Block Diagram - Yamaha RX-V740 Service Manual

A B
1
I BLOCK DIAGRAM (2/2)
4 3
DVD
2 1
C-INPUT
SELECTOR
IC701
D-TV/CBL 4 3
2 1
Y-INPUT
SELECTOR
IC702
2
VCR1 4 3
2 1
VCR2/DVR 4 3
2 1
V-AUX 4 3
2 1
IC807
35/33 1/4
VCR1 4 3
3
2 1
IC807
23/25 14/11
4 3
VCR2/DVR
2 1
DVD
1, 2, 12, 14, 15
D-TV/CBL
4
VCR1
VCR2/DVR
V-AUX
IC802
13 4
VCR1
IC802
12 7
VCR2/DVR
5
Y
Cb/Pb
Cr/Pr
Y
13,12
SELECTOR
IC822
Cb
3,5
SELECTOR
6
IC822
Cr
1,2
SELECTOR
IC822
Y
Cb/Pb
Cr/Pr
7
C D
IC705
IC707
3 1
S-SIGNAL
Q703
DETECTOR
IC708
T701
Y/C
SEP
IC707
ON SCREEN
Y/C
IC
MIX
Q707-709 IC704
XL701
14.3181MHz
RX-V740/
RX-V740RDS/
DSP-AX740 only
INPUT
3
SELECTOR
IC801
except J model
IC821
14 4 13
Y
IC821
4
7 11
Cb/Pb
IC821
15
1 15
Cr/ Pr
E F
• See page 82~87 → SCHEMATIC DIAGRAM
FUNCTION
IC709
C
4 3
S-MONITOR
2 1
Y
IC709
except R, T, K models
IC802
1 15
MONITOR
G H
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
• See page 91 → SCHEMATIC DIAGRAM
8ohm/4ohm
RY701 F702 SW301
C316
BL
C314
C315
-BL
C317
SW301
8ohm/4ohm
IC402
+12
C423
C425
-12
IC403
IC404
+5
C427
C428
-5
IC405
C706
Power Detector
/Reset
Q701
Q601,602
C707
POWER POWER
DETECT
RELAY
• See page 92 → SCHEMATIC DIAGRAM
POWER
I J
RX-V740/RX-V740RDS/DSP-AX740
MAIN
+B
G
-B
-30 -VP
Q302
+12
G
-12
IC406
+5 +5D2
+5D1
+5V
-5V
FL1
FL2
IC602
+5M +5M
MG
RESET
55