Kenwood TS-990S Service Manual page 229

Pin No. Name I/O
6 NC - No connection
7 5D I 5.0V (DC/DC)
8 NC - No connection
9 GND - GND
Backlight driver IC SYNC signal for sub
10 SLSYNC I
display
11 GND - GND
12 SLPWM I Sub display backlight PWM control
13 GND - GND
Display backlight enable from main mi-
14 MBLEN I
crocomputer
15 NC - No connection
Display backlight enable from panel
16 PBLEN I
microcomputer
17 GND - GND
Backlight driver IC SYNC signal for main
18 MLSYNC I
display
19 GND - GND
20 MLPWM I Main display backlight PWM control
21 GND - GND
22 TPPUON I Touch panel SW PULL UP ON
23 TPPRES I Touch panel SW PRESS
24 Y2 I Touch panel SW Y2
25 Y1 I Touch panel SW Y1
26 X2 I Touch panel SW X2
27 X1 I Touch panel SW X1
28 NC - No connection
29 PA_X- O Touch panel detection X-
30 PA_Y- O Touch panel detection Y-
31 PA_X+ O Touch panel detection X+
32 PA_Y+ O Touch panel detection Y+
CN303 (to Display (SUB LCD) unit F/6 CN587)
1 NC - No connection
Power supply for sub display backlight
2 SDISPA O
anode
3 NC - No connection
Power supply for sub display backlight
4 SDISPK I
cathode
5 NC - No connection
6 VCC O Power supply for sub display (3.3V)
7 NC - No connection
8 DOTCLK O Dot clock for sub display
9 VSYNC O Vertical SYNC signal
10 HSYNC O Horizontal SYNC signal
11 DEN O Data enable for sub display
12 RR7 O Red data for sub display
13 RR6 O Red data for sub display
TERMINAL FUNCTION
Function Pin No. Name I/O
14 RR5 O Red data for sub display
15 RR4 O Red data for sub display
16 RR3 O Red data for sub display
17 RR2 O Red data for sub display
18 RR1 O Red data for sub display
19 RR0 O Red data for sub display
20 GG7 O Green data for sub display
21 GG6 O Green data for sub display
22 GG5 O Green data for sub display
23 GG4 O Green data for sub display
24 GG3 O Green data for sub display
25 GG2 O Green data for sub display
26 GG1 O Green data for sub display
27 GG0 O Green data for sub display
28 BB7 O Blue data for sub display
29 BB6 O Blue data for sub display
30 BB5 O Blue data for sub display
31 BB4 O Blue data for sub display
32 BB3 O Blue data for sub display
33 BB2 O Blue data for sub display
34 BB1 O Blue data for sub display
35 BB0 O Blue data for sub display
36 SDI O Data input in serial mode for sub display
37 SCK O Clock of serial interface for sub display
Chip serect of serial interface for sub
38 CSB O
display
39 RESB O System reset for sub display
40 VSS - Application GND
CN405 (to Digital unit CN225)
VCC
1 - Power supply for sub display (3.3V)
(33B)
2 NC O No connection
3 VSS - Application GND
4 DOTCLK I Dot clock for sub display
5 VSS - Application GND
6 VSYNC I Vertical SYNC signal for sub display
7 HSYNC I Horizontal SYNC signal for sub display
8 DEN I Data enable for sub display
9 VSS - Application GND
10 RR7 I Red data for sub display
11 RR6 I Red data for sub display
12 VSS - Application GND
13 RR5 I Red data for sub display
14 RR4 I Red data for sub display
15 VSS - Application GND
16 RR3 I Red data for sub display
TS-990S
Function
229