Sharp 21M-FG1L Colour Television Chassis No. GA6 Owner’s Manual

21M-FG1L Colour Television Chassis No. GA6

Owner’s Manual

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 indentical to those specified should be used.

ELECTRICAL SPECIFICATIONS

• POWER INPUT……………………….AC 110-220 V, 50/60 Hz
• POWER RATING ……………………………………………..85W
  PICTURE SIZE ………………………..1,239 cm2(192sq inch)
• CONVERGENCE ……………………………………… Magnetic
• SWEEP DEFLECTION ……………………………. .. Magnetic
• FOCUS ……………………………………………….. Electrostatic

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… …………………. 3.0 W(RMS) x 2pcs

SPEAKER
SIZE ……………………………………………….. 2” X 3.5”, 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.)

Specifications are subject to change without prior notice.

This document has been published to be used for after sales service only.
The contents are subject to change without notice.

CHAPTER 6. WAVEFORMS

[1] WAVEFORMS

CHAPTER 7. CHASSIS LAYOUT

[1] CHASSIS LAYOUT

CHAPTER 8. BLOCK DIAGRAM

[1] BLOCK DIAGRAM: CRT UNIT

[2] BLOCK DIAGRAM: MAIN UNIT

CHAPTER 9. DESCRIPTION OF SCHEMATIC DIAGRAM

DESCRIPTION OF SCHEMATIC DIAGRAM

NOTES:
1. The unit of resistance “ohm” is omitted.
(K=kΩ=1000Ω, M=MΩ)
2. All resistors are 1/16 watt, unless otherwise noted.
3. All capacitors are μF, unless otherwise noted.
(P=pF=μμF)
4. (G) indicates ±2% tolerance may be used.
5. indicates line isolated ground.

VOLTAGE MEASUREMENT CONDITIONS:
1. All DC voltages are measured with DVM connected between points indicated and chassis ground, line voltage set at 120V AC and all controls set for normal picture unless otherwise indicated.
2. All voltages measured with 1000μ V B & W or Color signal.

WAVEFORM MEASUREMENT CONDITIONS:
1. Photographs taken on a standard gated color bar signal, the tint setting adjusted for proper color. The wave shapes at the red, green and blue cathodes of the picture tube depend on the tint, color level and picture control.
2.  Ο> indicates waveform check points (See chart, waveforms are measured from point indicated to chassis ground.)

CHAPTER 10. SCHEMATIC DIAGRAMS

[1] SCHEMATIC DIAGRAM: CRT UNIT

[2] SCHEMATIC DIAGRAM: MAIN UNIT

CHAPTER 11. PRINTED WIRING BOARD ASSEMBLIES
[1] PWB-A: MAIN UNIT (Wiring Side)

[2] PWB-A: MAIN UNIT (Chip Parts Side)

[3] PWB-B: CRT UNIT (Wiring Side)

[4] PWB-B: CRT UNIT (Chip Parts Side)