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- SERVICING NOTES
- GENERAL
- Location of Controls
- Setting the Time
- DISASSEMBLY
- TEST MODE
- MECHANICAL ADJUSTMENTS
- ELECTRICAL ADJUSTMENTS
- DECK Section
- TUNER Section
- CD Section
- DIAGRAMS
- Block Diagram - TUNER Section (AEP, UK, German Models Only)
- Block Diagram - TUNER Section (East European, CIS Models Only)
- Block Diagram - CD MECHANISM DECK Section
- Block Diagram - TAPE DECK Section
- Block Diagram - MAIN Section
- Block Diagram - DISPLAY/KEY CONTROL/POWER SUPPLY Section
- Schematic Diagram - TUNER Section (AEP, UK, German Models Only)
- Printed Wiring Board - TUNER Section (AEP, UK, German Models Only)
- Printed Wiring Board - TUNER Section (East European, CIS Models Only)
- Schematic Diagram - TUNER Section (East European, CIS Models Only)
- Printed Wiring Board - CD Section
- Schematic Diagram - CD Section
- Printed Wiring Boards - CD MOTOR Section
- Schematic Diagram - CD MOTOR Section
- Printed Wiring Board - TAPE DECK Section
- Schematic Diagram - TAPE DECK Section
- Printed Wiring Board - LEAF SW Section
- Schematic Diagram - LEAF SW Section
- Printed Wiring Board - MAIN Section
- Schematic Diagram - MAIN Section (1/4)
- Schematic Diagram - MAIN Section (2/4)
- Schematic Diagram - MAIN Section (3/4)
- Schematic Diagram - MAIN Section (4/4)
- Printed Wiring Board - PANEL Section
- Schematic Diagram - PANEL Section
- Printed Wiring Board - CD - SW Section
- Schematic Diagram - CD - SW Section
- Printed Wiring Board - HP Section
- Schematic Diagram - HP Section
- Printed Wiring Board - POWER AMP Section
- Schematic Diagram - POWER AMP Section
- Printed Wiring Board - TRANSFORMER Section
- Schematic Diagram - TRANSFORMER Section
- IC Pin Function Description
- EXPLODED VIEWS
- ELECTRICAL PARTS LIST
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TUNER SECTION
0 dB=1µV
AM Tuning Voltage Adjustment
Main board TP1 F G VT DC voltmeter
+ �
Procedure: 1. Set the reception frequency of the unit to 530 kHz. 2. Adjust L105 for 1.2 ± 0.05 V reading on the DC voltmeter. 3. Set the reception frequency of the unit to 1,710 kHz. 4. Confirm that the voltage reading on the DC voltmeter is within 8.0 ± 0.5 V. Adjustment Location: MAIN board (See page 12) AM Tracking Adjustment
loop antenna loop antenna (Supplied accessories)
AM RF SSG set 30% amplitude modulation by 400 Hz signal AM ANTENNA terminal (JK101)
60 cm
Field strength dB (µV/m) =SSG output level dB (µV/m) �26 dB.
Procedure: 1. Tune the set to 600 kHz. 2. Set the output of AM RF SSG so that the input level of the set will become 60 dB (µV/m). 3. Adjust L104 so that when the waveform on the oscilloscope is maximum, no noise appears. 4. Tune the set to 1,400 kHz.
5.
Adjust CT102 so that when the waveform on the oscilloscope is maximum, no noise appears.
� Repeat the procedures in each adjustment several times, and the tracking adjustment should be finally done by the trimmer capacitors. Adjustment Location: MAIN board (See page 12)
FM Tuning Voltage Adjustment
Main board TP1 IF G VT DC voltmeter
+ �
Procedure : 1. Set the reception frequency of the unit to 87.5 MHz. 2. Adjust L103 for 1.2 ± 0.05V reading on the DC voltmeter. 3. Set the reception frequency of the unit to 108 MHz. 4. Confirm that the voltage reading on the DC voltmeter is within 7.8 ± 0.5V. Adjustment Location: MAIN board (See page 12)
� 11 �
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