Safety Precautions - Haier HS-2190 Service Manual

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1. TECHNICAL SPECIFICATION & SAFETY
PRECAUTIONS
POWER SUPPLY: AC 160~250V, 50/60Hz
Tuning system: voltage synthesized type auto-search
PIF:
38.9MHz
Soud output: 3W
Power consumption: 70W
Antenna input impedance: 75Ω
Receiving system:
a) Color system: PAL SECAM
b) Broadcast TV system: B/G D/K
Language displayed: English /Arabic
Video input: 1.0V
Video output: 1.0V
Audio input: 436m Vrms (40KΩ)
Audio output: 436m Vrms (more than 600KΩ)

SAFETY PRECAUTIONS

IMPORTANT SAFETY NOTICE
These parts are identified by many electrical and mechanical parts in this chassis
have special safety-related characteristics. !
Replacement Parts List.
It is essential that these special safety parts should be replaced with the same
components as recommended in this manual to prevent X-RADIATION, Shock, Fire,
or other Hazards.
Do not modify the original design without permission of the manufacturer.
General Guidance
An Isolation Transformer should always be used during the servicing of a receiver
whose chassis is not isolated from the AC power line. Use a transformer of adequate
power rating as this protects the technician from accidents that might result in
personal injury caused by electrical shocks.
It will also protect the receiver and it's components from being damaged by
accidental shorts of the circuitry that might be inadvertently introduced during the
service operation.
(75Ω)
P-P
(75Ω)
P-P
AV: NTSC3.58MHz/4.43MHz
in the Schematic Diagram and
fine tuning system
3

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