Motorola V200 Service Manual page 48

Dual band personal communicator, cdma 800/1900 mhz technology
Hide thumbs Also See for V200:
Table of Contents

Advertisement

Troubleshooting
44
Signaling Tone Deviation
This phasing procedure is used to phase the deviation that results from normal
audio levels.
Table 13. Signaling Tone Deviation Test Values
Parameter
Test Voltage at Battery Terminals
Test Voltage at Acc. Connector
TEST_CHANNEL
MINIMUM_GAIN_SETTING
MAXIMUM_GAIN_SETTING
LOW_LIMIT
TARGET
HIGH_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 1, TX MUTE RX
MUTE and select SET.
• Set AUD_LVL to level 3.
• Under AUD_CTRL, select Sidetone OFF.
• Under COMPD, select Compander OFF.
• Under SIGTONE heading, select Enable.
• Under SET_RF_PWR, set transceiver to power step 2.
• Under CARRIER, select ON to enable the analog carrier.
• See Figure 17.
• The test set should be configured as follows: 15 kHz LPF, 50Hz HPF, 750 µSec
de-emphasis. Set equipment to measure FM deviation.
• Measure the peak frequency deviation in kHz.
October 04, 2001
CDMA V200
Value
3.60V
4.40V
350
0
15
7.6kHz
8.0kHz
8.4kHz
6881039B10

Advertisement

Table of Contents
loading

Table of Contents