akira CT-21TF9, Service Manual

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Model No: CT-21TF9A_21TF9C_21TF9CP_21TF9CP(IKD)_21TF9CP(SKD)_21TF9CP(M)_21TF9N_21TF9R
Version 1.0
6
ALIGNMENT INSTRUCTION (3Y01)
GENERAL SET-UP
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 demag-
netizer 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
ITEMS
LOGO
PICTURE
CARRIER
PATTERN SYSTEM
SOUND
MODE
REMARK
1 CHN-1CH 49.75MHz
PHILIPS
PATTERN
PAL-I 1KHz
2 WE-6CH 182.25MHz RED PATTERN PAL-B/G
L: --------
R:400Hz
STEREO/
TELETEXT
3 CHN-12CH 216.25MHz
GREY SCALE
/COLOR BAR
SECAM-D/
K
SWEEP
SOUND
4 CHN-13CH 471.25MHz
CROSS HATCH
PATTERN
PAL-D/K 1KHz
5 USA-33CH 585.25MHz COLOR BAR NTSC-M --------
WITHOUT
SOUND
CARRIER
6 -------- 751.25MHz
MONOSCOPE
PATTERN
PAL-I
SWEEP
SOUND
7 -------- 85.25MHz
GREY SCALE
/COLOR BAR
SECAM-L’ 1KHz SYS-2
8 WE-S20CH 294.25MHz Semi-COLOR BAR PAL-B/G
A:400Hz
B:1KHz
DOUBLE
SOUND
CARRIER