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Block Diagram - JVC AX-V8000 Service Manual

Audio/video control amplifier
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Block diagram

DSP 1 section
IC681
IC673
DIGITAL
A/D DIR
IN1 to 3
DIR & Selector
Selector
DIGITAL
IC674
IC666
IN4 to 6
Selector
DSP
DIGITAL
IC675
OUT
DIT
WR636
IC671
CN373
Local
DIGITAL
MICON
IN7
Audio signal input 1 section
A/D.L/R, A/D.C/SW
SUB.VI L/R
DVD
A/D.SL/SR, A/D.SBL/SBR
IC211
REAR
A/D SW
DVD
C/SW
V SIG L/R
DVD
FRONT
RY273
CDR
P.B
IC202
CDR
IC203
RY272
REC
Source
FRONT
TAPE/MD
Selector
L/R
RY271
P.B
TAPE/MD
REC
Audio signal input 2
CD
section (ZIST circuit)
IC201
PHONO
EQ
IC701 to IC704
ZIST.L/R
ZIST.C/SW
ZIST.SL/SR
TUNER-L/R
ZIST.SBL/SBR
CN207
System control LSI /
System control LSI /
FL display section
FL display section
(Power sw)
(FL display)
IC962
KEY
Display
MICON
System control LSI /
FL display section
(Input select sw)
DI961
FL Display
KEY
System control LSI /
Primary / Regulator section
FL display section
(Audio power supply)
(COMPU link)
Q61, Q62
TUNER-L/R
Audio+18V REG.
AV COMPU
Audio-18V REG.
LINK
COMPU
D61 to D64
LINK
AC-DC
CN302
Primary / Regulator section
DCS, AV_VCR
RY21
SW REG.
AC IN
T21
D21 to D24
AC220V
Trans.
AC-DC
DSP 2 section
Audio signal input 2
section
IC635, IC640
IC657
IC645, IC650
TV/DBS
to
CC
IC659
Convertor
VCR1
IC321
SW
REC
IC322
VCR1
Source
IC634, IC639
P.B
Selector
IC644, IC649
VCR2
DAC
REC
DSP.L/R, DSP.SBL/SBR
VCR2
DSP.C/SW, DSP.SL/SR
VIDEO L/R
P.B
V SIG L/R
CN631 WR632
SUB.VI L/R
Q323,Q324
Q329,Q330,Q351
7.1CH
Mute
FRONT
WR204
CN203
L/R
C/SW
SURR.
L/R
SURR.B
L/R
IC224
RY277
Volume
CN321
IC223
RY276
Volume
IC222
Primary/Regulator
RY275
Volume
section (Main)
IC221
RY274
Volume
FRONT
L/R
C/SW
SURR.
Amp
L/R
SURR.B
L/R
System control LSI /
FL display section
IC961
System
Control
MICON
VIDEO+5V
A+18V, A-18V
B+5V
D+5V
WR961 WR962
WR13
WR12
Primary / Regulator section
(Digital power supply)
IC44
D+5V REG.
Main
Trans.
T41
D4001 to D4004
Trans.
AC-DC
CN47
CN46
WR41
WR42
Q53
VIDEO+5V REG.
Q22
T42
D41
Trans.
AC-DC
Primary / Regulator section
(Video power supply)
Pre main
Pre main amp section (Lch/SBLch amp)
amp section
(Relay)
IC601
Q710, Q711
Pre AMP
Lch AMP
IC602
Q1710, Q1711
Pre AMP
SBLch AMP
Pre main amp section (Rch/SBRch amp)
IC603
Q760, Q761
Pre AMP
Rch AMP
IC604
Q1760, Q1761
SBRch AMP
Pre AMP
Pre main amp section (SLch/SRch amp)
IC605
Q1610, Q1611
Pre AMP
SLch AMP
IC606
Q1660, Q1661
Pre AMP
SRch AMP
Pre main amp section (Cch amp)
IC607
Q810, Q811
Pre AMP
Cch AMP
PROTECT, RYHP
PROTECT
RYHP
Video signal input 1 section
IC461
VIDEOC, VIDEOY
IC464
MAIN1, MAIN2, MAIN3, MAIN4
Selector
SUB1, SUB2, SUB3
(Y Block)
IC465
IC468
Selector
V.MIX, SEPA.C, SEPA.Y
IC481
(C Block)
V.OSDIN, V.OSDOUT
Y/C
Separator
Video signal input 2 section
V.SEPA
VIDEO
MAIN1, MAIN2, MAIN3, MAIN4
SUB1, SUB2, SUB3
OSDCLK
OSDDATA
IC405
OSD
Selector
V.OSDIN
V.OSDOUT
IC402
IC404
Video signal
V.MIX
Video
input 2 section
V.SEPA
Selector
(Y/C Separator)
Power amp section
Power amp section(Speaker)
Q714, Q715
Lch AMP
Q1714, Q1715
SBLch AMP
Q764, Q765
Rch AMP
Q1764, Q1765
SBRch AMP
Q1614, Q1615
SLch AMP
Q1664, Q1665
SRch AMP
Q814, Q815
Cch AMP
RY751
Q772
Protector
Video signal input 3 section
J451
TV / DBS
J401
to
IC561
R
VCR1
IC562
P
Selector
J402
R
VCR2
to
P
J403
DVD
Video signal input 3 section
(Component)
MONITOR
OSD.Y, OSD.C
J401
TV / DBS
R
VCR1
IC502
P
IC401
Y/C
J402
Video
Component
R
Converter
VCR2
P
J403
DVD
IC503
OSD
MONITOR
L
FRONT
RY901
Lout
SPK1
R
L
FRONT
Rout
RY902
SPK2
R
Cout
RY906
CENTER
SLout
L
RY904
SURROUND
R
SRout
L
RY905
S.BACK
R
SBLout
SBRout
Q1991 to Q1996
Protector
CN743
Primary/Regulator
section (Headphone)
HPL, HPR
System control LSI /
J471
FL display section
VIDEO
(Front)
VIDEO L/R
C-VIDEO
VIDEO L/R
VIDEO
S-VIDEO
VIDEOC
VIDEOY
L1-1, L2-1, L3-1
J561
SL1-1, SL2-1, SL3-1
VIDEO2
IN D
J562
L1-2, L2-2, L3-2
VIDEO3
SL1-2, SL2-2, SL3-2
IN D
L1OUT, L2OUT
L3OUT, SL1OUT
J563
SL2OUT, SL3OUT
VIDEO
OUT D
CN562
CN502
OUTCr
J503
OUTCb
VIDEO OUT
OUTY
Y
Cb
Cr
Cr3
J502
Cb3
Y3
VIDEO3 IN
RY501
Y2
to
Cb2
RY506
Cr2
SW
J501
VIDEO1 IN
Y1
Cb1
Cr1
2-1

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