Yamaha ACD1 Service Manual page 120

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BRG CIRCUIT DIAGRAM (ACD1) 003
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to POWER SUPPLY UNIT-CN51
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REGULATOR +3.3V
DC-DC CONVERTER
DC-DC CONVERTER
SYSTEM RESET
Detection voltage: 4.5 V
（検出電圧 4.5V）
G F E
RB160L-40 (VS59760R)
DIODE
BRG: D301
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1: ANODE
2: CATHODE
PQ033Y3H3ZP (X2589A0R)
REGULATOR +3.3V
BRG: IC302
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1
1: DC INPUT
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2: DC OUTPUT
3: GND
4: VO (sense)
5: ON/OFF CONTROL
6: DC OUTPUT
LM2660MX/NOPB (X8745A00)
DC-DC CONVERTER
BRG: IC303, IC310
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1: FC
2: CAP+
3: GND
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2 4: CAP-
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4 5: OUT
6: LV
7: OSC
8: V+
Resistance power rating: 1/16 W for ones with no indication
（抵抗電力定格：無記入品＝1/16 W）
BRG CIRCUIT DIAGRAM (ACD1) 003
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ACD1