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
64
■ PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used
MAIN (1) P.C.B. (Side A)
PRI PRV PRD PLDET THM LC
POWER (1)
(CB355)
POWER (1)
(CB352)
SUBTRANS (2)
(CB453)
PRV THM PRD SBR-PRI
POWER (1)
(CB353)
-BV E VSBR NFSBR VFL NFFL VSL NFSL
+BV -12AMP VC NFC VFR NFFR VSR NFSR
POWER (1)
(CB359)
BE
MAIN (2) (W2B)
E E E
SR
MAIN (2)
(W4B)
R210
SL
MAIN (2)
(W3B)
FL
MAIN (2)
(W1B)
SBR
MAIN (2)
(W5B)
C
MAIN (2)
(W6B)
E
MAIN (2)
(W11B)
-B
MAIN (2)
(W9D)
+B
MAIN (2)
(W9C)
Circuit No. J, U, C, R, T, A K, B, G, L, E
C130, 131, 134-141 X O
TE120, 121 X O
X : NOT USED / O : USED
• Semiconductor Location
Ref. No. Location
Q12 E6
Q13 E5
Q15 I4
Q16A G6
Q16C H6
Q18A C6
Q18C D6
Q20A I6
Q20C I6
Q22A B6
Q22C B6
Q24A F6
Q24C G6
Q26A E6
Q26C E6
Q28 H5
Q29 D4
Q30 I4
Q31 B4
Q32 G5
Q33 E4
Q34 H4
Q35 G4
Q251 B3
Q252 C3
Q253 C3
Q254 B3
Q256 H5
Q257 D5
Q258 I5
Q259 B5
Q260 G5
Q261 E5
Q262 G5
Q263 C5
Q264 I5
Q265 B5
Q266 F5
Q267 D5
Ref. No. Location
D2 B3
D3 G5
D4 G5
D5 C5
D6 C5
D7 B4
D8 B4
D9 F5
D10 F4
D11 E5
D12 E5
D13 I4
D14 I4
D15 H5
D16 D5
D17 I4
D18 B5
D19 G5
D20 E5
D22 H3
D23 I4
D24 D4
D25 C4
D26 G4
D27 E4
D251 B3
D252 C3
D253 G5
D254 C5
Q1 C3
Q2 B3
Q3 H6
Q4 G5
Q5 D6
Q6 C5
Q7 I6
Q8 B6
Q9 B5
Q10 F6
Q11 F5

Yamaha DSP-AX457 Specifications

General

Brand	Yamaha
Model	DSP-AX457
Category	Amplifier
Language	English