Power Section Block Diagram - Yamaha RX-V3900 Service Manual

A B
1
• See page 154 →
POWER (1)
SCHEMATIC DIAGRAM
Primary Relay
T1
Sub Trans
AC IN
2
PRY
RY 1
For Microprocessor M32C and
CEC Standby
Marking
3
PS Protection Level Detect
PS Protection Short Detect
DC Protection Level Detect
I Protection Detect
Output Level Detect
Blue Microprocessor Monitor Line
Blue Power Supply Name
Red Microprocessor Control Line
4
Control Block
DEST
PDET
Main Microprocessor
/RES IC402
PRV1
Main Trans
PRV2
PRVS
THM1
THM2
PRI
5
PRD
OUTLVL
6
7
C D

POWER SECTION BLOCK DIAGRAM

PCB-POWER (1)
• See page 148, 149 →
FUNCTION (1)
SCHEMATIC DIAGRAM
DEST
PDET
/RES
D11 Main Microprocessor
IC407 Q4005/4006
+5.6M/+5M/+5M2 +5SPC
Regulator
Regulator
ON/OFF
SPC
Front Panel
Master SW,
Power SW (Main and Zone),
Key Switch
PCB-POWER (2)
For Digital and Video Circuit
D13
PCB-OPE
Q554
-VP IC6
Regulator FL Driver
+5VA
Regulator
ON/OFF
D35/39/40/41
VPOWER
IC5
• See page 154 →
+9VA
POWER (2) Regulator
SCHEMATIC DIAGRAM ON/OFF
VPOWER
D14
Q9
For Video Circuit
-5VA
Regulator
ON/OFF
VPOWER
D15
IC4
For iPod
+5I
Regulator
PCB-POWER (3)
D20
IC15/16
For Analog Audio
+/-12RY
Regulator
I_PRT (PRI)
Q21/22
Over Voltage Detect
+/-12A
Regulator
Q20
J29 +5A
Regulator
(R, T, K, A, B, G, E, L, J models)
• See page 154 →
POWER (3)
SCHEMATIC DIAGRAM
(R, T, K, A, B, G, E, L, J models)
D19
: For HD-RADIO
U, C models
IC7
R, T, K, A, B, G, E, L, J models : For Analog Audio +3.3HD
Regulator
(U model)
D110
+/-B1 for Main 7ch Amplifier
RYBM
Q266/267
Limiter
Voltage
For Power Amplifier
Control
RYBL
LMTCNT
E F
PCB-FUNC (1) D-VIDEO
• See page 157-166 →
SCHEMATIC DIAGRAM
IC402
DCCNVT (1)
• See page 170 →
SCHEMATIC DIAGRAM
+3DSW
PCB-POWER (3)
+4DSW
PCB-DCCNVT (1)
+6DSW
[DC-DC Converter Block]
+6DSW
4ch DC-DC Converter
+2DSW
+2DSW
PCB-AVIDEO
[Analog Video Block]
Cmpst/S Video
Cmpnt/S Video
Video Encoder/Decoder
PRVS (PS3_PRT)
PCB-DSP
iPod Dock
[iPod Dock]
PCB-MAIN
SP Relay
and
Amp. Relay
PCB-DSP and FUNC
Analog Audio Block ADC/DAC Block
PCB-FUNC PCB-DSP
Input Selector Audio AD Converter
Volume Control Audio DA Converter
Zone Function
HD-RADIO Module
(U model) MAIN (1)
HD-RADIO Unit
• See page 153 →
SCHEMATIC DIAGRAM
PRV1 (PS1_PRT)
PCB-MAIN (2)
7ch Power Amplifier
Power Amp. Power Amp.
Sub 2ch Sub 2ch
+/-LB
• See page 153 →
MAIN (2)
SCHEMATIC DIAGRAM
THM2
THM1
G H
[HDMI Interface Block]
HDMI Equalizer
+1.8EQ
Regulator
HDMI Repeater
HDMI Transmitter
CEC Microprocessor
IC122
+3.3EQ
+5HSTBY
Regulator [Digital Video Block]
Regulator
ON/OFF
GUI Controller
Video Encoder/Decoder
CEC_PON
Digital Video Processor
+5H
Regulator
[Microprocessor Block]
Microprocessor VNP2
+3.3
Regulator
+1.8
Regulator
+2.5
Regulator
+1.2
Regulator
+1.0
Regulator Regulator
+5 (USB)
Regulator
[Digital Audio Block]
+1.2D1&2
Regulator
+3.3D
Regulator
+5D
Regulator
+5.3XM
Regulator
ON/OFF
XMPOW
PRV1 (PS1_PRT) DSP
• See page 145-147 →
SCHEMATIC DIAGRAM
SPZ2
PCB-MAIN (1)
SPSb
Power Amp. Power Amp.
Main 7ch Main 7ch SPZ3
SPSr
IC14
THM
Sensor
IC13
SPF
THM
Sensor
Heat Sink
SPC
I J
RX-V3900/DSP-AX3900
PCB-DVIDEO
USB/PHY
FPGA
NPGA
PCB-DSP
Audio DSP
DIR
XM
Antenna
SP1 PRES/ZONE L
SP1 PRES/ZONE R
SUR. BACK L
SUR. BACK R
SP2: Zone2/3 L
SP2: Zone2/3 R
SURROUND L
SURROUND R
FRONT L
FRONT R
CENTER
107