Adjustment Procedure; Tuner Adjustment - Sanyo MS30F Service Manual

ADJUSTMENT PROCEDURES
GENERAL REMARKS | |
Before the aajistnents: wipe off stains on the tape
contacting surfaces of the parts and the belt with a soft cloth
soaked in alcohol. Trouble may occur because of oil and
_ grease stains. Carefully handie the belt because grease
easily attaches to it.
REQUIRED EQUIPMENT
e@ VTVM
Frequency Counter
DC Constant-voltage Regulator
Dummy Load (160)
Test Tapes
t SkHz Test Tape (Example: TEAC MTT-111) |
+ 8kHz Test Tape (Example: TEAC MTT- 113C)
Alignment Tool
« ADJUSTMENT PROCEDURE
| Tape Speed _ Speed
Head Azimuth
ASO LEVER
The service part of the ASO Lever is not cut to avoid deforming
as illustrated.
When replacing the ASO Lever, cut the part indicated in the
iliustration.
Earphone
ASO Lever |
Adjustment Dummy Measuring» ' Measuring
| Frequency Counter Cou nter
@. Carefully handle the belt because grease easily attaches to
it. Then check the used rubber parts. If the rubber has
deteriorated or is scratched, replace the parts with new one.
NOTE:
Before performing the adjustment, set the control and
switch as follows: |
F "BUNCUON SWIC ssc ts55ls sionsekanesaiinetheteeeceses TAPE
+ Speed Control Switch ................05. ~NORMAL position
$ Volume Control ....... 0... c cece ccc cccucccecenes As desired
+ Supply aregulated DC 3. OV power to the Ext. Power Jack.
| TEACMTT-111 MTT- eae | P5ot 3,000Hz | 3,000Hz+3%
TEAC MTT- V1SC Azimuth Screw
otentiometer for:
- TUNER ADJUSTMENT
EQUIPMENT REQUIRED
AM Standard Signal Generator
FM Standard Signal Generator
Generator Scope
Loop Antenna
Ceramic Capacitor (1 O00pF) for FM IF Alignment
Dummy Antenna (750, unbalanced type) for FM
Oscilloscope
NOTE:
@ Use an alignment tool with plastic grip for all adjustments.
@ Supply a regulated DC 3V power to the Ext Power Jack.
- Tape Speed Adjustment
VTVM
Dummy Load (162)
Alignment Tool |
Before performing the adjustment, set the switches and
control as follows:
2: PURCHON SWITEMN asadasi acs Sasad Geen sie eee ae de's RADIO
* Band Select Switch ........... 0c. cee eee cece eee AM or FM
+. "Volume CONIO! 5 2cseccd sie iacstedeosvandients As desired