AKAI CT2159SM free download

File name AKAI CT2159SM_chassis B20.pdf

m .AKAI Rh IERUICE lllAllUU1 .. Solid State 21" Colour Television Receiver I _*_ EARPHONE u iI L-_______-. AUTO VOLTAGE ALIGNMENT I. A. INSTRUCTION and Maintenance Before Adjustment Don't short any two soldering points or connect any component while TV set is power on. B. Pull out power plug before maintenance. C. In order to ensure safety all components replaced should be identical with originals. (For further details, refer to the component name and component No. in PARTS LIST.) D. Must warm up for 30 minutes or more and degauss CRT thoroughly with demagnetiser before alignment. II. a. c. Equipments for Adjustment b. Digital Voltmeter (Inner Resistance d. Demagnetiser f. Oscilloscope t 10MhZ ) e. Pattern Generator (PHILIPS PM 5518) High Voltage Meter DC Regulated Power Supply Ill. ADJUSTMENT LOCATION _-_ (SECAM COLOUR DEMO ALIGN) ClO6d TUNER 0. JO04 piiEiGq q C604 BR901 s? CN902 lo POWER SWITCH 0 53 , vR401 o z o\;1402 1 z it 1 0 04 0 CN901 I 0 AC INPUT - 14 - ALIGNMENT IV. A. INSTRUCTION (IC602) CHANNEL) the option is absoletely the IC602 LIST code. necessary EEPROM of part to replace in the Main number. with the following PCB is replace item according for any reason. FOR AKAI l-CHIP MODEL SETUP OPTION In order The EEPROM (W/INITIATE to maintain EEPROM IC602 to the destination, When placing which is required when an order tor EEPROM for ordering be sure to list the option code and Ref No. of EEPROM instead B. Check each pairs c403+ +B of power c405+ supply and if normal c429+ +24V then go on to do following C428+ +14v c435+ +9v ZD405+5\IM alignment C604+ +5v Check Point Voltage Value C108+ +31.7v +16V(14") +18\/(20"/21") C. Press Colour key "NORMAL" and Tint) value on REMOTE at normal HANDSET position. to set each analogue (Brightness, Contrast - 15 - ALIGNMENT D DATA SETTING INSTRUCTION * : There setting the are able to set by "normal" MODE" or "ADJUST adjustment MENU". (Colour, Brightness and Contrast) Engaging To set the holding The the value "TEST "+" the CTV to test MENU" volume mode (adjust menu), turn on the power and "-`I buttons on the front cabinet. is indicated MODE" set. key can select volume the corresponding "+" and "-" keys. hand with each parameter MENU), turn on the off the (ADJUST switch screen. power while press and "ADJUST power can To disengage Pressing "TEST switch The or press parameter key on the the above be changed address parameter. by pressing v. A. Method Turn will B. to enter into Power on the ADJUST Switch, screen. of keys MENU then keep down Volume Power Buttons Switch "UP" again and "DOWN" "ADJUST on MENU" off the Main be displayed the Marn PCB Simultaneously Corresponding Keys Functions Functions 1 AFT and turn on the Main on REMOTE HANDSET MUTE 234567890 RF VC0 C-R C-G C-B DR D-R S-B VAD H-C VI. A. Adjustment Preparation 1. Set digital 2. Enter into of AFC Procedure voltmeter ADJUST at DC,