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SW_HEATER_F+
82
GND
OUT Vcc
1
2
3
U6302
LSSZ0007
(IR RECEIVER UNIT)
R6303
47
C6307
100/6.3V
SW6319
EVQ11A09K
VCR/DVD_POWER
R6310
SW6320
1800
EVQ11A09K
VCR_PLAY
VCR_CH UP
R6311
SW6321
3900
EVQ11A09K
VCR_STOP/EJECT
R6312
SW6322
12K
EVQ11A09K
VCR_REC/TIME
35
NOTE:
For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
TO MVI
I/O CHART OF IC6303
Pin No. I/O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
PV-D4734S / PV-D4744 / PV-D4744S / PV-D4754S / PV-D4734S-K / PV-D4744S-K / PV-D4754S-K
Signal Name
Description
O
DGT13/SEG14
Digit 13/Segment 14
-
DGT12/SEG15
(Not used)
-
DGT11
(Not used)
O
DGT10
Digit 10
O
DGT9
Digit 9
O
DGT8
Digit 8
O
DGT7
Digit 7
O
DGT6
Digit 6
O
DGT5
Digit 5
O
DGT4
Digit 4
-
NC
(Not used)
O
DGT3
Digit 3
O
DGT2
Digit 2
O
DGT1
Digit 1
O
DGT0
Digit 0
I
VPP
-30V
-
NC
(Not used)
I
VDD
+5V
I
OSC1
X In
O
OSC2
X Out
-
VSS
Ground
I
NCS
IC6303 cs(L)
I
SCK
Serial clock 1
I
SDI
Serial data 1
-
SDO
(Not used)
-
KEY IN0
(Not used)
-
KEY IN1
(Not used)
-
KEY IN2
(Not used)
-
KEY IN3
(Not used)
-
KEY IN4
(Not used)
O
SEG0
Segment 0
O
SEG1
Segment 1
O
SEG2
Segment 2
O
SEG3
Segment 3
O
SEG4
Segment 4
O
SEG5
Segment 5
O
SEG6
Segment 6
O
SEG7
Segment 7
O
SEG8
Segment 8
O
SEG9
Segment 9
O
SEG10
Segment 10
O
SEG11
Segment 11
O
DGT15/SEG12
Digit 15/Segment 12
O
DGT14/SEG13
Digit 14/Segment 13
MAIN III (OPERATION) SCHEMATIC DIAGRAM
COMPARISON CHART OF
MODELS & MARKS
MODEL
MARK
PV-D4734S
A
PV-D4744
B
PV-D4744S
C
PV-D4754S
D
PV-D4734S-K
E
PV-D4744S-K
F
PV-D4754S-K
G
Not Used
PT
LINK TO VOLTAGE CHART
LSJB2154
PV-D4754S/PV-D4754S-K
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