Alignments; Adjustment Procedure; Dc Offset Voltage Adjustment - Marantz PM-11S1/F1N /K1G /L1G /N1G /S1G/N1S Service Manual

3. ALIGNMENTS

Adjustment Procedure

Set the power voltage to rated voltage for this adjustment

DC Offset Voltage Adjustment

Digital Voltmeter
R ch
3 3
2 1 2 1
P701 ( Rch )
1. Before turning on the power,
Insert Digital Voltage Meter between the SPEAKER
SYSTEMS A (L CH) "+" and "–".
Insert Digital Voltage Meter between the SPEAKER
SYSTEMS R (R CH) "+" and "–".
2. Turn on the power, VOLUME is set as
3. Press the SPEAKER A button.
4. After turn on the power and 2 minutes pass, first L CH is
adjusted.
The variable resistor R608 on P601 is turned with
adjustment driver, and the Digital Voltage Meter is adjusted
to "0mV±3mV".
5. Then, R CH is adjusted.
The variable resistor R708 on P701 is turned with
adjustment driver, and the Digital Voltage Meter is adjusted
to "0mV±3mV".
INTEGRARED AMPLIFIER PM-11S1
DISPLAY
TONE
SPEAKER
A
INPUT
SELECTOR
SPEAKER PHONES
B
POWER
SPEAKER A
ON/OFF
AC IN
R708
.
ATT.
PRE OUT
OPERATE
REC OUT
VOLUME
POWER ON/OFF
PHONO
MC
VOLUME
3 3
2 1 2 1
R608
2
Digital Voltmeter
L ch
AC IN
P601 ( Lch )