JVC RX-7042S Schematics

SCHEMATIC DIAGRAMS

AUDIO/VIDEO CONTROL RECEIVER

RX-7042S

CD-ROM No.SML200403

Area suffix

J ----------------------------- U.S.A.
C -------------------------- Canada

Contents

Block diagram
Standard schematic diagrams
Printed circuit boards

COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LTD.

2-1
2-2
2-12 to 17

No.MB172SCH

2004/3

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 diagram

TO

TUNER

J371

DVD.F-L/R

TV/DBS.L/R

J372

VCR.REC-L/R

VCR.PLAY-L/R

J373

TAPE/CDR.

REC-L/R

TAPE/CDR.

PLAY-L/R

CD-L/R

DVD. C

DVD. SW

DVD. LS

DVD. RS

J1491
SUB

WOOFER

DVD.Y/Pb/Pr
STB.Y/Pb/Pr

MONITOR.

Y/Pb/Pr

J1350

COMPULINK

DVD-C/Y

TV/DBS-C/Y

VCR1R-C/R-Y
VCR1P-C/P-Y

MONITOR-C/Y

Audio signal input section

CN314

TUL
TUR

TUCE, TUCK, TUDI, TUDO

MAIN_STB
MAIN_CLK
MAIN_DATA

IC371

Source

Selector

SIG.L
SIGR

IC303

AMP.

FRONT-L

FRONT-R
V. SI G . L
V. SI G R

CN371

CN381

Volume / Video
component section

J1360

IC304, IC386

AMP.

Q1441, Q1445, Q1447

SW MUTE

J1380

IC389
IC390

VIDEO3
VIDEO4

SW

DCS

Video signal input section
(S-Video)

J241

IC241
IC242

C

J242

J244

Standby LED

S480 to S483

S433, S434

SW

IC243
IC244

Y

SW

CN430

CN432

CN313

CN315

SW_MUTE
FR_RELAY
C_RELAY
SUR_RELAY
SBK_RELAY

MAIN_STB, MAIN_CLK
MAIN_DATA, FRONT-L/R

SW_MUTE

VIDEO1
VIDEO2
VIDEO3

CN240

VIDEO1
VIDEO2
VIDEO3

FL display section

KEY1

S400 to S432

CN422CN420

KEY6

System control section

MAIN_STB, MAIN_CLK
MAIN_DATA, TUCE

CN303

TUDI, TUDO, TUCK
SW_MUTE

FR_RELAY, C_RELAY
SUR_RELAY, SBK_RELAY

CN101

Q931

MICOM5V REG.

DSP5V REG.

Q941

VIDEO12V REG.

Q981

A+12V REG.

IC380
Audio

Source

Selector

Video signal input section

J201

DVD

TV/DBS

J202

VCR1REC

VCR1PB

J204

MONITOR

Q413

Dimmer

STANDBY_LED

KEY1 to 6

Q410, Q411

Dimmer

DIRECT_LED
CC_CON_LED

DSPCLK, DSPREADY, DSPRESET
DSPSTATUS, DSP_COMMAND

HP_RELAY

IC901
System
MICON

SUR_RELAY, C_RELAY, SUB_RELAY
F1_RELAY, F2_RELAY, SBK_RELAY

VIDEO1, VIDEO2, VIDEO3, VIDEO4
VOL_STB, VOL_CLK, VOL_DATA

M_RESET, M_BUSY, M_STATUS
M_COMMAND, M_CS, M_CLK

DSPA5V, RDS5V, MICON5V

DSP5V, A+12V, A-12V

TU+9V, VIDEO12V, +B2

DSP_IN_L, DSP_IN_R
DSP.L, DSP.R, DSP.SL
DSP.SR, DSP.C, DSP.SW

DSP.SrBK

IC381

to

IC383

Volume IC

VOL_CLK, VOL_STB
VOL_ DATA

IC201
IC202

V

SW

M_CLK,M_COMMAND, M_STATUS
M_CS, M_BUSY,M_RESET

DCSO, DCSI

IC400

JOG1
JOG2

Display
Control

Driver

RM

S1 to S36
G1 to G17

Q921

DSPA5V REG.

RDS5V REG.

Q961

A-12V REG.

Q971

TU+9V REG.

IC399

AMP.

VIDEO1
VIDEO2
VIDEO3

JS400

Volume JOG

IC404

Remocon

DI400

FL Display

POWER_ON

CN205

CN204

VOL_CLK
VOL_ DATA
VOL_STB
DCS
VIDEO3
VIDEO4

Q402,Q403

FL1, FL2

DCS

SIG.L

SIG.R

SIG.SL
SIG.SR

SIG.C

SIG.SrBKL

DCS

-VPP

CN601

FW831

CN931

CN932

CN201

CN204

CN81CN400

CN501

CN734CN732CN731

CN735CN733

CN200

CN410

CN412

DSP IC / Digital signal input terminal section

CN681

DSPRESET, DSPREADY, DSPCOMMAND
DSP_STATUS, DSP_CLK

DSP.L
DSP.R

IC611 to IC613

A4+/­B3+/-

AMP.

DSP.SrBK

IC651

A4+/-

AMP.

DSP.C
DSP.SW

IC632 to IC634

A3+/­B3+/-

Q2101, Q2102, Q2201, Q2202
Q2301, Q3401, Q2501, Q2708

IC682

AD/DA

Converter

AMP.

CN682

DSP.LS
DSP.RS

DSP_IN_L
DSP_IN_R

IC622

AMP.

IC601, IC602

A2+/-, B2+/-

LIN+/-, RIN+/-

IC667

AD/DA

Converter

AMP.

Audio amp section

CN714

Q761, Q763

Lch AMP.

CN711

CN701 CN702 CN703 CN704 CN706CN705CN723

Speaker
section

Audio amp section

CN719

Q762, Q764

Rch AMP.

Audio amp section

CN722

Q1751, Q1752

Cch AMP.

Audio amp section

CN717

Q1951, Q1952

SBch AMP.

CN712

CN713

CN718

Audio amp
section

Q1851, Q1853

SLch AMP.

Audio amp
section

Q1852, Q1854

SRch AMP.

CN82

CN402

VPP

CN72

Q71

-VPP REG.

CN715

CN716

CN71

+B2, -B2

Primary
section
(Power
transformer 1)

D61 to D64

S.MUTE

D/A 0
C_BCK
C_LRCLK

terminal

CN55

FW51

FL1
FL2

S.MUTE

PD_DD, RST_DD
96K/48K, 192K/96K

IC673

Compression

D_RST, INT, D_CS, CCLK
CDIN, CDOUT

C_BCK, C_LRCLK, S_BCK
S_LRCLK, DATA, D/A0 to 3

CN831

HP_RELAY

+B, -B

D801

to

D804

RY871

CN801

CN811

Power
Trans.

Primary section

POWER_ON

B+5V

Q52

B+5V REG.

D51 to D54

Powe r
Trans.

IC671

Digital Signal

Controller

SCK

CC_RST
CC_CS
CC_CLK
CCDATA

DSP_RST
HREQ
SS, SCK,
MOSI, MISO
GPIO1 to 4

IC661

DSP

F1_RELAY, F2_RELAY, C_RELAY

FW931

SUR_RELAY, SBK_RELAY

RY831

CN823

RY832

CN824

CN814CN813

RY852

Speaker

terminal section

(Speaker)

Speaker

terminal section

(Headphone jack)

FW881

CN881

HP_L, HP_R

Primary section
(Power transformer 2)

Q53

RY1

T2

MICK

IC673

RX0

RX1

RX2

RX3

TX

RY851

RY853

Primary
section
(Power/fuse)

J681

DiIGITAL IN1

UN682

DIGITAL IN2

UN683

DIGITAL IN3

UN684

DIGITAL IN4

UN686

DIGITAL OUT

ST832

L(SPK2)

R(SPK2)

ST833

L(SPK1)

R(SPK1)

CENTER

ST853

SURR-BACK

SURR-L

SURR-R

J91

Headphone
jack

Main

plug

2-1

Standard schematic diagrams

Primary section

!

CN82
QGB2510K1-08

(SHEET 9)

(SHEET 8)

CN402
QGF1205C1-06

CN71
QGB2510J1-09

CN72

QGB2510K1-09

C69

0.047MY

C68

0.047MY

100k

R74

(SHEET 2)

1/50

C74

D75

MTZ8.2JC

CN811
QGA3901F2-03

FW51

QUM215-10DGZ4

Q74

KTC3200/GL/

CN55
QGD2501C1-05Z

D63

10DDA20-FD

3300/35

Q71

KTA1046/Y/

C73

22/50

R73 D74 C72

MTZ36JC

22k

10DDA20-FD

!

D61

!

C65

11ES2-T4

3.3k

R72

22/50

PW20

PW17

PW26

PW18

PW19

PW30

!

F1

TA1

TA2

R1

3.3M

EP1

!

T2

QQT0434-001

!

D52

D54

11ES2-T4

11ES2-T4

D57

1SS133

R53

!

PW10

PW11

PW12

PW13

PW14

PW15

PW16

!

6.8

C1

0.0047

!

RY1

QSK0098-001

PW28

PW29

PW40

Q53

KRC105M

Q52

KTD863/Y/

C55

0.0047

820

R54

C54

470/16

D56

MTZ6.2JB

131

132

113

112

111

C62C61

0.1MY0.1MY

D64

11ES2-T4

!

TH71

QAD0095-4R7Z

123

122

121

134

133

D51

!

!

D53

11ES2-T4

0.0047/100

11ES2-T4

C51

!

!

C52

1000/25

F61

!

F62

!

3.3

R61

11ES2-T4

D62

!

C63

0.1MY

!

C66

1000/35

D73

C70

220/50

D71

11ES2-T4

C71

D72

100/63

11ES2-T4

2-2

EP51

Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.

SHEET 1

Speaker terminal section

(SHEET 4) (SHEET 4) (SHEET 3) (SHEET 3) (SHEET 4) (SHEET 7) (SHEET 7)

CN704

QGB2510J1-10

C803

0.1

C801

0.01

D801

!

30PRA20-FC

D803

QJK012-032403

CN801

(SHEET 1)

0.01

C805

!

C807C808

100k100k

30PRA20-FC

C804

C802

!

D802

30PRA20-FC

D804

!

30PRA20-FC

0.1

0.01

0.1

C806

6800/716800/71

R801R802

CN701

QGB2510J1-12 QGB2510J1-12

CN703

QGB2510J1-10

C816

100/25

D816

MTZ18JC

R816

3.3k

EP801

12

R815

Q811

R812

3.3k

KTC3200/GL/

2SD2394/EF/

D811

Q812

R813

R811

C811

0.0047

C845

C833

220p

D845
1SS133
D846
1SS133
D848
1SS133

0.022

C834

0.022

220p 220p

C836

0.022

10

C842 C841

R834

220p

C846

10

220p

R837

C843

C837

0.022

C839

0.022

C838

220p

0.022

10

R838

C844

220p

C848

C891

C881

220p

0.001

220p

C886

220p

C890

C892

C884

220p

0.001

220p

C889

C893

C883

220p

0.001

C897

C898

220p

0.01

220p

C894

220p

C896

220p

C899

R868

4.7k

4.7k

R861

R858

Q830

KRC109M

R865

4.7k

Q833

KRC109M

Q834

ST832
QNB0082-002

C840

0.022

ST833

ST853

Q839

D847

KRC109M

1SS133

R864

C454

4.7k

4.7/50

Q831

KRC109M

4.7k

Q832
KRC109M

C852

C853

4.7/50

R866

4.7k

Q836

KRC109M

C851

Q835

KRC109M

22k

R862

D843

1SS133

D844
1SS133

D842

1SS133

4.7/504.7/50

R863

Q837 Q838
KRC109M KRC109M

22K

R867

22k

22k

R859

R856

6.8k

6.8k

6.8k

R857

R860

R869

R870

4.7k

R833

R855

R854

MTZ5.1JC

100k

10

C835

0.022

C847
220p

10

R885

C885

0.047

10

R888

C888

0.047

C887

0.047

10

R887

10

R889

C895

0.047

C850

4.7/50

D841

3.9k

KRC109M

R831

33

CN702

R814

10k

47k

Parts are safety assurance parts.

QGB2510J1-12

CN705

CN723

QGA2501C1-04

10/25

C824

R826

Q825

KTA1268/GL/

10k

R825

Q824

KTC3200/GL/

R823

10k

100k

47/16

Q823

130k

R824

C823

(SHEET 9)

KTC3199/GL/

CN831

R841

R842

R843

R844

R845

R846

1SS133

D825

CN706

QGB2510J1-12

100k

82k

100k

100k

82k

100k

R871

QGD2501C1-04Z

QSK0109-001

QSK0109-001

RY851

QSK0109-001

D831

1SS133

R832

33

1SS133

D832

R851

33

1SS133

D851

R852

33

1SS133

D852

R886

33

1SS133

D853

RY831

QSK0109-001

J91
QNS0022-001

RY832

RY852

QSK0109-001

RY853

CN813

QGA3901C1-06

L843

0.45

B6001

L844

L845

L846

33

D871

1SS133

CN814

0.45
QGA3901C1-07

B6002

0.45

B6004

0.45

B6003

RY871
QSK0109-001

CN881
QGD2501C1-03Z

FW881
QUM213-40DGZ4

R91

470

R92

470

QJK015-063001

CN823

CN824

QJK015-073202

C91

C92

470p

470p

EP91

When replacing those parts make
sure to use the specified one.

FW931

QUM218-08DGZ4

(SHEET 9)

SHEET 2

2-3

Audio amp section (1/2)

e

2k

D701

1SS133

R701 C701

10/35

CN714
QGA2501F1-02

(SHEET 7)(SHEET 7)

2.2k

C703 R703

100p

100k

C705
100P

Q701

2SC2240-BL/AB/

R707R705
2k

Q703

2SC2240-BL/AB/

R709

9.1k

C711

R733

C751

47p

R761

D771
1SS133

KTA1268/GL/

D773
1SS133

R775

R777

10

R771

390

200

200

R773

390

R763

10

C753

47p

150

R721

Q707

KTA1268/GL/

R725

1.5k

Q705

0.01
KTA1268/GL/

220

C717

5.6k

R717

10k

R719

R723

390

390

D703

1SS133

R731

22p( 500V)

33k

R727

C713

C715

Q709

KTA1268/GL/

68p

68p

C709
10p

R715

100k

R711

Q711

KTC3200/GL/

390

C707

100/16

R729

C745

C741

47/100

47/100

C719

0.0047MY

2SD637/QR/

R781
390

R783
620

VR787

500

Q781

R789

270

TH783

QAD0012-202

Q771

KTC3200/GL/

Q773

!

Q761

2SD2390/PY/-F6

R779

0.22( 7W)

R795

!

Q763

2SB1560/PY/-F6

R787

Q791

KTA1268/GL/

C795

0.022

1k

R797

15k

D791

1SS133

47k

R791

33

L791

1u

R793

10

C791

0.047

C793

0.047

CN719
QGA2501F1-03

C702

R702

10/35

2.2k

C704
100p 100k

R704

R706

2k

D702

1SS133

C706

100p

Q702

2SC2240-BL/AB/

R708

2k

2SC2240-BL/AB/

R710

9.1k

Q704

R734

C712

CN711
QGB2510K1-12

(SHEET 2)

C752

47p

R762

D772
1SS133

KTC3200/GL/

KTA1268/GL/

D774
1SS133

R778

R776
200

200

R772

R774

10

390

390

R764

10

C754

47p

R722

150

Q708

KTA1268/GL/

1.5K

R726

Q706

0.01

KTA1268/GL/

220

R718

5.6k
C718

22p( 500V)

10k

R720

390

R724

390

D704

1SS133

R732

33k

R728

C714
68p

C716
68p

390

R730

Q712

Q710

KTA1268/GL/

R712

KTC3200/GL/

C710

10p

R716

100k

C708
100/16

C742

C746

47/100

47/100

C720

0.0047MY

VR788
500

R784
620

Q782

2SD637/QR/

R782
390

R790
270

TH784

QAD0012-202

Q772

Q774

!

Q762

2SD2390/PY/-F6

R780

0.22( 7W)

R796

!

Q764

2SB1560/PY/-F6

R788

Q792

KTA1268/GL/

C796

0.022

1k

R798

15k

D792

1SS133

47k

R792

L792

33

1u

0.047

C792

0.047

C794

R794

10

2-4

(SHEET 2)

CN712
QGB2510K1-12

Parts are safety assurance parts.
When replacing those parts mak
sure to use the specified one.

SHEET 3