28KF-84H (serv.man2). Electrical — Sharp TV Service Manual (repair manual)

Model
28KF-84H (serv.man2)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
58.61 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / Electrical
File
28kf-84h-sm2.pdf
Date

View Sharp 28KF-84H (serv.man2) Service Manual online

3
28KF-84H
ELECTRICAL SPECIFICATIONS
White Level
Set brightness control to get total picture tube cathode current of 600 
µ
A under no signal condition.
Maximum necessary correction of each picture tube cathode current to get 8950 degrees
 
K-20 MPCD
screen temperature should not exceed 15% of its original value.
X=0.290 ± 0.015         Y=0.284 ± 0.015
                                            WARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug
and power receptacle, when servicing this chassis.
To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer servicing to
qualified service personnel.
Focus ................. High Bipotencial Electrostatic
Sweep Deflection ............................. Magnetic
Picture Intermediate frequency .......... 38.9MHz
Sound  Carrier Trap ........................... 32.9MHz
Adjacent Sound Carrier Trap ............. 40.9MHz
Adjacent  Picture  Carrier Trap ........... 30.9MHz
Aerial Input Impedance
VHF/UHF ................. 75 ohm Unbalanced
Tuning Ranges ..... 45.75MHz thru 855.25 MHz
VHF: IR A - J / CC01-CC68 (Hiperband)
UHF: I21 - I69 CH
Specifications are subject to change without prior notice.
Power Input .................... 220V-240 Volts AC 50Hz
Power Consumption
Normal Operation (Method IEC60107) ...............100W
Stand-by Operation ..........................................1.5W
Audio Power Output Rating (MPO) / Impedance
Internal Left Speaker ................................. 10W, 7
Internal Right Speaker ............................... 10W, 7
Speakers
Left / Right ................................................. 12 x 6cm
Convergence (Maximum Misconvergence)
Static (Centre) between any two colours  ... 0.03 cm
Dynamic after static equals zero
Within 28 x 15 cm rectangle ........... 0.13 cm
56 x 30 cm rectangle........................ 0.15 cm
Everywhere else .......................................... 0.18 cm

Download Sharp 28KF-84H (serv.man2) Service Manual (Repair Manual)

Here you can view online or download Sharp 28KF-84H (serv.man2) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp 28KF-84H (serv.man2) CTR. Information contained in Sharp 28KF-84H (serv.man2) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).