Teac T-R670, Service Manual

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1. AM TRACKING VOLTAGE ADJUSTMENTS
DC VOLTMETER ........................... CONNECT TO TEST POINT P5 and GND
NO. Band Frequency Adjust for Adjustment
1 AM 530KHz 2.2V T1
2 AM 1720KHz 9.5V TVC1
2. AM RF ADJUSTMENT
Signal Generator ........................ Connects to the AM ANT. Coil through the loop antenna.
Adjust for the indication of VTVM of the wave form of scope to be maximum.
BAND Step Frequency Adjust for Adjustment
1 630KHz Maximum sensitivity L2, T2
2 1420KHz Maximum sensitivity TVC2
3 Repeat steps 1 and 2 several times.
AM
NO. Frequency Adjust for Adjustment
1 97.8MHz L rejection T4
2
P5
GND
3 97.8MHz
97.8MHz
TVR3
T5
L, R rejection
R rejection
3. FM 19kHz REJECTION ADJUSTMENT