SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its
original condition and only parts identical to those specified should be used.
COLOR TELEVISION
Chassis No. GA-
4
Page
»
ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
»
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
»
LOCATION OF USER'S CONTROL .....................................................................................................
4
»
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................
5
»
SERVICE MODE ...................................................................................................................................
6
»
ADJUSTMENT METHOD ..................................................................................................................
... 7
»
CHASSIS LAYOUT .............................................................................................................................
1
4
»
BLOCK DIAGRAM ..............................................................................................................................
1
5
»
DESCRIPTION OF SCHEMATIC DIAGRAM ......................................................................................
1
9
»
SCHEMATIC DIAGRAMS
.....
...
..............................................................................................................
20
»
PRINTED WIRING BOARD ASSEMBLIES
.........................................................................................
24
»
REPLACEMENT PARTS LIST......................
.......................................................................................
28
»
PACKING OF THE SET
.........................................
.............................................................................
34
CONTENT
S
SPEAKER
SIZE ................................................................... 5 x 12 cm, 2pcs
VOICE COIL IMPEDANCE ............................ 16 ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF ..................................................... 75 ohm Unbalanced
TUNING RANGES
VHF-Channels ............................................................... 2 thru 13
UHF-Channels ............................................................ 14 thru 69
CATV Channels ........................................................... 1 thru 125
(EIA, Channel Plan U.S.A.)
POWER INPUT ............................................... AC 1
1
0
-220
V, 60 Hz
POWER RATING .................................................................... 90W
PICTURE SIZE .......................................... 1,239 cm
2
(192sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ................................................................................. Uni-Bi
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 45.75 MHz
Sound IF Carrier Frequency ...................................... 41.25 MHz
Color Sub-Carrier Frequency .................................... 42.17 MHz
(Nominal)
AUDIO POWER
OUTPUT RATING ........................................
4
W(RMS) x 2pcs
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODELS
SERVICE MANUAL
W21FL
Summary of Contents for W21FL
Page 14: ...6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT 14 W21FL ...
Page 15: ...6 5 4 3 2 1 A B C D E F G H CRT BLOCK DIAGRAM 15 W21FL ...
Page 16: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MTS BLOCK DIAGRAM 16 W21FL ...
Page 17: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MAIN BLOCK DIAGRAM W21FL 17 ...
Page 18: ...10 11 12 13 14 15 16 17 18 19 W21FL 18 ...
Page 20: ...6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit 20 W21FL ...
Page 21: ...A B C D E F G H 10 9 8 7 6 5 4 3 2 1 SCHEMATIC DIAGRAM MAIN 1 Unit W21FL 21 ...
Page 22: ...17 16 19 18 15 14 13 12 11 10 W21FL 22 ...
Page 23: ...A B C D E F G H 10 9 8 7 6 5 4 3 2 1 SCHEMATIC DIAGRAM MTS Unit 23 W21FL ...
Page 26: ...6 5 4 3 2 1 A B C D E F G H PWB B CRT Unit Wiring Side W21FL 26 ...
Page 34: ...PACKING OF THE SET W21FL 34 ...