Panasonic WJFS616 - SWITCHER, Service Manual

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13
Pin Name I/O Description
37 P23/DB3 I/O
38 P22/DB2 I/O
39 P21/DB1 I/O
41 P15/AD15 O
40 P20/DB0 I/O
42 P14/AD14 O
43 P13/AD13 O
44 P12/AD12 O
45 P11/AD11 O
46 P10/AD10 O
47 P09/AD9 O
48 P08/AD8 O
49 P07/AD7 O
50 P06/AD6 O
51 P05/AD5 O
52 P04/AD4 O
53 P03/AD3 O
54 P02/AD2 O
Data Bus terminals. (8-Bit)
Address signal output terminals.
(16-Bit)
55 P01/AD1 O
56 P00/AD0 O
57 P37/ RD O Read signal output terminal.
58 P36/ WR O Write signal output terminal.
59 P35/SYNC I/O Not used.
60 P34/
φ
O P34/
φ
signal output terminal.
61 P33/ I/O Not used.
RESETOUT
62 P32/ONW I ONW signal input terminal.
63 P31 I/O Not used.
64 P30 I/O Not used.
65 P87 O
66 P86 O
67 P85 O
68 P84 O
69 P83 O
70 P82 O
71 P81 O
72 P80 O
FS Select signal output terminals.
73 Vcc – Power supply terminal.
74 VREF I Reference voltage supply terminal.
75 AVss – Ground terminal.
76 P67/AN7 I SW2 signal input terminal.
77 P66/AN6 O Preset signal output terminal.
80 P63/AN3 O EEPROM Chip Select signal output
terminal.
78 P65/AN5 O OSD Chip Select signal output
terminal.
79 P64/AN4 O OSD Serial Clock Pulse output
terminal.
(TOP VIEW)
AD0 1
AD1 2
AD2 3
AD3 4
AD4 5
AD5 6
AD6 7
AD7 8
AC 9
V
DD
1 10
Vss 11
CVIDEO 12
LECHA 13
LEBK 14 19 V
DD
2
20 LP2
21 OSCOUT
22 OSCIN
23 TESTB
24 P0
25 P1
26 P2
27 P3
28 P4
29 P5
30 TESTA
31 SCK
32 CS
Pin Name I/O Description
1 AD0 I
2 AD1 I
3 AD2 I
4 AD3 I
5 AD4 I
6 AD5 I
7 AD6 I
8 AD7 I
9 AC I Reset Pulse input terminal.
10 V
DD
1 – Power supply terminal.
11 Vss – Ground terminal.
12 CVIDEO O Video signal output terminal.
13 LECHA I LECHA aignal input terminal.
14 LEBK I LEBK signal input terminal.
15 CVIN I Vertical Sync signal input terminal.
16 HOR I Horizontal Sync signal input terminal.
17 VREF I Reference Voltage supply terminal.
18 LP1 I Line Pulse 1 input terminal.
21 OSCOUT O
24 P0 O
On Screen Data input terminals. (8-Bit)
Port Data output terminals. (6-Bit)
CVIN 15
HOR 16 17 VREF
18 LP1
19 V
DD
1 – Power supply terminal.
20 LP2 I Line Pulse 2 input terminal.
22 OSCIN I
Crystal Oscillator Connecting
terminals.
23 TESTB I Test signal input terminal.
25 P1 O
26 P2 O
27 P3 O
28 P4 O
29 P5 O
30 TESTA I Test signal input terminal.
31 SCK I Serial Clock Pulse input terminal.
32 CS I Chip Select signal input terminal.
1.2.
IC69 on the Switch Board is using the On Screen
Display IC YWM35060058.
Description of this IC is as follows: