Yamaha ACD1, Service Manual

Page: 124 / 125

A B C D E F G H
1
2
3
4
5
6
DSP, JK, OPT
ACD1
ENT2 CIRCUIT DIAGRAM (ACD1)
ENT2 CIRCUIT DIAGRAM (ACD1)
28CC1-2001012677-2 14 1
: Not installed （未実装）
（抵抗電力定格：無記入品＝1/16 W）
Resistance power rating: 1/16 W for ones with no indication
（セラミックコンデンサー）
: Ceramic Capacitor
（チップ金属被膜抵抗） : Metal Film Resistor (chip)
OR
FET
INVERTER
GATE
INVERTER
GATE
VNP1
OR GATE
D-FF
D-FF
SDRAM 64M
REG1.8V
OR GATE
OR
D-FF
D-FF
TRANSCEIVER
TRANSCEIVER
TRANSCEIVER
TRANSCEIVER
TRANSCEIVER
AND GATE
D-FF
D-FF
PHY
to BRG-CN402
<Page 11: B-5>
Circuit board ID Circuit board version
μ
PC2918T-E1(X2157A00)
REG1.8V
ENT2: IC106
1
4
3
2
1: INPUT
2: GND
3: OUTPUT
4: GND
HZM6.2ZMFATR (WE972600)
ZENER DIODE
ENT2: DA101
5 4 3
1 2
1: CATHODE
2: CATHODE
3: CATHODE
4: ANODE
5: CATHODE
5
4
3
1
2
TPC6101 (V9421500)
FET
ENT2: IC105
1: DRAIN
2: DRAIN
3: GATE
4: SOURCE
5: DRAIN
6: DRAIN
1
1 2 3
6 5 4
2
3
6
5
4
TPC6107 (WK791100)
FET
ENT2: IC105
1: DRAIN
2: DRAIN
3: GATE
4: SOURCE
5: DRAIN
6: DRAIN
1
1 2 3
6 5 4
2
3
6
5
4