Tuner Adjustments - Sanyo MCD-Z165F Service Manual

TUNER ADJUSTMENTS

Use a plastic screw driver for adjustments.
l
Adjust the intermediate frequency of MW, LW and FM to the frequency of ceramic filter.
l
Supply voltage
Phones impedance 32 ohms
Standard output
Function switch
a. Parts Location
b. AW Adjustment
H
2
Tuning coverage
3
H
4
Tracking
5
d. FM Adjustment
Adjusting
Step
Circuit
1 IF
2
Tuning coverage
3
4
Tracking
5
6
frequency
RADIO
BAND SELECT SWITCH
Connect AM SG to Connect VTVM to
test loop speaker terminals I+
Connect AM SG to Connect VTVM to
test loop speaker terminals 1s
BAND SELECT SWITCH
Connections
output
Input
I
Connect sweep
Connect sweep
generator to
generator to Cl 18
(H) & Cl 14 (E)
speaker terminals
speaker terminals
Connect frequency counter to
Cl01 (1l)pin and Add Rx 220K resistor
SW101
1
AW
Position of
tuning dial
Low end
High end
FM
Position of
SG Frequency
tuning dial
10.7 MHz
Low
87.4 MHz
108.2 MHz
106.0 MHz
Adjustment
frequency
Adjustment
T103
Low
T102
CT103
FM Dummy Antenna 75 ohm unbalance
Adjustment
T105
Low
T104
end
I
VTVM
I