Yamaha ra 100 schematic

Page 1

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VOLUIIIE 2

AIOK A2 5K
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3 200K

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NOTES:
1.
. ALL CAPACITORS IN MFD. UNLESS OTHERWISE NOTED.

2
3.
4. TRANSISTORS

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UNIT II?

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ALL RESISTORS IN OHMS 1/4WATT UNLESS OTHERWISE NOTED.

ALL VOLTAGES MEASURED WITH A IOMQ/DC ELECTRONIC
VOLTMETER, WITH ALL CONTROLS SET AT MINIMUM.

TRI, 3,5: 2SC644
TR2, 4, 6: zscazs
RELAYS
SR-1: FUJITSU #474
SR-2: OMRON MHz/1v
TREMOLO TRANSFORMER
U.S. & CANADIAN MODELS: NOT PROVIDED

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Yamaha Combo Amplifier

GENERAL, EUROPEAN, SOUTH AFRICAN 8! AUSTRALIAN - .
. MODELS: REFER To PAGE 7 Model RA*1°0
., AC OUTLET ' ~ . ' ,
PROVIDED ON GENERAL MODEL ONLY Yamaha E"1'.*topa G . m .b .H o
..POWER SWITCH CIRCUIT . I '
7 EUROPEAN & AUSTRALIAN MODELS: REFER TO PAGE 7 GSB-01 9 1 o . 1 2 . 75

U.S. 81 CANADIAN MODELS: REFER TO PAGE 11