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Y/c/audio/head amp/in/out, Y/c/audio/head amp/in/out block diagram – Toshiba Color Television/ Video cassette recorder MV13K3CR User Manual

Page 33

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X4001
3.579545MHz

40

100

98 97

25

42

96

28

85

83

82

5

7

46

4

6

44

59

55

30

19

14

13

93

2

1

3

78

76

H.AMP
SW

REC AMP

CP4001

4

3

2

SP-CH1 (R)

SP COM

SP-CH2 (L)

CYL

FE HEAD (HOT)

FE HEAD (GND)

2

1

CP4003

FE HEAD

CP4002

6

5

4

AUDIO PB

AUDIO REC

CTL+

A/C HEAD

3

2

1

AE HEAD(-)

AE HEAD(+)

CTL-

CTL+

CTL-

Y/C/A/CCD/H.AMP
IC4001
LA71067SM-MPB

49

Q4009

BUFFER

VX01

62

61

PULL

51

TIMMING

53

CCD

OUT

DRIVER

CLAMP

47

16

17

12

11

34

31

35

84

H.SW

88

90

91

89

H.SW

H

L

H

L

H

L

PB.EE

P

R

WC
DC

DATAIL
ENH

NL
EMPHA

REC
FM-EQ

FM
MOD

P

R

AGC
AMP

KIL

FM
AGC

DELAY

PB
FM-EQ

PB
PHASE-EQ

P

R

C-LPF

GCA

B-UP
AMP

ACC
AMP

Main
CONV

3.58M
BPF2

AUTO BIAS

P

R

KIL
B.D.

PB
AMP

3.58M
BPF1

DOUBLE
LIM

FM
DEM

SUB
LPF

V/I
CONV

P

R

Y-LPF

YNR/
COMB

N.L.
DEEM

NC1

Y/C MIX

SYNC
SEP

VCA

CLAMP

1/2

FBC

Chara
INS.

6dB

P

R

P

R

V-AGC

T4001

CLAMP

EQ
AMP

LINE
AMP

MUTE

ALC

SP/LP/EP-H

INPUT_SEL

TRICK_PB-H/EE-H

DOC_XO_CTL

REC/EE/PB

C.ROTARY

H.SW

VCR_A_MUTE

V.REC_ST-H

ENV.DET

DUMMY_V.SYNC

SD_VIDEO

TU_VIDEO

TU_AUDIO

MICON/
OPERATION/
DECK

6

2

3

1

5

Q4006

BIAS OSC

Q4005

BIAS CTL

99

Q4003

SW

Q4001, Q4002

AUDIO PB SW

4

P.CON+5V

Y/C R/P

AUDIO R/P

C ROT

RF SW IN

AUDIO

MUTE

H.A R/P

ENV DET

2

3

L4004

NC

Q4007

BUFFER

MICON/
OPERATION/
DECK

MICON/
OPERATION/
DECK

38

80

TV

2

4

J701

Q4212

BUFFER

Y/C_AUDIO

SD_VIDEO

Y/C/AUDIO/HEAD AMP/IN/OUT BLOCK DIAGRAM

NC

NC

P. CON + 5V