JVC HR-XV10AG Schematics

3-2

OVERALL WIRING DIAGRAM

8
7
6
5
4
3
2
1

PM602PM603

GND
GND

5.3VA
GND
GND

8
7

VCR LED

6

DVD FLD

5

KEY RETURN

4
3
2
1

123456789

RF

PMD02

Vcc(HF)

DVD_LD

DVD_PD

VOL(DVD)

123456789

10111213141516171819202122

F

E

A

D

GND

VC_INPUT

C

Vcc(HF)

10111213141516171819202122

TIMER

BOARD

KEY BOARD

MIC

123456789

23

B

T(-)

F(-)

Vcc

F(+)

T(+)

GND

CD_LD

CD_PD

VOL(CD)

23

MPEG

LM+

FM+

PMD03

OPEN_SW

CLOSE_SW
123456789

BOARD

A1A3A2

LM-

FM-

GND

1011121314151617181920

H3-

H2-

GND

H1-

H2+

H1+

H3+

VH+

LIMIT_SW

1011121314151617181920

VH-

GND

12

GND

11

2.5V

10

GND

9

5V

8

5V

7

3.3V

6

3.3V

5

REG12V

4

GND(M)

3

8VA

2

5.3VA

1

PVD01P1D01

GND

12
11
10

DVD CLK

9

DVD ENA

8
7
6
5
4
3
2
1

DVD RESET

GND

DVD A.IN'R'

GND

DVD A.IN'L'

GND

DVD V.IN

PVD02P8D01

DVD DATA OUT

DVD DATA IN

PM601

12
11

10
9
8
7
6
5
4
3
2
1

12

11

10
9
8
7
6
5
4
3
2
1

123456789

GND

FLD CLK

FLD ENA

FLD DATA

REMOCON

KEY RETURN

123456789

KEY RETURN

101112

GND

FD(-)

FD(+)

5.3VA

-27VA

101112

12345

12V

PM401

12345

GND

MIC OUT

BOARD

GND

MIC 'L'

DECK MD

FULL ERASE

GND

P3D03

A.PB

A.REC
A/E(-)
A/E(+)
CTL(-)

CTL(+)

P3D02

DRUM CTL

DFG/FG

LD IN

CAP CTL
GND
I-limit

CAP REV'H'

5.2VA
12VA(CAP)

CFG

PMC01

2
1

6
5
4
3
2
1

12
11
10

9

12VA(DRUM)

8
7

MOTOR GND

6
5
4
3
2
1

2
1

6
5
4
3
2
1

12
11

10
9
8
7
6
5
4
3
2
1

VCR

BLOCK DIAGRAMS

1. POWER(SMPS) BLOCK DIAGRAM

BD101

12

!

LINE FILTER

BLOCK

(C101, L102, C102)

!

V101

!

F101

PW101

BR

(BK)

R101

3

4

C110 C111

BL

(WH)

C103

!

SNUBBER

BLOCK

(D101, R104,

C105, C106)

DRIVE & S/W BLOCK

OVER CURRENT LIMIT

BLOCK

(IC101,BD01,D102,R105,

C108,R107,C107,C109)

HOT GND

!

HOT CIRCUIT

8

5

3

218

4

3

IC105

!

IC102

10

11

12
13

14
15

16

17

F102

1

2

RECTIFIER &
SMOOTHING

(D107, C121, ZD101)

RECTIFIER &
SMOOTHING

(D108, D110, C130,

C122, C123, L122,

C126)

RECTIFIER &
SMOOTHING

(D111, C127,

L123, C128)

RECTIFIER &
SMOOTHING

(D112, L124,
C129, C131)

FEED-BACK

BLOCK

(R112, R113, C133,

R114, R115, R116,

R117)

RECTIFIER &
SMOOTHING

(D113, R119, C132)

S/W BLOCK

12VA REG

BLOCK

(Q112,ZD103,C151,

C152,R153)

8VA REG

BLOCK

(D114, IC106, C154)

5V REG

BLOCK

(Q117, ZD105, C162,

(R160, Q116, R161,

(R157, Q113, R158,

C158, R167)

5.2V BLOCK

R162, D122, C156)

5V BLOCK

R159, D121, C155)

(Q110, Q111,
R151, R152)

D117

3.3V REG
BLOCK

(IC103, C153)

2.5V REG
BLOCK

(IC104, C159, D119)

33V S/W

BLOCK

(Q114, R154, R155)

PWR CTL

BLOCK

(Q115,R163,R164,

R171,C161)

TO SYS

FD(+)

FROM µ-COM

STAND BY 'H'

TO SYS

FD(-)

TO SYS

-29VA

TO DRUM MOT

12VA

TO CAP MOT

12VA

TO DVD/Hi-Fi

REG 12V

TO DVD

8VA

TO DVD

3.3V

TO DVD

2.5V

TO TUNER

33V

TO SYS/Hi-Fi/Tu

5.3VA

TO A VCP

REG 5V

TO SYS/Hi-Fi/Tu

5.2V

TO DVD

5V

FROM µ-COM

PWR CTL 'H'

NOTES : Symbol denotes AC ground.

Symbol denotes DC chassis ground.

3-20 3-21

3-20 3-21

2. KARAOKE BLOCK DIAGRAM

(MIC MODE)

MC401

IC403

MIC VR

MIC
LEVEL

PM401 3Pin

1
2

5

IC4M1

6

3

1

M65845AFP

MIC1IN VCFIL

1

ALC1

2

ALC

3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18

MIC1
NFIN

MIC1OUT
MIC1

VOLIN
MIC2IN

ALC2

MIC2
NFIN

MIC2OUT

MIC2VOLIN

MICOUT

LPF1
IN
LPF1

OUT

ADINTIN

ADINTOUT

ADCOUT

1/2VCC

REF

GND

ALC

A/D

REF

CLOCK

GENERATOR

LOGIC

16KRAM

AUDIO

SOURCE

CONTROL

REF

D/A

VALL

AUDSW2

AUDSW1

CLOCK

CONT

MIC SW

MICECHO

OUT

Lout

Rout

ECHOVOLIN

LPF2

OUT

LPF2IN

DAINTOUT

DAINTIN

DACON

VCC

IC405

AMP

A.OUT L

1

36
35

34
33

S/W2

S/W1

3
5

A.OUT R

7

32

31

30

MIC S/W

29
28

Lin

27

Rin

26

58
56

A.L.IN

A.R.IN

IC801
HI-FI

25
24
23
22

21

8 7

IC403
ECHO

20

19

3-22 3-23

3-22 3-23

3. Y/C BLOCK DIAGRAM

(PB Mode)

System

V. OUT

(TO u-COM)

System

D-V SYNC

(FROM u-COM)

System

C-SYNC

(TO u-COM)

(REC Mode)

V.H/SW30

(FROM u-COM)

System

SP CH2

SP CH1

EP CH2

EP CH1

System

System

System

2fsc

(TO u-COM)

CLOCK

DATA

(FROM u-COM)

(FROM u-COM)

81

86

878988

SP CH2

REC-AMP

REC

f0=1.68M

MIX

B.E

L-DET

LPF

CCD

VCD

C-LPF

(-4dB)

Main

Conv2

DET

APC/ACC

HA118717F

Y -CCD

CLOCK Drive

42

39

44

LPF

Tra p

ATT

C.K

SPFACC

SP CH1

REC-AMP

C-LPF

Main

Conv2

6dB

AMP

52

MIX

52

AMP

APC/ACC

Main

51

SQUEL CH

DET

Conv2

CCD LPF

VCA

CTL Trap

C.K

BDBPF

L- DET

C LPF DEALY

fh Trap

HIFI Trap

ACC

2M LPF

CLEAR

Main

Conv1

SYNC

CLAMP

NL

De-eMPH

Main

De-Empf

S LPF

DEMO

FM AGC P.EQ G.EQ D LIM Y LPF

TRAP

50

SYNC SEP

56

FBC

Video ALC

Sharpness

CONTROL

YNR NC

CLAMP

LPF

LPF

+

+

2126242318 19

X-tal

VCO/OSC

(TO u-COM)

DATA

CLOCK

(FROM u-COM)

(FROM u-COM)

interface

Serial Cont

35 6269 63 7573

35

System

System

System

2fsc

1413

22

IC301

35

C-CCD

42

39

44

46

CLOCK Drive

interface

VCO/OSC

Y -CCD

C-CCD

60 58 35

62 6963

Serial Cont

X-tal

73 75

79 78

IC301

SP CH1

SP CH2

REC-AMP

81

86

84

REC-AMP

878988

REC-AMP

91

EP CH2

92

REC-AMP

93

EP CH1

94

HA118717F

46

FM

Main

FBC

SQUEL CH

51

VCA

TRAP

HPF

LPF

MOD

Emph

ALC

NL Emph

D.E.

SYNC

CLEAR

91

REC-AMP

f/0DEV

92

EP CH2

Adjst

FBC

Video ALC

Y -LPF

93

REC-AMP

YNR

VIDEO

94

EP CH1

AGC

SEP

SYNC

AGC DET

1

CLAMP

CLAMP

LPF

ATT

ATT

ATT

-10dB

-10dB

-10dB

(TO u-COM)

C-SYNC

30 28 29 21 26 24 23 18 19 50 22 20 14 13 15

31

+

+

System

VIDEO IN
LINE 2

VIDEO IN

+++

LINE 1

VIDEO IN

+

TV

V.H/SW30

(FROM u-COM)

System

V.ENV

(TO u-COM)

SP CH2

SP CH1

EP CH2

EP CH1

3-24 3-25

3-24 3-25

V. OUT

(TO u-COM)

System

D-V SYNC

(TO u-COM)

System

'99.10.30 R10379BA

4. NORMAL AUDIO BLOCK DIAGRAM

(PB Mode) (REC Mode)

3

A. OUT (R)

A. OUT (L)

16

17

1

IC405

MOD.A.OUT

IC301

HA118717F

DET

VCA

IC801

TDA9605H

IC301

HA118717F

OUTPUT

SELECTOR

2211

VCA

EQ

AMP

(System)

From u-COM

9

NORMAL

AUDIO

OUT

21

11

22

17

A. OUT (R)

IC801

DATA

7 8

CLOCK

TDA9605H

7

LINE AUDIO(R) IN

16

A. OUT (L)

6

LINE AUDIO(L) IN

1

2

N.A.IN

R/P HEAD

EQ

100

3-26 3-27

3-26 3-27

REAR Jack

5. Hi-Fi BLOCK DIAGRAM

VIDEO INPUT

BLOCK

AUDIO INPUT

BLOCK

DVD A.IN 'L'

DVD A.IN 'R'

AV1 A.IN 'L'

AV1 A.IN 'R'

A
B

4
5
6
7

Hi-Fi/

REC

37

36 35

Hi-Fi REC

Hi-Fi PB 'B'

IC801

21 22

Hi-Fi PB 'A'

16

17

A.OUT 'L'

A.OUT 'R'

OSD V. IN

129

10 22

16

IC802

6

D VD/R V. IN

26

12 20 24

A.OUT

To JACK

NORMAL A UDIO

OUT(T o A VCP)

NORMAL A UDIO

IN(From AVCP)

3-28 3-29

3-28 3-29

DVD A.IN 'L'

AUDIO INPUT BLOCK

DVD A.IN 'R'

LINE A.IN 'L'

LINE A.IN 'R'

MODULA TOR

A.OUT
(To Tu)

6. SYSTEM BLOCK DIAGRAM

I - LIMIT

78

TO/ FR OM DECK

2fsc

(FROM A VCP)

5.2V

MODE S/W MS501

L/D MOT OR

PMC01

LD IN

M

R553

R555

R551

T-UP END

RS501

T-UP REEL

5.3V A

R550

LD501
DECK IR LED

1
2
3
4
5

10

ES501

RS502

SUP REEL

CST. TAB SW .

R544

CS501

ES502

SUP END

R556

R558

5.3V A

R548

R557

R560

R559

R564

C552

R578

R525

R526

Q515

R577

CHAR.
OSC

X501

10MHz

OSC

AMP

R5C7

C535

Q514

R5C6

R5C5

R5B3

R5B4

R576

C534

C581

C582

R575

+

+

77

MODE S1

76

MODE S2

75

MODE S3

74

MODE S4

LD (+)

20

19

LD (-)

51

DOSC OUT

50

DOSC IN

72

OSC1

73

OSC2
2fsc in

53

2fsc out

52

1

T-UP SENSOR

3

SUP SENSOR

4

T-UP Reel

SUP Reel

5

CST/T AB 'H'

57

PM601 Pin5

82

R/C

R/C Out

31 32 38 40 61

2625

CTL -

CTL +

CAP. PWM

DRUM PWM

DFG

IC501

DPG

80 81 12 24 2839 27

CFG

CAP. REV 'H'

Vss (A/D)

Vss (SERVO)

2

49

33

CAP. ADJ

DRUM ADJ

Vss (OSD)

Vss (SYSCON)

71

V. ENV

Vcc (A /D)

15

V.H/SW

D.V.Sync

C.ROTARY

OSD 'H'

REC 'H'

A. MUTE 'H'

IIC CLK

IIC DATA

DVD REST

DVD D ATA OUT

DVD D ATA IN

DVD CLOCK

DVD ENA

FLD DATA OUT

FLD CLOCK

FLD ENA

KEY RTN 0
KEY RTN 1

Vcc (OSD)

Vcc (SERVO)

41

43

45

C.V out

Vcc (SYS)

22

ZD503

C.Vin

100

54
56
59
79

56

62

90
91

84
97
96
95

94

98
99

13
14

42

16

RESET

C. SYNC

C503

C505

TO/ FROM AVCP

DVD

BOARD

KEY

BOARD

KEY SW
KEY SW

+

C504

IC504

3

Vcc

+

1

C506

L501

GND

2

S/W

L520

L530

5.3V A

3-30 3-31

3-30 3-31

C508

+

C561

L505

CIRCUIT DIAGRAMS

1. POWER(SMPS) CIRCUIT DIAGRAM

IMPORTANT SAFETY NOTICE

WHEN SERVICING THIS CHASSIS, UNDER NO CIR­CUMSTANCES SHOULD THE ORIGINAL DESIGN BE
MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE LG ELECTRONICS CORPORATION. ALL
COMPONENTS SHOULD BE REPLACED ONLY WITH
TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIR-

CUIT. SPECIAL COMPONENTS ARE SHADED ON THE
SCHEMATIC FOR EASY IDENTIFICATION.

THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF­FER FROM THE ACTUAL CIRCUIT USED. THIS WAY,
IMPLEMENTATION OF THE LATEST SAFETY AND
PERFORMANCE IMPROVEMENT CHANGES INTO
THE SET IS NOT DELAYED UNTILTHE NEW SERVICE
LITERATURE IS PRINTED.

NOTE :

1. Shaded( ) parts are critical for safety. Replace only
with specified part number.

2. Voltages are DC-measured with a digital voltmeter
during Play mode.

No power.
BD101, R101 are defective.

Digitron Error.
D107, D108, ZD101 are defective.

12VAno power.
D110 is defective.

2.5V, 3.3V no power.
D111 is defective.

Switching Error.
IC101 is defective.

NOTES) Symbol denotes AC ground.

NOTES) Symbol denotes DC chassis ground.

No Power.
F101 is defective.

NOTE) Warning

NOTE) Parts that are shaded are critical
NOTE) With respect to risk of fire or
NOTE) electricial shock.

33V no power.
D113 is defective.

Switching Error.
IC105, 102 are defective.

5.3VAno power.
D112 is defective.

DC593W

3-32 3-33

3-32 3-33

2. KARAOKE CIRCUIT DIAGRAM

3-34 3-35

3-34 3-35

3. A/V CIRCUIT DIAGRAM

Video output Noise in REC/PB.
Video H/SW level is defective.

11

12

No Color in REC/PB.
R333, C350, C349 are defective.

1.5K

No Color in playout.
L306, C346 are defective.

10

Video output Level is unstable.
C339 is defective.

9

No Color in PB.

R338, C338 are defective.

8

7

6

5

Y. (REC)
C. (REC)
AUDIO(PB)
AUDIO(REC)

Y+C
Y+C

Y/PB
C/PB

WA VEFORM

13

4

180µ

2

1

3

Video Distortion in REC/PB.
R330, R322, C318, R325 are defective.

(MONO OPTION)

DC593W

3-36 3-37

3-36 3-37