2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
6
54
CD L/R
MD/CD-R L/R
PHONO L/R
PHONO EQ
IC311
DVD L/R
D-TV/CBL
VCR1 L/R
VCR2/DVR L/R
V-AUX L/R
INPUT
SELECTOR
/REC OUT
SELECTOR
IC301
MD/CD-R L/R
VCR1 L/R
VCR2/DVR L/R
ZONE2
SURROUND L/R
SUB
WOOFER
MAIN L/R
CENTER
90Hz
HPF
3
IC313
IC304
IC304
IC303
3/5
1/7
12/14
9/7
12/14
9/7
14
7
12
9
12
9
14
7
IC312
5
1
7
IC313
IC305
3/5
1/7
IC314
IC305
FL/FR
MAIN
L/R
C
SW
RC
RL/RR
A/D
AK4529VQ
IC605 1/2
4M DRAM
IC602
D/A
MAIN L/R
AK4381
IC606
D/A
-/RC
D/A
RL/RR
D/A
FL/FR
IC605 2/2
AK4529VQ
DUTY
CORRECTOR
DIGITAL OUT
MD/CD-R
TUNER L/R
MD/CD-R
DVD
D-TV/CBL
CD
DSP IC601
YSS938
SW(MIX)
IC319,320
2/6
1/7
IC315
-
IC319,320
3/5
1/7
IC611
Tone Control
Bass/Treble
VR611/VR612
3/5
1/7
IC612
MUTE
Q305,306
MUTE
Q309
2
IC317
-
MUTE
Q307,308
MUTE
Q312,313
2/6
1/7
IC318
-
MUTE
Q310
Power
Amp.
Power
Amp.
Power
Amp.
RC
SW
RL/RR
C
MAIN
L/R
MAIN L/R A
C
RL/RR
SW
IC302
PHONES
FM/AM
TUNER
(11)
7.2MHz
IR REMOTE
U501
POWER SW
SW571
FL DRIVER
IC501
FL DISPLAY
V501
KEY
SW502-515
VOLUME
SW576
POWER RELAY
THM
PRO
PRV
PR1
SPEAKER RELAY
MUTE CONTROL
POWER DETECT
RESET
+5M
SPEAKER RELAY
MUTE
CONTROL
MICRO
COMPUTER
IC601
XL601
16MHz
DSP
ON SCREEN
VOLUME
INPUT SELECTOR
TUNER
SERIAL
CONTROL
C716,708
C712
C713,705
C714,706
C601,603-605
C318,311
C310,309
C321
C505
C322
C506
C507
MAIN L/R B
C715,707
V-AUX
MAIN
u-COM
VOLUME
YAC520-EE2
IC306
VOLUME
YAC520-EE2
IC307
VOLUME
YAC520-EE2
IC309
BASSOUT:MAIN
CENTER:NONE
2
IC316
-
6
1
1
7
IC317
-
MAIN L/R
Power
Amp.
RC
C501,502
RY301
RY302
RY304
RY304
RY303
C323,324
C503,504
XL601
24.576MHz
INPUT SELECTOR
SW501
SHIFT REGISTER
IC310
SELECTOR
MUTE
Q551,552
HP
L/R
MUTE
Q303,304
MUTE CONTROL
VOLUME
YAC520-EE2
IC308
HP
Amp.
IC551
D/A
C/SW
DTS-ES/neo:6
DECODER
CS493264
IC607
LEVEL CONVERT
&
SIGNAL DETECT
DIR
INPUT
SELECTOR
REC OUT
SELECTOR
SOUND FIELD
PROCESSING
/
SPEAKER
CONFIGURATION
/
VIRTUAL
PROCESSING
/
HEADPHONE
PROCESSING
DOLBY
PRO
LOGIC
Ⅱ
/
DOLBY
DIGITAL
/
DTS
DECODER
MUTE
Q501-504
DSP
• See page 81
→
SCHEMATIC DIAGRAM
FUNCTION
• See page 82~87
→
SCHEMATIC DIAGRAM
OPERATION
• See page 88~89
→
SCHEMATIC DIAGRAM
OPERATION
• See page 88~89
→
SCHEMATIC DIAGRAM
MAIN
• See page 91
→
SCHEMATIC DIAGRAM
RX-V740/RX-V740RDS/DSP-AX740 only
DSP-AX640SE only
except DSP-AX640SE
U, C, A models only
■
BLOCK DIAGRAM (1/2)