Sony FDL-PT22/JE service manual Board IC001 AN5707NFAP, Diode, Transistor, Variable, Resistor

							T	VIF,ELECTRONICSIF	TUNER,
							– T BOARD –
T BOARD : IC201 M51348AFP							1		2	3	4	5		6	7	8	9
AUDIO OUT 13		BUFFER		12	GND (SIF)	A		< Component Side >					< Conductor Side >
E-VDL 14				11	DC F/B
			LIMITER
FM DET IN 15				10	SIF IN
	FM DET

LIMITER OUT 16			9	Vcc (SIF)
AFT OUT 17	AFT	VIDEO AMP	8	GND (VIF)
				B

VIDEO OUT 18	7	IF IN
2nd	1st
Amp	Amp
REF COIL 19	6	IF IN
VIDEO
DET

REF COIL 20 5 Vcc (VIF)

AFT COIL 21	4	RF AGC DELAY	C
	AGC
SYNC SEP IN 22	3	RF AGC OUT
	SYNC
	SEP

SYNC OUT 23		2	AGC FILTER II
IF AGC ADJ 24	IF AGC	1	AGC FILTER I
	DET			D

E

T BOARD : IC001 AN5707NFAP

T BOARD

STOP

DEF CHCAL BRT

L/H

U/V

Vcc 5V

DIODE

*

NOTE:

13

14

15

17

7

27

8

D001

E-3

9

∙

: Pattern from the side which enables seeing.

DEFEAT

BAND

D002

D-3

7

∙

: Pattern of the rear side.

IC

AFC 5

COMPARATOR

OUT

SW

IC001

E-3

H.P. 3

IC201

C-6

TUNING

TRANSISTOR *

PLUSE WIDTH

BS ADD

28 BS

CONTROL

M.M. 2

SET

SIGNAL

Q001

D-7

1

DN

B

STOP

DET

Q002

D-7

!¥

UP

H.syn 4

INPUT

BAR OUTPUT

30 V OUT

Q003

D-6

1

Q004

E-6

1

CONTROL

31 U OUT

Q006

C-7

!¦

FH 1

Q007

D-3

1

SUD 6

Q201

C-7

1

18 UP

Q202

B-6

1

Q203

D-6

1

• T BOARD WAVEFORMS

BAR DISPLAY

20 VLP

VARIABLE

AUTO

19 VHP

1

2

3

POSITION

RESISTOR

RETURN

BT GENERATOR

CHARGE/

21 CON

RV001

D-3

DISCHAGE

ADJUST

22 UA

INITIAL RESET

RV002

D-3

RV004

D-4

3.4Vp-p (H)

3.7Vp-p (H)

0.9Vp-p (H)

RV201

C-3

29

9

16

265

32

26

12

10

11

23

24

GND

NC

NC

NC

NC

BT

MANU

C.S.

CHA

VHA

VLA

– 19 –

– 20 –