This service manual helped me to repair my PIONEER. Iam very satisfied, that I found it here.
Even the price of manual was not so high that person would not be able to spend a few money.
But that is very worth spent money. Thanks
I was very glad recieving the service manal from You. Additionaly very fast. Extremaly nice servicing. Thanks very mach! Now my GX-220 working better, than it was made. Alexander from Moscow, Russia/
Text excerpt from page 44 (click to view)
SA-AK340P / SA-AK340PC
13.2. Tuner Section
This section include details on the alignment of AM-IF and AM RF adjustment.
13.2.1. AM-IF Alignment
1. Set up the equipments as shown in Fig. 5. 2. Select [TUNER] mode on selector and set to [AM] mode. 3. Apply signal as shown in Fig. 5 from AM-SG. 4. Adjust Z2602 accordingly so that the output frequency is maximized at 450kHz in Fig. 6.
Fig. 5
Fig. 6
13.2.2. AM RF Adjustment
1. Set up the equipments as shown in Fig. 7. 2. Select [TUNER] on selector and set to [AM] mode. 3. Set AM-SG to 520kHz. 4. Receive 520kHz in the unit. 5. Adjust L2601 (OSC) so that the EVM-AC is maximized. 6. Set AM-SG to 600Hz. 7. Receive 600Hz in the unit. 8. Adjust L2601 (ANT) so that the EVM-SG is maximized. 9. Set AM-SG to 520kHz. 10. Receive 520kHz in the unit. 11. Adjust L2602 (OSC) so that the EVM-DC value is with 1.1±0.5V.
