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ALIGNMENT PROCEDURE AND OPTION SETTING

Entering SERVICE mode
Service mode is entered by selecting the “mute” remote key and local “down” simultaneously with the sharpness DAC set to
Minimum and programme position 99 selected.
Service mode 2 is selected by pressing the Recall remote key while in service mode 1.
Service mode navigation
- Up /Down remote keys                                        :cycle through the service items available.
- -/+ remote keys                                                   :Decrement/Increment the values within range.
- TV/AV                                                                  :Store the current data.
- 0 – 7 digit keys                                                    :Toggle bits 0-7 in option byte (service mode 2).

Order

Item

Range

1

Cut off (VG2)

LED ON , LED OFF

2

Vertical slope

0-63

3

Vertical Shift

0-63

4

Vertical amplitude

0-63

5

Horizontal shift

0-63

6

Red Cut

0-63

7

Green Cut

0-63

8

Red Drive

0-63

9

Green Drive

0-63

10

Blue Drive

0-63

11

AGC

0-63

12

Sub-Colour

0-63

13

Sub-Brightness

0-63

Sub-Colour:

Set sub-colour to 16.

Sub-Brightness:

Set sub-colour to 33.

G2 alignment:

Before entering into service mode, recall the nominal picture setting :remote key “N”.
From this setting, increase brightness by 11 steps and reduce sharpness to minimum.
Tune a colour bar signal on Prg 99 and enter into SVC mode. In SVC mode , select “G2” item 
and press – or + remote key to control software disable vertical deflection. The user must then 
adjust G2 voltage on FBT, to find the point where LED is ON. Press – or + remote key to return 
to normal SVC mode.

White balance:

- Select a dark picture and adjust Red Cut and Green Cut to the desired colour temperature.
- Select a bright picture, set Blue Drive to 32 and adjust Red Drive, and Green Drive to the 
  desired colour temperature.

4

Summary of Contents for TC-14B4

Page 1: ...Audio 32 9MHz 33 16MHz 33 4MHz 40 4MHz 32 4MHz A2 STEREO 33 05MHz 34 05MHz NICAM 32 66MHz 32 4MHz CZECH STEREO Colour 34 47MHz PAL 34 5MHz 34 65MHz SECAM Terminals AV1 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ RGB 21 pin Audio RCA x 1 500mV rms 10kΩ Video RCA x 1 1V p p 75Ω AV1 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ Picture Tube A34EAC01X06 34cm High Voltage 26 5 1kV A...

Page 2: ...receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite LEAKAGE CURRENT HOT CHECK 1 Plug the a c cord directly into the a c outlet Do not use an isolation transformer for this check...

Page 3: ...SERVICE HINTS How to remove the rear cover 1 Remove the 10 screws as shown in Fig 2 LOCATION OF CONTROLS 3 Fig 2 SCREWS SCREWS Fig 3 Screen Y Board Focus E Board ...

Page 4: ...Cut 0 63 7 Green Cut 0 63 8 Red Drive 0 63 9 Green Drive 0 63 10 Blue Drive 0 63 11 AGC 0 63 12 Sub Colour 0 63 13 Sub Brightness 0 63 Sub Colour Set sub colour to 16 Sub Brightness Set sub colour to 33 G2 alignment Before entering into service mode recall the nominal picture setting remote key N From this setting increase brightness by 11 steps and reduce sharpness to minimum Tune a colour bar si...

Page 5: ...8 CIRCUIT BLOCK DIAGRAM ...

Page 6: ...NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List 3 16 6 5 10 13 12 9 14 11 7 2 1 15 4 PARTS LOCATION 7 ...

Page 7: ... DBYW36 DIODE D510 DTZX3V9B DIODE D511 DTZX3V9B DIODE D520 1N4148 DIODE D521 1N4148 DIODE D710 DTZX5V1B DIODE D801 DBYT51J DIODE D802 DBYT51J DIODE D803 DBYT51J DIODE D804 DBYT51J DIODE D811 DTZX5V6B DIODE D820 DBYW76 DIODE D821 DBYW36 DIODE D822 DTZX9V1B DIODE D824 1N4148 DIODE D825 1N4148 DIODE D840 1N4148 DIODE D841 1N4148 DIODE D904 DBAV21 DIODE D905 DBAV21 DIODE D906 DBAV21 DIODE DA02 DTZX12C...

Page 8: ...8 ERD25TJ101 0 25W 5 100 CARBON R589 ERD25TJ101 0 25W 5 100 CARBON R592 ERD25TJ103 0 25W 5 10K CARBON R593 ERD25TJ103 0 25W 5 10K CARBON R594 ERD25TJ103 0 25W 5 10K CARBON R595 ERD25TJ473 0 25W 5 47K CARBON R596 ERD25TJ302 0 25W 5 3K CARBON R597 ERD25TJ153 0 25W 5 15K CARBON R598 ERD25TJ153 0 25W 5 15K CARBON R599 ERD25TJ221 0 25W 5 220 CARBON R601 ERD25TJ432 0 25W 5 4K3 CARBON R602 ERD25TJ332 0 2...

Page 9: ...ECT C593 ECEA1ES101 25V 100pF ELECT C599 ECEA1H229 50V 2 2µF ELECT C600 ECEA1ES101 25V 100pF ELECT C601 ECEA1H108 50V 0 1µF ELECT C603 ECEA1CS471 16V 470µF ELECT C650 ECEA1ES470 25V 47pF ELECT C770 ECEA1CS101 16V 100pF CERAMIC C771 CBZF1H104Z 50V 100nF CERAMIC C803 ECCR3A472J 1KV 4 7nF CERAMIC C804 ECCR3A472J 1KV 4 7nF ELECT C805 CEYN2G101P 400V 100µF ELECT C806 ECEA1H330 50V 33pF CERAMIC C807 ECC...

Page 10: ...4B4RCB EXPLODED VIEW BACK COVER 7 4852151400 BATTERY COVER REMOTE 9 UR51EC946 4 CABINET 10 4852071721 MODEL LABEL 11 PSMA1V5312 PANASONIC BADGE 12 4855623201 POWER BUTTON 13 4854943503 REMOTE CONTROL 14 EUR511380 TUNER 15 UV1316 A Y P C B 16 485Y 14B4C MISCELLANEOUS COMPONENTS CONTROL BUTTONS 4851934302 AV COVER 4857538301 BATTERY PACK UM 3DJ 2P INSTRUCTION BOOKS GERMAN TQB8E3509A 3 DUTCH TQB8E350...

Page 11: ...43Y TRANSISTR Q808 2SC5343Y TRANSISTR Q809 2SC5343Y TRANSISTR Q810 2SC5343Y TRANSISTR Q811 2SC5343Y FILTERS SAW FILTER SF2 5PL9653M RESISTORS CARBON R103 ERD25TJ123 0 25W 5 12K CARBON R153 ERD25TJ222 0 25W 5 2K2 CARBON R156 ERD25T163J 2W 5 16K CARBON R157 ERD25TJ562 0 25W 5 5K6 CARBON R159 ERD25TJ222 0 25W 5 2K2 CARBON R160 ERD25TJ682 0 25W 5 6K8 CARBON R161 ERD25TJ102 0 25W 5 1K CARBON R162 ERD25...

Page 12: ...479 25V 4 7µF CERAMIC C602 ECCR1H103J 50V 10nF FILM C801 CL1JB3474K 250V 470nF CERAMIC C812 CH1AFE472M 4kV 4700pF DIFFERENCES FOR MODEL TX 14B4TF EXPLODED VIEW BACK COVER 7 4852151402 BATTERY COVER REMOTE 9 UR51EC904A CABINET 10 4852071723 MODEL LABEL 11 PMMA1V5L22 PANASONIC BADGE 12 48556232SS01 POWER BUTTON 13 4854943506 REMOTE CONTROL 14 EUR511300 Y P C B 16 485Y 14B4F MISCELLANEOUS COMPONENTS ...

Page 13: ... 100nF ELECT C154 ECEA1H479 50V 4 7µF ELECT C155 ECEA1H479 50V 4 7µF ELECT C156 ECEA1H479 50V 4 7µF ELECT C315 ECEA2A470 100V 47pF ELECT C502 ECEA1H220 50V 22pF ELECT C522 ECEA1H479 50V 4 7µF CERAMIC C602 ECCR1H223J 50V 22nF FILM C801 CL1UC3474M 250V 470nF CAPACITO C812 CH1BFE472M 4kV 4 7nF 14 ...

Page 14: ...15 NOTES ...

Page 15: ...t at time of printing and are subject to change without notice REMARKS a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure Con...

Page 16: ......

Page 17: ...PRINTED CIRCUIT BOARD ...

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