Sony SPP-A946 Service Manual page 22

3. SQ Sensitivity Adjustment
Setting:
SSG
Carrier frequency: 902.902467 MHz
Modulation: no modulation
Output level: –114 dBm
Procedure:
1. Change the modulation to no modulation and change the out-
put level of SSG to –114 dBm.
[INTERCOM]
2. Press the key once to change the test mode step
to SQ SENS.
3. Adjust RT1 on the BASE MAIN board so that the CHARGE
LED (D209) becomes blinking.
Adjustment Location:
– BASE MAIN BOARD –
(Component Side)
J1
RT3
Modulation Sensitivity Adjustment
RT1
SQ Sensitivity Adjustment
TP (ANT)
TP (GND)
S1
TONE ← PULSE
RT301
TX Power Adjustment
CT1
TX Frequency Adjustment
L3
DISCRI Voltage Adjustment
RT2
TEL Out Level Adjustment
– BASE MAIN BOARD (Conductor Side) –
BP (ANT)
TP (ANT) TP (GND)
TP (DISCRI)
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