Hitachi VT-FX685A, Service Manual, Page: 3 / 67

SPECIFICATIONS
Description Unit Minimum Nominal Maximum Condition
1. Video
1-1 Video Output (PB) Vp-p 0.8 1.0 1.2
1-2 Video Output (R/P) Vp-p 0.8 1.0 1.2
1-3 Video S/N Y (R/P) dB 41 44 SP Mode
1-4 Video Color S/N AM (R/P) dB 35 44 SP Mode
1-5 Video Color S/N PM (R/P) dB 33 37 SP Mode
1-6 Resolution (PB) Line 210 230 SP Mode
2. Servo
2-1 Jitter Low (R/P)
µ
s 0.05 0.1 SP Mode
2-2 Wow & Flutter (R/P) % 0.2 0.4 SP Mode
3. Normal Audio
3-1 Output (PB) dBV -10 -6 -2
3-2 Output (R/P) dBV -10 -6 -2 SP Mode
3-3 S/N (R/P) dB 38 43 SP Mode
3-4 Distortion (R/P) % 2 4.0 SP Mode
3-5 Freq. response (R/P) at 200Hz dB -6 0 SP Mode
(-20dB ref. 1kHz) at 8kHz dB -6 -1.5 SP Mode
4. Tuner
4-1 Video Output Vp-p 0.8 1.0 1.2 E-E Mode
4-2 Video S/N (S/N Y signal) dB 40 47 E-E Mode
4-3 Audio Output (1kHz) dBV -10 -6 -4 E-E Mode
4-4 Audio S/N (1kHz) dB 40 46 E-E Mode
Note: Nominal specs represent the design specs. All units should be able to approximate these – some will exceed
and some may drop slightly below these specs. Limit specs represent the absolute worst condition that still might be
considered acceptable; In no case should a unit fail to meet limit specs.
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