Philips DVDR7250H, Service Manual, Page: 3 / 72

EN 3 3139 785 31800
1.
Technical Specifications and Connection Facilities
1.4.1.6 Audio Performance:
Audio Performance Analogue - HiFi:
Frequency response at SCART 1
(L+R) output : 100Hz – 12kHz / 0 ±
3dB
S/N according to DIN 45405,7,1967
and PHILIPS standard test pattern
video signal : ≥ 50dB
Harmonic distortion (1 kHz, ± 25
kHz deviation) : ≤ 1.5%
Audio Performance NICAM:
Frequency response at SCART 1
(L+R) output : 40Hz – 15kHz / 0 ±
3dB
S/N according to DIN 45405,7,1967
and PHILIPS standard test pattern
video signal : ≥ 60dB
Harmonic distortion (1kHz) : ≤ 0.5%
1.4.1.7 RF Tuning
Automatic Search Tuning
Scanning time without antenna : 3min. typical
Stop level (vision carrier) : ≥ 37dBμV
Maximum tuning error (drift) during
operation : ±100kHz
Tuning Principle:
Automatic B, G, I, DK and L/L’ detection.
Manual selection in “STORE” mode
1.4.2 RF TUNER (Digital Terrestial)
1.4.2.1 DVB – T – Tuner
Frequency range : 448-861MHz
Gain(Ant IN – Ant OUT) : -1dB to 3dB
Auto Search scanning time
(without Antenna input signal) : 40 sec typical
1.4.2.2 DVB – T – Video Performance
DVB-T-RF antenna signal IN :Video Performance measured
at Rear Cinch Audio Out:
- S/N(Unweighted,5MHz-BW limitation SC trap ON): ≥ 55dB
- Frequency response 0.1 to 4.8MHz : +1/-3dB
- Y/Chroma delay : ≤ 55ns
- 2-T-K-factor : ≤ 2%
1.4.2.3 DVB-T-Audio Performance
DVB-T-RF antenna signal IN;Audio performance measured
at Rear Cinch Audio Out:
- S/N(A-weighted,
22kHz-BW limited) : ≥ 88dB
- Frequency response 20Hz
to 20kHz : ± 1dB
- THD + Noise (at 1kHz) : ≥ 85dB
- THD + noise (ratio) for 16Hz to 20kHz
- Channel Separation(at 1kHz) : ≥ 100dB
1.5 Analogue Inputs / Outputs
1.5.1 SCART 1(Connected to TV)
Pin Signals:
1 – Audio-out R 1.8V RMS
2 – Audio-out R
3 – Audio-out L 1.8V RMS
4 – Audio GND
5 – Blue / Chroma 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 75Ω
12 – NC
13 – Red / Chroma GND
14 – Fast switch GND
15 – Red-out / Chroma-out 0.7Vpp ± 0.1V into 75Ω
16 – Fast switch
RGB / CVBS or Y out < 0.4V into 75Ω = CVBS
>1V / < 3V into 75Ω = RGB
17 – Y/CVBS GND OUT
18 – CVBS GND IN
19 – CVBS-out 1Vpp ± 0.1V into 75Ω
20 – CVBS-in
21 – Shield
1.5.2 SCART 2(Connected to AUX)
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 / Chroma GND
6 – Audio-in L
7 – Blue-in
8 – Function switch
9 – Green GND
10 – NC
11 – Green-in
12 – NC
13 – Red / Chroma GND
14 – Fast switch GND
15 – Red-in / Chroma-in
16 – Fast switch
RGB / CVBS or Y in
17 – CVBS GND
18 – Y/CVBS GND
19 – CVBS out sync 1Vpp ± 0.1V into 75Ω
20 – CVBS-in / Y-in
21 – Shield
Jeanne van Woerkom electra
www.freeservicemanuals.info