Yamaha MCX-1000 Service Manual page 62

A B
MCX-1000
1
PRINTED CIRCUIT BOARD (Foil side)
OPERATION (5) P. C. B.
2
FL2
MAIN P.C.B.
FL1
+14V
VP
PMUTE
IDE_N_PON
PS_N_STANDBY
PS_FLOW
FAN
-5V
+3.3V
MAIN P.C.B.
GND
GND
3 +5V
MB3.3
MB5
+5V
HDD UNIT
GND
GND
+12V
4
+5V
CDR UNIT
GND
GND
+12V
5
6
7
62
C D E
(Lead Type Device)
GND
+12V
GY
BR (U, C, J models)
BE (G, B models)
RE (A model)
POWER TRANSFORMER
F G
FAN
YE
YE
NC
GR
GR
BR
BR
RE
RE
OPERATION (6) P. C. B.
BE
BE
(Lead Type Device)
POWER
TRANSFORMER
H I
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location
D400 C5 D417 C3 IC400
D401 C6 D419 B5 IC401
D402 F3 D421 B5 IC402
D403 C6 D422 B5 IC403
D404 E4 D427 E2 IC404
D405 E3 D428 E2 IC405
D406 F3 D429 E5 IC701
D407 F3 D702 I6 IC702
IC703
D411 C4 D703 I6
D412 C3 D704 I6 IC705
D413 E3 D705 I6 IC706
D415 C5 D706 H6 IC707
D416 C5 D707 H6 IC708
HPIN_L
OPERATION (4) P.C.B.
HPIN_R
HP_GND
+5VA
-5VA
VRI_L
VRO_L
VR_GND
VRI_R
VRO_R
VR_GND
33 1
MAIN P.C.B.
J
Ref. No. Location
F3 IC709 I5
C4 IC710 I5
C4 IC711 I6
C3 IC712 J5
C2 IC713 I5
E2 Q400 C5
H4 Q401 G3
H5 Q406 E2
H5 Q701 H4
H6 Q702 H4
H6 Q703 H4
H6 Q704 H4
H6 Q705 I6