Motorola V200 Service Manual page 58

Dual band personal communicator, cdma 800/1900 mhz technology
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Troubleshooting
54
TX Response
Table 18. TX 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 3 and Output to 1, RX MUTE and
select SET.
• Set AUD_LVL to level 3.
• 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 22.
• Set up the test set as follows: set the analyzer for 50 Hz HPF and 15 kHz LPF
• Detector: Peak (+/-) /2.
• Input a 1004Hz modulating signal to the audio in pin of the accessory connec-
tor at a level to get 2.9 kHz peak deviation. Measure the FM deviation.
• Change the analyzer detector to RMS.
• Reference the audio analyzer to the 1004 Hz tone. Vary the TX modulation fre-
quency to 300 Hz and 3 kHz.
• Measure the change in dB level on the audio analyzer with respect to the refer-
ence. The measured change must meet the specifications defined in Table 18.
October 04, 2001
CDMA V200
Level at 300 Hz
Level at 3 kHz
(dB)
(dB)
10.5
-13.5
4.9
6881039B10

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