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akira CT-29DR9 Series Service Manual

Chassis: s33
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Summary of Contents for akira CT-29DR9 Series

  • Page 2 CHASSIS: S33 MODEL: CT-29DR9A CT-29DR9A(SKD) Model No: CT-29DR9_29DR9A(SKD) Version 1.0...

  • Page 3: Table Of Contents

    CONTENTS 1. SPECIFICATIONS …………….…………………………………………… 4 2. X- RAY RADIATION PRECAUTION …………………..………………… 5 3. SAFETY PRECAUTION ………………………………………………..…… 5 4. PRODUCT SAFETY NOTICE …………………………………………….. 5 5. ALIGNMENT INSTRUCTION ………………………………………………. 6 6. SCHEMATIC DIAGRAM ……………………………………………………. 14 Model No: CT-29DR9_29DR9A(SKD) Version 1.0...

  • Page 4: Specifications

    SPECIFICATIONS RECEIVING SYSTEM : A = BG/DK/I/M, R, N = BG/DK/I, CP = BG Sound System : A = PAL/SECAM/NTSC/NTSC P/B Colour System R, N = PAL/SECAM/NTSC P/B CP = PAL/NTSC P/B Picture Tube : 74 cm (29”) diagonal Ext. Antenna : 75 Ohm Coaxial Cable Ext.

  • Page 5: X-Ray Radiation Precaution

    CAUTION Before serving the chassis, read the “X-Ray Radiation Precaution”, “Safety Precaution” and “Product Safety Notice” on this page. X-RAY RADIATION PRECAUTION Excessive high voltage can produce potentially hazardous X-Ray Radiation. To avoid such hazards, the high voltage must not be above the specified limit. The normal value of the high voltage of this receiver is 24KV at zero beam current (minimum brightness) under 220V AC power source.

  • Page 6: Alignment Instruction

    ALIGNMENT INSTRUCTION ( CHASSIS : S33 ) (I) CHASSIS ADJUSTMENT 1. EEPROM partial initializing 1.1. Go to the function set menu (there are two methods: a / b) Press 'VOL+' key and 'VOL-' key on the control board at the same time and switch on power switch, then go to the function set menu.
  • Page 7 TV receiver can be sent to warm up line. 2.10.2. Before exit warm up line, press 'factory' key three times continue, at this time exit warm up mode, there is no signal and the LOGO ‘AKIRA’ pattern will appear. Model No: CT-29DR9_29DR9A(SKD)
  • Page 8 NOTES: 1. Connect the remote IC PIN7 and PIN16 through a jiggle switch on the USER remote handset , this switch is defined as "screen" key; Connect the remote IC PIN8 and PIN16 through a jiggle switch on the USER remote handset , this switch is defined as "factory" key, 2.
  • Page 9 7. If use 25” or above Pure Flat tube, adjustment of horizontal size and pincushion distortion must be done as follows : a) Receive 60dBuV PAL system monoscope pattern; b) Press 'factory' key one time and go to system parameter adjustment menu; c) Press 'MENU' key and select ' Position Menu ' as below V POSITION for adjust vertical position...
  • Page 10 OPTION 2 (Sopdata2)(number 3 and 4) x x x x| x x x x ---> Two A V source only | | | | | | +------> Three A V source | | | | | +--------> S-video source support | | | | +---------->...
  • Page 11 (III) COLOUR PURITY AND CONVERGENCE ADJUSTMENT 3. COLOUR PURITY ADJUSTMENT (See Fig.1) BEFORE ANY ADJUSTMENTS DESCRIBED BELOW ARE ATTEMPTED,V-HIGH, B+ VOLTAGE AND FOCUSING ADJUSTMENT MUST BE COMPLETED. Place the TV receiver facing NORTH or SOUTH. Plug in TV receiver and turn it on . 3.Operate and warm-up the TV receiver at least over 30 minutes.
  • Page 12 (IV) FINAL INSPECTION AND ELECTRICAL FUNCTIONAL CHECK 1. CHECKING THE ELECTRICAL FUNCTION:- Connect the power cord and connect the signal to RF input. Check the power supply whether OK or not. Switch on the TV set and the LED is on. Switch off the TV screen and should not have CRT spot within 3 sec.
  • Page 13 5. SAFETY CHECK:- High voltage checking. Use high pot tester and set the tester to 3100V, 10mA and ensure the AC/DC switch is in AC position. Set the tester to 10mA and timer to 5 sec. Test all naked metal of the TV and ensure no arcing and sparking. Checking methods.

This manual is also suitable for:

Ct-29dr9aCt-29dr9a(skd)