Sony AA-2U service manual Adjustment Items 3

Models: AA-2U

1 11
Download 11 pages 10.26 Kb
Page 5
Image 5

ADJUSTMENT ITEMS (3 OF 6)

KV-32FV27 / 36FS13 / 36FS17 / 36FV27 / 38FS17

Register

Name

24ST0S

25

WSC

26

VTRH

27

VTRR

28

LDSR

29

PWRE

30

VAPG

31

VAPI

32

TEST

33

YPFT

34

YPFG

35

V1PS

36

VEGS

37

CC3N

38

C0HS

39

CLPH

40

SEL2

41

SEL1

42

YHCO

43

YHCG

44

OVST

45

CSHD

46

KCTT

47

SHT

48

VCT

49

OTT

50

CL2D

51

CGGT

52

CLEB

53

CGT

54

HPLL

55

BPLL

56

FSCF

57

PLLF

58

KILR

59

HSSL

60

VSSL

61

BGPS

62

BGPW

63

ADCL

64

ADPD

65

NSDW

66

CNRF

0

SHPR

1

BLAD

2

SRTS

3

YNR

4

GIRE

5

DAC1

6

DAC2

 

 

Description

Data

Adj/Fix

Initial

32"

 

36"/38"

 

 

Comments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Range

 

Data

FV

FS

 

FV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Select ST0 Pin Output Signal

0-3

FIX

1

 

1

 

 

External Y-ADC clamp pulse

 

 

Noise Detection Coring

0-3

FIX

1

 

1

 

 

1LSB coring for noise detection circuit

 

 

H-sync Non-Standard Detection Hysteresis

0-3

FIX

1

 

1

 

 

Low hysteresis (2 clock pulses)

 

 

H-sync Non-Standard Detection Sensitivity

0-3

FIX

1

 

1

 

 

Medium sensativity (+/- 8 clock pulses)

 

 

Frame Sync Non-Std Detection Sensativity

0-3

FIX

2

 

2

 

 

Low sensativity (1.5 clock pulses)

 

 

Internal ADC Input Range

0,1

FIX

0

 

0

 

 

Same input range on Y-ADC and C-ADC

 

 

Vertical Aperture Compensation Gain

0-7

FIX

4

 

4

 

 

0: Correction OFF, 7: Max Correction

 

 

Vertical Aperture Comp Convergence

0-31

FIX

12

 

12

 

 

0: Correction OFF, 31: Max Correction

 

 

Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

Y Peaking Filter Center Frequency

0-3

FIX

3

 

3

 

 

4.22 MHz

 

 

 

 

Y Peaking Filter Gain

0-15

FIX

7

 

6

 

 

0: -1 gain, 15: 0.875 gain

 

 

Horizontal Dot Supression Level

0-3

FIX

2

 

2

 

 

Medium suppression

 

 

Vertical Dot Supression Level

0-3

FIX

2

 

2

 

 

Medium supression

 

 

 

Line Comb C Separation Filter

0,1

FIX

0

 

0

 

 

Narrow bandwidth

 

 

 

C Signal Delay Time at NR

0,1

FIX

0

 

0

 

 

1H Delay

 

 

 

 

Y-ADC Clamp Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

DC Detection High Freq Sensativity

0,1

FIX

0

 

0

 

 

Low sensativity, Close to still pictures

COMB3D uPD64082

DY detection Low Freq Sensativity

0,1

FIX

0

 

0

 

 

Low sensativity, Close to still pictures

Y High Freq Coring

0-3

FIX

1

 

0

 

 

Small Amount of coring (+/- 1LSB)

 

 

Y High Freq Coring Gain

0,1

FIX

0

 

0

 

 

Gain = 1

 

 

 

 

Non Standard Detection Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

H/V counter Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

H/V counter Test Bit

0-3

FIX

0

 

0

 

 

Normal Mode

 

 

 

Non Standard Detection Test Bits

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

H/V counter Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

H/V counter Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

Clock Generator Test Bit

0,1

FIX

1

 

1

 

 

Normal Mode

 

 

 

Clock Generator Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

Clock Generator Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

Clock Generator Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

Horizontal PLL Filter

0,1

FIX

1

 

1

 

 

Quick convergence

 

 

 

Burst PLL Filter

0,1

FIX

1

 

1

 

 

Quick convergence

 

 

 

Burst Extraction Gain

0,1

FIX

0

 

0

 

 

High gain

 

 

 

 

PLL Loop Gain

0,1

FIX

1

 

1

 

 

High gain, quick convergence

 

 

Killer Detection Reference

0-15

FIX

3

 

3

 

 

0: Detection off, 15: High detection sensativity

 

 

Horizontal Sync Slice Level

0-15

FIX

12

 

12

 

 

0: 4LSB, 15: 19LSB

 

 

Vertical Sync Slice Level

0-15

FIX

8

 

8

 

 

0: HSSL + 0LSB, 15: HSSL + 15LSB

 

 

Burst Gate Start Position

0-15

FIX

5

 

5

 

 

0: Hsync center + 2ms, 15: Hsync center +5.75ms

 

 

Internal Burst Gate Pulse Width

0-15

FIX

10

 

10

 

 

0: 0.5ms,

15: 4.25ms

 

 

ADC Clock Delay

0-3

FIX

3

 

3

 

 

0: 0ns, 3: 20.5ns (typical)

 

 

ADC Power Down

0,1

FIX

1

 

1

 

 

Stop ADC when not in use

 

 

Non Standard Detection Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

 

 

CNR Section Test Bit

0,1

FIX

0

 

0

 

 

Normal Mode

 

IMPPIC TA1226

 

Controls both DL APACON and SRT

0-127

Fix by Model

52

52

59

 

52

0: Minimum, 127: Maximum

N

Black Area Detect

0-3

FIX

0

 

0

 

 

0: 10IRE,

1: 20IRE,

2: 30IRE, 3: 40IRE

 

 

SRT Start Amplitude

0-3

FIX

3

 

3

 

 

0: 7IRE, 1: 10IRE,

2: 14IRE, 3: 28IRE

 

 

Controls YNR ON/OFF

0,1

FIX

1

 

1

 

 

YNR ON

 

 

 

 

Gamma Correction Start Point

0-3

FIX

3

 

3

 

 

0: 70IRE,

1: 80IRE, 2: 90IRE, 3: OFF

 

 

1 bit DAC Output

0,1

FIX

0

 

0

 

 

Open

 

 

 

 

1 bit DAC Output

0,1

FIX

0

 

0

 

 

Open

 

 

— 18 —

Page 5
Image 5
Sony AA-2U service manual Adjustment Items 3