Yamaha RX-V750 Service Manual page 86

A B C
RX-V750/DSP-AX750/DSP-AX750SE
RX-V650/HTR-5760
SCHEMATIC DIAGRAM (POWER & SUB TRANS)
1
2
53.8
L
0
0
s7
0
–0.6 –0.6
3
53.8
0
4
0
s7
0
–0.6
SBL
53.8
5
0
0
s8
6
53.8
SL
0
0
s8
7
53.8
C
0
0
s7
8
9
10
86
D E F
REGULATOR
11.9 19.3 5.0 10.7
0 0
5.0
0.9
0
0
–11.8 –20.3
53.8
0 0
s8
53.8
0 0
s8
Page 85 A-5 Page 85 A-1
Page 85 A-5
TO MAIN (1) CB6 TO MAIN (1) CB5 TO MAIN (1) W15
IC301 : LM61CIZ
Temperature Sensor
+Vs
Vout
GND
G H I
POWER SUPPLY
19.3
0 0
5.0 10.7
–20.3
0
TO POWER TRANSFORMER
10.7
0 0
–11.2
Page 85
TO MAIN (1) W8
RX-V750/DSP-AX750/DSP-AX750SE Page 87
1.1
0.5
–0.3 0
0.3
0
Page 85
0
TO MAIN (1) W12
–0.5
–1.0 –1.0
–53.2
–53.4
TO SUB TRANS CB407
POWER (1)
WC05070 WC05070
10/16 10/16 10/16 4.7/50
s7 C301, 303, 304
UU13710 UU13710 UU13710
WB71360
10/16 10/16 10/16
C302, 305, 336, 4.7/50
s8 UR83710 UR83710
UR83710 UR86647
337
X: NOT USED
O: USED / APPLICABLE
J K L
AC 31.2
AC 17.7 0
4.9
0 5.1
0
Page 85 G-10
TO MAIN (2) CB121
0.8
F-7
F-9
RX-V650/HTR-5760 Page 88 E-7
TO CONVERSION (1) CB706
SUB TRANS
D-10
Page 86 N-1
POWER (2)
TO POWER TRANSFORMER
M N O
POWER TRANSFORMER (U, C, T, K, A, B, G, E, J)
OR
TO POWER CABLE
POWER (2) W291 (R, L)
J model (AC56.8)
G model (AC158.3)
8.7
~
~
AC 8.1
0.5 ~
~ ~
~ ~
~ ~ ~ ~
~ ~
~ ~
0.7 1.2 9.9
0.1 9.9
X: NOT USED
O: USED / APPLICABLE
IC402 : TC4013BP
Dual D Flip Flop
1Q 1 14 VDD
Q
2
1Q Q 13 2Q
Q
3 12 2Q
1CP CP Q
1CL 4 11
CL CP 2CP
1DATA 5 D 10
CL 2CL
1PR 6 PR D 9 2DATA
VSS 7 PR 8 2PR
* All voltages are measured with a 10M Ω /V DC electronic volt meter.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to
those originally installed.
* Schematic diagram is subject to change without notice.
Z