Magnavox 27TP83 C101 Manuel de service télécharger pdf (Page 28)

MAIN CHASSIS SCHEMATIC NOTES:

UNLESS OTHERWISE SPECIFIED:

1. ALL VOLTAGES AND WAVEFORMS WERE TAKEN UNDER THE FOLLOWING

CONDITIONS:

- LINE VOLTAGE MAINTAINED AT 120VAC, 60Hz VIA AN ISOLATION

TRANSFORMER.

- SET IN SDM (SERVICE DISPLAY MODE). To enter SDM, press 0-6-2-5-9-6-Menu

on the remote control.

- ALL VOLTAGES WERE TAKEN FROM MODEL TS2774C101.

2. ALL WAVEFORMS WERE TAKEN WITH AN NTSC SIGNAL GENERATOR

DELIVERING 10mVp-p AT THE ANTENNA INPUT.

3. ON VOLTAGE CHARTS:

- VOLTAGES IN THE "Signal" COLUMN WERE TAKEN WITH AN NTSC SIGNAL

GENERATOR DELIVERING 10mVp-p AT THE ANTENNA INPUT.

- VOLTAGES IN THE "No Signal" COLUMN WERE TAKEN WITH NO SIGNAL

APPLIED.

- VOLTAGES IN THE "Standby" COLUMN WERE TAKEN WITH THE SET IN

STANDBY MODE (Power supplied to the chassis, set turned off).

4. ALL VOLTAGES ARE POSITIVE DC WITH RESPECT TO GROUND IN THAT

SECTION OF THE CHASSIS, AND MAY VARY DUE TO NORMAL PRODUCTION

TOLERANCES.

5. COMPONENT AND SPECIAL SYMBOLS:

* INDICATES A COMPONENT WHICH WILL VARY DEPENDING ON SCREEN

SIZE, PRODUCTION DATES, AND OPTION FEATURES INSTALLED. PLEASE

SEE THE REPLACEMENT PARTS LIST FOR SPECIFIC PART INFORMATION.

• INDICATES A COMPONENT IS AN SMD ”CHIP“ TYPE COMPONENT, AND AS

SUCH WILL BE LOCATED ON THE BOTTOM Side OF THE CBA.

6. A HIGH VOLTAGE OSCILLOSCOPE PROBE (100:1) IS NEEDED TO MEASURE THE

WAVEFORM AT THE HORIZONTAL OUTPUT TRANSISTOR (PART # 7620).

7. SPARK GAPS SHOWN ON THE CRT SCHEMATIC ARE INTERNAL TO THE CRT

SOCKET.

8. THE NUMBERS 1a THROUGH 38b, SHOWN IN ENCLOSED BOXES,

CORRESPOND TO THE WAVEFORM PHOTOGRAPHS.

9. FOR VOLTAGE, WATTAGE, AND TOLERANCE RATINGS OF RESISTORS AND

CAPACITORS, PLEASE SEE THE ELECTRICAL REPLACEMENT PARTS LIST.

10. INDICATES PCE REPLACEMENT PART NUMBER ONLY.

MAIN CHASSIS WAVEFORM NOTES:

UNLESS OTHERWISE SPECIFIED:

ALL WAVEFORMS WERE TAKEN UNDER THE FOLLOWING CONDITIONS:

- LINE VOLTAGE MAINTAINED AT 120VAC, 60Hz VIA AN ISOLATION

TRANSFORMER.

- SET IN SDM (SERVICE DISPLAY MODE). TO ENTER SDM, PRESS

0-6-2-5-9-6-MENU ON THE REMOTE CONTROL.

- ALL WAVEFORMS WERE TAKEN FROM MODEL TS2774-C101.

- ALL WAVEFORMS WERE TAKEN WITH AN NTSC SIGNAL GENERATOR

DELIVERING 10mVp-p AT THE ANTENNA INPUT.

- SWEEP TIME/CM SETTINGS ARE SHOWN WITH THE FIGURES IN THE

CALIBRATED POSITION.

- THE ACTUAL SWEEP TIMES AND VOLTAGES PRESENT ARE SHOWN

WHEREVER POSSIBLE.

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 82 83

Commentaires sur ces manuels

Pas de commentaire

Magnavox 27TP83 C101 Manuel de service Page 28

Commentaires sur ces manuels

Produits connexes et manuels pour Télévisions à tube cathodique Magnavox 27TP83 C101