Sony FPF55C17196UA Service Manual page 16

3.3 FUNCTION
3.3.1 Logic board Function
(1) Data Processor
- γ adjustment(1 / 2.2 / 2.4 / 2.6 / 2.8)
- NTSC/EBU format(Color matrix) Switch
- RGB gain Control(White balance adjustment, Amplitude limitation)
- Error Diffusion Technology(Grayscale adjustment)
- Dither(Grayscale adjustment)
- Burn-in Pattern generation
(2) Data Converter
- Quasi out-line adjustment (luminous pattern control)
(3) Scan Controller
- Address driver control signal generator (ADM)
- scan driver control signal generator (SDM)
- X/Y sustain control signal generator
(4) Waveform ROM
- Waveform Pattern for drive / Timing memory
(5) MPU
- Synchronous detection
- System control
- Driving voltage(Va, Vs, Vr, Vw, Vu, Vq) Minute adjustment
- Abnormal watch (breakdown detection)/abnormal processing
- Is(sustain) current control (sustain pulse control)
- Ia(address) current control (sub-field control)
- External communication control
- Flash memory (firmware)
(6) EEPROM
- Control parameter memory
- The accumulation energizing time (Every hour).
- Abnormal status memory (16 careers)
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