Philips dvdr 77 service manual
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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 75Ω (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
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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 : >10kΩ 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 1.6 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