Motorola V200 Service Manual page 44

Troubleshooting
40
RX Response
Table 11. RX Response Test Values
Test Limits
Upper limit
Lower limit
• Select the SUSPEND button to put the phone into Suspend Mode.
• Under CP_MODE, select the AMPS button to place the transceiver into Analog
call processing mode.
• Under the LOAD_SYN heading, enter desired channel and select the Set Chan
button to tune the UUT to the TEST_CHANNEL
• Under AUD_PATH heading, set Input to 1 and Output to 4, TX MUTE and
select SET.
• Set AUD_LVL to level 4.
• Under AUD_CTRL, select Sidetone OFF.
• Under COMPD, select Compander OFF.
• Under SET_RF_PWR, set transceiver to power step 2.
• Under CARRIER, select ON to enable the analog carrier.
• See Figure 15.
• Set up the test set as follows: apply an analog RF input signal at amplitude -50
dBm modulated with a 1004 Hz tone at 2.9 kHz peak deviation. Set the audio
analyzer for 15 kHz LPF, 20 Hz HPF, de-emphasis OFF, and RMS Detector.
• Measure the received audio at the audio out pin on the accessory connector.
Reference the audio analyzer to the 1004 Hz tone. Vary the RF input signal
modulation frequency to 300 Hz and 3 kHz. Measure the change in received
signal level with respect to the reference. The measured change in signal level
must be within the specifications defined in Table 11.
October 04, 2001
CDMA V200
Level at 300 Hz Level at 300 kHz
11.5 -8.5
4.4 -15.6
6881039B10