Sony SPP-ID300 Service Manual page 9

6. Data In Check
Setting:
SSG
Carrier frequency: 49.83 MHz
Modulation: 200 Hz, ± 4 kHz deviation
Output level: 3 dB µ EFM
Procedure:
1. Change the modulation of SSG to 200 Hz (±4 kHz deviation).
2. Set the [DIAL MODE] switch (S1) to the [P] (PULSE) position
(SPP-ID300) .
3. Press the [PAGE] key (S4) eleven times (SPP-ID300) or the
[SPEAKERPHONE] key (S2) twice (SPP-ID400) to change the
test mode step to DATA IN CHECK.
4. Check that the CHARGE LED (D11) lights up or blinks.
Adjustment Location:
– BASE (MAIN) BOARD (Component Side) –
T (TONE)
L6 Sensitivity Adjustment
L10 TX VCO Adjustment
L3 DISCRI Coil Adjustment
RT2 TEL Out Level Adjustment
TP (ANT)
TP (GND)
˜ P (PULSE)
S1
L7 RX VCO Adjustment
– BASE (MAIN) BOARD (Conductor Side) –
TP (GND)
TP (ANT)
TP (RX VCO)
TP (TX VCO)
– 9 –
J1
TP (DISC)