7TH-103PF12EBoard Name Function Board Name FunctionDN Digital Signal Processor, Microcomputer S1 Power switchD Format Converter, Plasma AI ProcessorSub-Field ProcessorC1 (upper) Data drive (1) (upper)C2 (upper) Data drive (2) (upper)DS Slot Interface (Audio / Video / Sync Input Switch),Sync Processor, Audio Processor, DC-DC ConverterC3 (upper) Data drive (3) (upper)C4 (upper) Data drive (4) (upper)SC Scan drive C5 (upper) Data drive (5) (upper)SU Scan out (Upper)Non serviceable.SU-Board should be exchanged for service.C6 (upper) Data drive (6) (upper)C1 (lower) Data drive (1) (lower)C2 (lower) Data drive (2) (lower)SM Scan out (Middle)Non serviceable.SM-Board should be exchanged for service.C3 (lower) Data drive (3) (lower)C4 (lower) Data drive (4) (lower)C5 (lower) Data drive (5) (lower)SD Scan out (Lower)Non serviceable.SD-Board should be exchanged for service.C6 (lower) Data drive (6) (lower)P(MAIN_1) Power supplyP(MAIN_2) Power supplySS Sustain drive P(SUB) Power supplySS2 Sustain out (Upper) PB Fan ControlSS3 Sustain out (Lower) HX PC / RS-232CV1 LED-G, R H5 Audio Out terminalV2 Key switch HDE DVI-D terminalV3 Remote receiver HL Component Video terminal (BNC), LAN terminal