Yamaha MX-D1 Service Manual page 26

A B
MX-D1
I PRINTED CIRCUIT BOARD (Foil side)
1
FUNCTION (7) P. C. B.
(Lead Type Device)
2
1
BALANCE R
3 4
2
3
4
FUNCTION (4) P. C. B. (Lead Type Device)
SP OUT (L)
5
6
MAIN (L)
MAIN (L)
7
26
C D E
FUNCTION (3) P. C. B. (Lead Type Device)
UNBALANCE
R
MUTE
1R
2R
3R
PJSW
GND
MAIN (R)
FUNCTION (5) P. C. B. (Lead Type Device)
SP OUT (R)
MAIN (R)
MAIN (R)
F G
L
UNBAL BAL
1L
2L
3L
MAIN (L)
FUNCTION (2) P. C. B.
RS-232C
6 9
1 5
1
8
16
9
PJSW
GND
OPERATION (1)
H I
FUNCTION (6) P. C. B.
(Lead Type Device)
1
4 BALANCE L
3
2
(Lead Type Device)
IN OUT
3-30V +12V
AMP ID
THROUGH POWER
1 6
･ Semiconductor Location
Ref. No. Location
Q501 F3
OPERATION (1) Q502 E3
Q503 F4
Q504 D4
Q505 F4
Q506 D4
Q507 F4
J
Ref. No. Location Ref. No. Location
Q508 E4 Q515 D4
Q509 F3 Q516 D3
Q510 E3 Q517 G3
Q511 F4 Q518 F4
Q512 E4 Q519 D4
Q513 G3 Q520 D3
Q514 F4 Q523 I5