Teac EU-34HT, Service Manual

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CONTENTS
Contents ................................................................................................................................................................................... 1
Safety Precautions ................................................................................................................................................................... 2
TV Set switched off .................................................................................................................................................................. 2
Measurements .......................................................................................................................................................................... 2
PERI-TV SOCKET ................................................................................................................................................................... 2
SCART 1 ................................................................................................................................................................................... 2
INTRODUCTION ......................................................................................................................................................................... 2
SMALL SIGNAL PART WITH TDA884X .................................................................................................................................. 2-3
TUNER...................................................................................................................................................................................... 4
SOUND OUTPUT STAGE TDA2614 .......................................................................................................................................... 4
VERTICAL OUTPUT STAGE WITH TDATDA8356 ..................................................................................................................... 4
VIDEO OUTPUT AMPLIFIER TDA6107Q .................................................................................................................................... 4
POWER SUPPLY (SMPS) .......................................................................................................................................................... 4
MICROCONTROLLER SDA545X ............................................................................................................................................... 5
SERIAL ACCESS CMOS 8K (1024*8) EEPROM ST24C08 ........................................................................................................ 5
SAW FILTERS ........................................................................................................................................................................... 5
IC DESCRIPTIONS AND INTERNAL BLOCK DIAGRAM ............................................................................................................. 5
TDA8840/TDA8842 ............................................................................................................................................................ 5-6
UV1316/UV1336 ................................................................................................................................................................ 7
TDA2614 ............................................................................................................................................................................ 7-8
TDA8356 ............................................................................................................................................................................ 8
TDA6107Q .......................................................................................................................................................................... 8
MC44604 ............................................................................................................................................................................ 9
SDA545X ............................................................................................................................................................................ 9-11
ST24C08 ............................................................................................................................................................................. 11
G1965M .............................................................................................................................................................................. 11
AK26 CHASSIS MANUAL ADJUSTMENT PROCEDURE .......................................................................................................... 11
For Adjust Settings ............................................................................................................................................................. 11
WHITE BALANCE ADJUSTMENT ........................................................................................................................................ 11
AGC ADJUSTMENT ............................................................................................................................................................ 11
IF-PLL NEGATIVE ADJUSTMENT ........................................................................................................................................ 12
4 : 3 HORIZONTAL SHIFT ADJUSTMENT ....................................................................................................................... 12
4 : 3 VERTICAL SLOPE ADJUSTMENT ........................................................................................................................... 12
4 : 3 VERTICAL AMPLITUDE ADJUSTMENT ................................................................................................................... 12
4 : 3 S-CORRECTION ADJUSTMENT .............................................................................................................................. 12
4 : 3 VERTICAL SHIFT ADJUSTMENT ............................................................................................................................ 12
For Option Settings ................................................................................................................................................................... 12
OPTION 00 .......................................................................................................................................................................... 12-13
OPTION 01 .......................................................................................................................................................................... 13-14
OPTION 02 .......................................................................................................................................................................... 13
OPTION 03 .......................................................................................................................................................................... 14
OPTION 04 .......................................................................................................................................................................... 14
OPTION 05 .......................................................................................................................................................................... 14
OPTION 06 .......................................................................................................................................................................... 14
OPTION 07 .......................................................................................................................................................................... 15
GENERAL BLOCK DIAGRAM OF CHASSIS AK26 ................................................................................................................... 16
ELECTRONIC COMPONENT PART LIST .................................................................................................................................... 17-18