Teac SR-L230I, Service Manual

Page: 7 / 36

7
SR-L230i
3-2-2 FM TUNER
ITEM
SG SETTING
TUNER
SETTING
ADJUSTMENTS
MEASURING
POINTS.
RESULT Audio Modulation Frequency Output
1.VOLTAGE
adjustmen
108MHz L2 FM OSC coil VT 7.8-8.2V
87.5MHz Check
2.ANT Coil
adjustment
1KHz 22.5kHz 90.1MHz 76dBuV 90.1MHz L1 FM RF coil
Maximun
output level
3.TC1
adjustment
1KHz 22.5kHz 106.1MHz 76dBuV 106.1MHz
TC1 Repeat
step 2 and 3 Maximun
output level
Digital multimeter
75 ohm
FM Signal generator
AC voltmeter
FM
SR-L 230i
PHONES
R13
R1
VT voltage
1K Ω
1K Ω