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O
P
Q Q
3 7 6 3 1 5 1 5 0
+5V
+5V
5V
5V
0V
R315
0V
4.7K
24
25
4.4V
0V
26
26
CH MUTE
5V
5V
27
0V
27
CH CON
0V
5V
5V
28
C252
0V
28
CH REQH
0V
47u6.3
29
+
29
CH RST
5V
0V
30
EXT AMP CONT
5V
31
5V
0V
31
RESET
0V
C301
32
XT1
22P
C302
33
XT2
IC1
27P
C303 1
34
REGC
0V or 3.25V
SYSTEM u-COM
X1 20MHz
35
X2
36
X1
0V
37
VSS
5.0V
38
+5V
VDD
39
CLK OUT
40
CP2 4.7K
NC
5V
41
MOTOR
0V
42
42
MODE 3
0V or 5.0V
43
43
MODE 1
44
44
MODE 2
CP3 1K
45
5V
NC
46
0V
T E
46
SUB MOTOR 1
L
1 3 9 4 2 2 9 6 5 1 3
47
47
SUB MOTOR 2
0V or 5.0V
48
5V
48
SUB MOTOR 3
0V
49
49
CAS/SRM
50
NC
52
5.0V
+5V
RST
C256
W104
10
RST
D82
IC15
0 or 5.0V
1
4
OUT
GND
5.0V
2
3
+5V
IN
NC
0V
+5V
ILL +B
C191
R194
C190
0.01
470
10u16
+
R193
100K
1
2
3
4
5
6
7
8
9
10
11
12
13
CN3
w w w
.
1
Q
R
R307
C307
2.2M
0.01
5V
0V
2
R347
100
R344
NC
1M
470
5V
99
MC CLK/L CLK
99
5V
0V
98
0V
MC DATA/L DATAS
98
5V
W102
1
0V
97
SC DATA/L DATAL
R83
5V
0V
100K
L10
R364
96
CH CLK
96
47
95
CH DATA H
95
94
CH DATA C
94
93
BU DET
93
CP9 4.7K
5V
92
0V
MTL
92
5V
91
0V
EQ MUTE
91
90
NC
5V
R361 1K
SC REQ/KEY REQ
89
89
0V
88
CH REQ C
88
87
R341 100K
R CLK
5V
86
R339 10K
0V
DOLBY
86
CP8 2.2K
5V
85
PACK DET
85
0V
84
0V or 5.0V
MUSIC
84
5V
83
R338 1K
0V
IFC OUT
R337
82
100K
R QUAL
81
R336
R DATA
100K
5V
0V
5.0V
R335
2.2K
80
0V-4.0V
S METER
5V
0V
5V
R333
0V
0V or 5.0V
79
0V-4.8V
1K
NOISE
79
78
0V
SRM DET
78
77
NC
76
F REEL
5V
0.6V
75
76
+5V
ILL +B
+8V
(X14-6440-XX)
UNIT
MODEL NAME
R323
R324
No.
KRC-535 (K)
0-12
NO
YES
KRC-865 (M)
0-22
YES
NO
x
a o
y
i
S
T
8
WH1
1
L1
ANT
52mH
2
A1
1
RF GND
D2
2
FM ANT
3
AM ANT
4
L3
OSC GND
R166
Q89
4.7uH
5
1K
+8V
+8V
FM + B
C154
Q87
R168
100u10
6
22K
AM + B
22K
+8V
+8V
FM +B
+
7
OSC GND
SW
8
22K
OSC GND
Q88
9
R165
W/N
1K
+8V
10
OSC GND
Q86
11
VT
22K
R167
22K
L5
AM +B
12
+8V
+8V
PLL + B
22K
SW
4.7uH
13
IFC OUT
14
4
SDA
+5V
15
5
SCL
W106
16
DIG GND
IFC OUT
BUFFER
L6 4.7uH
17
+5V
VDD 5V
Q85
47K
18
47K
NOISE OUT
19
RDS OUT
20
AUDIO OUT
10
21
AM IF OUT
22
13
S METER
L7
23
+8V
+8V
IF1 + B
4.7uH
24
IF1 GND
MASK MECHA
CN2
SUB
SUB +
10
7
7
7
M
SW 1
63
6
6
6
SW 3
66
5
5
5
Q
Q
GND
4
4
4
3
7
6
3
SRM DET
78
3
3
3
SW 2
67
2
2
2
SUB -
3
1
1
1
+5V
Q45
PANEL
5V SW
47K
Q46
(X16-1180-10)
CN1
47K
J1
13
VDD
S.GND
12
D GMD
VDD
VDD
13
13
11
NC
D GND
12
12
D GND
R377 1K
10
10
REMO
11
11
N.C.
N.C.
PAN RESET
9
REMO
REMO
10
10
R375 1K
DIMMER
17
8
PAN RESET
9
9
PAN RESET
CONT
R374 470
DIMMER
8
8
DIMMER
89
7
L-DATAL
R373 470
L-DATAL
L-DATAL
7
7
98
6
L-DATAS
L-DATAS
6
6
L-DATAS
R372 1K
RST
5
RESET
RESET
5
5
RESET
R371 1K
L-CE
L-CE
L-CE
4
4
65
4
R370 470
L CLK
3
3
L CLK
99
3
L CLK
ILL GND
2
2
ILL GND
2
ILL GND
ILL +B
ILL +B
1
1
ILL +B
1
ILL +B
S.GND
SIGNAL LINE
+B
B LINE
u 1 6 3
.
U
V
2
4
9
9
8
BA6238A
DAN202K
10
1
DAP202K
TC74HC02AF
2
1
3
2SB1548
DTA123JK
DTA124EK
DTC114YK
DTC124EK
DTC143TK
DTC143ZK
DTC144EK
2SB1277
KRC103S
2SB1443
UN5213
2SA1576A
2SB1218A
2SB709A
2SC2412K
B
2SA1037K
1
5
1
5
0
8
9
2
4
E
2SC4081
C
2SB1188
E
C
B
DTA114EUA
DTC144EUA
2SB1184
KRC104S
UMC2N
X16-
M5237ML
J1
2/2
A
1
2
3
m
c o
KRC-535/865
W
2
9
9
A1
A2
K
8
14
7
1
9
8
2
9
9
C
E
B
OUT
IN
GND
4
5
3
1
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