MARANTZ SR6300
Manual de Servicio

8. SERVICE PROCEDURE
MICRO-COMPUTER
To check the microcomputer firmware version, press 6.1 CH IN button and SLEEP button simultaneously while

2-2. AM(MW) Alignment Output of signal generator should not be greater than necessary to obtain an optimum output reading. Signal generator modulation ................................................................. 30% Signal frequency ................................................................................ 400Hz Modulation frequency ........................................... 603, 999, 1404kHz (/A/K/N) Modulation frequency ............................................ 600, 1000, 1400kHz (/U) Switch ........................................................... press the BAND Button to AM

power is on. The version number is shown on the main display of the unit. Ex. V 020716 01

TUNER 1. Requried Equipments
- AM Standard Signal Generator (AM SSG) - Oscilloscope - AC Voltmeter - FM Standard Signal Generator (FM SSG) - Stereo Modulator - Audio Generator - Distortion Meter - DC Voltmeter - Frequency Counter

Step 1

Subject Tunning voltage

Signal generator setting 522kHz (/A/K/N) 520kHz (/U) 603kHz (/A/K/N) 600kHz (/U)

Set frequency setting 522kHz (/A/K/N) 520kHz (/U) 603kHz (/A/K/N) 600kHz (/U) 603kHz (/A/K/N) 600kHz (/U) 999kHz (/A/K/N) 1000kHz (/U)

Equipment connection DC voltmeter

Adjustment point RF BLOCK OSC coil

Adjust for 522 kHz : 1.0 ~ 1.3V 1611 kHz : 7.0 ~ 8.5V

2
Note : Disconnect external FM antenna prior to alignment.

IF Tracking

AC voltmeter oscilloscope tape monitor L/R AC voltmeter oscilloscope tape monitor L/R AC voltmeter oscilloscope tape monitor L/R

IF BLOCK Coil KSNT-111I

Maximize audio output

2. Alignment

2-1. Alignment Test Points

3

RF Tracking

603kHz (/A/K/N) 600kHz (/U)

RF BLOCK ANT coil

Maximize audio output Repeat LOW, HIGH frequency

4

Seek level

999kHz (/A/K/N) 1000kHz (/U)

SVR 03

Tuned on point

2-3. LW Alignment (/A/N) Output of signal generator should not be greater than necessary to obtain an optimum output reading. Signal generator modulation ................................................................. 30% Signal frequency ................................................................................ 400Hz Modulation frequency ....................................................... 162, 207, 252kHz Switch ........................................................... press the BAND Button to LW

Step 1

Subject Tunning voltage

Signal generator setting 152kHz

Set frequency setting 152kHz

Equipment connection DC voltmeter

Adjustment point RF BLOCK OSC coil

Adjust for 522 kHz : 1.5 ~ 2.3V 1611 kHz : 6.0 ~ 7.5V

2

RF Tracking

162kHz

162kHz

AC voltmeter oscilloscope tape monitor L/R AC voltmeter oscilloscope tape monitor L/R

RF BLOCK ANT coil

Maximize audio output Repeat LOW, HIGH frequency

3

Seek level

207kHz

207kHz

Tuned on point

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