Yamaha RX-777 Service Manual page 15

A B
1
PRINTED CIRCUIT BOARD (Foil side)
OPERATION (2) P. C. B.
TO : OPERATION (8)
2
VRP
VRG
VRup
VRdn
LED2
LED1
R1
E
R2
E
L2
E
L1
3
4
CD DIRECT AMP
OPERATION (4) P. C. B.
5
TO : MAIN (1)
LDL1
LDL2
E
LDR2
6
LDR1
7
BALANCE
C D
PURE DIRECT
TOL
TIL+
TIL-
E FROM : OPERATION (2)
TIR-
TIR+
TOR
TO : OPERATION (6)
TREBLE BASS
E F
TO : INPUT (1)
VRP
VRG
VRup
VRdn
LED2
FROM : OPERATION (2) LED1
R1
E
R2
E
L2
E
L1
ELED
+15
-15
E
R
E
L TO : MAIN (1)
E
VRG
VRP
TOL
TIL+
TIL-
E TO : OPERATION (4)
TIR-
TIR+
TOR
OPERATION (5) P. C. B.
LDL1
LDL2
E
LDR2
LDR1
HL
E
HR
DG
B
A
FROM : OPERATION (4)
LOUDNESS
17
G H
OPERATION (3) P. C. B.
VOLUME
OPERATION (6) P. C. B.
HL
E
HR
DG
B
A
FROM : OPERATION (4)
B A
SPEAKERS
I J
RX-777
• Semiconductor Location
Ref. No. Location
D404 H2
IC401 C3
IC405 H2
IC406 B6
Q401 B2
PHONES
18