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Giant Cobra CB 29 LX LE Alignment Procedure
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Giant Cobra CB 29 LX LE Alignment Procedure

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29-LX ALIGNMENT
GIANT ELECTRONICS LTD.
www.radioaficion.com
ALIGNMENT
For Cobra model
REVISION: 00
PROCEDURE
CB 29 LX LE
MODEL: CB 29 LX LE
REVISION: ___V01______
DATE
: _2010-6-22___
PREPARED BY:___
CHECKED BY:
APPROVED BY: ____________
Total page: 5 pages
Page: 1 / 6
(Giant: 29-LX)
____________
print date: 10-6-22
ENG-29-LX-08

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Summary of Contents for Giant Cobra CB 29 LX LE

  • Page 1 29-LX ALIGNMENT REVISION: 00 ENG-29-LX-08 GIANT ELECTRONICS LTD. www.radioaficion.com ALIGNMENT PROCEDURE CB 29 LX LE For Cobra model (Giant: 29-LX) MODEL: CB 29 LX LE REVISION: ___V01______ DATE : _2010-6-22___ PREPARED BY:___ CHECKED BY: ____________ APPROVED BY: ____________ Total page: 5 pages...

  • Page 2: Test Condition

    29-LX ALIGNMENT REVISION: 00 ENG-29-LX-08 CB 29-LX ALIGNMENT INSTRUCTION 1.0 TEST CONDITION: 1.1. STANDARD DC POWER: EXT.DC 13.8VDC 1.2. MEASUREMENT CHANNEL: CH19 / WX CH5 8  1.3. STANDARD AUDIO LOADING: 50  1.4. ANTENNA IMPEDANCE: 1.5. STANDARD REF. MODULATION: 30% (AM) / WX +/- 3KHz (FM) 1.6.
  • Page 3 29-LX ALIGNMENT REVISION: 00 ENG-29-LX-08 1.8. TEST EQUIPMENT SETUP AS BELOW: A. TX test equipment setup: Spectrum Power Analyzer Supply Modulation Wattmeter CB29LTD Meter D.U.T. Oscilloscope Frequency Audio Gen. Counter Distortion Meter Voltmeter B. RX test equipment setup: SINAD Meter RF Signal Power Generator...
  • Page 4 29-LX ALIGNMENT REVISION: 00 ENG-29-LX-08 gnment of P.L.L. portion of CB and WX. Equipment required: A: Oscilloscope B: DC voltage meter . Alignment procedure: TEST ITEM TEST CONDITION & PROCEDURE PURPOSE 1. CB TX VCO voltage Connect the DC volt. Meter to the Adjust to obtain approximately @ CH40...
  • Page 5 29-LX ALIGNMENT REVISION: 00 ENG-29-LX-08 Alignment of WX receiver portion. Equipment required: A: Signal generator B: AC voltmeter. C: Oscilloscope. D: Dummy load ( 8 ohm, 5 watts, resistive.) E: DC power supply ( 13.8 v. 2Amp.) Alignment procedure: TEST ITEM TEST CONDITION &...
  • Page 6 29-LX ALIGNMENT REVISION: 00 ENG-29-LX-08 5. LCD & Backlight Checking 5.1 There are four colors in the backlighting operation, they are Red, Green, Blue and Amber. 5.2 The LCD drawing as following display in dot matrix and icons. 5.3 Please refer to the next procedure of item 6 let the UUT into the test mode to checking the LCD and backlight performance.