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Extracted text from philips dvdr 77 service manual (Ocr-read)
Page 1
Technical Specifications and Connection Facilities EN 2 DVDR77/0x 1.
1. Technical Specifications and Connection Facilities
1.1 PCB Locations
Remarks:
The EPG Board is not present in the DVDR77.
1.2 Diversity Matrix
1.3 General:
Mains voltage : 198V-276V
Mains frequency : 43 Hz - 63Hz
Power consumption mains : 28 W
Power consumption standby : < 7 W
Power consumption low power
stand-by : < 3 W
1.4 RF Tuner
Test equipment:Fluke 54200 TV Signal generator
Test streams:PAL BG Philips Standard test pattern1.4.1 System:
PAL B/G, PAL D/K, SECAM L/L, PAL I
1.4.2 RF - Loop Through:
Frequency range : 45 MHz - 860 MHz
G a i n : ( A N T I N - A N T O U T ) : - 6 d B t o 0 d B
1.4.3 Radio Interference:
input voltage /3 tone method (+40
dB min) : no limit
1.4.4 Receiver:
PLL tuning with AFC for optimum reception
Frequency range: : 45.25 MHz - 857 MHz
Sensitivity at 40 dB S/N :- 60dBµV at 75-
(video unweighted )
1.4.5 Video Performance:
Channel 25 / 503,25 MHz,
Test pattern: PAL BG PHILIPS standard test pattern,
RF Level 74 dBV
EPG Board
optional
Digital Board
PCMCIA
Card Reader In/Out Extension Board
Basic Engine
Up Sub Board
Analog Board Display Board
TypeDVDR77/00
DVDR77/02
Digital Board
(Chrysalis) 2.1PCB ASSY CHRY 2.1_E4
Basic Engine AV3VAD8031/01
I/O Extension Board IOEPBAS IOE IST E2
UP Sub BoardPBA UP SUB IST E1
Analog-BoardPB AB ISTEP E1
Display
ControlPCB ASSY DC1 IST E/N
Page 2
Technical Specifications and Connection Facilities EN 3 DVDR77/0x 1.
Measured on SCART 1
Frequency response: : 0 - 4.00 MHz +0-4dB
Group delay ( 0.1 MHz - 4.4 MHz ) : 0 nsec ± 150nsec
1.4.6 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%; AM - 2%
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 %
1.4.7 Tuning
Automatic Search Tuningscanning time without antenna : typ. 3 min. PAL
stop level (vision carrier) : - 37dBµV
Maximum tuning error of a recalled
program :± 62.5 kHz
Maximum tuning error during
operation :± 100 kHz
Tuning Principleautomatic B,G, I, DK and L/Ldetection
manual selection in "STORE" mode
1.5 Analogue Inputs
1.5.1 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
1.5.2 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
1.5.3 Audio/Video Front Input Connectors
Audio
Input voltage : 2 Vrms
Input impedance : >10k-
Video - Cinch
Input voltage : 1 Vpp ± 3dB
Input impedance : 75 -
Video - YC (Hosiden)
Input voltage Y : 1Vpp ± 3dB
Input impedance Y : 75 -
Input voltage C : burst 300 mVpp ± 3
dB
Input impedance C : 75 -
1.6 Video Performance
All outputs loaded with 75 Ohm
SNR measurements over full bandwidth without weighting.
1.6.1 SCART (RGB)
SNR : > -65 dB on all output
Bandwidth : 4.8 MHz ± 2dB