Kenwood RXD-501 Service Manual page 29

BS BT
AUDIO UNIT
(X09-600X-XX) (A/8) : RXD-A5/RXD-501/RXD-501E/RXD-551E/RXD-501W/RXD-551W/RXD-551/RXD-571S
(X09-494X-XX) (A/8) : RXD-A8/RXD-701/RXD-701E/RXD-751E/RXD-701W/RXD-751W/RXD-751/RXD-771S
CN12
1
11.9V
+12v 1 +12V
L SIGNAL 2
A.GND 3
4
R SIGNAL
-12.0V
-12V 5 12V
CN21
1
JOG CW 2 ) 5 (
JOG CCW 3 ) (
6
ENC CW 4 ) 7 (
)
ENC CCW 5 8 (
0.3V
+5.6V 6 +5.6V
-34.0V
-30V 7 30V
D.GND 8
)
DRV CLK 9 12 (
IC19
DRV SI 10 ) 13 (
2
C119
(2/2)
10u16 0V
DRV SO 11 ) 14 (
+
DRV ST 12 ) 49 (
Lch
R150
RESET 13 ) 47 (
100
AC5.4V AUX
AC 14 ) 14 (
LEVEL
AC5.4V
AC ) (
15 15
J1
VR1
R1
Lch 1
1K
AUX IN
R2
Rch 2
1K
+
J5
3
0V
3
2
R5
Lch 1
1K
AUX OUT
R6
Rch 2
X05-
1K
CN1
3/8
CN11
W5
TU EMP 1 ) 46 (
E
)
PLL DO 2 43 (
4
PLL CE 3 ) 45 (
X05-
CN1 CLK 4 ) 28 (
DATA 5 ) 27 (
4/8
T.MUTE 6
-12V 7 12V
F
+12V 8 +12V
Lch OUT 9
X05- GND 10
CN1
Rch OUT 11
STEREO 12 ) 42 (
5/8
SD 13 ) 41 (
S.LEVEL 14
G
FM.DET 15
E15
Lch OUT 12
X04-
CN1
GND 11
5
Rch OUT 10
4/8
FM.DET 9
WH11 STEREO 8
J W4
Rch IN 7
GND 6
W3
X32-
Lch IN 5
CN6
+12V 4 +12V
-12.0V
1/8 -12V 3 12V 12V
MONO 2
A POLA/PILOT 1
CN13
X32-
11.9V
E1 BIAS +12V 1 +12V +12V
R21
BIAS GND 2
1/8 W269
470K
F3
B
800mA
6
MECHA +12V 3 +12V
250V
MECHA GND 4
X28- CN32 CN31 R323
L-PLAY 5
E1
1K
A.GND 6
R324
2/8 R-PLAY 7
1K
A.+12V 8 +12V
C L-REC 9
R-REC 10
11
D.GND
X28- D38
5.6V
CN5
+5V 12 +5.6V
2/8
D
1
CN15
7
BU BV
+12V
12V
+5.6V
30V
+12V
5 8 C139
+ 7 10u16
6
+
-
0V
11.9V
+12V +12V
IC1
INPUT
SELECTOR
R
L
Rch
IC19
(1/2)
C140
10u16
+ 1
- +
4
0V
-12V -12V
C128
0.1u50 1 3.2V
BIAS
+
C129
0.1u50 2
1.9V
VREF
+
R148 100K
3 3.2V
REFFERENCE CURRENT
18
4 GND
68Hz
PEAK HOLD
BPF
RES OUT 17
5
170Hz
BPF PEAK HOLD
16
RES
TEST
6
420Hz
BPF PEAK HOLD MPX
15
C
C130 RES
IN
0.1u50 3.2V 7
1kHz
DIF PEAK HOLD 14
+ BPF
RES
3.2V 8 IN
2.4kHz SEL 13
PEAK HOLD
BPF
RES
C 12
5.9kHz
PEAK HOLD
BPF
C131
RES
10u16 9 B 11
14.4kHz
VDD
PEAK HOLD
+ BPF
DEC
RES A 10
6.3V
+5.6V +5.6V
12V
+
R144
-1.1V
220K
C125 R143
R22 0.5V 10u16 220K
470K
+
Q27
+12V
5V AVR
11.9V
5.0V
R48
Q19
8.2
+12V +12V
1/4W
R69
CD
Q20
:5.6V 47 R70
4.7K
+
C98
CD:0V
47u16 R79 OTHER:0.7V
+
IC13 4.7K
9.0V
IN OUT
+12V
GND
9V AVR
2 3 4 5 6 7
B
BW BX
WH15
E8
1 2 3 4 5 6
+12V
12V
+5.6V
30V
R17 1K
R18 1K
+12V +12V +12V
0V
IC2 11.9V
C12
(1/2)
10u16 5 8 C18 0V
IC3
+ 10u16
+
C160 (1/2) R84 C72
6
+
- C78 8 12K 10u16
7 5
22P 10u16 7 +
R14 0V +
6
+
-
0V
0V
0V 0V
C77
R13 2
0V
10u16 1 - R83 C71
C159 3 12K 10u16
+ +
22P 2 C17 R99
IC3 +
C11 10u16 4
- 1
10u16 0V (2/2) 0V
3
+ +
IC2
+
4
(2/2)
-12.0V
-12V -12V
SEL A B C AOUT
0 X X X GND
1 0 0 0 GND
1 0 0 1 68Hz
1 0 1 0 170Hz
1 0 1 1 420Hz
1 1 0 0 1kHz
1 1 0 1 2.4kHz
1 1 1 0 5.9kHz
1 1 1
1 14.4kHz
IC9
SPECTRAM
ANALYZER
+5.6V
R231
100
) 82 (
R232
100
) 81 (
) 80 (
+5.6V
BY BZ
+12V
12V
+5.6V
R16
+
+
910
+
80
NC
79
NC
78
NC
77
(PORT)
76
(PORT)
75
(PORT)
74
(PORT)
73
+5V SRS
72
A. GND
5.9V
C32
10u16 71
+ V. REF2
C31
100u10 70
V. REF1
+
69
NC
5.9V
68
NC
67
NC
66
NC
65
NC
C33
10u16
+
+5.6V
+
+
12V
12.0V
12V
+12V +12V
CA CB
+ +
IC4
+
SRS
SURROUND
25
NC
26
NC
C64 R40
TONE OUT 27 5.9V 3.3u50 2.2K
5.9V
+
VOL. IN 28 5.9V C66 3.3u50
+
C68 3.3u50
VOL. OUT 29 5.9V
+
30
+12V +12V
R44 1.5K
31 5.3V
+5V
TONE
32 0V R41 1K
CLK
R42 1K
33 0V
DATA
34 0V R43
ST
1K
35
D. GND
VOL. OUT 5.9V C67 3.3u50
36
+
VOL. IN 37 5.9V C65 3.3u50
+
TONE OUT 38 5.9V C63 3.3u50 R39
5.9V
+
39 2.2K
5.1V
SW. OUT 40
C61
3.3u50
+
5.9V
C57
2200P
5.9V
+
+
+
+
+12V
B
11.9V
C29 0.39
IC17
R88 0V
IC17
(1/2)
18K 0V 5 R90
8 (2/2)
+ 27K 3
+
6 + 1
- 7
2
-
4 0V
0V
R60
R62 0V
C9 R29
24K
4.7K R61 8 2.2u50 33K
6 0V
2 4.7K 7 -
+
0V 1 - 5
+
3
+ 0V IC16
R30
IC16
(2/2) 33K
4
(1/2)
R28
33K
+12V