Yamaha DRX-1 Service Manual page 148

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A
B
DRX-1
1
SCHEMATIC DIAGRAM
IR AND STANDBY
1
2
IR and Standby Panel
2
3999
A
7141
PDTC124EU
3
B
4
C
1915
F300
1
NC
F301
2
5VSTBY
F302
stbyled
3
F303
I319
3142
key in
4
5
F304
47K
IRR
5
F305
6
D
F306
temp_sense
7
GND
CABLE TREE
6
GND
E
7
1
2
148
C
D
3
4
5VSTBY
5VSTBY
I310
3136
I312
7143
BC857BW
4K7
I314
3137
I313
7142
BC847BW
4K7
6140
LTL-14CHJ
GND
2
GND
5VSTBY
1
5VSTBY
I316
3149
I317
7144
BC857BW
4K7
I315
1140
3141
I318
7145
STBY
BC847BW
4K7
GND
5VSTBY
GND
7140
TSOP2236
I320
2 VS
CTRL
INP
CIRCUIT
1 OUT
BAND
DEM
AGC
PIN
PASS
3 GND
GND
GND
3
4
E
F
G
FRONT DV INPUT
0002 C3
1000 B1
0003 D3
1001 B2
1140 D2
1915 C1
2140 E2
3135 D1
3136 A3
DVIO FRONT BOARD
3137 B3
3138 C3
3139 C4
3140 D2
3141 D3
3142 D2
A
3143 A3
A
3144 A4
3149 C3
3999 A2
6140 B4
7140 D4
7141 A2
7142 B4
7143 A4
7144 C4
7145 D4
B
F300 C1
F301 C1
B
F302 C1
F303 D1
F304 D1
54030
F305 D1
F306 D1
I310 A4
I311 A2
I312 A3
I313 B3
I314 A4
C
I315 D4
I316 C4
C
6
I317 C3
I318 D3
I319 D2
GND1394
I320 D3
D
D
E
H
I
1002 A1
2001 A1
2003 D2
5000 B2
6000 A2
2000 A2
2002 D2
3000 D2
5001 C2
6001 C2
1
2
5V
1002
PH-S
1
2
GND
GND1394
GND
GND1394
1000
1001
1318141
1
5 6 7 8
5000
2
DLW31S
4
3
3
4
5001
2
1
5
DLW31S
6001
310412124452
0002
SM6T
4n7
2003
4n7
2002
EARTH SPRING
0003
1M
3000
GND1394
GND
1
2
J
3
A
B
GND1394
C
GND1394
D
GND
3

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