Teac AG-5D - Adjustments and Checks; AM Adjustment Procedures

−3−
2-1 Equipment Requried
・AM Standard Signal Generator (AM SSG) ・Audio Generator
・FM Standard Signal Generator (FM SSG) ・Stereo Modulator
・Oscilloscope ・Distortion Meter
・AC Voltmeter ・DC Voltmeter
Note : Disconnect external FM antenna prior to adjustment.
2-2 Adjustment Locations
SVR02
SVR01
SVR03
FD1
IF COIL
OSC COIL ANT COIL
R17 (Pattern Side)
JW10
EC1
TUNER PCB
FD2
2 ADJUSTMENTS AND CHECKS
1. Tunning Voltage
522kHz
1611kHz
522kHz
1611kHz
JW10
DC Voltmeter
OSC COIL
522kHz : 1.2 ± 0.1V
1611kHz : 7.2
〜8.5V
ITEM
SIGNAL GENERATOR
SETTING
SET FREQUENCY
SETTING
EQUIPMENT
CONNECTION
ADJUSTMENT
POINTS
ADJUST FOR
2. IF Tracking 603kHz 603kHz
TAPE PLAY terminal
AC Voltmeter
Oscilloscope
IF COIL Maximize audio output
3. RF Tracking 603kHz 603kHz
TAPE PLAY terminal
AC Voltmeter
Oscilloscope
ANT COIL
Maximize audio output
Repeat LOW,HIGH
frequency
4. Seek Level 603kHz 603kHz
TAPE PLAY terminal
AC Voltmeter
Oscilloscope
SVR03 Tuned on point
2-3 AM Adjustment
・Output of signal generator should not be greater than necessary to obtain an optimum output reading.
・Signal generator modulation : 30%
・Signal frequency : 400Hz
・Modulation frequency : 603kHz, 999kHz, 1404kHz