ViewSonic E50C Support Question
ViewSonic E50C Support Question
Find answers below for this question about ViewSonic E50C.Need a ViewSonic E50C manual? We have 3 online manuals for this item!
Question posted by noeltinu on April 27th, 2012
S M P S Side, I Replace Ka 2545, K3842, Almst All Pts Bt No 300v In 220\450 Y?
15'' crt monitor ireplace ka2545,uc3842,220/450,all capacitors, resistors nad doios are good. but in filtering capsitor not coming 330v can you help me?
Current Answers
Related ViewSonic E50C Manual Pages
E50C/SB-7 User Guide, English - Page 3
...8226;ɹ Consult the dealer or an experienced radio/TV technician for compliance could void your authority to part 15 of FCC Rules.
Compliance Information
FCC Statement This device complies with the instructions, may cause undesired operation. Operation... the equipment as amended by the party responsible for help. The mark indicates the requirement NOT to radio communications.
E50C/SB-7 User Guide, English - Page 4
... when the unit has been damaged in accordance with one wider than the other devices (including amplifiers) that it will be unused for replacement of time.
14.
Do not use this equipment when it is easily accessible.
11. A grounding type plug has two blades and a third grounding prong. The...
E50C/SB-7 User Guide, English - Page 13
...menus and control screens. Adds blue to degauss the display:
automatically by turning the monitor on, or manually by selecting the Degauss control from the menu. User Color- Individual...color temperatures and User Color which allows you to degauss the monitor manually. ViewMeter displays the frequencies (horizontal and vertical) coming from the menu, press button [2] to choose language in ...
E50C/SB-7 User Guide, English - Page 18
...description of the problem, and (e) the serial number of the Maintenance Guarantee Card.
4.3: ViewSonic CRT Monitor Warranty
ViewSonic E50cB/E50cSB
CRT_LW03 Rev. 1D 06-30-06
16 c. You will , at ... caused by ViewSonic. g. Limited Warranty
VIEWSONIC® CRT MONITOR
What the warranty covers: ViewSonic warrants its sole option, repair or replace the product with a like product. and Canada: For...
Service Manual - Page 3
...is especially designed to the customer.
4. The current measured should not exceed 0.5 milliamp. To ensure continued X-ray protection, replace the picture tube only with American National Standards Institute (ANIS C101.1, Leakage Current for Appliances), and Underwriters Laboratories (UL Publication...than 1.0 megohm or greater than 5.2 megohms, an abnormality exists that there are replaced.
Service Manual - Page 4
... goggles equipped with a permanently attached deflection yoke; Some "in this unit. A replacement part that the replacement picture tube is not isolated from the picture tube.
18. Example: Do not ...add auxiliary audio or video connectors. Also, any potential hazards.
1-2
15. Some TV chassis...
Service Manual - Page 6
... damage caused by touching a known earth ground. After removing an ESD-equipped assembly, place it prior to damage an ESD.
1-4
Samsung Electronics Do not remove a replacement ESD from your body by static electricity.
2. Precautions
1-3 Precautions for Electrostatically Sensitive Devices (ESDs)
1. Such components are ready to damage ESDs.
7. examples include integrated circuits...
Service Manual - Page 13
... if color shading is switched ON. The degaussing coil operates for about 6 feet before replacing any parts.
8. Ensure that the high voltage does not exceed 30 KV under any wires...Check the basic characteristics such as specified on . The B+ power supply should be OFF for good black and white details. Alignment and Adjustments
4. Usually, a color TV-VCR needs only ...
Service Manual - Page 14
... Adjustment
1.
Table 1. Screen Adjustment Table
No
INCH / CRT
IBRM
WDRV
CDL
1
14" / SDI
205
35
100
2
15PF / SDI
220
35
180
3
21" 1.7R / SDI
220
35
180
4
20V 10.0R/SDI
205
35
115
5
21PF / TSB
220
35
180
6
21PF / LG
230
35
230
7
21PF / SDI
220
35
210
8
25PF / SDI
210
35
160
9
27V...
Service Manual - Page 15
... modes. 9. Select STANDARD from the menu. 2. Enter the "Video Adjust1".
- Adjust "Sub Bright" so that Y (luminance) becomes 65 ft ± 3. - Alignment and Adjustments
4-6 E2PROM (IC902) Replacement
1. Turn the power switch ON.
4. Warm up the TV for at least for 30 minutes. 5. Adjust "Sub Contrast" so that Y (luminance) becomes 1.2ft ± 0.3. - Enter...
Service Manual - Page 16
...the Channel Up/Down buttons to move the cursor in the figure below. When CRT, CRT PCB, FBT, E2PROM (sometimes MICOM) is changed, the value of E2PROM ... Service Mode is entered, the initial screen is as shown in the adjustment parameters. If check sum value is replaced, the adjustment values should be operated.)
4-4
Samsung Electronics To enter the "Service Mode", Press the remote-control ...
Service Manual - Page 21
... 15" FLAT
MRC R GG2BAdjust MRC R G B ModMeal x MRWDG
IBRM
FIX
CL66T3XBKW2550
110TXK2767 110
11C0L25D4W 110
11T0XK2554 11T0XK2566
210
205
21T0XK2567
T1X1K02750 T1X1K02754
210
TXK2060 T1X1K02066 T1X1K02067 205
1C1T0-15A8 110 220
WDRV...110
35 112105110
110
35 110810010
110
IBRM
FIX 210
205
210
210 205 220
Samsung EWleDcRtVronics
FIX
35
35
35
35
35
35
4-9
CDL
FIX 170
120...
Service Manual - Page 24
... 1-10 FIXFIX
1 FIXFIX FIXFIX
5 FIXFIX 5 FIXFIX FIXFIX
H ContFrIoXl L H CoCnotnrotrlol
L Control
27V 1.3R
TX2K72V7618.3R
TX1K082768 0108 00 -220 8-22 18
OOOOFFOOFFFFFFFFSSFFSS7EESSEETT1EETTTT 57 75
275/295735FL 27257/259/52915.23F5LFL
275/295 1.2FL
15" FLAT 15" FLAT CL1155"AF8LAT CL15A8
C1L1105A8
0110 00 80 -10 8 1-10 OOOOFFOOFFFFFFSSFFSS7FFEEEESSTT1TTEETT 57 75 275/295795FL 2752/7259/52925...
Service Manual - Page 29
5. Troubleshooting
5-1 No Power
Troubleshooting
Disconnect the Power Cord
Check Power LED
LED ON
Check IC901 Normal Pin 5 6
Check IC901 Pin 50
Normal
Check/Replace IC803, 805
Abnormal
Check the voltage of
IC803, 805
LED OFF
Abnormal
Abnormal
Normal
Check IC901 B+
Normal
Abnormal
Check IC803
Check the voltage of
IC804
...
Service Manual - Page 30
... heater
Normal
Check RK,GK,BK Signal
Abnormal
Check R.G.B Signal
output from
input to CRT PCB
CRT PCB
Check the fusible resistance of abnormal volatge line
Abnormal
Normal
Check B+
(200V, 16V)
Normal Check CRT and FBT
Abnormal
Normal
Check / Replace IC201
Check the signal output from IC201 Pin
63
Abnormal
Check tuner B+ and Main...
Service Manual - Page 31
... Speaker and Wire
Check the signal output
Abnormal
from CN601,
602 Pins
Check
Abnormal the signal input
to IC602 pins
4 ,12
Normal
Normal
Normal
Check/Replace IC601
Check IC601 B+
Abnormal Check B+ Line (8V)
Check the signal input to IC601 Pin
47
Abnormal
Check tuner B+ and SIF
Check IC602 B+
Abnormal
Normal
Check...
Service Manual - Page 32
Troubleshooting
5-4 Horizontal Lines Appear on screen
Horizontal Lines Apper on screen
Normal
Normal
Check/Replace IC301
Check the VDP Signal output from IC201
Pin 31
Abnormal
Check IC201
Check IC301 B+ (16V, -16V)
Abnormal
Check B+ Line and the fusible resistance of R425, 424
5-4
Samsung Electronics
Service Manual - Page 36
...DUAL,26dB,PL H/SINK
IC-PWMCONTROLLER;3S1265R,TO-3P,5P,210,P H/SINK
IC-VOLTAGEREGULATOR78R08,TO-220,4P,P
IC-POSI.FIXEDREG.;7806,TO-220,
H/SINK
IC-MCU;SDA555X-OTP,SDA555X-OTP,-,-,52
IC-EEPROM,24L161,16KBIT,DIP,8P,300MIL,10...
IC-POSI.FIXEDREG.78RM33,TO-220,3P,PLAST
IC-VOL.DETECTOR;7025,T0-92,3P,PLASTIC
INLAY-COVER;D2,D3,PVC-SHEET,...
Service Manual - Page 42
...,D
DZ306 0403-000700 DIODE-ZENER;TZP33A,33V,31-35V,
DZ401 0403-001325 DIODE-ZENER;MTZJ15C,14.35-15.09V,500mW,D
DZ402 0401-000005 DIODE;1N4148,100V,300mA,,1V,8nS,TAPING
DZ501 0403-001211 DIODE-ZENER;MTZJ12B...1103-001171 IC-EEPROM,24L161,16KBIT,DIP,8P,300MIL,10
IC903 1203-001944 IC-POSI.FIXEDREG.78RM33,TO-220,3P,PLAST
IC904 1203-001943 IC-VOL.DETECTOR;7025,T0-92,3P,PLASTIC
INLA/PCB AA64-01230B ...
Service Manual - Page 48
...KS3A,NTSC,-, IC-VIDEO PROCESS;VDP3130Y-B1,DIP,64P,760 IC-POSI.FIXEDREG.78RM33,TO-220,3P,PLAST IC-LINEAR;LA7845SIPVERTICALAMP IC-VOLTAGECOMP.393,DIP,8P,300MIL,DUAL, IC-VIDEOAMP;...,RED/GRN COIL LINEARITY;-,50uH,DR14x20,11mm,18x38 FILTER-LINE NOISE;-,16MH,1.5A,AC100~260V FILTER-LINE NOISE;-,16MH,1.5A,AC100~260V THERMISTOR NTC;4.7OHM,15%,2900K,35.0MW,T POSISTOR;PTH631D02BF7ROM140TDE PHOTOCOUPLER;TR,130...
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