Electrical Specifications - Sharp 28JS-74SS Service Manual

•Power Input .................... 220V-240 Volts AC 50Hz
•Power Consumption
Normal Operation (Method IEC60107) ............ 84W
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 ... 0.08 cm
Dynamic after static equals zero
Within 10cm (4") circle ....................... 0.12 cm
10-25cm (4-10" ) circle ...................... 0.20 cm
Everywhere else ................................ 0.28 cm
•White Level
Set brightness control to get total picture tube cathode current of 600 µA under no signal condition.
Maximum necessary correction of each picture tube cathode current to get 8550 degrees K+1 MPCD
screen temperature should not exceed 15% of its original value.
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.

ELECTRICAL SPECIFICATIONS

X=0.290 ± 0.015
Specifications are subject to change without prior notice.
MODEL DIFFERENCES:
28JS-74S: Base model.
28JS-74SS: Silver Cabinet.
•Focus ....................... High Bi-Potential Electrostatic
•Sweep Deflection ..................................... Magnetic
•Picture Intermediate Frequency................... 38.9MHz
•Sound Carrier Trap................................... 33.4MHz
•Adjacent Sound Carrier Trap ................... 40.4MHz
•Adjacent Picture Carrier Trap.................. 31.9MHz
Ω
.
Ω
•Aerial Input Impedance
VHF/UHF ...................... 75 ohm Unbalanced
•Tuning Ranges........... 48.25 MHz thru 855.25 MHz
VHF: E2-E12 CH / S1 - S41 CH (Hiperband)
UHF: E21 - E69 CH
CATV Special Channels
Y=0.300 ± 0.015
WARNING
3
28JS-74S