JVC SR-V101US Schematics

SCHEMATIC DIAGRAMS

VIDEO CASSETTE RECORDER

8299620042

SR-V101US

CD-ROM No.SML200403

FF

REW

24HR QUICK
PROGRAM

REC LINK

S-VIDEO

POWER

SR-V101US [V16S15]

INSERT

A.DUB

COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED

No.82996SCH

2004/2

CHARTS AND DIAGRAMS

CIRCUIT BOARD NOTES

1. Foil and Component sides

1) Foil side (B side) :
Parts on the foil side seen from foil face (pattern face)
are indicated.

2) Component side (A side) :
Parts on the component side seen from component face
(parts face) indicated.

2. Parts location guides

Parts location are indicated by guide scale on the circuit board.

Note: For general information in service manual, please

refer to the Service Manual of GENERAL INFORMA­TION Edition 4 No. 82054D (January 1994).

LOCATION

REF No.

IC101 B C 6 A

IC

Category : IC

Horizontal “A” zone
Vertical “6” zone

B : Foil side

(A : Component side)

C : Chip component

D : Discrete component)

NOTES OF SCHEMATIC DIAGRAM

Safety precautions
The Components identified by the symbol are

critical for safety. For continued safety, replace safety
critical components only with manufacturer's recom­mended parts.

1. Units of components on the schematic diagram

Unless otherwise specified.

1) All resistance values are in ohm. 1/6 W, 1/8 W (refer to
parts list).
Chip resistors are 1/16 W.

2) All capacitance values are in µF, (P: PF).

3) All inductance values are in µH, (m: mH).

4) All diodes are 1SS133, MA165 or 1N4148M (ref er to parts

Note: The Parts Number, value and rated voltage etc. in
the Schematic Diagram are for references only.

K: KΩ (1000Ω), M: MΩ (1000KΩ)

list).

When replacing the parts, refer to the Parts List.

2. Indications of control voltage

AUX : Active at high.
AUX or AUX(L) : Active at low.

4. Voltage measurement

1) Regulator (DC/DC CONV) circuits
REC : Colour bar signal.
PB : Alignment tape (Colour bar).
— : Unmeasurable or unnecessary to measure.

2) Indication on schematic diagram
Voltage Indications for REC and PB mode on the sche­matic diagram are as shown below.

REC mode

123

2.5

(5.0)

PB mode

1.8

PB and REC modes
(Voltage of PB and REC modes
are the same)

Note: If the voltages are not indicated on the schematic

diagram, refer to the voltage charts.

5. Signal path Symbols

The arrows indicate the signal path as follows.

NOTE : The arrow is DVC unique object.

Playback signal path
Playback and recording signal path

3. Interpreting Connector indications

1
2

Removable connector

3

1
2

Wire soldered directly on board

3

1

Non-removable Board connector

2
3

1

2

4

Board to Board

3

Connected pattern on board
The arrows indicate signal path

Note: For the destination of each signal and further line
connections that are cut off from the diagram,
refer to "BOARD INTERCONNECTIONS"

Recording signal path
(including E-E signal path)

Capstan servo path
Drum servo path

(Example)

R-Y

Playback R-Y signal path

Y

Recording Y signal path

6. Indication of the parts for adjustments

The parts for the adjustments are surrounded with the circle as
shown below.

7. Indication of the parts not mounted on the circuit board

“OPEN” is indicated by the parts not mounted on the circuit
board.

R216

OPEN

2-1 2-2

BOARD INTERCONNECTIONS

5

4

VIDEO/N.AUDIO Page 2-5
S-SUB Page 2-7
TERMINAL Page 2-9
FMA/DEMOD Page 2-11
SYSCON Page 2-13
SW.REG Page 2-15
TUNER Page 2-17
FRONT Page 2-19

Page 2-21

3

2

1

A

BC

2-3 2-4

DE

p10573001a_rev0

F

G

MAIN(VIDEO/N.AUDIO) SCHEMATIC DIAGRAM

TO SYSCON

SP_SHORT[H]/FLY_REC_ST[H]

5

C55

C56

OPEN

R2014

0.1

TP111

D.FF

R2023
10k

10k

R2022

D2001

1SS133-T2

R37

1SS270A-T2

15k

C62

0.01

390k

R2013

12k

C2006

0.0068
C2008

/50

4.7

C2010

820p

C2011

/50

4.7

C2012

/50

4.7

IC1

JCP8060

10k

R2024

12k

R2007
R2003

100

OPEN

R2004

Q1

DTC144WKA

12k

R2010

C64

C63

0.01

0.01

R22

2.2k

TO FMA/DEMOD

Fs

c

GND

NA_REC

NA_PB

T2051

T2052

#

C404

47p

/25

PELN0861
QQR1083-001
QQR1311-001

/25

C405
OPEN

PELN0860
QQR1082-001
QQR1310-001

C2053

R2054

15k0.033

C2054C2055

0.0110

C2062

R2061

27k

C2063C2064

0.0110

C406
680p

Q402

L401

15

µ

C407

18p

0.0033

2SC2412K/QRS/
2SD601A/QRS/
2SC3928A/QRS/

0.0033

R405

68k

Q403 Q404

DTC144WUA DTC144WUA

!

10

L10

µ

Q10
OPEN

Q2051
2SC2412K/QRS/
2SD601A/QRS/
2SC3928A/QRS/

R2056

100

R2055

3.3

Q2061

R2063

150

2SA1037AK/QR/
2SB709A/QR/
2SA1530A/QR/

R2062

3.3
Q2063

DTC144WKA
RT1N44HC
UN221E

Q9
OPEN

R2057

47k

2SA1037AK/QR/
2SB709A/QR/
2SA1530A/QR/

R2059

47k

Q2054
2SA1037AK/QR/
2SB709A/QR/
2SA1530A/QR/

R2064

47k

Q2062

Q2052

R2065

R401 R402 R404

C402

220 1k 47k

C2051

C2065

0.033

0.022

Q401

C401

C403

0.01

150p

QUY153-050Y

D1

OPEN

D2

R2051

OPEN

330p

R2053

3.9k
MY

C2052

R2052

OPEN

C2061

MY

MY

OPEN

4

3

TO SW.REG

SW12V

SW5V

GND

TO FMA/DEMOD

FMA_CH1
FMA_COM
FMA_CH2

TO DRUM

#

TO SYSCON

CTL[+]
CTL[-]

CN2001

P/R

A.E

CTL

CN2002

FE

CN1

B2051

2

TO SYSCON

N.REC_ST[H]

CTL1

N.REC[H]

FULL_E.ON[H]

R21

2.2k

Q405

R408
47k

R407R403

4.7k390

Q7
OPEN

Q8
OPEN

R2058

18k

Q2053
DTC144WKA
RT1N44HC

UN221E

R2060

18k

18k

Q2055
DTC144WKA
RT1N44HC
UN221E

Q2003
DTA144WKA
RT1P44HC
UN211E

2SC2412K/QRS/
2SD601A/QRS/
2SC3928A/QRS/

Q2002

L2001
SHORT

C61
47

/6.3

C60

Q2001
2SC2412K/QRS/
2SD601A/QRS/
2SC3928A/QRS/

R2018

4.7k

R2019

4.7k

R27

1.2k

/6.3

0.1

R24

OPEN

B6

L9
10

µ

C52
12p

C57

C58

C59

0.1

0.1

0.1

R2021

C2004C2003

0.0147

C2005

4.7

R2015

390

33k

/50

C2007
22

R2017

C2009 R2016

0.0015 47k

Q6
OPEN

/16

18k

/50

C49

4.7

TP106

OPEN

PB.FM

R9

C50

0.01

/50

C2001

4.7

R1

6.2k

/50
1

SHORT

C4
10

L2

/25

C2002

C3
47p

R4

6.8k
R5

33k

OPEN

R8

150p

1.5k

/50

C47

0.47

R11

R26

OPEN

4.7k

R25

OPEN

C6

C1

0.1

R3

C5

R2

0.1

120

/50

/50

C45

0.1

X2

QAX0739

C7

0.1

C11
1
/50

0.0047

C43

C44

2.2

3.3

R12
1k

C8

0.01

C9 C13

2.2 1
/50 /50

C48

C46

0.022

L1

100

µ

C2
4p

OPEN

/6.3

/50

C38

C36

C39

C41

47

0.1

0.01

1

R14

1.8k

OPEN

D3

D4

OPEN

C14
/50

R18
OPEN

µ

L7

12

C40

0.01

C35

0.01

D6

D5

C17

OPEN

OPEN

C15

0.1
C16

0.01

C10
47

/6.3

C18

0.11

R15

OPEN

Q4
OPEN

C42

OPEN

R16

R17
OPEN

C37
4p

OPEN

B4

R38

Q2
OPEN

R7
OPEN

OPEN

B3

OPEN

C29

OPEN

R19

0.01

µ

C26

10

/25

C24

0.1

C23

C21

0.01

0.1

C22
OPEN

L3

µ

10

C34

0.01
C33

10

/25

C19

0.1

R6

OPEN

B1

!

L6

µ

10

R20

OPEN

Q3
OPEN

L4

C28

OPEN

L5

10

µ

C31
47

/6.3

330p

C30

0.1

C32

C27

0.01

C25

3.3

/50

0.1

C20

B2

OPEN

CTL3
CTL2
VIDEO_ENV
D.FF
A.MUTE[H]
I2C_DATA_A/V
I2C_CLK_A/V

TO TUNER

Fsc

TO SYSCON

V.PULSE
S_DET

SB_GAIN
Fsc
V_TO_OSD
TITLE_REC[H]

TO TERMINAL

GND
REAR1_V_IN
FRONT_V_IN
TU_VIDEO

IC2

TO S-SUB

CHARA_DATA
REC_COLOR
CTL5
V_TO_OSD
PB_COLOR
Fsc

1

Y_TO_SUB
FROM_SUB_EMPH

TO_SUB_EMPH
SYNC_OUT
Y_TO_AV
V_FROM_AV

VHS[H]
GND

p10572001a_rev0

A

BC

DE

2-5 2-6

F

G

MAIN(S-SUB) SCHEMATIC DIAGRAM

TO VIDEO/N.AUDIO

VHS[H]

KILLER_DET

5

TO 3D DIGITAL

CN1401

CN501

#

SLOW_PULSE

TRICK[H]

D.FF

V.REF

VP_CTL

I2C_DATA_A/V

I2C_CLK_A/V

CTL5

C_FROM_DIGI

4

GND

Y_FROM_DIGI

EE[L]

V/Y_TO_DIGI

SW5V[2]

C_TO_DIGI

GND

Fsc

SHORT

L504

C527
OPEN

R510

4.7M

B502

C528

0.1

C532
OPEN

L506
OPEN

C525 C517

0.01 4.70.01

C524

/25

C523

10

0.01

C522

4.7
/50

0.01

C539

C521

C520 C511

C519
270p

_2%

CH

C518

R508

_0.5%
1k

2.2
/50

/50

2.2 330
/50 /6.3

C510

µ

0.01

R507

3.9k

_0.5%

R506

3.9k

_0.5%

C538
OPEN

CH

R504

560

_0.5%

L501

R505
C515
R503
C513

100

µ

C516

270p

_2%

C514

270p

_2%

1k

_0.5%

120p

_2%

1.5k

_0.5%

220p

_2%

CH CH CH CH

B501

PB_COLOR
CTL5
V_FROM_AV
Y_TO_SUB
SYNC_OUT
REC_COLOR
FROM_SUB_EMPH
Y_TO_AV
Fsc
TO_SUB_EMPH
GND
V_TO_OSD
CHARA_DATA

C509

C529

0.01

0.01

3

D502

OPEN

C530

0.01

TO SYSCON

2

1

VP_CTL

V.REF

D.FF

TRICK[H]

SLOW_PULSE

I2C_DATA_A/V

I2C_CLK_A/V

P.MUTE[L]

CHARA_DATA

V_FROM_OSD

GND

TO TERMINAL

C_IN_CH1

GND

C_IN_CH2

GND

Y_OUT

GND

C_OUT

IC501
JCP8058

C502

C501

D501

0.01

47

OPEN

/6.3

B503

OPEN

L503

C503

2.2
/50

C507

0.01

C506
OPEN

R501

C504

L502

220

0.1

C508

2.2

/50

µ

10

TO SW.REG

GND
SW5V

A

BC

2-7 2-8

DE

p20381001a_rev0

F

G

MAIN(TERMINAL) SCHEMATIC DIAGRAM

5

J7103

R903

75

TO FMA/DEMOD

R904

75

J7101

J7101

J7101

J7101

4

3

J1J1J1J1

J1

FRONT
VIDEO IN

FRONT
AUDIO IN(L)

FRONT
AUDIO IN(R)

R905

75

D907
OPEN

D906
OPEN

B903

B904
OPEN

C914
10
/25

C913
10
/25

B906

IC903
MM1117

C912
10
/25

C917

0.01

C918

4.7
/50

F.AUDIO[L]
F.AUDIO[R]
A.IN1[R]
A.IN1[L]
LINE_OUT[R]
LINE_OUT[L]
GND

TO VIDEO/N.AUDIO

FRONT_V_IN
GND
TU_VIDEO
GND
REAR1_V_IN
GND

TO S-SUB

C_IN_CH1
GND
C_IN_CH2
GND
Y_OUT
GND
C_OUT

R907

75

R906

75

AUDIO OUT[R]

AUDIO OUT[L]

VIDEO OUT

R908

75

2

J2

J2J2

J2

J2

/6.3

470

C923

R917 R918

330 330 330

1/2W 1/2W 1/2W

Q901 Q902 Q903

C924
470
/6.3

R920

100 100 100

AUDIO OUT[R]

AUDIO OUT[L]

VIDEO OUT

R913

R912

R915
R916

75

75

75
OPEN

C922

#

0.01

C907

0.01

R919

R921 R 922

C925
OPEN

L901

C926

0.01

!

L902

µ

100

µ

10

TO SW.REG

SW5V
SW12V
GND

TO SYSCON

V_FROM_OSD
CTL4
R1[H]
GND

TO TUNER

RF_VIDEO
TU_VIDEO
GND

1

A

BC

DE

2-9 2-10

p20406001a_rev0

F

G