Philips DVDR725H, Service Manual

Page: 3 / 211

Technical Specifications and Connection Facilities
EN 3 HDRW720/0x, DVDR725H/0x 1.
manual selection in "STORE" mode
1.4 Analogue Inputs
1.4.1 SCART 1 (Connected to TV)
Pin Signals:
1
- Audio R 1.8V RMS

2 - Audio R

3 - Audio L 1.8V RMS

4 - Audio GND

5 - Blue/Chroma
GND

6 - Audio L

7 - Blue out/
Chroma in 0.7Vpp
±
0.1V into 75 Ohm (*)

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

11 - Green 0.7Vpp
±
0.1V into 75 Ohm (*)
12 - Nc
13 - Red/Chroma
GND

14 - fast switch
GND

15 - Red out/
Chroma out 0.7Vpp
±
0.1V into 75 Ohm (*)
±
3dB 0.3Vpp Chroma (burst)

16 - fast switch
RGB/ CVBS or Y <0.4V into 75 Ohm = CVBS
>1V / <3V into 75 Ohm = RGB

17 - Y/CVBS GND
OUT

18 - Y/CVBS GND
IN

19 - CVBS/Y 1Vpp
±
0.1V into 75 Ohm (*)

20 - CVBS/Y

21 - Shield

1.4.2 SCART 2 (Connected to AUX)
Pin Signals:
1
-Audio R 1.8V RMS

2 -Audio R

3 -Audio L 1.8V RMS

4 -Audio GND

5 -Blue/Chroma
GND

6 -Audio L

7 -Blue in/
Chroma out
±
3dB 0.3Vpp Chroma (burst)

8 -Function
switch

9 -Green GND

10 -P50 control

11 -Green

12 -Nc
13 -Red/Chroma
GND

14 -fast switch
GND

15 -Red in/
Chroma in

16 -fast switch
RGB/ CVBS or
Y

17 -CVBS GND
OUT

18 -CVBS GND
IN

19 -CVBS/Y/RGB
sync 1Vpp
±
0.1V into 75 Ohm (*)

20 -CVBS/Y

21 -Shield

(*) for 100% white
1.4.3 Audio/Video Front Input Connectors
Audio
Input voltage
: 2 Vrms
Input impedance : >10k
Ω
Video - Cinch
Input voltage
: 1 Vpp
±
3dB
Input impedance : 75
Ω
Video - YC (Hosiden)
Input voltage Y
: 1Vpp
±
3dB
Input impedance Y : 75
Ω
Input voltage C : burst 300 mVpp
±
3
dB
Input impedance C : 75
Ω
1.5 Video Performance
All outputs loaded with 75 Ohm
SNR measurements over full bandwidth without weighting.
1.5.1 SCART (RGB)
SNR : > -65 dB on all output
Bandwidth : 4.8 MHz
±
2dB
1.6 Audio Performance CD
1.6.1 Cinch Output Rear
Output voltage 2 channel mode : 2Vrms
±
2dB
Channel unbalance (1kHz) : <1dB
Crosstalk 1kHz : >95dB
Crosstalk 20Hz-20kHz : >85dB
Frequency response 20Hz- 20kHz :
±
0.2dB max
Signal to noise ratio : >95 dB
Dynamic range 1kHz : >85dB
Dynamic range 20Hz-20kHz : >80dB
Distortion and noise 1kHz : >85dB
Distortion and noise 20Hz-20kHz : >75dB
Intermodulation distortion : >77dB
Mute : >95dB
Outband attenuation: : >40dB above 30kHz
1.6.2 Scart Audio
Output voltage 2 channel mode : 1.6Vrms
±
2dB
Channel unbalance (1kHz) : <1dB
Crosstalk 1kHz : >85dB
Crosstalk 20Hz-20kHz : >70dB
Frequency response 20Hz- 20kHz :
±
0.2dB max
Signal to noise ratio : >85 dB
Dynamic range 1kHz : >75dB
Dynamic range 20Hz-20kHz : >70dB
Distortion and noise 1kHz : >75dB
Distortion and noise 20Hz-20kHz : >65dB
Intermodulation distortion : >70dB
Mute (spin-up, pause, access) : >85dB
Outband attenuation: : >40dB above 25kHz