Yamaha ICP1 Service Manual download pdf (Page 28)

ICP1

5

ABCDEFGH

2

1

3

6

4

5

to PN-CN101 (Page 8)

REGULATOR

+1.9V

REGULATOR

+3.3V

DC-DC

CONVERTER

■ DM CIRCUIT DIAGRAM 002

To PN (SW, LED), Power Supply

■ DM CIRCUIT DIAGRAM 002

28CC1-8832057-2 2

PQ070XZ01ZP (X3180A00)

REGULATOR

IC201

1: DC INPUT (Vin)

2: ON/OFF cont.(Vc)

3: DC OUTPUT (Vo)

4: VC(V

ADJ)

5: GND

1

2

3

4

5

PQ033Y3H3ZP(X2589A00)

REGULATOR +3.3V

IC202

1: DC INPUT

2: DC OUTPUT

3: GND

4: VO (sense)

5: ON/OFF CONTROL

6: DC OUTPUT

1

5

6

LM2673SX-ADJ (X4966A00)

DC-DC CONVERTER

IC203

1

2

3

4

5

6

7

Tab is

Ground

1: SWITCH

OUTPUT

2: INPUT

3: C BOOST

4: GROUND

5: CURRENT ADJUST

6: FEEDBACK

7: SOFTSTART

RB060L-40

(

V4766800

)

DIODE

1: ANODE

2: CATHODE

2

1

D3FP3

(

VZ016600

)

DIODE

1: ANODE

2: CATHODE

2

1

XX：not installed（未実装部品）

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