Kenwood RD-C707-S Service Manual page 24

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AE
C-707I
3G
G
9G
10G
11G
12G
4a
Col4
3a
2a
Col5
2G
VOLTAGE
PIN
Q711
Q712-717
E
0V
0V
C
0.5V
0V
B
0V
0V
Q711 Q712 Q713 Q714
+3.3V
C735
0.1
C734
10u50
+
3.2V
V
3.3V
IC701
0V
3.2V
3.3V
5V
1.5V
3.2V
0V
3.2V
XL702
12MHz
24
DISPLAY (2/3), TACT SWITCH (1/2)
AF
13G
14G
15G
Col1
1a
Col2
Col3
+VF
+VP
RP721
10
Q715 Q716 Q717
+3.3V
+3.2V
R750 1K
50
DAP PLAY
50
R749 1K
49
0V
DAP PLAY PAUSE
49
R748 1K
48
MD ST
48
3.0V
R747 1K
47
MD PCNTO
47
0V
46
R746 47K 1/6W
FLASH CE
3.2V
R745 1K
45
45
MD DATA
0V
R744 1K
44
MD-K-DATA
44
3.2V
43
R743 1K
MD DSCK
43
0V
R742 1K
42
42
MD DSTB
R741 1K 1/6W
41
FLASH EPM
3.2V
40
R740 1K
MD RESET
40
0V
R739 1K
39
39
MD SEARCH
3.2V
R738 1K
38
FUNC CTRL
38
3.1V
R737 1K
37
HP MUTE
37
1.1V
R736 270 1/6W
36
36
USB TX
0V
R735 270 1/6W
35
USB RX
35
3.2V
R734 220
34
FLD CS/FLASH BUSY
34
R733 220
33
FLD SC/FLASH SCL
33
R732 220
32
FLASH RXD
32
0V
R731 220
31
FLD DATA/FLAXH TX
31
3.2V
3.1V
3.3V
3.3V
3.3V
+3.2V
+3.3V
+3.3V
AG
6.4V
49
P3
3.9V
50
P2
1.3V
51
P1
25.3V
52
+25.4V
53
1.4V
54
G15
1.4V
55
G14
1.4V
56
G13
1.4V
57
G12
1.4V
58
G11
1.5V
59
G10
1.5V
60
G9
1.5V
61
G8
1.6V
62
G7
1.7V
63
G6
1.4V
64
G5
+VP
+3.3V
+3.3V
+3.2V
+3.3V
RX701
RP704
100
1/6W
20
18
34
12
33
31
9
CNP707
CNS707
1
1
95
KEY1
93
2
2
POWER
94
3
3
KEY2
4
4
GND
AH
+VF
IC702
FL DRIVER
DISPLAY CODE RAM
BANK 1 : 8bit x 16
BANK 2 : 8bit x 64
SEG02
CODE
SEG01
WRITE
SEG00
CODE/
VCC2
SERIAL
DATA
COMMAND
DIG15/SEG39
RECEIVE
CONTROL
CIRCUIT
DIG14/SEG38
CIRCUIT
DIG13/SEG37
DIG12/SEG36
TIMING
DIG11
CLOCK
DIG10
CLOCK
DISPLAY
GENERATOR
CONTROLLER
DIG09
DIG08
DIG07
DIG06
DIG05
DIG04
RP716 3.3K
RP713 3.3K
RP715 3.3K
RP711 3.3K
+25.4V
+VP
D708
D709
0.6V
+3.3V
IC703
0V
Q702
3.2V
3.1V
0V
C706
4.7u50
+
3.3V
0V
0V
Q701
TACT SWITCH
RD01
1.8K
MD PLAY/PAUSE
or
BI707
TUNER BAND
1
KEY1
NC
2
POWER
3
SW701
4
KEY2
5
GND
RD06
RD07
1.8K
2.2K
SKIP DOWN
SKIP UP
SW707
SW708
POWER
SW711
AI
CGROM
(35bit x 160)
SE
OU
CIR
CGRAM
(35bit x 16)
DOT
DATA
WRITE
SEG
DIG
SEL
OU
CODE
CIR
SELECT
SCAN
PULSE
D
O
C
3.9
C727
82P
C729
0.1
C728
22u50
+
ZD702
2
IC705
(BOTTOM VIEW)
RP748
10K
8
1
11.4V
GND
EN
7
2
11.7V
GND
IN
6
3
3.9V
GND
OUT
5
4
2.5V
GND
BYP
RP747
10K
RD02
RD03
2.2K
3.3K
CD
USB
PLAY/PAUSE
PLAY/PAUSE
SW702
SW703
RD08
3.3K
VOL DOWN
VOL UP
SW709
SW710

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