Tuner Adjustments - Sanyo AWM-2100 Service Manual

TUNER ADJUSTMENTS

(This is basic adjustment)
PARTS LOACTION
Equipment needed:
1. AM Signal generator
2. FM Signal generator
3. DC Voltage meter
4. Oscilloscope
5. Output meter (VTVM )
AM Alignment-: Use AM S/G and loop antenna
Band
STEP
AM-IF
1
2
3
AM-RF
4
5
Figure4. AM IF/RF Tracking
S/G FREQUENCY
450 kHz
530 kHz
600 kHz
1400 kHz
Repeat step 2 and 4 as required
DIAL SETTING ADJUSTMENT
600 kHz
530 kHz
600 kHz
1400kHz
- 5 -
REMARKS
Adjust for best IF waveform
T301 ( at detector output)
T303
Adjust for VT=1V
Adjust for maximun
T302
indication.
Adjust for maximun
TC302
indication.