5. PCB Structure sheet of GP8D chassis
Board Name Function Remarks
D Digital Signal Processor 1
J Slot Interface (Audio/Video/
Sync input Switch), SYNC
processor, Audio processor,
Speaker out amplifier, DC-DC
converter
1
SS Sustain Out 1
SC Scan out 1
SU Sustain connection (Upper) 1
SD Sustain connection (Lower) 1
C1 Data Drive (Lower Right)
C2 Data Drive (Lower Left)
H3 Speaker terminal
S1 Power switch
V1 LED (Stand-by/Power on) &
Remote receiver
1
V2 Key switch 1
P Line filter, Power supply 1
HX PC_type_Input terminal
HB BNC Composite/S Video 2
HA BNC Component Video 3
Remarks
10