Sanyo CDF-R800 Service Manual page 10

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CIRCUIT OPERATION DESCRIPTION
LC72338-9330
PIN
1
DESCRIPTION
4.5MH2 Crystal oscilator connection
LSI TEST2 Terminal(GND)
TERMINAL NAME
XIN
TEST2 2
3 SUB-Q data Terminal '
Command output Terminal
Serial clock output Terminal
SUB-Q Sianal inrxrt
SQOUT
COIN
CQCK
WRQ
4
5
6
7
8
9
10
0 I
PC3
Loading M-otor Control output
LM+
LM-
PLANGER
KS4
Planger output
Key return output
PB3
PB2
PB1
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
KS3
KS2
KSI
KSO
D3
D2
D1
DO
Key return input
PA2
PAI
I
u'
*
LOADING F.
RWC
BUSIN
DRF
Loading Finish(Clamp)input
Data output Latch Terminal
CD charmer control BUS irmut for interrurX function
I I
PKO/lNTO
Focus lock signal input
Output Terminal for power AMP control
FEED MOTOR control output (outside)
FEED MOTOR control output (inside)
LO/DX Select output Terminal
DISC loading start,8cmDlSC loading completion Detect Signal input
12cmDlSC loading completion Signal input
12cmDlSC Eject completion Signal input
pOWER ANT COntrOi
OUtDUt
STBY
FEM+
FEM-
LO/DX
SENSOR A
SENSOR B
SENSOR C
P ANT
o
S291PM0
=+==
I S281PM3
I S271PM2
I S261PM1
o
S251PM0
–1
VDD
VDD
SENSOR D
VDD
32
33
34
35
36
37
38
39
40
I
55
56
57
58
59
60
61
62
63
64
I
I
PF3/Sl 1 DISC loading completion Detect Signal input
VR control data output
VR control clock outcwt
I
Q
PF2/SOl
o
PF1/SCKl
o PFOIS21
o
S201PE31S
VR DO
VR CL
VR CE
VR chiD enable control outmrt
S20
S19
S18
S17
S16
I
LCD Driver segment output
S191PE21S
s18/PEl/s
S171PE0
S16
I
S1
COM3
COM2
S1
COM3
o
LCD Driver common output
COM2
a=
COMI
—
VDD2
—
VDD1
o PJ31DAC3
o PJ21DAC2
o PJ1/DACl
o PJOIDACO
I PH31AD13
I
PH2/AD12
COM1
VDD2
VDD1
MUTE
CD+B
VDD2 for LCD
VDD1 for LCD
Audio Mute output
VDD for CD Block
FM+B
FM Band Select outDut
BUSOUT
INSIDE
Changer control Bus
Pickup innermost position detect Terminal
Temperature Abnormality Detect Terminal
Radio stereo Broadcast Sianal incmt
65
66
67
68
TEMP
STIN
S*M
Field strength Signal input
–9–