JVC RC-BM5 - Radio Presets; Presetting Radio Stations; Tuning Preset Radio Stations

RC-BM5
1-18
Fig.1 Head output signal
Adjustment
Head
max
Azimuth adjustment screw
CASSETTE MOTOR
Tape Speed Adj.
+
-
Location of adjusting parts
Cassette mechanism section
Fig.2
(Caution) For adjusting any head, be sure to use a screw driver degaussed.
Tuner board
Fig.4
T102
T104
T105
T106
T103
VR101
TC102
TC101
TC10
TC1
L2
L101
L102
L1
Item Measuring condition Check and adjustment procedure Standard value Adjusting part
Set the AM signal generator at 600kHz and the unit
receiving 600kHz, adjust L105(AM ANT. COIL) for
maximum output.
Set the AM signal generator at 1400kHz and the unit
receiving 1400kHz, adjust TC101 for maximum output.
Set the FM signal generator at 90MHz and the unit
receiving 90MHz, adjust L101 for maximum output.
Set the FM signal generator at 106MHz and the unit
receiving 106MHz, adjust TC102 for maximum output.
Set the AM signal generator at 98MHz with stereo
deviation and the unit receiving 98kHz.
Adjust VR101, so that the separation between the R
and L channels for maximum.
Signal input:
AM ANT. COIL
antenna
Signal output:
IC101 pin14 or
IC101 pin15
Signal input:
FM antenna
Signal output:
IC101 pin14 or
IC101 pin15
Signal input:
FM antenna
Signal output:
IC101 pin14 or
IC101 pin15
AM tracking
adjustment
FM tracking
adjustment
FM stereo
separation
adjustment
1.
2.
1.
2.
1.
2.
L105
TC101
See Fig.4 on
page 1-18.
L101
TC102
See Fig.4 on
page 1-18.
VR101
See Fig.4 on
page 1-18.
L105
(AM ANT. COIL)
Cassette board
T605
Fig.3
IC101
1pin
14pin
15pin