Table of Contents
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K
L
SYSTEM E'S
HPF & LPF SW
IC5
4.0V
C76
14
0.27
15
HP RR2
HP
14
0V
RR
C72
RROUT
16
C75
HP RR1
4.0V
HP
13
0.27
0.27
17
13
RLOUT
HP RL2
0V
4.0V
RL
C71
18
OUT
12
HP RL1
4.0V
REF
0.27
C74
HP
11
FR
0.27
19
FROUT
4.0V
HP FR2
0V
11
C70
20
10
HP
C73
HP FR1
FL
4.0V
FLOUT
0.27
0.27
21
4.0V
HP FL2
10
0V
9
AUX2
C69
22
9
OUTL
C64
HP FL1
4.0V
4.0V
8
0.27
1u50
AUX2
23
8
CREF
OUTR
4.0V
7
C519 0.1
+
0V
24
CL2
AGND
C77 0.1
6
25
CL1
DGND
C520 0.1
5
CR2
5V
4
C78 0.1
0V
CR1
3
4.0V
26
4.0V
MUTE
23
SCL
C518 10u16
2
27
AUX1 INR
34
24
SDA
+
28
C517 10u16
VCC
1
AUX1 INL
35
8.1V
+
4.0V
C46 4.7u16
R127 47K
4.1V
R129
R128 820
15K
4.0V
R124 47K
8.1V
D22
IC11
SPECTRUM
ANALYZER
& AGC
AMPLIFIER
4.0V
0V
4.0V
Q32
R121 10K
D94
SPECTRUM
ANALYZER
C50 0.1
AGC
L1 4.7uH
21
19
17
15
13
11
20
18
16
14
12
CN5
to MD MECHA. (X33- )
BR24C01AF
M5237ML
LB1930M
M
N
R60 100K
R62 100K
R61 100K
R63 100K
R65 100K
0V
0V
0V
5V
5V
R141 100K
76
0V
0V
ST TYPE 0
R142 100K
5V
5V
77
ST TYPE 1
0V
0V
78
0V
N.C
5V
79
5V
0V
79
PRE MUTE
0V
80
5.0V
N.C
81
VDD
82
N.C
83
5V
83
SVR
0V
84
N.C
85
5V
85
P MUTE
0V
86
86
ANT CON
5V
0V
5V
0V
R72
R202 1K
87
IC2 SCK
5.6K
R66 2.2K
88
5V
88
DIMMER
0V
89
89
P-CON
SYSTEM u-COM
R67 4.7K
90
5V
90
ACC DET
0V
91
N.C
R70 1K
92
92
P. ON
R71 4.7K
5V
93
93
B.U. DET
0V
0V
94
TEST
R73
R201 1K
95
5V
IC2 SDA
0V
5.6K
R74 22K
96
MUTE
96
97
5V
97
SW5
0V
CP11 100
98
98
MS CL
99
5V
99
MS DA
0V
100
5V
N.C
0V
5V
0V
5V
5V
0V
0V
5.0V
5V
0V
0V
32.768kHz
R77 100K
25
RESET
4.9V
IC6
3
2
D21
4
1
0V
4.9V
9
7
5
3
1
10
8
6
4
2
TDA7479D
O
P
5V
0V
0V or 5V
CP3 1K
54
53
5V
0V
5V
0V
5V
0V
5V
0V
CP4 1K
50
5V
LOAD
50
49
0V
EJECT
49
5V
0V
48
R108 2.2K
LOE SW
48
5V
47
R107 2.2K
PLL CLK
47
0V
46
R106 2.2K
PLL DATA
46
5V
45
R105 2.2K
0V
PLL CE
45
44
BEEP
44
5V
5V
0V
CP5 1K
0V
43
M STOP
43
42
MC CLK
42
41
MC DATA
41
5V
40
0V
SC DATA
R104
R103
100K
IC1
47
L50
39
CH CLK
39
R102 47
38
DATA H
38
5V
37
R100 1K
DATA C
37
0V
R101
5.0V
100K
36
AVREF 1
5V
35
R99 1K
0V
M RST
35
5V
34
CP6 1K
0V
EX. AMP
33
AVSS
32
MUTE L
32
31
MUTE R
5V
30
0V
0V
N.C
R97 1K
29
IF MODE
29
0V
0 or 5V
W3
28
R94
S METER
0-4.4V
R114
C38
0-5V
R93 2.2K
27
NOISE(E)
27
W2
5V
5V
5V
0V
0V
C523 0.01
0V
5V
0V
26
R92 1K
SRM SW1
R14
PH1
100K
R13
1.6V
470
X2
R90
2.2K
5.0V
D17
D16
1
2
3
4
5
6
7
8
CN3
CAUTION: For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to parts list).
indicates safety critical components. For continued
protection against risk of fire, replace only with same type and rating fuse(s). 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.
Q
R
L8 52mH
C526
0.01
D33
A1
L7
1
L9
Q50
4.7uH
RF GND
R236
2
FM ANT
Q50,51
Q51
1K
R235
FM+B
3
22K
22K
AM ANT
SW
69
4
22K
L6
FM VCC
Q48,49
Q48
4.7uH
5
R234
AM VCC
AM+B
6
Q49
SW
AM LO/DX
1K
R233
7
22K
FM LO/DX
22K
68
22K
8
IF SELECT
9
9
RDS OUT
67
10
10
REQUEST
11
Q45
22K
K2IVTH
66
K2I WIDE/
NARROW SW
22K
12
VCO GND
13
62
FM SD
14
14
FSD OUT
15
12
FM DET OUT
R232
16
AM DET OUT
C148
10
/IF MODE OUT
0.027
L5
2.7K
4.7uH
17
COMMON +B
18
IF GND
C145
VR1
470P
100K
19
HI UP ADJ
20
45
PLL CE
21
46
PLL DATA
22
L4
47
PLL CLK
4.7uH
23
P-ON 5V
24
D GND
TUNER UNIT
R216
22
C132
C131
R217 10K
R219 10K
120P
470P
A
3.9V
7.9V
IC19
IC19
NOISE
3.9V
1
8
DETECTION
VDD
7
AMPLIFIER
3.9V
3.9V
3.9V
C133 6P
2
R222
2.7K
3
6
R221 82K
5
4
0V
GND
D31
R224
C138
C137
15K
82P
470P
1
2
C139
R226
R231
1000P
5.6K
5.6K
R227
10K
R229
C142
Q42
10K
8200P
Q42
Q44
10K
R230 2.2K
2
NOISE
Q43
BUFFER
1
NOISE
2
DETECTION
TIME
1
27
CONSTANT SW
64
RDS
5V
DECODER
0V
IC17
5V
MOTOR
0V
5V
DRIVER
1
16
0V
56
QUAL
RDCK
2
15
IC9
C121
57
RDDA
T57
7.8V
10P
14
2.4V
C119
OSC0
1
10
0V
VCC
NC
10u10
3
C120
VREF
2
9
+
13
10P
NC
OUT1
4.9V
4
OSC1
L3
MPX
3
8
2.4V
4.332MHz
4.7uH
59
IN1
NC
0V
5
12
OSEL
VCC
4
7
6
11
4.9V
58
IN2
OUT2
0V
GND
EXTRES
5
6
0V
S-GND P-GND
7
10
0V
0V
ARI
TM
8
9
0V
FILOUT
FSEL
KMD-PS971/X92(E/K) (1/2)
KMD-PS971R/X92
S
T
ANT
(X25-848x-xx)
IC1
: UPD784217GC106
WH1
IC2
: TDA7400
1
IC3
: M5237ML
IC4
: TDA7386
IC5
: TDA7401
2
IC6
: S-80830ANNP
IC7
:
BR24C01AF
IC8
: TC74HC02AF
IC9
:
LB1930M
IC11,15,16,18,19
: NJM4565M-TE2
IC14
: TC7662BEOA
IC17
: TDA7479D
249
IC20
:
LM2675M-ADJ
(E30-4802-05)
Q1,4
: 2SB1565(E,F)
Q2,11,14,16,18,20,28,
29,32,34-37,42,53,54
: 2SD601A
Q3,15,17,19,24,59
: 2SB709A
Q5,8,25,30,44,57
: KRA103S
Q6,9,33,45,49,51
: KRC103S
Q10,13
: 2SB1443
Q12,52,56
: KRC104S
Q21,23
: 2SB1277(Q,R)
Q22,26
: DTC114EK
Q38
: KRC107S
Q43
: UN2215
Q48,50
: 2SB1188(Q,R)
Q58
: DTA123JK
D1
: RM10ZLF
D2,11,12
: AM01Z
D3,8,19
: MA4056(N)-M
D5
: MA3220-H
D6
: HZM4.7N(B2)
D7
: MA4110(N)-M
D13,25-27,90,95
: KDS181
D16,17,49
: MA3062WA
D20
: MA4062(N)-M
D21,31,34
: KDS184
D22,44-48,94
: DA204K
D23,24,28,29
: RD6.8MW
D33
: SA-C2012-101TB
D35-43
: ISR154-400
D89
:
U1GWJ44
D92
:
MA3056-M
(X25-848x-xx)
MODEL
UNIT
A
B
Q45
D6
D35-42
NAME
No.
KMD-X92(K)
0-10
NO
YES
NO
NO
YES
KMD-PS971R(E)
2-71
YES
NO
YES
YES
NO
MODEL
C12,145
R15,17-19,27,60,62,
C38
NAME
149,521
93,97,115,237,553
KMD-X92(K)
NO
4700P
NO
KMD-PS971R(E)
YES
1000P
YES
MODEL
R61,
W1-3,
R94
R114
VR1
W4
5,6
NAME
63
KMD-X92(K)
YES
22K
160K
NO
YES
NO
KMD-PS971R(E)
NO
27K
120K
YES
NO
YES
MASK
MECHA
SIGNAL LINE
GND LINE
B LINE
3
4
5
B LINE
(X13-9780-10)
J1
4
15
S.GND
3
5
CN7
4
ANA 13
14
ANA
3
5
FLGND
12
13
FLGND
X13-
MC CLK
11
12
MC CLK
CN1
MC REQ
10
11
MC REQ
2/2
RST 9
10
RST
61
DATA I/C
8
9
DATA I/C
SC REQ
7
8
SC REQ
A
FAC
6
7
FAC
P RST
5
6
P RST
FAC
4
5
FAC
FL+B
3
4
FL+B
DGND
2
3
DGND
VDD
1
2
VDD
1
S.GND
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