1 Preset
2 ROM
4 Main DRAM
5 DSP wr/Rd
LO DIP Counter
12 Fr Pan Wr/Rd
13 Rear Panel
19 ABIJS 'l&t
Digital Control Troubleshooting
Probable Fhiled Assembliest ;
Comments and Troubleshooting Hints
to replace ROM or A7.
between A7 and A2 or on A7 assembly.
Troubleshooting."
Chapter 7, "Source Troubleshooting."