Erisson 2120 04 free download

File name ERISSON 2120 04.pdf

ALIGNMENT INSTRUCTION (3Y01) 1. Please notice the following before alignment and equipment: 1-1 Don't short any two soldering points, which should not be shorted and don't touch any components, which should not be touched. 1-2 Please pull out plug before equipment. 1-3 For safety reasons, all components equipped or replaced should be identical with BOM. 1-4 Must be warm up for 30 minutes or more and degauss CRT thoroughly with demagnetizer before alignment. 1-5 The data of EEPROM must be stored before the adjustment for main chassis. 2. Tools and equipment for adjustment 2-1 small "-" screwdriver 2-2 screwdriver without inductance 2-3 Pattern Generator 2-4 DC Regulated power supply 2-5 Digital Voltmeter 2-6 Sweep Signal Generator 2-7 20MHz 2-channel Oscilloscope 3. Signal condition PICTURE SOUND ITEMS LOGO PATTERN SYSTEM REMARK CARRIER MODE PHILIPS 1 CHN-1CH 49.75MHz PAL-I 1KHz PATTERN L: -------- STEREO/ 2 WE-6CH 182.25MHz RED PATTERN PAL-B/G R:400Hz TELETEXT GREY SCALE SWEEP 3 CHN-12CH 216.25MHz SECAM-D/K /COLOR BAR SOUND CROSS HATCH 4 CHN-13CH 471.25MHz PAL-D/K 1KHz PATTERN WITHOUT 5 USA-33CH 585.25MHz COLOR BAR NTSC-M -------- SOUND CARRIER MONOSCOPE SWEEP 6 -------- 751.25MHz PAL-I PATTERN SOUND GREY SCALE 7 -------- 85.25MHz SECAM-L' 1KHz SYS-2 /COLOR BAR DOUBLE