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Kenwood KPA-HD100 Service Manual page 5

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A
B
1
ADAPTOR PCB UNIT
E
CH
CN2
1
5
9
2
6
10
13
3
7
11
4
8
12
2
ZD6
ZD5
ZD4
3
BU5V
POWER
SUPPLY
5.0V
IC2
L1
D1
14.4V
IN OUT
GND
13.5V
D3
0V
TR3
ZD7
22K
5.7V
22K
C6
0.33
4
BU14V
0V
DETECT
SW
IC1
: UPD784215GC-185
IC2
: TA78DL05AS
IC3
: S-80837ANUP
IC4
: NJU7062M
IC5
: HD14013BFP-EL
C5
IC6
: HD14066BFP-EL
0.1
IC7
:
LB1848M
IC101
: UPD16306AGF-3BA
5.0V
R62
TR1
: 2SA1429(Y)
100K
TR2-4
: DTC124EK
TR5,52,56
: 2SC2712(Y)
TR51
: 2SD2353
TP
(38K)
TR53,54 : 2SC3669(Y)
5
TR55
: 2SA1162(Y)
TR57
: RN1401
D1
: 1SR154-400
D3-7
: 1SS226
(VPP)
TP
D51
: 1SS184
R63
0
D52-55 : U1DL44A
D56
: NSD03A40
ZD1-9,12,14-17,19,101,
102
: MA3056WA
ZD10,11 : HZU7.5B1
(GND)
TP
ZD51,53 : 02CZ15-Z
ZD52
: PTZ2.0B
GND LINE
B LINE
6
5.0V
(5V)
TP
R34 1K
(RST)
TP
R22
10K
7
CAUTION : For continued safety, replace 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 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.
C
D
E
H/U
KPA-HD100
CN1
1
5
9
D56
2
6
10
13
3
7
11
4
8
12
ZD3
ZD2
ZD1
ZD12
5.0V
KPA-HD100
TR1
5.0V
TR1,2
SW5V
(DIS)
TP
4.4V
POWER
SW
0V
KPA-SS100
22K
5.0V
R35 100K
TR2
22K
R36 100K
0V
50
49
48
76
(CHCON2) P80
P63 (D/DSW)
47
77
(CLK2) P27
46
78
(DATAH2) P26
45
79
(DATAC2) P25
80
44
81
(REQH2) P24
VDD
43
82
(REQCO) P23
42
83
(CLKO) P22
41
84
(DATACO) P21
85
40
P103 (32K)
(DATAHO) P20
86
IC1
39
P30 (38K)
(KWCLK) P72
87
SYSTEM
38
(KWDATA) P71
u-COM
88
37
(KWSTB) P70
89
90
36
AVREF1
91
35
(KWBLK) P131
92
34
93
33
AVSS
94
32
TEST (VSS)
AN7
95
31
(TH) AN6
96
30
(V2) AN5
97
29
(V1) AN4
98
28
(T2) AN3
99
27
(T1) AN2
100
26
AN1
TR4
IC3
RESET
VOLTAGE
SW
DROP RESET
IC3
2
X1
TR4
12Mz
VCC
1
5.0V
22K
VO
GND
22K
3
R28
R30
16
33K
1K
21
TR5
CHCON
SW
E
F
S2
S1
S1
R56 4.7K
D51
TR51,55,56
TR53,54
13.5V
DC/DC CON
T51
9.8V
DC/DC CON
L51
F1
POWER SW
OSCILLATOR
11
2A
TR51
100uH
R57 10K
13.0V
10
TR53
5
R51
12.0V
12.8V
100
10.0V
9
4
TR55
0.6V
3
TR57
0V
0.6V
TR52
8
0.5V
TR54
TR56
2
7
1
6
R55
2.4K
TR57
TR52
R100 100
VOLTAGE
VOLTAGE
ZD9
DETECT
REGULATOR
R101 100
SW
DRIVE
R102 100
R103 100
ZD8
RB1
1Kx4
30
C36
0.1
29
RB2
1Kx4
48
47
R73
1K
46
28
45
RB3
1Kx4
44
43
R72
1K
42
27
41
40
39
38
37
35
5.0V
IC4
R86 300K
COMPASS SIGNAL
AMPLIFICATION
C31
X
2.5V
IC6
0.1
R84
5
(2/4)
R88
8
2
10K
3
4
100K
1
31
3
R85
IC4
30
4
2.5V
10K
2
1
IC6
1.3V
(1/2)
29
(1/4)
13
28
27
R92
IC6
300K
2.5V
Y
(3/4)
6
R90
R94
6
10K
9
8
100K
7
5
R91
10K
10
11
1.3V
IC4
2.5V
(2/2)
IC6
12
(4/4)
5.0V
IC5
IC6
14
14
6
8
S
S
2.5V
5
1
2.5V
9
13
2.5V
7
7
D
Q
D
Q
2.5V
3
2
2.5V
11
12
2.5V
CK
Q
CK Q
IC5
IC6
R
R
IC5
CLOCK
COMPASS
(2/2)
4
10
IC5
FREQUENCY
SIGNAL
DIVIDER
SW
(1/2)
G
H
S26
S1
S22
S23
S25
S24
4a
S1
S21
col
DISPLAY PCB UNIT (KPA-HD100 ONLY)
CN101
VF2
1
VF2
2
CN4
VF1
3
1
VF2
VF1
4
ZD52
VA
5
2
VF1
17.8V
3
VA
4
GND1
5
BLK
6
CLK
7
TH+
8
VF2
9
VF1
36.0V
10
VG
5.0V
11
5V
12
STB
13
DATA
R48 10K
R71 1K
ZD14
14
TH-
R50
KPA-SS100
CN6
ZD11
D7
10K
3
V2
ZD19
2
VG
6
R49
ZD10 D6
1
V1
10K
C105
0.1
GND
7
5.0V
5V
8
R67
CN7
T2
100
BLK
9
4
STB
10
CLK
11
DATA
12
3
R66
100
T1
2
RB102
1Kx4
1
TH+
13
TH-
14
KPA-CP100 (OPTIONAL)
R83
CN5
10K
X
DRIVER IC
1
PIN
No.
51
COM
52
2
53
4
3
54
55
2
56
R89
57
ZD15
10K
Y
3
58
59
60
5
1
61
COMPASS
62
DRIVE
IC7
63
5.0V
6
SEN101
R96
64
1
7
2.5V
47
QUARTER
65
4
SENSOR
66
3
R95
67
6
8
2.5V
47
68
5
69
0V
70
5 2
ZD16
71
2.5V
72
R69
100
73
6
82
SENSOR
83
DETECT
84
ZD17
JUMPER
85
86
7
87
88
89
90
DTC124EK
RN1401
2SA1162
2SC2712
I
J
S20
Dp
d
n
r
c
e
g
g
b
f
k
h
a
1a
3a
2a
S19
VFD101
F
F
G
SEG
01-064
2,31,50,79
VDD2
RB101
41
33Kx4
R/L
42
VDD1
38
CLK
37
A
5,34,39
43
VSS1
STB
47,76
45
VSS2
BLK
44
PC
B
36
IC101
ZD101
ZD102
VFD DRIVER
VFD(LED)
VFD(LED)
DRIVER IC
PIN
PIN
PIN
PIN
PIN
SEGMENT
SEGMENT
NAME
No.
No.
NAME
No.
01
36
S11
91
033
74
S1
02
35
S12
92
034
73
S2
03
34
S13
93
035
72
S5
04
33
S14
94
036
71
S4
05
32
3a
95
037
70
S3
06
31
3f
96
038
69
S25
07
30
3h
97
039
68
S24
08
29
3b
98
040
67
S23
3g
09
28
99
041
66
S22
010
27
3e
8
042
65
S21
011
26
3r
9
043
64
S18
Dp
012
25
3n
10
044
63
013
24
3c
11
045
62
2a
014
23
3d
12
046
61
2f
015
22
S20
13
047
60
2h
016
21
S10
14
048
59
2b
017
20
col.
15
049
58
2g
018
19
4a
16
050
57
2e
019
18
4f
17
051
56
2r
020
17
4h
18
052
55
2n
021
16
4k
19
053
54
2c
022
15
4b
20
054
53
2d
023
14
4g
21
055
52
S19
024
13
4e
22
056
51
1d
1k,1r
025
12
4r
23
057
50
026
11
4n
24
058
49
1g
027
10
4c
25
059
48
1e,1f
028
9
4d
26
060
47
1a
029
8
S9
27
061
46
S17
030
7
S8
28
062
45
S16
031
6
S7
29
063
44
S15
032
5
S6
30
064
43
S26
1SS226
02CZ15-Z

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