3
21LF-90N
ELECTRICAL SPECIFICATIONS
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.
Specifications are subject to change without prior notice.
MODEL DESTINATION (Operation Manual Languages)
21LF-90NES:
Español, Português.
AREA
21”
A
0.3
BC
1.0
DE
1.0
FGHJ
1.3
KLMN
1.2
F’G’H’J’
1.2
STUV
1.1
•
Picture Intermediate frequency
L’ ................................................ 33.9MHz
L, B/G, D/K .............................. 38.9MHz
•
Sound Carrier Trap
L’ ................................................ 40.4MHz
L, D/K ......................................... 32.4MHz
B/G ............................................ 33.4MHz
•
Adjacent Sound Carrier Trap
L’ ................................................ 32.4MHz
L, D/K, B/G ................................ 40.4MHz
•
Adjacent Picture Carrier Trap
L’ ................................................ 41.9MHz
L, D/K ...................................... 30.9MHz
B/G ............................................ 31.9MHz
•
Aerial Input Impedance
VHF/UHF ................. 75 ohm Unbalanced
•
Tuning Ranges ..... 48.25MHz thru 855.25 MHz
VHF: S1 - S41 CH (Hiperband)
E2 - E12 / F2 - F10
UHF: E21 - E69
•
Power Input .................... 220V-240 Volts AC 50 Hz
•
Power Consumption
Normal Operation (Method IEC60107) .............. 62 W
Stand-by Operation .......................................... < 3 W
•
Audio Power Output Rating (MPO) / Impedance
Internal Left Speaker ................................. 4 W, 16
Ω
Internal Right Speaker ............................... 4 W, 16
Ω
•
Speakers
Speaker elliptic (2 pcs) .......................... 50 x 120 mm
•
Convergence (Maximum Misconvergence)
•
White Level
Apply the rated voltage at the rated frequency to the TV set, while it is receiving full white pattern RF signal of 60
dB/µV from its RF input via the pattern generator.
Turn all picture controls to maximum value. Measure the colour temperatures at the center of the screen by
using the colour analyzer.
X=0.290 ± 0.015 Y=0.300 ± 0.015
mm
Summary of Contents for 21LF-90N
Page 6: ...6 21LF 90N CHASSIS LAYOUT Mother Unit CRT Unit Headphone Unit ...
Page 48: ...36 AK 44 CHASSIS 1 I H G F E D C B A 2 3 4 5 6 7 18 4 Schematic Diagram of Audio Circuit ...
Page 52: ...40 AK 44 CHASSIS 1 I H G F E D C B A 2 3 4 5 6 7 18 7 Schematic Diagram of CRT Socket Circuit ...
Page 55: ...43 AK 44 CHASSIS Notes ...