SCHEMATIC DIAGRAMS
HOME THEATER DVD-AUDIO/VIDEO RECEIVER
RX-DV31SL
CD-ROM No.SML200307
Area suffix
J ----------------------------- U.S.A.
C -------------------------- Canada
Contents
Block diagrams
Standard schematic diagrams
Printed circuit boards
RX-DV31 HOME THEATER DVD-AUDIO/VIDEO RECEIVER
DVD/SUPER VCD/VCD/CD
CO M P A C T
SU P E R V I D E O
2-1
2-4
2-14 to 20
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
No.22023SCH
2003/7
RX-DV31SL
In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)
Block diagrams
Overall block diagram
RX-DV31SL
DVD servo board
DVD traverse
5
mechanism
CN101
IC101
FRONT END
PROCESSOR
DVD traverse
mechanism
CN201
IC201
DRIVER
DVD loader
mechanism
CN202
4
IC251
SPINDLE
MOTOR
DRIVER
Power board & sub trans. board
TA101,TA102
AC IN
T101
T121
Tr an s .
IC451
EEPROM
IC401
UNIT CPU
IC301
SODC
IC505
DRAM
IC501
PANTERA-2
REG.
IC509
FLASH
ROM
CN502
CN503
CN113
CN115
Main board,Video input/output board
IC401
VIDEO
DRIVER
CN512
CN513
REG.
CN125
IC404
VIDEO
SW3
IC403
VIDEO
SW2
IC402
VIDEO
SW1
Cb
Cr
Y
J401
COMPONENT
VIDEO OUT
J404
Y
S-VIDEO
VCR OUT,
MONITOR OUT
C
J402
COMPOSITE
VCR OUT,
V
MONITOR OUT
Y
J403
S-VIDEO
VCR IN,STB
C
J405
COMPOSITE
V
VCR IN,STB
CN911
CN912
CN212
DAC board
IC901
FRONT ch
VOLUME
IC931
SURR ch
VOLUME
CN901
IC961
CENTER
CN902
/SW ch
VOLUME
Amplifier board
CN202
PROTECTOR
3
CN122
Fan
motor
FL board
IC702
Remocon
receiver
2
POWER
switch
IC701
PA NE LE
MICOM
DI701
FL DISPLAY
F1,F2
-VPP
D+5V
CN701
CN114
IC761
SYSTEM
MICOM
CN301
TO
TUNER UNIT
J791
AV
COMPULINK
IC301
ANALOG
SW/
VOLUME
CN614
CN602
CN231
CN203,CN204 CN203,CN204
POWER AMP.
MAIN AMP.
ST201,ST202
IC201
L/Rch
IC202
CN201
DSP board
STANDBY
LED
Headphone board
CN612
CN601
IC681
DSP
MICOM
IC631
DIR&DSP
IC601
CODEC
IC641
SRAM
IC611,IC612
J281
1
HEADPHONE
FW281
CN291
SELECTOR
J601
COAX
DUGITAL IN
UN661
OPT
DIGITAL IN
UN662
OPT
DIGITAL OUT
AB CD E F G
2-1
RX-DV31SL
RX-DV31SL
5
4
3
2
System control section
Main board
TO
TUNER
TUDATA_IN
TUDATA_OUT
TO
DVD servo
section CN503
DISK_STOP
DISC_SET
TO
DVD servo
section CN502
TO
FL display s
ection CN701
M_COMMAND
M_STATUS
STANDBY_LED
TUCLK
TUCE
SPDIF
SCLK
INTP
U2SDT
S2UDT
CS
CPURST
SWUPDN
SWOPEN
/LMUTE
TCLOSE
TOPEN
M_CLK
M_CS
M_BUSY
M_RESET
CN301
4
3
2
1
CN513
14
16
17
18
19
20
21
23
25
CN512
19
20
21
23
25
CN114
1
2
3
4
5
6
7
X761
OSC
8MHz
70,72 to 74
13
12
76
21 to 26
82,83
94 to 98
18 to 20,30
79,91,92
IC761
SYSTEM MICOM
34,35
44 to 42
38 to 40,51
3,4
87 to 90
RESET
33
28
54 to 58
45 to 47
VOL_CLK
VOL_LATCH
VOL_DATA
VIDEO-YCMIX
VIDEO-MUTE2
VIDEO-MUTE1
VIDEO-RGB
F1RY,F2RY
CRY,RRY
ANALOG
VOLUME
IC401
VIDEO
DRIVER
IC763,Q765
RESET
Q760,Q767
Q768,Q769
RELAY
IC301
SW/
TO
DSP section
CN601
CN612
12
SPDIF
DSP_CLK
9
DSP_STAT
8
DSP_COM
7
DSP_RDY
6
DSP_RST
5
TO
Video input/output
section CN402
CN412
VCRSC
8
DBRSC
7
VSW1
6
VSW2
5
VSW3
4
VSW4
3
TO
Power amplifier
section CN252
CN212
PROTECT
7
FRT1RELAY
6
FRT2RELAY
5
CNTRELAY
4
REARRELAY
3
Video input/output section
Main board
IC761
SYSTEM
MICON
TO
DVD servo
section CN502
CN512
Yout
16
14
Cout
12
Cbout
10
Crout
IC401
VIDEO
DRIVER
Y2_OUT
CB_OUT
CR_OUT
CMS_OUT
C_OUT
Y1_OUT
VSW1
VSW2
VSW3
VSW4
J401
Y
Cb
Cr
CN412
14
12
10
6
5
4
3
Video input/output board
CN402
3
5
7
10
11
12
13
VIDEO
1
1
IC402
SW1
IC403
VIDEO
SW2
IC404
VIDEO
SW3
10
5
12
3
10
5
12
3
10
5
12
3
J402
V
COMPOSITE
MONITOR OUT
J404
C
S MONITOR OUT
Y
J403
V
COMPOSITE
VCR OUT
J405
C
S VCR OUT
Y
J402
COMPOSITE
V
VCR IN
J404
C
S VCR IN
Y
J403
COMPOSITE
V
STB
J405
C
S STB
Y
1
2-2
H AB C D E FG
P
ower amplifier section
A
m
plifier boar
RX-DV31SL
D
SP
section
d
D
SP
boar
d
5
4
TO Audio
input/output section
CN 231
FROUT
FLOUT
TO Audio
input/output section
CN 231
SROUT
SLOUT
COUT
CN221
4
1
CN222
3
1
CN223
1
CN213 CN203
1
515
CN204 CN214
1
515
77
14
18
14
18
19
IC201
L/Rch
POWER AMP
AMP
8,9
10,11
21,22
IC202
MAIN
8,9
10,11
3
RY261 to RY264
ST202
SRch spkout
SLch spkout
Cch spkout
TO System
control section
CN 612
RESET
DSPREADY
DSPCOMMAND
DSPSTATUS
DSPCLK
D+5V
SPDIF
OPT
DUGITAL OUT
CN601
5
6
7
8
9
10
11
UN662
IC641
S-RAM
X631
OSC
24.576MHz
IC682
REG
IC615
REG
A3.3V
D3.3V
98,
99
IC631
DSP
31 34
1 to 7 1 to 7
DIR
&
14 to 18
22,25,26
X681
OSC
6.14MHz
10,11
54,56,66
4 to 9
IC681
DSP
MICOM
IC601
15,40 to 43
41 to 43
64 to 67
TO Audio
input/output
section
CN 614
24
23
26
25
28
27
32
30
CN602
1
3
4
6
7
9
DSPSW
DSPC
DSPSR
DSPSL
DSPFR
DSPFL
CODEC
CN242
1
2
11
9
8
7
6
5
4
CN202
1
2
11
9
8
7
6
5
4
Q271 to Q273
PROTECTER
ST201
Rch spk2out
Lch spk2out
Rch spk1out
Lch spk1out
SWOUT
COAX
DUGITAL IN
OPT
DUGITAL IN
J601
UN661
IC612
1
2
4
5
13
12
SW1,SW2,SW3
IC603
31
29
3
IC611
6
11
IC602
10
IN_R
12
IN_L
2
TO Audio
input/output
CN 212
TO
System
control
section
CN 212
HP_R
HP_L
SWOUT
REARRELAY
CNTRELAY
FRT2RELAY
FRT1RELY
RELAY+B
PROTECT
CN252
1
2
11
9
8
7
6
5
4
1
AB CD E F G
2-3
RX-DV31SL
RX-DV31SL
Power supply section
Power board & sub Trans. board
5
TA 10 1
TA 10 2
AC IN
F102
T102
4
D101 to D104
Q103
5.6V REG
F101
RY101
Q101
4.7V REG
Q122
-30V REG
Q121
-57V REG
CN115
1
2
4
7
8
9
10
Main board
CN125
1
2
4
7
8
9
10
Q162
A-12V
REG
Q164
A-7V
REG
Q161
A+12V
REG
IC761
SYSTEM
MICOM
CN612
DSP_A+5V
2
3
A-12V
4
A+12V
10
DSP_D+5V
CN114
D+5V
12
9
F1
10
F2
11
-VPP
TO
DSP section
CN 601
TO
FL display section
CN 701
FL display section
FL board
TO System
control section
CN 114
STANBY_LED
CN701
M_CLK
M_COMAND
M_STATUS
M_CS
M_BUSY
M_RESET
13
12
11
10
9
8
7
X701
OSC
9,10
8MHz
26,32,33,39 to 41
100
G1 to G31
P1 to P36
IC701
PANEL
MICOM
16 to 31
34
REMO
35,36
JOG1,JOG2
KEY3,
KEY4
IC702
Remocon
reciver
JS701
Volume
S711 to S723
,,,,,
SOURCE
Speaker SW.board
TO Aud io
input/output section
CN 902
Q181,Q182
A+7V
REG
Q151,Q152
DSP_D+5V
REG
Q141,Q144
DSP_A+5V
REG
T101
POWER
TRANS.
TO Powe r
Amplifier
section
3
CN 201
CN113
1
2
4
5
1
5
7
8
S3 20.9V
S3 20.9V
S4 0.27V
S4 5.3V
CN121
1
5
7
8
IC301
ANALOG
SW/VOLUME
CN912
A+5V
1
A-12V
3
4
A+12V
TO Video
input/output section
CN 402
CN412
16
A-7V
15
A+7V
-VPP
D+5V
5
F1
4
F2
3
2
D+5V
1
62
DI701
FL DISPLAY
KEY2
Q704,Q705
DVDA_LED
LED_DIMMER
CN703
CN713
1
1
2
2
FW701
Indicator board &
D704
Power switch board
TO
Tu ne r
Q171
TU+9V
REG
TO Powe r
2
amplifier section
FW 241
TO
FAN MOTOR
CN241
D+5V
FAN+12V
1
CN122
1
Q145
uCOM+5V
REG
Q154
FAN+12V
REG
IC191
DVD+3.3V
REG
IC401
VIDEO
DRIVER
IC192
DVD+5V
REG
IC193
DVD+9V
REG
Q183
V+5V
REG
DVD_M+5V
Q194
REG
1
CN301
CN513
SAFETY
CN512
17
19
21
23
25
7
TU+9V
TO
DVD servo section
CN 503
DVD_M+5V
1
TO
DVD servo section
CN 502
DVD_S+3.3V
DVD_D+3.3V
DVD_S+5V
DVD_D+5V
DVD_M+9V
KEY1
Q702,Q703,Q710
STAMBY_LED
BLUE_LED
LED_DIMMER
FW701
2
1
3
FW701
2
1
3
D701
D703
2-4
H AB C D E FG
Audio input/output section
RX-DV31SL
DAC board
Main board
TPRIN
5
IC901
FRONTch
VOLUME
IC931
SURRch
VOLUME
4
IC911,IC921,IC991
Amp.
IC941,IC951,IC992
Amp.
Q903,Q904
Mute control
Q1903,Q1904
Mute control
CN902
13
11
10
8
DVDAFL
DVDAFR
DVDASL
DVDASR
CN912
13
11
10
8
IC301
ANALOG
SW/
VOLUME
TUL
TUR
IC971,IC981,IC993
Amp.
DVDAC
IC961
CENTER
/SWch
VOLUME
Q2904
Mute control
7
DVDASW
5
7
5
L342
L341
CN301
6
8
TPLIN
TPROUT
TPLOUT
TVR
TVL
STBR
STBL
VCRR
VCRL
VCRROUT
VCRLOUT
TO
TUNER
TUNERR
TUNERL
TO
Q2903
3
Mute control
CN901
BCLK
1
LRCLK
2
D DATA
6
DCLK
7
DAC_SWMUTE
12
DAC_LRMUTE
11
DAC2CS
10
AOUT2
5
DAC1CS
9
AOUT1
4
DAC0CS
8
AOUT0
3
CN911
1
2
6
7
12
11
10
5
9
4
8
3
Q381 to Q385
SWMUTE
CONTOROL
SMUTE
IC761
SYSTEM
MICOM
SWOUT
CN513
10
11
22
24
DVD servo section
CN503
2
D DATA
3
BCLK
4
DCLK
5
LRCLK
6
DAC0CS
7
AOUT0
DAC1CS
8
AOUT2
9
DAC2CS
AOUT1
DAC_SWMUTE
DAC_LRMUTE
TO
2
Headphone board
J281
HEADPHONE
TO Power
amplifier section
CN222,CN223
CNTOUT
SROUT
SLOUT
TO Power
amplifer section
CN221
FROUT
FLOUT
CN231
8
6
4
3
1
Q1381,Q1382
SWMUTE
CONTOROL
Q766
CN614
SWMUTE
IC303
AMP
10
12
HP RELAY
FW281
HP-R
1
HP-L
2
HP_SW
1
3
CN291
1
2
3
RY291
CN212
11
DSP section
CN602
1
DSPSW
3
DSPC
4
DSPSR
6
DSPSL
7
DSPFR
9
DSPFL
INR
INL
TO
Power amplifier section
CN202
1
HP_R
2
HP_L
SWOUT
AB CD E F G
2-5
DVD servo section
DVD servo board
RX-DV31SL
RX-DV31SL
T+/-
F+/-
FM+/-
H1+/H2+/H3+/-
49,50
53,54
57 to 60
62,63
LD
11,12
13,14
17,18
15,16
9 to 14
2,4,7
IC101
FRONT END
PROCESSOR
IC201
DRIVER
IC251
SPINDEL
MOTOR
DRIVER
IC301
SODC
CPU D0 to 7
CPU A0 to 17
47
CN502
M9V
D5V
S5V
D3.3V
S3.3V
79
X301
OSC
16.9MHz
STD 0 to 7
6
IC501
PANTERA-2
IC505
16M
SDRAM
X571
OSC
27MHz
98
114
118
112
110
IC512
IC513
Latch
M9V
25
D5V
23
S5V
21
D3.3V
19
S3.3V
17
YOUT
16
14
COUT
12
CbOUT
CrOUT
10
5
TOPEN
4
TCLOSE
3
/LMMUTE
SWUPDN(SW3)
2
SWOPEN(SW2)
1
TO
Power supply
section CN512
TO
Video input/output
section CN512
TO
System control section
CN512
IC509
5
CN101
DVD traverse
mechanism
4
CN201
3
DVD traverse
mechanism
SM1-3
TRVSW
FLASH
ROM
WAITDEC
LSI RST
IC522-10/8
2
CN202
LM+/-
50
IC401
UNIT CPU
Loader
mechanism
IC451
11
1
23
X401
OSC
13.5MHz
IC521-11/13
4
IC510
EEPROM
6 5
IC523
IC521-10/8
M5V
IC521-4/6
IC514-11/13
EEPROM
IC522-1/4
CN503
1
2
3
4
15
14
16
17
18
19
20
21
23
25
D DATA
BCLK
DCLK
LRCLK
M5V
SPDIF
DISCSTP
SSPCLK1B
FLINT
SSPOUT1B
DISCSET
SSPINA1A
FLCSCPURST
TO
Audio input/output section
CN513
TO
Power supply section
CN513
TO
System control section
CN513
IC522-2/4
IC521-1/3
1
2-6
H AB C D E FG