Control/Power Block Diagram; Operation - Yamaha RX-V459 Service Manual

A B
1

OPERATION

• See page 73 →
SCHEMATIC DIAGRAM
2
IR REMOTE
U3000
VOLUME
SW300
INPUT SELECTOR
SW301
3
TONE CONTROL/ DSP PROGRAM
SW302
MAIN POWER SW
SW323
4
Tack SW
SW302, 304, 306, 309- 319, 321, 322, 324
FL DISPLAY
FL DRIVER
V3000 IC301
5
6
7
C D

CONTROL/POWER BLOCK DIAGRAM

98
63/ 64
58/ 59
60/ 62
Microprocessor
M30627
IC2
97
125/ 126
3/ 4/ 5/ 57
XL1
18 20
16MHz
RY301 F3001
Power Detector
IC300, 302, 303
/Reset
Q3006, 3002
T3000 s10
POWER RELAY
E F G
POWER
• See page 69-71 →
DSP TRANSFORMER
SCHEMATIC DIAGRAM
6
LIMITER CONTROL
55
POWER RELAY
51/ 50/ 49/ 48/ 46
SPEAKER RELAY
100- 104
MUTE CONTROL
54
POWER SAVE
47
/4ohms
7
XMPWR
8-10/ 15/ 16/ 23/ 24/ 26- 31
DSP
12/ 42- 45
Net-module
34/ 35
XM
69/ 84/ 86/ 88/ 89/ 117
RDS
83/ 90- 95
TUNER
25/ 65- 68, 70- 74, 76- 81
VIDEO SELECTOR
115/ 116/ 111- 117
SELECTOR/VOLUME
D3
+5BU
D2
+5.5V
+5M
IC1
D1
Q1
U, C models
+5S
G
POWER SAVE
H I
/4ohms
RY105
RY105
-30V
Q1068
+12V
IC104
-12V
IC105
+5V
• See page 74 →
IC51
MAIN
SCHEMATIC DIAGRAM
DSP
• See page 69-71→
SCHEMATIC DIAGRAM
+5V
IC102
+3.3V
IC54
+1.2V
IC53
+3.3V
IC306
-5V
IC103
+5V
IC106
+5.3V
IC100
XMPWR
J
+B
G
-B
+BL
G
-BL
-VP
FL1
FL2
+12
G
-12
+5A
E
+5D
+3.3V
+1.2V
DG
+3.3D
G
-5V
+5V
VE
+5.3X
XGND