Kenwood KRC-791/Y Service Manual page 17

Cassette receiver
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X
Y
(X16-1540-XX)
ED1
J1
0V
S.GND
10.7V
ILL+B
1
+10.7V
0V
Q5
ILLUM G
2
AVR
CP1
470
100
R12
L CLK
3
99
750
L CE
4
98
Q5
S3
RST
X16-
118
RESET
5
J1
L DATAS
6
1/2
L DATAL
7
97
DIMMER
8
DI
A
R10
NC
9
1K
1
4
REMO
10
OUT
GND2
5.0V
0V
NC
11
2
3
GND1
VCC
0V
D GND
12
IC2
Q6
REMOTE
10K
SENSOR IC
10K
Q6
REMO
SW
R11
4.7
VDD
13
+5V
0V
5.0V
S.GND
Z
AA
+10.7V
KEY SCAN
SW
CP3
1K
Q1
CP2
76
1K
KS6
77
KI1
KI1
78
KI2
KI2
79
KI3
KI3
80
KI4
KI4
R13
81
KI5
KI5
1K
82
5V
REMO
0V
83
83
RED
84
84
GREEN
85
KEY
86
+5V
VDD
5.0V
87
+B
VLCD
8.5V
88
VLCD0
6.8V
C4 0.1
89
VLCD1
5.1V
C3 0.1
90
LCD DRIVER
VLCD2
3.4V
C2 0.1
91
VLCD3
1.7V
92
VLCD4
0V
93
VSS
94
C1 680P
TEST
R1 43K
95
OSC
5.0V
96
+5V
INH
97
97
DO
98
98
CE
99
99
CL
100
100
DI
AB
AC
(X16-154X-XX)
UNIT
MODEL NAME
No.
KRC-535 (K)
0-11
MA3091-M
KRC-791Y (E2)
KRC-865 (M)
0-12
MA3082-M B38-1088-05
KRC-791 (E)
2-72
MA3091-M
+10.7V
50
S50
S50
49
S49
S49
48
S48
S48
47
S47
S47
46
S46
S46
45
S45
S45
44
S44
S44
43
S43
S43
42
S42
S42
41
S41
S41
40
S40
S40
IC1
39
S39
S39
38
S38
S38
37
S37
S37
36
S36
S36
35
S35
S35
34
S34
S34
33
S33
S33
32
S32
S32
31
S31
S31
30
S30
S30
29
S29
S29
28
S28
S28
27
S27
S27
26
S26
S26
AD
AE
IC1
: LC75808W
D1-4
:
B30-1632-05
IC2
: RS-171
D5-22 :
B30-1605-05
D26
ED1
D23-25 :
B30-1564-05
Q1,6
: DTA114EUA or
B38-1086-05
KRA302
Q3-5
: 2SC4081
B38-1086-05
Q7
:
+B
+10.7V
D7
D6
D5
RED LED SW
R15
Q3
10K
83
D10
D9
D8
D13
D12
D11
GREEN
LED SW
D18
D15
D14
R16
Q4
10K
84
D21
D20
D17
D22
D16
DIMMER SW
D3
R25 1.2K
+10.7V
R29 1.2K
C9 0.01
Q7
4.7K
D2
D1
47K
C11 0.01
C12 0.01
KI1
VOL+
1
SRC
OPEN
S1
S6
S21
S22
S28
KI2
VOL-
2
S2
S7
S26
KI3
3
ATT
AM
S4
S5
S8
S16
S17
S23
KI4
4
5
FM
S9
S10
S14
S15
S19
KI5
6
TI
EJECT
S11
S12
S18
KRC-791/Y
AF
1
GND LINE
B LINE
R17
330
2
R18
330
R19
330
R20
330
3
R21
330
R22
510
D23
4
C13 0.01
DISP
S13
5
S25
AUD
S24
S20
6
CLK
S27
7

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