Toshiba 14N21NS service manual Tint, Confirmation of Fixed Value Step No, NO. Function

Page 16

ELECTRICAL ADJUSTMENTS

2-13: TINT

1.Receive the PAL color bar pattern. (Audio Video Input)

2.Using the remote control, set the brightness and contrast to normal position.

3.Connect the oscilloscope to TP023.

4.Activate the adjustment mode display of Fig. 1-1and press the channel button (20) on the remote control to select "TINT".

5.Press the VOL. +/- button on the remote control until the section "A" becomes a straight line. (Refer to Fig. 2-2)

"A"

Fig. 2-2

2-14: Confirmation of Fixed Value (Step No.)

Please check if the fixed values of the each adjustment items are set correctly referring below.

NO. FUNCTION

RF

AV

02

AGC GAIN

00

---

04

R CUTOFF

00

---

06

G CUTOFF

00

---

07

B DRIVE

45

---

09

V POSI (50)

15

---

10

V POSI (60)

00

---

18

BRIGHT MAX

30

30

19

BRIGHT MIN

10

10

20

TINT

30

ADJ.

21

SHARP

03

07

23

CONTRAST MAX

45

45

24

CONTRAST MIN

10

10

26

COLOR MAX

45

45

27

COLOR MIN

10

10

30

M B CUT OFF

127

---

31

CVBS OUT

31

---

32

APR THRESHOLD

00

---

33

BELL FILTER

00

---

34

BANDPASS

00

---

35

H POSI OSD

135

---

36

V POSI OSD

57

---

37

H POSI TEXT

130

---

38

V POSI TEXT

57

---

D-3

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Contents Colourtelevision HOW to Order Parts Insulation Check ProcedureServicing Notices on Checking A1-1Contents General Specifications Timer On ScreenDisplay OSD LanguageRemote FeaturesControl Accessories WeightInterface Set SizeCarton Disassembly Instructions InstallationRemoval of Anode CAP RemovalRemoval and Installation of Flat Package IC B2-1B2-2 Confirmation of Hours Used Service Mode ListSet Key Remocon Key Operations When Replacing Eeprom Memory IC INIAdjustment Procedure Electrical AdjustmentsBasic Adjustments Horizontal Position Vertical POSITION, Vertical LinearityVertical Size Bright CentConfirmation of Fixed Value Step No TintNO. Function Purity and Convergence Adjustments Static Convergence Rough AdjustmentPurity Static ConvergenceCRT PCB Main PCBBlock Diagram Printed Circuit Boards MAIN/CRT Inserted Parts Solder SidePrinted Circuit Boards MAIN/CRT Chip Mounted Parts CUTAccessory ResetAV1 Power R03AB2PXGPIFROM/TO Power CON+8V GND G OutoutChroma IC201 STV2246C FM CAP Audio OUT GND D SDA SCL Slpf LBF/SSC OUT Vert BCL/SAFCritical for SAFETY,USE Ones FROM/TO Sound AMPSOUND+B SoundgndFROM/TO CHROMA/SIF/VIF/21PIN OUT Vout Vamp Abcl Hout AFC Ramp GeneratorHeight ADJ MHEFROM/TO Power SW1CHROMA/SIF/VIF/21PIN Swaudioin Frontvideoin AudiooutMICON/TUNER WaveformsCHROMA/SIF/VIF/21PIN DEFLECTION/CRT Sound AMPMechanical Exploded View J1-1 REF. NO. Part no DescriptionElectrical Replacement Parts List REF. no Description ResistorsJ2-2 REF. no Description Resistors CapacitorsJ2-3 J2-4 REF. no Description Miscellaneous