Yamaha DRX-1 Service Manual page 169

A B
1
SCHEMATIC DIAGRAM
ANALOG: POWER SUPPLY
1 2
Power Supply
2
A
3
B
1932
EH-B
F3201 F9346
1
C
12V
F3202
4 2
5V
F3203
3
5NSTBY
F3204 F9347
4
VGNSTBY
F3205
5
33STBY
F3206
6
FLYB
F3207
7
GNDA
D
GNDA
5
I340
E
GNDA GNDA
6
F
7
1 2
C D
A, B, G model
3 4
7332
I345
1 3
IN OUT
GND
2
GNDA GNDA GNDA GNDA GNDA
5STBY
I341
7330
7331
BC847BW
BC847BW
GNDA GNDA
3 4
E F G
5 6 7
F9336
33STBY
I324
17.9V / 0V
5.3V / 0V
I339
12.3V / 0V
7324
PDTC124EU
GNDA GNDA GNDA
5SW
not used
5.2V / 0V
I326
3323
7322
BC847BW
10K
0V / 5.3V
GNDA
5 6 7
H I
8 9
PS
12STBY
8STBY
8SW
GNDA
1325
F9343 F9338 F9342 F9341
5SW
500mA
PSC
GNDA
1324
F9330 F9332 F9333
5STBY
1A
PSC
5STBY
I337
0V / 5.3V
I338
3335
7329
ISTBY
BC847BW
4K7
GNDA
8 9
J
DRX-1
1324 E8
1325 C8
1326 B2
1327 B2
1932 C1
1996 D4
2321 C6
A
2322 D6
2323 D6
2324 B3
2325 B4
2328 C8
2329 E2
2330 B3
2331 B4
2332 B8
3321 C7
3322 E6
3323 F6
B
3325 D6
3326 D7
3335 F9
3336 F8
3337 D6
3338 D3
3339 D2
3340 E2
4320 D4
7321 C5
7322 F6
7323 D5
C
7324 D7
7329 F8
7330 E2
7331 E3
7332 A4
F3201 C1
F3202 C1
F3203 C1
F3204 C1
F3205 C1
F3206 D1
D
F3207 D1
F9330 E8
F9332 E9
F9333 E9
F9336 B6
F9338 C8
F9340 B2
F9341 C9
F9342 C9
F9343 C8
F9344 A3
F9345 B3
E
F9346 C2
F9347 C2
I324 C6
I325 F6
I326 F6
I337 F8
I338 F8
I339 D6
I340 E2
I341 D3
I345 A4
F
169