Panasonic CT-32D30CB Teknik Servis Verileri - Sayfa 3

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CUT

CUT-OFF ADJUSTMENTS

CUT

-OFF ADJUSTMENTS

Follow same procedure used for Sub adjustments.

Cut-Off Adjustment Range and Default Levels

Adjustment

Rang

Range

Rang

Default Le

Default Level

vel

On-Set

On-Set V V V V V alue

On-Set

alue

Red Cutoff (C0)

0-255

128

Green Cutoff (C1)

0-255

128

Blue Cutoff (C2)

0-255

128

User Brightness (C3)

0-63

Green Drive (C4)

0-127

Blue Drive (C5)

0-127

Drive C Temp (C6)

0-127

Contrast C Temp (C7)

0-127

Color

Color T T T T T emperature (C0,

Color

emperature (C0, C1,

emperature (C0,

C1,

C1, C2,

C1,

C2, C4,

C2,

C4,

C4, C5 )

C4,

C5 )

NOTE: Observe low and high brightness areas of a B/W picture for proper tracking.

Enter serviceman mode and select Cut-Off adjustments. Set the red cutoff (C0),

green cutoff (C1), and blue cutoff (C2) for a gray picture. Set the green drive (C4)

and the blue drive (C5) for correct white areas.

OPTIONS ADJUSTMENTS

Follow same procedure used for Sub adjustments.

Options Adjustment Range and Default Levels

Default

On-Set

Default

On-Set

Adjustment

Rang

Range e e e e

Rang

Le Le Le Le Level

vel

V V V V V alue

alue

ABL Gain (S0)

0-3

ABL Point (S1)

0-3

RGB Brightness (S2)

0-15

RGB Gamma (S3)

0 , 1

Color Gamma (S4)

0 , 1

VSM-G (S5)

0 , 1

BS Point (S6)

0-7

Clock Adjust (S7)

0-255

128

109

Loud Comp (S8)

0-31

Caption Dig Filter SW (S9)

0 , 1

Caption Scroll (Sa)

0 - 2

RGB Matrix (Sb)

0-7

RGB Matrix Comp (Sc)

0-7

Cloc

Clock Adjustment (S7)

Cloc

k Adjustment (S7)

Connect a frequency counter to pin 13 of IC001. Turn receiver off. Record the

frequency. Turn the receiver on and enter the serviceman mode and select options

adjustments. Select clock adjustment (S7). Adjust (S7) based on the following

formula:

(S7) = 128 + .901 X 1000000 [244.1406 - pin 13 (measured in Hz)]

244.1406

MISCELLANEOUS ADJUSTMENTS

PIP ADJUSTMENTS

PIP adjustments can be entered but no adjustments should be necessary. They are

factory set for normal PIP performance. Write original On-set values in case one of

the adjustments is changed by mistake. Confirm that the values are as shown for

default level.

PIP Adjustment Range and Default Levels

Default

On-Set

Adjustment

Rang

Range e e e e

Rang

Le Le Le Le Level

vel

V V V V V alue

alue

PIP Color (P0)

0-127

PIP Tint (P1)

0-255

PIP Brightness (P2)

0-31

PIP Contrast (P3)

0-127

Up 1/9 (P4)

0-255

Down 1/9 (P5)

0-255

143

Left 1/9 (P6)

0-255

Right 1/9 (P7)

0-255

101

Up 1/16 (P8)

0-255

Down 1/16 (P9)

0-255

160

Left 1/16 (Pa)

0-255

Right 1/16 (Pb)

0-255

116

PIP Freerun (Pc)

N/A

PIP YDL (Pd)

0-15

STEREO ADJUSTMENTS

All adjustments were made using a MTS TV / stereo generator connected to the

antenna terminal. Set the customer controls to normal listening levels and select

stereo mode.

MTS Adjustment Range and Default Levels

Adjustment

Rang

Range e e e e

Rang

Default Le

Default Level

vel On-Set

vel

On-Set

On-Set V V V V V alue

On-Set

Input Level (M0)

0-63

Low - Level Separation (M1)

0-15

High - Level Separation (M2)

0-63

Input Le

vel (M0)

Input Level (M0)

Input Le

vel (M0)

On generator select pilot, 1kHz audio frequency, and L+R modulating signal.

Connect an oscilloscope to pin 22 of IC2201. Enter serviceman mode and select

stereo adjustments. Select input level (M0). Adjust the data value for 1Vp-p.

High Le

High Level Separation (M1) and Lo

High Le

vel Separation (M1) and Lo

vel Separation (M1) and Low Le

vel Separation (M1) and Lo

w Le

w Level Separation (M2)

w Le

vel Separation (M2)

On generator select pilot, 300Hz audio frequency, and left modulating signal.

Connect an oscilloscope to pin 22 of IC2201. Enter serviceman mode and select

stereo adjustments. Select low level separation (M1). Adjust the data value for

minimum amplitude of waveform. On generator select 8kHz audio frequency. Select

high level separation (M2). Adjust the data value for minimum amplitude of the

waveform. Repeat until no further decrease in amplitude can be obtained.

continued

COMB FILTER ADJUSTMENTS

COMB FIL

TER ADJUSTMENTS

NOTE: Write down original On-set values in detail before making any adjustments

in case a misadjustment occurs.

Comb Filter Adjustment Range and Default Levels

Default

Adjustment

Range e e e e

Rang

Le Le Le Le Level

vel

Adjustment

Rang

vel

Comb Clip Level (X0)

0 - 255

152

Comb Switch (X1)

0 - 63

Comb Limit (X2)

0 - 63

Comb Core (X3)

0 - 127

Comb RF Delay (X4)

0 - 127

Comb Video Delay (X5)

0 - 127

Comb VMLM (X6)

0 - 127

Comb VMCO (X7)

0 - 63

Comb Sharp (X8)

0 - 255

123

Comb VM Level (X9)

0 - 255

255

Comb VMPKF (Xa)

0 , 1

Comb H Lock Mode (Xb)

0 , 1

Comb H Lock (Xc)

0 - 511

Comb H Sep 1 (Xd)

0 - 511

313

Comb H Sep 2 (Xe)

0 - 511

266

Comb Sub H Lock Mode (Xf)

0 , 1

Comb Sub H Lock (X10)

0 - 511

Comb Sub H Sep 1 (X11)

0 - 511

313

Comb Sub H Sep 2 (X12)

0 - 511

266

PIN CUSHION ADJUSTMENTS

Follow same procedure used for Sub adjustments.

Pin Cushion Adjustment Range and Default Levels

Default

alue

Default

Adjustment

Rang

Range e e e e

Le Le Le Le Level

vel

H Position (D0)

0 - 31

V Size (D1)

0 - 63

V S Correction (D2)

0 - 7

V Lin Correction (D3)

0 - 15

E/W Trapezium (D4)

0 - 15

V AGC (D5)

0 , 1

V Position (D6)

0 - 7

V Centering (D7)

0 - 127

V Centering DAC SW (D8)

0 , 1

V BLK Start Phase (D9)

0 - 31

V BLK Stop Phase (Da)

0 - 31

Horizontal Centering (D0)

Tune in a crosshatch pattern. Enter serviceman mode and select Pin Cushion

adjustments. Select horizontal position (D0) adjustment and adjust crosshatch

pattern for correct horizontal centering.

V V V V V er er er er ertical Siz

tical Size (D1)

tical Siz

e (D1)

Tune in a crosshatch pattern. Enter serviceman mode and select Pin Cushion

adjustments. Select vertical size (D1) adjustment and adjust crosshatch pattern for

little over scan at the top and the bottom of the screen.

Impor

Important P

tant P

tant Par ar ar ar arts Inf

The parts listed here are those not

usually available from a well-stocked

On-Set

V V V V V alue

alue

supply cabinet or bin.

152

Where items may be replaced with

equivalent parts, several alternates are

shown from participating vendors.

On the parts lists, safety items are

marked with a # # # # # to remind you that only

exact replacements are recommended

123

for these items.

255

When ordering parts, state the model

number, part number, and description.

313

266

Obtaining Par ar ar ar arts ts ts ts ts

Obtaining P

313

266

Many of these parts are available from your

local Sams authorized distributor or the

manufacturer of the equipment. Call Sams

for the name of your nearest distributor:

On-Set

V V V V V alue

alue

Or consult the Sams Annual Index for the

address of the original equipment

manufacturer.

P P P P P ar ar ar ar articipating

ticipating V V V V V endor

ticipating

Information on test equipment and

replacement parts is listed in these pages

for the following participating vendors.

Consult the Sams Annual Index for their

current address.

NTE Electronics, Inc. (NTE)

Sencore, Inc.

SET 4554

Pa a a a a g g g g g e 1

e 1

ts Inf

ts Information

ts Inf

ormation

800-428-7267

endor

endors s s s s