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Sanyo CWM-460 Service Manual page 13

Cd portable radio cassette recorder
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IC BLOCK DIAGRAM & DESCRIPTION
IC402 LC723369557 (LCD Driver)
MICOM NAME
PIN NO.
XIN
1
TEST2
2
PG3(S10)
3
PG2(SO0)
4
PG1(SCLK0)
5
PG0
6
PC3
7
PC2
8
PC1
9
PC0
10
PB3
11
PB2
12
PB1
13
PB0
14
PA3
15
PA2
16
PA1
17
PA0
18
PK3
19
PK2
20
PK1
21
PK0(INT0)
22
PN3
23
PN2
24
PN1
25
PN0
26
PM3
27
PM2
28
PM1
29
PM0
30
VDD
31
PE3
36
PE2
37
PE1(S18)
38
PE0(S17)
39
S21~S24
32~35
S1~S16
40~55
COM3
56
COM2
57
COM1
58
Vdd2
59
Vdd1
60
PJ3
61
PJ2
62
PJ1
63
PJ0
64
AD0
65
AD1
66
AD2
67
AD3
68
HOLD
69
RCTR
70
LCTR
71
SNS
72
VDD
73
FMOSC
74
AMOSC
75
VSS
76
EO1
77
EO2
78
TEST1
79
XOUT
80
I/O
NAME
I
I
I
CD IDATA
O
CD ODATA
O
CD CLOCK
O
RWC
O
CD RESET
O
Non Connection
O
Non Connection
O
Non Connection
O
Non Connection
O
BASS BOOST
O
Non Connection
O
Non Connection
KEY IN
I
I
KEY IN
I
WRQ
I
DRF
I
JOG VR2
I
JOG VR1
I
PICK-INSIDE
I
REMOCON Input
O
B2
O
B1
O
MUTE
O
MONO
I/O
F1
I/O
F2
I
STIN
I
SYNC REC
-
POWER
I
SD
I
Non Connection
O
SEGMENT Output
O
SEGMENT Output
O
SEGMENT Output
O
SEGMENT Output
O
O
O
I
I
O
Non Connection
O
VOL CE
O
VOL DATA
O
VOL CLOCK
I
AD KEY:AD0
I
AD KEY:AD1
I
AD KEY:AD2
I
AD KEY:AD3
I
HOLD
I
FMIF
I
AMIF
Non Connection
I
-
POWER
O
O
-
O
O
Non Connection
-
O
FUNCTION
Connection terminal of crystal oscillation (4.5MHz)
GND.
CD MECA Communcation Line
DSP,ASP Control
RWC Output
CD DSP RESET Output
BASS BOOST Control Output
TRNSISTOR/DIODE SW SOURCE Input
TRNSISTOR/DIODE SW SOURCE Input
WRQ Input
DRF Input(H-DL CHATTERING TIME 50MS)
JOG VR Input(CHATTERING TIME 3MS)
Phase Input
PICK-INSIDE Input
REMOCON Input
BAND Output
AUDIO MUTE Output
Compalsion MONO Output
FUNCTION Input/Output(CHATTERING TIME 40MS)
STEREO Input(CHATTERING TIME 40MS)
SYNC REC Input(CHATTERING TIME 40MS)
Power supply
SD Input
Display SEGMENT Output
VOL IC Control Output
Operating KEY Input
Destination Input
BASS-X LID SW Input(CHATTERING TIME 40MS)
BACK UP MODE Control Outpu
Power supply
Ground
Ground
Connection terminal of crystal oscillation (4.5MHz)
- 12 -

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