Motorola V200 Service Manual page 38

Troubleshooting
34
RX Audio Muting
Table 8. RX Audio Muting 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 ON.
• Under SET_RF_PWR, set transceiver to power step 2.
• Under CARRIER, select ON to enable the analog carrier.
• See Figure 12.
• Set up the test set as follows: apply an analog RF input signal at -50 dBm mod-
ulated with a 1004 Hz tone at 8 kHz peak deviation. Set the audio analyzer for
15 kHz LPF, C-message filtering, de-emphasis OFF, and RMS detector.
• Measure the received audio signal at the audio out pin of the accessory connec-
tor. Reference the audio analyzer to the 1004 Hz tone. Use AUD_PATH to
select path "1103h". Measure the change in received audio level in dB with
respect to the reference. The measured change in signal level must meet speci-
fications in Table 8.
October 04, 2001
CDMA V200
Level (dB)
-40.0
-90.0
6881039B10