Sharp 14a2s Owners Manual

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UA1 HOTEL
 MODE 
APPLICA
TION
How to enable/disable the Hotel Mode ?
Ans: a) Press the R/C (FUNCTION) {1} key until language selection appear, within five second press the (one/two
digit) {2} key and keep pressing it for five second, then you can see the hotel mode with four digits pass-
word.
b) Key in the four  digits password starting with number 1, 3, 7, 9, then the hotel mode will be enable,
you can switch on/off the hotel mode by using R/C (volume up/down) {3} key.
* We recommend
Before set the hotel mode, it is better to choose ch 1 & set s-vol level Up to 75% full scale.
After set hotel mode, starting channel will be always ch 1 & maximum sound level out will be set the half of
full scale.
* If you set hotel mode in AV, starting channel will be the last ch which you received before power off (same as
normal operation)CONDITION:
When using hotel mode, user can control contrast, brightness, sharpness and tint function.
But after power off, it will return to the initial setting.
You cant use:--
Preset mode
Fine tuning
Skip mode
System selection
The others function is allowed to be used.#1  Ch 1 is your selected channel
for hotel mode.
HOTEL ON
PASSWORD ****
Set vol up/down by R/C key.
Input 1,3,7,9 by R/C key. 
						

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TOP VIEW
SOLID STATE DEVICE BASE DIAGRAM
M24C04W
FX0008GE D601AB709A
85
14
43
12
2SC1815
2SC2482PST573J
DX0386CE
       BASE
    COLLECTOR
EMITTER        BASE
    COLLECTOR
EMITTER
BCEKA7808
KA7805
123
ANODE
    (RED)
CATHODE
    (COMMON)
ANODE
    (GREEN)
   
123 1     3
SE115N
STRF6653
STRF6654TDA7056A
PX0423CE
2SD1877
2SD2586
112
+    ~     ~     -
2R:BG:
COLLECTORCOLLECTOR
BASE EMITTER
2SC2735
2R
COLLECTOR
BASE EMITTER BASE EMITTER
18
LA701613
15
TA48M03313572468
9
TDA8357
iX3368CE
SIDE VIEW 
						

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WAVEFORMS 
						

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MODEL 14A1-RU CHASSIS LAYOUT 
						

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MODEL 14A2-RU CHASSIS LAYOUT 
						

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DESCRIPTION OF SCHEMATIC DIAGRAM
SAFETY NOTES:
1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE
REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS
POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OP-
ERATING.
IMPORTANT SAFETY NOTICE:
PARTS MARKED WITH  Π (                   ) ARE IMPOTANT FOR
MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE
THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE
SAFETY AND PERFORMANCE OF THE SET.
SERVICE PRECAUTION:
THE AREA ENCLOSED BY THIS LINE ( ÑÐ - ÑÐ ) IS DIRECTLY
CONNECTED WITH AC MAINS VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN ISOLATING TRANS-
FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE
HAZARD OF ELECTRIC SHOCK.
NOTES:
1. The unit of resistance ohm is omitted.
(K = 1000 ohms, M = Mega ohm).
2. All resistors are 1/8 watt, unless otherwise noted.
3. All capacitors are 
mF, unless otherwise noted. (P = mmF).
VOLTAGE MEASUREMENT CONDITIONS:
1. Voltages in parenthesis measured with no signal.
2. Voltages without parenthesis measured with 3mV B & W or Col-
our signal.
3. All the voltages in each point are measured with VTVM.
WAVEFORM MEASUREMENT CONDITIONS:
1. The colour bar generator signal of  1.0V peak applied at pin (24)
of IC201.
2. Approximately 4V AGC bias . 
						

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SCHEMATIC DIAGRAM: CRT Unit 
						

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SCHEMATIC DIAGRAM: MODEL 14A1-RU MAIN Unit 
						

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SCHEMATIC DIAGRAM: MODEL 14A2-RU MAIN Unit 
						

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BLOCK DIAGRAM - 1/3:MODEL 14A1-RU MAIN Unit
PWB-A: MAIN Unit