Idling Current Alignment; Input & Amplifier Pwb - Marantz PM5003 Service Manual

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2. IDLING CURRENT ALIGNMENT

Adjust the Idling Current with the variable resistor VR31 and
VR32 on the PWB.
CONTROLS SETTING :
TONE (BASS & TREBLE) : MID POSITION
BALANCE
VOLUME
LOUDNESS
SOURCE DIRECT
CN37
ADJUST DRIVER
VR31
ADJUST DRIVER
VR32
CN38
: MID POSITION
: MINIMUM POSITION
: OFF POSITION
: OFF POSITION
Adjustment
Measurement Point
VR
VR31
VR32
DC METER
INPUT & AMPLIFIER PWB
DC METER
アイドリング電流調整
2.
基板上
下図
の半固定抵抗
(
)
調整します
セッティング
:
TONE (BASS & TREBLE) :
BALANCE
VOLUME
LOUDNESS
SOURCE DIRECT
Measurement
Voltage
CN37
5 mV ± 0.5 mV
CN38
5 mV ± 0.5 mV
2
でアイドリング電流を
VR31
VR32
中間位置
中間位置
:
位置
: MIN
位置
: OFF
位置
: OFF

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