Technical Specification - Philips LX7500R Service Manual

EN 2 1.

TECHNICAL SPECIFICATION

General:
Mains voltage :230V ±10% for EU versions
:120V ±10% for USA version
Mains frequency :50 Hz - 60Hz
Power consumption mains
Power consumption standby
Power consumption low power stand-by :≤ 5.5 W
TV Tuner
Test equipment:Fluke 54200 TV Signal generator
Test streams:PAL BG Philips Standard test pattern
System: PAL B/G, PAL D/K, SECAM L/L', PAL I
RF - Loop Through:
Frequency range :45 MHz - 860 MHz
Gain: (ANT IN - ANT OUT) :-6 dB to 0dB
Radio Interference:
input voltage /3 tone method (+40 dB min) :no limit
Receiver:
PLL tuning with AFC for optimum reception
Frequency range :45.25 MHz - 857 MHz
Sensitivity at 40 dB S/N :≤ 60dBmV at 75W (video unweighted)
Video Performance:
Channel : 25 / 503,25 MHz,
Test pattern : PAL BG PHILIPS standard test pattern
RF Level :74 dBV
Measured on SCART 1
Frequency response
Group delay ( 0.1 MHz - 4.4 MHz ) :0 nsec ± 150nsec
Audio Performance:
Audio Performance Analogue - HiFi:
Frequency response at SCART 1
(L+R) output :100 Hz - 12 kHz / 0± 3dB
S/N according to DIN 45405, 7, 1967 and PHILIPS standard test
pattern video signal :FM: ≥ 50dB
AM ≥ 45dB, unweighted
Harmonic distortion (1 kHz, ± 25 kHz deviation) :FM ≤ 1.5%
Audio Performance NICAM:
Frequency response at SCART 1
(L+R) output :40 Hz - 15 kHz 0 ± 3dB
S/N according to DIN 45405, 7, 1967 and PHILIPS standard test
pattern video signal :≥ 60 dB unweighted
Harmonic distortion (1 kHz) :≤ 0.5 %
Tuning
Automatic Search Tuning
scanning time without antenna :typ. 3 min. PAL
stop level (vision carrier)
Maximum tuning error of a recalled program :± 62.5 kHz
Maximum tuning error during operation :± 100 kHz
Tuning Principle
automatic B,G, I, DK and L/L'detection
manual selection in "STORE" mode
Audio Tuner
Frequency range FM :87.5 MHz - 108 MHz
AM :531 kHz – 1602 kHz (EU)
530 kHz – 1700 kHz (USA)
Sensitivity at 26 dB S/N FM :≤ 5µV
AM :≤ 3250µV/m
IF FM :10.7MHz
AM :450kHz
LX7500R Technical specification
:100 W
:≤ 20 W
:0 - 4.00 MHz +0-4dB
AM ≤ 2%
:≥ 37dBmV
Harmonic distortion
FM (RF=1mV, ∆f=75kHz) : ≤ 3% (1% typ.)
AM (RF=50mV/m, m=80%) : ≤ 5% (4% typ.)
Analogue Inputs
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
17 Y/CVBS GND OUT
18 Y/CVBS GND IN
19 CVBS/Y 1Vpp ± 0.1V into 75 Ohm (*)
20 CVBS/Y
21 Shield
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
Audio/Video Front Input Connectors
Audio
Input voltage : 2 Vrms
Input impedance : >10kW
Video - Cinch
Input voltage : 1 Vpp ± 3dB
Input impedance : 75 W
>1V / <3V into 75 Ohm = RGB