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SERVICE DATA FILE NO. 050-467 PAL-B/G SVSTEM
TOSHIBA
COLOUR TELEVISION
2812DNT:2512DNT
SPECIFICATIONS Input Power Rating: Aeriallnput Impedance: Receiving Channels:
143 watts (2812DNT), 140 watts (2512DNT). AC 220 volts, 50 Hz 75 ohm unbalanced PAL-B/G Standard: VHF UHF type tor VHF and UHF cannels 2 to 4, 5 to 12, S1 to S20 and S21 to S41 channels 21 to 69 38.9 MHz 33.4 MHz 34.47 MHz on diagonal of viewable picture area). on diagonal of viewable picture area).
Intermediate Frequencies:
Picture I-F carrier frequency Sound I-F carrier frequency Colour sub-carrier frequency 2812DNT; A66ECY13X31, 660 mm (measured 2512DNT; A59ECY13X31, 590 mm (measured 110' deflection 10.0 watts (at 10% harmonic distortion) x 2 120 mm x 60 mm oval. 2pcs
Picture Tube:
Sound Output: Speakers: Aux. Terminals: Cabinet: Dimensions:
70 mm x 60 mm 2 pcs
Headphone Jack, 21 pin socket, S-VIDEO / AUDIO socket, AUDIO / VIDEO INPUT socket, External speaker terminai Table type Height Width Depth 39 kg (2812DNT). 27.3 kg (2512DNT) TELETEXT reception, Digital stereo system, OFF-timer (2812DNT) 557 mm 814 mm 487 mm (2512DNT) 513 mm 734 mm 455 mm
Weight: Features:
Specifications
are subject to change without notice.
Printed in Japan Nov. 1991 ~
ADJUSTMENT METHOD
1. OUTLlNE Since each IC used is of 12C bus control type, readjustment of the TVs also needs adjustment through 12Cbus contra!. In the service made, sub-bright, deflection system subadjustments, picture system sub-adjustments can be made easily with user remote control unit. 2. SERVICE MODE OPERATlON 2-1. How to Enter the Service Mode
FOR SERVICING
3. ADJUSTMENT IN THE SERVICE MODE 3-1. Service Mode Level Adjustments (1) Push
0 + [:;jj key (simultaneous push) (item UP) or 0 + l' key (simultaneous push) (item ON) to select item to be adjusted.
(2) Adjust with the level UP/ON (VOL UP/ON key) key.
0 + G)key (simultaneous push) cut off:
(NO VERTICAL OEFLECTION) ON/OFF
3-2. Other Service Mode Adjustments
+ G-I (simultaneous push) ~
0
G)key
~ @key ~ G)key ~ @key
D
Service made in
Service made
2-2. How to Exit from the Service Mode Exit the service made by turning the power on/off with the remote contra!.
4.
ROM DATA LlST FOR nc BUS CONTROL
RAM No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Symbol SUB SBM SCN SCM SCL SC3 STI HPS SS4 SS3 IGR FLT RFA LVE Maa M01 M02 HIT LlN VSC VPS VCP WID DPC CNR KEY HCP VMC Comment SUB BRIGHTNESS BRIGHTNESS ADJUST. WIDTH SUB CONTRAST CONTRAST MINIMUM SUB COLOUR SUB COLOUR 3.58 SUB TINT H. POSITION SHARPNESS CENTER 4.43 SHARPNESS CENTER 3.58 STEREO SEPARATION TONE FILTER RF AGC VIDEO OUTPUT LEVEL MODE 0 MODE1 MODE 2 HEIGHT V. LlNEARITY V S CORRECTION V. POSITION V. COMPENSATION WIDTH PARABOLA CORNER KEY STONE H. COMPENSATION V
(Reference Valua) Data
* 31
28 32 10 34 31 44
* 25
20 50 33 43 15 02
* 30
33 31
* 39
20
* 36 * 29
63
* 24
63 41
f
CORRECTION
* Asterisked data are changeable depending on each TV. Standard data are indicated.