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JVC JR-S300 Service Manual

JVC JR-S300
41 pages
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JR-S300
No.
2363
JAN
1976
INTEGRATED
STEREO
RECEIVER
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JVC JR-S300 Specifications

General IconGeneral
Input Sensitivity2.5mV (MM), 150mV (line)
Speaker Impedance4Ω to 16Ω
Output150mV (line)
Frequency Response20Hz to 20kHz
Damping factor40
Tuning rangeFM: 88 to 108 MHz, MW: 530 to 1600 kHz

Summary

1. Specifications

2. Removal of Top Cover and Bottom Plate

3. Main Parts Location and Part Numbers

4. Exploded View and Parts List

4-(1) Front Panel

Exploded view and parts list for the front panel assembly.

4-(2) Rear Panel

Exploded view and parts list for the rear panel assembly.

5. Dial Stringing Procedure

6. FM/AM Tuner Alignment Procedures

6-(1) FM Section

Procedures for FM discriminator, center meter, distortion, tracking, and sensitivity.

6-(2) AM Section

Procedures for AM tracking and sensitivity adjustments.

7. Power Amplifier Adjustment Procedures

7-(1) Center Voltage

Procedure to adjust the center voltage of the power amplifier.

7-(2) Idling Current

Procedure to adjust the idling current of the power amplifier.

8. Circuit Board Ass'y Locations and Parts List

8-(1) TFC-17 FM/AM Tuner & Equalizer Amp. C.B. Ass'y

Location and parts list for the FM/AM Tuner & Equalizer Amp. circuit board.

8-(2) TPS-52 Lamp C.B. Ass'y

Location and parts list for the Lamp circuit board assembly.

8-(3) TPS-53A AC Fuse C.B. Ass'y

Location and parts list for the AC Fuse circuit board assembly.

8-(4) TAD-173 Driver Amp. C.B. Ass'y

Location and parts list for the Driver Amplifier circuit board assembly.

8-(5) TAP-255 Power Supply, Pre & Power Amp. C.B. Ass'y

Location and parts list for the Power Supply, Pre & Power Amp. circuit board.

8-(6) TAC-402 S.E.A. (Sound Effect Amp.) C.B. Ass'y

Location and parts list for the S.E.A. (Sound Effect Amp.) circuit board.

8-(7) TAC-403 Speaker Switch C.B. Ass'y

Location and parts list for the Speaker Switch circuit board assembly.

9. Packing Materials List

10. Accessories List

11. Schematic Diagram

12. Parts List with Specified Numbers for Designated Areas

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