A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
53
■
BLOCK DIAGRAM (2/2)
RX-V557/HTR-5850/DSP-AX557
V
14
14
15
S-Video
D-Tarminal Component
POWER
TRANSFORMER
Composite
Y
C
COMPOSITE
MONITOR OUT
S-VIDEO
MONITOR OUT
Y
Y,Cr,Cb
C
Y
C
+B
G
-B
+BL
G
-BL
-VP
+12
G
-12
+9V
+5V
+5D
+3.3D
G
-5V
FL1
FL2
+5.5V
IC452
+5V
IC22
+3.3V
IC21
+5V
IC27
+5V
IC304
+12V
IC302
-30V
Q120
-12V
IC303
+3.3V
IC306
+5V
IC713
+9V
IC712
-5V
IC714
Q501
D451
D452
D453
G
+5S
+5M
+5BU
s10
+5BUS
+5X
+3.3X
G
XMPWR
Input
Selector
LA7956
IC901
Input
Selector
74HC4052
IC701,702,
704
D-Tarminal
MONITOR OUT
Component
MONITOR OUT
IC703
1,3,51
3,11,9
NJM2581M
Selector
74HC4053
IC606
V-AUX
DVD
DTV/CBL
VCR
VCR
DVD
DTV/CBL
VCR
VCR
1
2
43
1
2
43
1
2
43
1
2
43
1
2
43
Y
C
1
12
13
IC607
TK15420MTL
1
2
15
3
1
12
13
Q903
Q605
Q606
KEY
SW806-812, 814, 816-819, 824
SW803-819, 823, 824, 866, 867 (HTR-5850)
Input
Selector
LA7956
IC601,602
DVD
DTV/CBL
DVD
DTV/CBL
Y,Cr,Cb
Y,Cr,Cb
L1,L2,L3
Y/C Mix
Q610,611
Selector
74HC4053
IC606
Selector
74HC4053
IC603
IC608(1/2)
IC608(2/2)
TK15420MTL
TK15420MTL
Y/C Sep
TC90A49F
IC705
Chroma
Decoder
TA1270BF
IC711
1H Delay
Line
TA8772AN
IC710
POWER RELEY
70
SPEAKER RELEY
71,72,76,77,78
MUTE CONTROL
38,39,40,42,43
81
POWER SAVE
79
/4ohms
59
XMPWR
MICRO COMPUTER
M30622
IC451
IR REMOTE
U801
POWER SW
SW861
VOLUME
SW801
INPUT SELECTOR
SW802
TONE CONTROL/ DSP PROGRAM
SW803 (RX-V557)
83,100,
1,2
86,87
94,95
15
13
84,85
88,89
74
75
XL451
16MHz
SERIAL CONTROL
VIDEO
DSP
TUNER/RDS/XM
ZONE2 SELECTOR
SELECTOR/VOLUME
PRI
PRV
PRD
PLDET
THM
POWER
DETECT
/RESET
80
90
91
92
93
73
12
FL DISPLAY
V801
FL DRIVER
IC801
D408
D410
T401
Q401
Q404
C412
D21
C33
D313
C368
C367
D312
C366
C365
D141-144
D133
C133
C132
C119
C118
C117
C116
RY401
RY126
RY126
/ 4ohms
RY401
TE401
F2/ J401
F1
IC401,402,
403
Power
Detector
/Reset
POWER RELAY
POWER SAVE
(R, T, A, B, G, E, L models)
(J model)
(J models)
RX-V557 (U, C, A, B, G, E models)
(U, C models)
XM
• See page 88
→
SCHEMATIC DIAGRAM
• See page 88
→
SCHEMATIC DIAGRAM
• See page 91
→
SCHEMATIC DIAGRAM
• See page 84
→
SCHEMATIC DIAGRAM
POWER
• See page 87
→
SCHEMATIC DIAGRAM
• See page 93
→
SCHEMATIC DIAGRAM
• See page 88
→
SCHEMATIC DIAGRAM
• See page 84
→
SCHEMATIC DIAGRAM
MAIN (2)
• See page 86
→
SCHEMATIC DIAGRAM
POWER
• See page 87
→
SCHEMATIC DIAGRAM
OPERATION (4)
OPERATION (1)
• See page 84
→
SCHEMATIC DIAGRAM
OPERATION (2)
SUBTRANS (3)
SUBTRANS (6)
SUBTRANS (2)
• See page 88
→
SCHEMATIC DIAGRAM
SUBTRANS (1)
• See page 88
→
SCHEMATIC DIAGRAM
SUBTRANS (2)
CONVERSION
CONVERSION
• See page 91
→
SCHEMATIC DIAGRAM