Kenwood TS-990S Service Manual page 231

Pin No. Name I/O
CN466 (to Main display backlight)
Power supply for main display backlight
1 MDISPA O
anode
Power supply for main display backlight
2 MDISPK I
cathode
CN467 (to Main display)
1 VSS - Application GND
2 VSS - Application GND
3 DCLK O Dot clock for main display
4 VSS - Application GND
5 VSS - Application GND
6 R0 O Red data for main display
7 R1 O Red data for main display
8 R2 O Red data for main display
9 VSS - Application GND
10 R3 O Red data for main display
11 R4 O Red data for main display
12 R5 O Red data for main display
13 VSS - Application GND
14 G0 O Green data for main display
15 G1 O Green data for main display
16 G2 O Green data for main display
17 VSS - Application GND
18 G3 O Green data for main display
19 G4 O Green data for main display
20 G5 O Green data for main display
21 VSS - Application GND
22 B0 O Blue data for main display
23 B1 O Blue data for main display
24 B2 O Blue data for main display
25 VSS - Application GND
26 B3 O Blue data for main display
27 B4 O Blue data for main display
28 B5 O Blue data for main display
29 VSS - Application GND
30 VSS - Application GND
31 VSS - Application GND
32 DE O Data enable for main display
33 NC - No connection
34 VCC O Power supply for main display (3.3V)
35 VCC O Power supply for main display (3.3V)
36 VCC O Power supply for main display (3.3V)
37 VCC O Power supply for main display (3.3V)
38 NC - No connection
39 VSS - Application GND
40 VSS - Application GND
TERMINAL FUNCTION
Function Pin No. Name I/O
CN468 (to Digital unit CN652)
1 DCLK I Dot clock output for main display (Coaxial)
Display (F1-F7 KEY) unit (X54-3850-00 C/6)
Pin No. Name I/O
CN501 (to Display (MAIN PANEL) unit A/6 CN259)
1 LEDDIM I LED power supply
2 LMONI O MONI LED (D504)
3 LFBK O FBK LED (D503)
4 LPROC O PROC LED (D502)
5 LVOX O VOX LED (D501)
6 KEYO0 I Key scan output 0
7 KEYO1 I Key scan output 1
8 KEYO2 I Key scan output 2
9 KEYO3 I Key scan output 3
10 KEYO4 I Key scan output 4
11 KEYO5 I Key scan output 5
12 KEYO6 I Key scan output 6
13 KEYO7 I Key scan output 7
14 KI0 O Key scan input 0
15 KI3 O Key scan input 3
16 KI1 O Key scan input 1
Display (VOLUME) unit (X54-3850-00 D/6)
Pin No. Name I/O
CN502 (to Display (MAIN PANEL) unit A/6 CN267)
1 GND - GND
VCW-
2 O CWPITCH volume voltage
PCH
VCW-
3 O MONITOR volume voltage
MON
VC-
4 O KEYSPEED volume voltage
WSPD
VCW-
5 O DELAY volume voltage
DRY
6 VPWR O PWR volume voltage
7 VCAR O CAR volume voltage
8 VPROCI O PROCIN volume voltage
VPRO-
9 O PROCOUT volume voltage
CO
10 VMIC O MIC volume voltage
11 VVXGIN O VOXGAIN volume voltage
12 5D I 5.0V (DC/DC)
TS-990S
Function
Function
Function
231