tune up info

FCC ID: CCRAH1M

Parts List/Tune Up Info

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FCCID_104465

                                                                         AH1 PCB Adjustment & Confirmation Method
No                           Item                                         Details                        Adjustment Point                Settings/Standards                             Notes
  1                     Initial Setting                          Set PCB and initial setting                                           PCB power switch = ON
  2   Power supply input                      Supply power at battery terminal.                                             1.5V
  3   Consumption Current Confirmation        Consumption current at 1.5V.                                                  Less than 70mA
  4   Internal Voltage Confirmation           Ouput voltage of DC-DC Converter.                                             3.0V
  5   Frequency Adjustment                    Adjust each channel to the specified frequency.    VR2 by spectum analyzer.   Specified frequency +/-5kHz.
  6   RF Output Level Confirmation            Check by spectrum analyzer.                                                   +3dBm - +10dBm
  7   Spurious Level Confirmation             Check by spectrum analyzer.                                                   Less than 1uW.
  8   User Volume Setting                     Set to 11 o'clock position.                        VR4
  9   Deviation Adjustment                    Adjust by audio output from receiver.              VR3/Audio analyzer         Receiver output 0dBv +/- 1dB              Audio generator -20dBv
 10   Distortion Ratio Confirmation           Adjust by audio output from receiver.                                         Less than 2%                              Audio generator -30dBv
 11   Frequency Response Confirmation         Adjust by audio output from receiver.                                         +/-3.5dB over 50Hz to 15kHz (ref. 1kHz)   Audio generator -40dBv
 12   Power Switch Operation Confirmation 1   Measure consumption current at power switch OFF.                              0mA
 13   Power Switch Operation Confirmation 2   Confirm LED 1 flash when power switch ON.          Tip of optical fiber jig
 14   Low Voltage Indication Confirmation 1   Lights off LED 1.                                  Tip of optical fiber jig   Power supply voltage 1.15V.
 15   Low Voltage Indication Confirmation 2   Lights LED 1.                                      Tip of optical fiber jig   Power supply voltage 1.05V.
 16   Low Voltage Operation Confirmation      Check at DC-DC convertor output voltage.                                      Power supply voltage 0.9V.                within 3.0V +/- 0.1V



Document Created: 2000-06-13 13:43:51
Document Modified: 2000-06-13 13:43:51

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