V
SS
SBY
IC2
1
3
5
7
9
11
DB4
DB6
IC1
2
4
6
8
10
12
V
DD
RS
E
DB5
DB7
LAMP
1
12
6
LCD1 BOARD
MAIN BOARD
DISPLAY
SCREEN
PSG/10447/1
RPR 550IS Series
TM1188 Issue 1
Page 5 - 21
Figure 6: Display Connections Between LCD and Main Board
Table 6: Display Connections
PIN
IC3
LCD1
REMARKS
1
1
V
SS
0V
2
10
3
SBY
3
5
IC-2 ON icon oscillator (from TR18)
4
16
7
DB4
5
14
9
DB6
6
11
IC-1 ON icon oscillator (from TR18)
7
2
V
DD
4.75V nominal
8
42
4
RS
9
43
6
E
10
15
8
DB5
11
13
10
DB7
12
12
Not connected
Summary of Contents for RPR 551IS
Page 10: ...RPR 550IS Series TM1188 Issue 1 AL2 Oct 98 Page viii INTENTIONALLY BLANK...
Page 20: ...RPR 550IS Series TM1188 Issue 1 Page 1 10 INTENTIONALLY BLANK...
Page 36: ...RPR 550IS Series TM1188 Issue 1 Page 2 16 INTENTIONALLY BLANK...
Page 70: ...RPR 550IS Series Page 4 2 TM1188 Issue 1 INTENTIONALLY BLANK...
Page 77: ...PSG 10444 1 RPR 550IS Series TM1188 Issue 1 Page 5 7 Figure 2 Case Removal...
Page 125: ...TM1188 Issue 1 AL2 Oct 98 Figure 4 RPR 552IS Radio Board Circuit Diagram Page 7 9 10...
Page 126: ...TM1188 Issue 1 AL2 Oct 98 Figure 10 RPR 550IS Main Board Circuit Diagram Radio Page 7 21 22...
Page 127: ...TM1188 Issue 1 AL2 Oct 98 Figure 11 RPR 550IS Main Board Circuit Diagram Radio Page 7 23 24...