Telefunken TTV299 Bruksanvisning

Telefunken Tv TTV299

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Sida 1/6
Service
Manual
MODELS
TTV219/259/299
1
TDA9373/TDA9351Multi-System Chassis
TDA9373/TDA9351 series TV chassis
WAR NING
The power part in this receiver is live. Please use an isolative transformer in servicing.
To prevent electric shock don’t remove cover. Refer servicing to qualified service personnel.
I. Foreword
Phillips UOC series TV chassis is a new generation super single chip chassis developed to
replace 8838, 8842 and 8843. This chassis genuinely combines CPU and main chip and,
compared to original 88XX series chassis, excels in performance, functions and manufacture
process. Besides, the technical design level of semiconductor chips has enjoyed a substantial rise
and belongs to the latest product of analog TV of Phillips. According to different performance
and functions, Phillips UOC has a total of 25 different product series. To meet the market
demand of our company, we have up to now selectively developed and put into batch production
TDA9351 (with teletext) and DA9373 series chips. Chips of other series will be developed and
designed according to market conditions. Main functional differences between TDA9351 and
TDA9373 series chips are as follows:
Contents
I. Fore word………………………………………………………………………………………2
II. Main sizes and remote controller buttons………………………………………………………3
III. Functions of main IC pins……………………………………………………………………..5
IV. Voltages and resistances of main IC pins…………………………………………………….10
V. Main signal flow and voltage flow……………………………………………………………14
VI. Factory commissioning instructions…………………………………………………………15
VII. Quick investigation flow analysis for conventional faults………………………………….21
VIII. Main electrical schematic diagrams…………………………………………………..Annex
IX. Main PCB diagrams…………………………………………………………………….Annex
2
IC VERSION (TDA) 9351 9373
TV range 90r 110r
Mono intercarrier multi-standard sound demodulator 4.5-6.5MHz
with switchable centre frequency
෭ ෭
Audio switch ෭ ෭
Automatic volume leveling ෭ ෭
Automatic volume leveling or subcarrier output (for Comb filter
application)
෭ ෭
PAL decoder ෭ ෭
NTSC decoder ෭ ෭
SECAM decoder ෭
Horizontal geometry (E-W) ෭
ROM size 32k 32k
User RAM size 1k 2.25k
Teletext 1 page
Closed captioning ෭ ෭
II. Main sizes and instructions on usage of keys
1. Main sizes
Note: Only TDA9351 chassis have SECAM system
TV system TV: PAL, SECAM (TDA9351)
AV: PAL, NTSC 3.58,NTSC4.43, SECAM (TDA9351)
Power consumption 14”: 65W 21”:75W 25”:110W 29”:130W
34”:150W
Power supply range AC:150V---AC:260V 㽷཰
Tuning range Full frequency band: VHF, UHF, CATV
Medium band 38.0MHz , 38.9MHz or others
Wireless input impedance 75˖ unbalanced
AV input AV1 , AV2 , SVHS , RGB 㽷ཱ

Produktspecifikationer

Varumärke: Telefunken
Kategori: Tv
Modell: TTV299

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