Tektronix H600 RFHawk, Service Manual

Page: 78 / 109

Troubleshooting
Table 4-11: PS/2 keyboard connector J700
Pin Signal name Signal information
1 DATA
2
NC
3
GND
4 +5 V
5 CLK
6 NC
Table 4-12: Headphone connector J300
Pin Signal name
1
GND
2 SPKR
3 SPRR
4 HS
5 -HS
6 NC
7 NC
Table 4-13: TFT color display connector J660
Pin Signal name Signal information
1
GND
2 DOT CLK +3 V, 4.8 MHz
3 HSYNC 1 ms pulse, +3 V over 38 μ s
4 VSYNC 1 ms pulse every 8 ms
5 GND
6 GND
7 GND
8 GND
9 RED-3 +3 V data, mostly high
10 RED-4 +3 V data, mostly high
11 RED-5 +3 V data, mostly high
12
GND
13 GND
14 GND
15 GND
16 GRN-3 +3 V data
17 GRN-4 +3 V data
18 GRN-5 +3 V data
4–20 H600 & SA2600 Service Manual