Yamaha DSP-AX620 Service Manual

ABCDEFGH
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2
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DSP-AX620
■ PRINTED CIRCUIT BOARD (Foil side)
E-65/J-63E-64/J-62
+DG +B3 –B2 E +B2 –B4 +B4
POWER ( 2 ) P. C. B.
TO : POWER (3)
FROM : POWER TRANSFORMER
AC3
AC3
AC2
E
AC2
W722
BL
POWER ( 3 ) P. C. B.
–12
+12
–5
+5
+5D
–12
+12
FROM : MAIN (6)
DG
+B3
–B2
E
+B2
–B4
+B4
TO : POWER (2)
PRY
PRY
S12
S12
MG
MG
FROM : MAIN (3)
FROM : POWER
CORD
AC OUTLETS
TO : POWER (5)
POWER ( 1 ) P. C. B.
● J, B, G models
BR GY
J, B only
G only
PRY
PRY
S12
S12
MG
MG
FROM : MAIN (3)
TO : POWER (6)
POWER ( 1 ) P. C. B.
● R, T models
AC OUTLETS
BR GY
FROM : POWER
CORD
Ref. No. Location
D722 G3
D723 G2
D741 B2/D2
D742 B2
D743 B2/E2
D744 B2/E2
D745 B2/E2
D746 B2/E2
D747 B2
D748 B2
Ref. No. Location
IC701 F5
IC702 F5
IC703 F5
IC704 F5
IC705 E5
● Semiconductor Location
Ref. No. Location
Q741 B2/E2
Q742 B2
Q743 B2
Q744 B2

Yamaha DSP-AX620 Specifications

General

Brand	Yamaha
Model	DSP-AX620
Category	Amplifier
Language	English