JVC UX-H10 Service Manual page 14

4.1.6 Tuner Section
Item Measuring
Condition
AM IF adjustment Signal input:
Loop ANTENNA
Signal output:
U201 PIN 16
AM tracking Signal input:
adjustment Loop antenna
PHONES (with 32
ohm Load)
FM Tracking Signal input point:
Adjustment FM-ANT
Phones With 32
ohm load
1-14 (No.MB066)
Check and adjustment procedure
1.Set the intermediate frequency sweep generator to
AM 450 kHz.
2.Adjust the T201 for maximum and center output.
1.Set the TUNER at 531 kHz adjust T202 until the
test pin of R229 Voltage at 1.5V
2.Set the TUNER at 1710 kHz, Check the pin of
R229 Voltage at 8.4V 6V.
3.Set theTUNER and S/G at 603 kHz, adjust T204
for maximum output.
4.Set the TUNER and S/G at 1404 kHz, adjust
VC201 for maximum output.
5.Repeat the above steps 3 and 4.
1.Set the Tuner at 87.5MHz adjust L203 until the test
pin of R230 voltage at 2.4V
2.Set the Tuner at 108MHz. Check the pin of R230
voltage at 8 0.8V
3.Set the Tuner and S/G at 90.1MHz. Adjust L204 for
maximum output.
4.Set the Tuner and S/G at 106.1MHz. Adjust VC 202
for maximum output.
5.Repeat the above step 3 and 4
Standard value
0.1V.
0.1V
Adjusting part
T201
See Fig 3-3
T202
T204
R229
VC201
R230
L204
VC202