Philips DVDR3575H/, Service Manual

Page: 4 / 195

Audio Performance (Analogue Mono):
Frequency response (100 Hz – 12 kHz) relative to 1 kHz: 0 ± 3dB
S/N Ratio unweighted (quasi peak, 22Hz – 22kHz):
≥
40 dB
S/N Ratio weighted (quasi peak, CCIR 468):
≥
45 dB
Harmonic distortion at 1kHz: FM
±
25 kHz:
≤
1.5 %
Harmonic distortion at 1kHz: AM: m = 54% (L/L’):
≤
2 %
Audio Performance (NICAM Stereo/Dual)
Frequency response (40 Hz - 15 kHz): 0
±
3dB
(Relative to 1 kHz)
S/N Ratio unweighted (quasi peak, 22Hz – 22kHz):
≥
65 dB
S/N Ratio weighted (quasi peak, CCIR 468):
≥
70 dB
Harmonic distortion at 1kHz:
≤
0.5 %
(Headroom: system I - 21.1dB all others - 16.5dB)
Channel Separation:
≥
45 dB
1.3.4. Tuning
Tuning Frequency Range: 45.25 MHz – 857 MHz
Antenna Level for40dB S/N
(video unweighted):
< 40 dB
µ
V (High End) at 75
Ω
≤
60 dB
µ
V (Low End) at 75
Ω
Automatic Search Tuning
Scanning time auto search without RF Signal: <2.5 min.
(Typical 3 minutes)
Stop level (vision carrier):
≥
40 dB
µ
V
Maximum tuning error during operation (drift):
±
100 kHz
Maximum tuning error of a recalled program:
±
62.5 kHz
Tuning Principles:
Automatic system recognition (B/G, I, L/L’, D/K)
Manual Selection in “Store” mode
Storage of frequencies at each random position number
1.4. Analog Inputs/Outputs
1.4.1. SCART 1 (Connected to TV)
Pin Signals:
1 Audio-out R 1.8V RMS
2 Audio-in R
3 Audio-out L 1.8V RMS
4 Audio GND
5 Blue GND
6 Audio-in L
7 Blue-out 0.7Vpp ± 0.1V into 75 Ω
8 Function switch < 2V = TV
> 4.5V / < 7V = asp. Ratio 16:9 DVD
> 9.5V / < 12V = asp. Ratio 4:3 DVD
9 Green GND
10 P50 control not use
11 Green out 0.7Vpp ± 0.1V into 75 Ω
12 NC
13 Red
GND
14 Fast switch GND
15 Red-out 0.7Vpp ± 0.1V into 75 Ω
16 Fast switch RGB / CVBS or Y out < 0.4V into 75 Ω = CVBS
>1V / < 3V into 75 Ω = RGB
17 CVBS-out GND
18 CVBS-in GND