Philips MRV640 - 1.2 General; 1.3 RF Tuner; 1.4 Analogue Inputs; Outputs

Technical Specifications and Connection Facilities
EN 2 DVDR615, MRV6401.
1. Technical Specifications and Connection Facilities
1.1 PCB Diversity Matrix
1.2 General:
Mains voltage : 90V-140V
Mains frequency : 47 Hz - 63Hz
Power consumption mains : 27 W
Power consumption standby : < 7 W
Power consumption low power
standby : < 3W
Backup of timer / clock : 12 hours
1.3 RF Tuner
Test equipment: Fluke 54200 TV Signal generator
Test streams: Philips Standard test pattern
1.3.1 System:
NTSC M
1.3.2 RF - Loop Through:
Frequency range : 45 - 810 MHz
Gain: (ANT IN - ANT OUT) : ≥ - 6dB
Radio Interference / max. input
voltage, at 75Ω, 3 tone method (≤-
40dB) : no limit
1.3.3 Modulator:
Video Modulation: : 80%±15%
Frequency response : 0 ± 3dB, 0...4.2MH
Audio Modulation 1kHz tone : ± 12kHz, tol. ± 4kHz
1.3.4 Receiver:
PLL tuning with AFC for optimum reception
Frequency range: : 55 - 805 MHz
Sensitivity at 40 dB S/N : ≤ 60dBµV at 75Ω
(video unweighted )
1.3.5 Video Performance:
Channel 25 / 503,25 MHz,
Test pattern: standard test pattern,
RF Level 74dBµV
Measured on Cinch Out
Frequency response: : 0.1 - 3.58 MHz -1 ±
3dB
Group delay : -50nsec ± 150nsec
(0.1-3.58MHz)
1.3.6 Audio Performance:
Audio Performance Analogue - HiFi:
Frequency response at Cinch (L+R)
output: : 100 Hz - 10 kHz / 0±
3dB
S/N according to DIN 45405, 7, 1967 :
and PHILIPS standard test pattern
video signal: : ≥ 45dB
Harmonic distortion ( 1 kHz, ± 25
kHz deviation): : ≤ 1.5%
1.3.7 Tuning
Automatic Search Tuning
Scanning time without antenna : typ. 3 min.
Stop level (vision carrier) : ≥ 37dBµV
Maximum tuning error during
operation : ± 100 kHz
Manual Tuning
Manual selection in "ADD/DELETE CHANNELS" mode
1.4 Analogue Inputs / Outputs
1.4.1 External 1
Component Video Cinch Y/Pb/Pr
according EIO-770-1-A, EIA-770-2-A
Audio Cinch
Input voltage : 2.2 Vrms max.
Input impedance : > 10kΩ
1.4.2 External 2
Video - Y/C (Hosiden)
according IEC 933-5
Superimposed DC-level on pin 4 (load ≥ 100kΩ):
< 2.4V is detected as 4:3 aspect ratio
> 3.5V is detected as 16:9 aspect ratio
Input voltage Y : 1Vpp ± 3dB
Input impedance Y : 75 Ω
Input voltage C : burst 300 mVpp ± 3
dB
Input impedance C : 75 Ω
Video Cinch
Input voltage : 1 Vpp ± 3dB
Input impedance : 75 Ω
Audio Cinch
Input voltage : 2.2 Vrms max.
Input impedance : > 10kΩ
1.4.3 Audio/Video Front Input Connectors
Audio
Input voltage : 2.2 Vrms max.
Input impedance : >10kΩ
Video - Cinch
Input voltage : 1 Vpp ± 3dB
Input impedance : 75 Ω
Version
DVDR615/
17
MRV640/
17
Digital Board
Chrysalis 2.1
N1_AV3 x
N3_AV3 x
Basic Engine VAD8031/01 x x
Analog Board AL/T_N1 x x
uP Sub Board AL/T_N1 x x
Front Board
DVDR615/17
(BK)
x
MRV640/17 x