Resistor values in the CPU battery corrosion area
R3, R43 and R49 are 5.6K; R4, R5 and R44 2.0K; R6, R45, R46, R48 and R54 3.0K; R7 62 ohm; R8 and R50 180 ohm; R9 1.0K; R34 to R41 4.7K; R47 24K. All are 1/4 W 5%.
Systems
Related tips
- Clean up battery corrosion on a System 80 CPU board
- Where the battery-area parts sit on the System 80 CPU board
- Clean battery corrosion before fitting new parts
- Remove the original DataSentry battery from every System 80 CPU board
- Fit a remote AA battery pack to a System 80 CPU board
- Parts typically ruined by battery leakage on a System 80 CPU board
- Using a memory back-up capacitor instead of a battery
- Battery or memory cap won't hold settings
Source: Gottlieb System 80 Battery Corrosion Repair Components Kit