Service manual

2
37GQ-20H
ELECTRICAL SPECIFICATIONS
•Power Input .......................220V-240 Volts AC 50Hz
•Power Consumption
•Audio Power Output Rating .....................2W (MPO)
Speaker............................32
Ω 2W, 8cm Round, 1pc
Normal Operating...................................30W
Stand-by Operating................................7.5W
(Method IEC60107)
•White Level
Set brightness control to get total picture tube cathode current of 600 milliamperes under no signal condition.
Maximum necessary correction of each picture tube cathode current to get 8950 degree K-20 MPCD screen
temperature should not exceed 15% of its original value.
X=0.290 Y=0.284
WARNING
The chassis in this receiver is partially live, always use an isolation transformer when
servicing this chassis.
To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer
servicing to qualified service personnel.
Convergence.........................Self Converging System
Focus....................................Bi-Potencial Electrostatic
Sweep Deflection...........................................Magnetic
Specifictions are subject to change without prior notice.
•Aerial Input Impedance
VHF/UHF...........................75 ohm Unbalanced
•Tuning Ranges ............471.25MHz thru 855.25 MHz
(CH21-CH69)
•Picture Intermediate Frecuencie.....
.........38.9MHz
•Sound Carrier Trap.............................32.9MHz
•Adjacent Sound Carrier Trap................40.9MHz
•Adjacent Picture Carrier Trap...............30.9MHz