Zenith SMS2550S Uživatelský manuál stáhnout pdf

ZENITH

E:fact® Technical Service Data

INDEX

Parts List

Coils & Transformers

Miscellaneous

Controls & Resistors

Capacitors & Electrolytics

Cabinet Parts

Semiconductors, 2 pages

Schematics ................... Location

Television ................. 2A, 2B

Television ................. 2C, 2D

Power Supply .................. 2E

System Control ............ 1A, 1B

Tuner ...................... 1C, 1D

Placement Chart

Models

SMS2549S

SMS2549SM

SMS2550S

Circuitry not used in some versions.

Circuitry used in some versions.

Ground

Chassis ground

Common tie point

Taken from common tie point

Schematic voltage source tie point.

Cabling: Heavy lines reduce use of multiple lines.

Waveforms and voltages are taken from ground, unless

noted otherwise.

Waveforms taken with triggered scope and keyed rainbow

generator. Waveform voltage is peak to peak. Timebase

is per division. Waveforms shown at 10 divisions.

Supply voltages maintained as seen at input.

Voltages measured with digital meter and a 1000µV RF

signal, with colorbar pattern, applied to antenna terminal.

Controls adjusted for normal operation.

Capacitors are 50 volts or less, 5% or greater unless noted.

Electrolytic capacitors are 50 volts or less,

20% or greater unless noted.

Resistors are 1/2W or less, 5% or greater unless noted.

Value in ( ) used in some versions.

Measurements with switching as shown, unless noted.

Rated voltage shown on zener diodes.

For SAFETY use only equivalent replacement part,

see parts list.

SCHEMATIC NOTES

To purchase a complete paper version

of this service manual, order

PHOTOFACT

set #3503

To place the order, contact your local

Sams Distributor or call our Customer

Service operation at 1-800-428-7267.

For E:fact ordering or information,

use the following web site link.

http://www.hwsams.com/efact.html

Product #083503

1 2 3 4 5 6 ... 13 14

Shrnutí obsahu

Strany 1 - Technical Service Data

ZENITHE:fact® Technical Service Data INDEXParts ListCoils & TransformersMiscellaneousControls & ResistorsCapacitors & ElectrolyticsCabi

Strany 2 - PARTS LIST

Strany 3 - PARTS LIST continued

Strany 4

Strany 5

Strany 6

Strany 7 - SEMICONDUCTORS

PARTS LIST COILS & TRANSFORMERSItem No. Function/Rating Mfr. Part No.DY1 Yoke 100° 95-3608-04Horiz .79mHVert 10mHL1200 22µH 20-4277-26AL1201 AFT 2

Strany 8 - SEMICONDUCTORS continued

PARTS LIST continuedMISCELLANEOUSItem No. Description Mfr. Part No. NotesCR2200 Crystal 224-27A 3.58MHzCR2212 Resonator 224-131 503kHzCR6000 Crystal 2

Strany 9

CONTROLS & RESISTORSItem No. Function/Rating Mfr. Part No. NTE Part No.R1208 5000 RF AGC 63-11007-25 -R2106 10K Vertical Size 63-11007-27 -R3201

Strany 10

PARTS LIST continuedCAPACITORS & ELECTROLYTICSItem No. Rating Mfr. Part No.C1218 18pF 5% 50V NPO 22-8241-16AC1219 68pF 5% 50V NPO 22-8241-30AC122

Strany 11

PARTS LIST continuedCABINET PARTSItem Part No.Model SMS2549SCabinet Front 14-12142-19Cabinet Rear 14-12181Cabinet Tray 14-12143-01Jack Panel - Antenna

Strany 12

C3483 - - - - - CR800, 01 - 103-398 - - - CR1201 - 103-279-18A - - - CR2100 - 103-326A NTE552 ECG552 SK9000 CR2201 - 103-279-18A - - - CR2202 -

Strany 13

# QX3410 - 121-1146A NTE123AP ECG123AP SK3854# QX3412- 121-1299 - - -TUNER CR1, 2 - 103-488A - - - CR3 - - - - - CR4, 5 - 103-487A - - - CR7, 8 -

Strany 14