Yamaha RX-V750 Service Manual page 65
Av receiver/av amplifier
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Also See for RX-V750:
- Service manual (128 pages) ,
- Owner's manual (92 pages) ,
- Supplementary manual (40 pages)
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A
B
PRINTED CIRCUIT BOARD (Foil side)
1
FUNCTION (2) P.C.B.
(Lead Type Device)
2
3
FUNCTION (2) P.C.B.
(Surface Mount Device)
4
5
6
C
FUNCTION (1)
FUNCTION (3)
CB602
CONVERSION (1)
FUNCTION (4)
CB704
CB901
MAIN (1)
FUNCTION (5)
CB3
CB461
RX-V750 (U, C, A)
RX-V650 (U, C, A) only
2
31
30
50
24
13
51
12
1
80 81
3 CH1
3 CH2
D
E
CB303
FUNCTION (1)
CB304
OPERATION (1)
CB801
1
RX-V650, HTR-5760 only
100
F
G
RX-V750/DSP-AX750/DSP-AX750SE
Point e
CH 1 : Cathode of D501
CH 2 : Pin 12 of IC502
V : 5V/div (CH 1)
Point w (Pin 13 of IC502)
V : 5V/div (CH 2)
V : 2V/div, H : 40nsec/div
DC, 1 : 1 probe, H : 4.0sec/div
DC, 1 : 1 probe
CH 1
0V
CH 2
↑
AC POWER ON
(Connect the power cable)
V750, V650
AX750SE
V750
Circuit No.
U, C
R, L
T, K
A
B
G
R549
X
X
O
O
O
O
R553
O
X
X
X
X
X
R552
O
O
X
X
X
X
R555
X
O
O
O
O
O
R501
X
X
X
X
O
X
R502, 586–588
O
O
O
O
X
O
CB501
O
O
O
O
X
O
C516–522, 524
O
O
O
O
X
O
Q507
O
O
O
O
X
O
D508
O
O
O
O
X
O
J501
O
O
O
O
O
X
R561, 589–597
X
X
X
X
X
O
IC503
X
X
X
X
X
O
XL502
X
X
X
X
X
O
C525–534
X
X
X
X
X
O
L501
X
X
X
X
X
O
Q508
X
X
X
X
X
O
Q503
O
X
X
O
X
X
C512
O
X
X
O
X
X
R566, 571, 577
O
X
X
O
X
X
W503
O
X
X
O
X
X
C523
O
O
O
O
X
O
X: NOT USED
O: USED/APPLICABLE
H
RX-V650/HTR-5760
↑
AC POWER OFF
(Disconnect the power cable)
V650
AX750
HTR-5760
B, G, E
J
U, C
T, K
A
O
O
X
O
O
X
O
O
X
X
X
X
O
X
X
O
X
X
O
O
X
X
X
X
X
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
X
O
O
O
O
O
X
X
X
X
O
X
X
X
X
O
X
X
X
X
O
X
X
X
X
O
X
X
X
X
O
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
O
O
O
O
O
65
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