Kenwood TS-990S Service Manual page 232

TS-990S
Display (AF/RF) unit (X54-3850-00 E/6)
Pin No. Name I/O
CN503 (to Display (MAIN PANEL) unit A/6 CN262)
1 5D I
2 VMRF O
3 VMAF O
4 GND -
5 VMRF O
6 VMAF O
Display (SUB LCD) unit (X54-3850-00 F/6)
Pin No. Name I/O
CN504 (to Sub display)
1 VSS -
2 POL I
3 SDO I
4 RESB O
5 CSB O
6 SCK O
7 SDI O
8 BB0 O
9 BB1 O
10 BB2 O
11 BB3 O
12 BB4 O
13 BB5 O
14 BB6 O
15 BB7 O
16 GG0 O
17 GG1 O
18 GG2 O
19 GG3 O
20 GG4 O
21 GG5 O
22 GG6 O
23 GG7 O
24 RR0 O
25 RR1 O
26 RR2 O
27 RR3 O
28 RR4 O
29 RR5 O
30 RR6 O
31 RR7 O
232
TERMINAL FUNCTION
Function
5.0V (DC/DC)
Main RF volume voltage
Main AF volume voltage
GND
Sub RF volume voltage
Sub AF volume voltage
Function
Application GND
Polarity signal to monitor VCOM signal
Data output in serial mode
System reset for sub display for sub dis-
play
Chip serect of serial interface for sub
display
Clock of serial interface for sub display
Data input in serial mode for sub display
Blue data for sub display
Blue data for sub display
Blue data for sub display
Blue data for sub display
Blue data for sub display
Blue data for sub display
Blue data for sub display
Blue data for sub display
Green data for sub display
Green data for sub display
Green data for sub display
Green data for sub display
Green data for sub display
Green data for sub display
Green data for sub display
Green data for sub display
Red data for sub display
Red data for sub display
Red data for sub display
Red data for sub display
Red data for sub display
Red data for sub display
Red data for sub display
Red data for sub display
Pin No. Name I/O
32 DEN O Data enable for sub display
33 HSYNC O Horizontal SYNC signal for sub display
34 VSYNC O Vertical SYNC signal for sub display
35 DOTCLK O Dot clock for sub display
Select gate driver scan direction for sub
36 TB O
display
Select the display reversion for sub dis-
37 REV O
play
Select the source driver data shift direc-
38 RL O
tion for sub display
39 BGR O Select the color mapping for sub display
40 SEL0 O Select interface mode for sub display
41 SEL1 O Select interface mode for sub display
42 SEL2 O Select interface mode for sub display
Enable internal charge punp circuit for
43 CPE O
sub display
Controll the polarity of POL signal for sub
44 PINV O
display
Power supply for analog circuits for sub
45 VCI O
display
Voltage input pin for I/O logic for sub
46 VDDIO O
display
47 NC - No connection
48 NC - No connection
Power supply for sub display backlight
49 SDISPK I
cathode
Power supply for sub display backlight
50 SDISPA O
anode
CN587 (to Display (MAIN LCD BACK) unit B/6 CN303)
1 VSS - Application GND
2 RESB I System reset for sub display
Chip serect of serial interface for sub
3 CSB I
display
4 SCK I Clock of serial interface for sub display
5 SDI I Data input in serial mode for sub display
6 BB0 I Blue data for sub display
7 BB1 I Blue data for sub display
8 BB2 I Blue data for sub display
9 BB3 I Blue data for sub display
10 BB4 I Blue data for sub display
11 BB5 I Blue data for sub display
12 BB6 I Blue data for sub display
13 BB7 I Blue data for sub display
14 GG0 I Green data for sub display
15 GG1 I Green data for sub display
16 GG2 I Green data for sub display
17 GG3 I Green data for sub display
18 GG4 I Green data for sub display
19 GG5 I Green data for sub display
Function