
100u10
C401
C76
R84
1.5K
25uH
C51
10u25
2
1
Lch-
Rch+
Rch-
3
4
5
6
7
BATT
P-CON
GND
13
E2
E1
9
C2
VCC
10
11
12
47u25
C52
REF
IN2-
IN2+
14
15
16
TH1
59
58
57
56
55
54
53
52
43
100K R484
100
R421
100K R481
100
R422
R424 10K
100
R458
100
R459
A
UDIO MUTE
O
C602 1000P C603 1000P
C406 0.01
R430 2.2K
56
R58
56
R57
1000P
C53
R62 4.7K
R61 4.7K
R52 33K
1K
R76
510 R77
C71 0.1
10K R79
100K
R74
10K
R71
R476 13K C454 0.01 R475 13K
4
5
3
2
1
1.5K
R56
1.5K
R53
6.8K
R53
18K
R54
R83 3.3K R82 3.9K
3.9K
R85
0.047
C145
0.047
C146
1/2W
10
R202
1/2W
10
R201
10K R86
54
52
C70 47u25
10u35
C68
55
27 26 25 28
62 63
46
39
27 28
25 26
76 77
21
60
2.7K
R433
2.7K
R432
10K
R423
R460
100
1800P
1/2W
R73 10
C73
Lch+
2
1
W252
W254
2 2
1 1
L1
1
2
W251
+
+
+
+
+
+
+
+
+
+
S1
148
Q149
Q403 Q404
D81
Q69
D55
Q50
Q68
Q66
D59
Q65
Q64
Q58 Q60 Q56 Q602
Q57 Q59 Q55 Q601
Q52
Q54
Q53
Q91
Q51
Q71
Q70
D71
D70
D52
D51
P1
J2
Q92
TRANS.
S2
D53
CN61
CN9
5V SW
T.
5V AVR
RST
u-COM
ID NUMBER
DC/DC CONVERTER
CAUTION : For continued safety, replace
s a f e t y c r i t i c a l c o m p o n e n t s o n l y w i t h
manufacturer’s recommended parts (refer to
parts list).
Indicates safety critical components. To
reduce the risk of electric shock, leakage-
current or resistance measurements shall be
carried out (exposed parts are acceptably in-
sulated 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.
2SA965-F
2SA992-A
2SC1845-A
2SC2235-F
B
C
E
2SA1576A
2SC3419
B
E C
2SC4081
DTA114EUA
DTA124EUA
DTC114EUA
NJM4565MD-ZB
DA204U
2SK246
D
G
S
NJM2058M-ZB
X09-5770-10 A/2 (3/3)