Radio Shack TRS-80 - Page 64

GARBAGE ON SCREEN
AT POWER ON f---------,~
1
DISASSEMBLE UNIT
CONNECT VIDEO AND POWEr
DIN PLUGS
PRESS ON POWER SWITCH
2
4
INTERCONNECT CABLE
SOLDER BALL SHORT
15
11
14
TURN OFF POWER
5
WAIT 10 SECONDS
TURN ON POWER
7
6
YES
TURN OFF POWER
S
REMOVE DIP SHUNT
AT 271. TURN ON
POWER
10
9
16
TURN OFF POWER
REMOVE ROMS
TURN ON POWER
17
1S
19
SCREEN
SHOWS
SOME@9's
FIGURE 16. Section Isolation Flowchart
63