Yamaha DSP-AX457 User Manual

2
ABCDEFGH I J
1
3
4
5
7
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
6
66
POWER (2) P.C.B. (Side A)
■ PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used
POWER (1) P.C.B. (Side A)
Ref. No. Location
D301 D4
D302 C4
D312 J3
D313 H3
IC301 E5
IC302 I5
IC303 I5
IC304 H5
IC305 G5
IC306 H5
Q301 D4
Q302 C4
Q303 E4
Q304 B4
Q305 C4
Q306 D4
Q307 C4
Q308 E4
Q309 B4
Q310 C4
Q311 D3
Q312 C3
Q313 E3
Q314 B3
Q315 C3
Q323 D4
Q325 D4
Q327 D3
• Semiconductor Location
FUNCTION
(CB308)
MAIN (1)
(W8)
MAIN (1)
(CB6)
SBL
SBR
FL
SL
C
FR
SR
E
E
E
E
E
E
FUNCTION
(CB307)
+3D
E
DG
DG
+5D
+5
-5
+12
-12
HPG
CONVERSION
(CB706)
-B2
+B2
DG
DG
E
+B1
PRV
NFSR VSR NFFR VFR NFC VC -12AMP +8V
MAIN (1)
(CB5)
MAIN (1)
(W15)
Power Transformer
NFSL VSL NFFL VFL NFSBR VSBR E -8V
PRV THM SBR_PRO
TP363 TP362 TP361 TP360 TP359 TP358
SBR_PRI
IC305
C343
RX-V457/HTR-5840/DSP-AX457
Circuit No. RX-V557/HTR-5850/DSP-AX557 RX-V457/HTR-5840/DSP-AX457
C343 X O
IC305 X O
R362 X O
W352 X O
X : NOT USED / O : USED

Yamaha DSP-AX457 Specifications

General

Brand	Yamaha
Model	DSP-AX457
Category	Amplifier
Language	English