Page 1
Service Manual ViewSonic N2201w-1M Model No. VS12247-1M 22” LCD TV (N2201w-1M_SM Rev. 1a Jul. 2008) ® ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...
Page 2
Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes.
Power Source, or be applied exemption. (14) The LCD module is designed so that the CFL in it is supplied by Limited Current Circuit. Do not connect the CFL in Hazardous Voltage Circuit. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 5
TV set. 2.Place the TV set on a clean and soft foam pad. Do not place the TV set facedown on the rough obiects, it may scratch TV panel. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Audio Characteristics: AF Output Level Measured via LP 20 kHz Typical. 0.35V rms Filter, RMS Decoder, 75us De-emphasis 10% (max.) 44 dB (min.) Compatible system TUNER NTSC/ATSC/ClearQAM NTSC M Compatible system AV ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 7
Flatness of Amplitude +/- 3 db (at 1KHz @1W) +/- 3 db (at 1KHz @1W) Response Total Harmonic Distortion (Po=0.1 to 1W, f=1KHz) <2% <2% Signal to Noise: 30dB @1 kHz 40dB @1 kHz ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 8
The product firmware of VS12119-1M shall have a firmware version of VSC V2.00M. Any changes/revisions afterward shall also be pre-approved by ViewSonic in written. For VS12247-1M, its firmware shall have a built-in frequency table for NTSC off-air TV/CATV, Closed-Caption, and with MTS implementation.
Page 9
Remote Control minimum operating range at zero angle < 3cm Remote Control operating range at +/-30 degree horizontal angle > 4.5m Life Testing 100,000 cycle operations at a rate of 20~30 cycle / minute without load (with battery) (Buttons) Color ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 10
Refer to Figure 1A-Color Guide Chassis Color Drift Due to UV-Light None Molded Plastic Workmanship shall be inspected according to ViewSonic Molded Plastic Parts Specification, VSCMPPSPEC001V1.2. Screen Printed Parts, Bird Logo Recess Artwork shall be provided and confirmed by ViewSonic.
Press to adjust the volume. buttons 13 CH+/- buttons Press to change the channel. 14 POWER button Press to turn your TV combo on or off or press to leave standby mode. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 12
Press to show the Electronic Program Guide (EPG). Press to select the closed caption mode while in TV mode. TV MENU Press to open the on-screen TV menu. Press to navigate the on-screen menus. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 13
Advanced (PC only): To advanced adjust. • Zoom Mode: To select the zoom mode. • 3DRN: To select the 3DRN function. • Auto (PC only): To activate the auto adjust feature for PC mode . ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 14
Time Zone: To select time zone mode. • DST: To select the DST ON or OFF. • Time Format: To select the time format 12-hour or 24-hour. • Clock: Display the clock time. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 15
US: To set US TV parental control level. • Canada: To set canadian parental control level. • RRT Setting: To set the RRT rating level. • Reset RRT: To reset the RRT to the default settings. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 16
Video Setup Menu — To set Video setup • Sharpness: To set the sharpness level. • Brightness: To set the brightness level. • Contrast: To set the contrast level. • Black Level: To set the black level. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 17
Password: To change the password. The preset factory password is 99999. • Parental: To set the DVD ratings. **No power lock (platform limitation) **Press "INPUT" key on RCU for 10 seconds to do OSD lock and unlock. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
ATSC CC and EPG. Audio: The TDA7266 is a dual bridge amplifier specially designed for TV and Portable Radio applications. BLOCK AND APPLICATION DIAGRAM 470μF 100nF 0.22μF OUT1+ S-GND OUT1- Vref 0.22μF OUT2+ OUT2- PW-GND ViewSonic Corporation N2201w-1M Confidential - Do Not Copy...
Page 19
Block diagram: [ MOPLL-IC ] [ IF AMP-IC ] 44MHz RF-INPUT IF 1 IF 2 SAW-FILTER VHF-High SAW-FILTER 45.75MHz DETECTOR VHF-Low analog demod 4MHz DC/DC Converter RF-AGC. B+(5V) SDA SCL IF OUT IF-AGC ViewSonic Corporation N2201w-1M Confidential - Do Not Copy...
Page 20
LOW-POWER OSCILLATOR PTB3/KBIP7/MOSI/ADP7 INTERFACE MODULE (SPI) 31.25 kHz to 38.4 kHz SPSCK PTB2/KBIP6/SPSCK/ADP6 1 MHz to 16 MHz (XOSC) PTB1/KBIP5/TxD/ADP5 SERIAL COMMUNICATIONS PTB0/KBIP4/RxD/ADP4 INTERFACE MODULE (SCI) VOLTAGE REGULATOR EXTAL XTAL REFH REFL ViewSonic Corporation N2201w-1M Confidential - Do Not Copy...
H. Color temperature verification : USER x=0.313±0.015 y=0.329±0.015 ADC Setting For YPBPR2 Factory Menu R-Gain Video Quality G-Gain ADC Setting B-Gain ColorTemp Setting R-offset G-offset Other Setting B-offset About... ADC Auto Fig. 3 Fig. 4 ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 22
The Audio output meets active extra speaker, examines whether the extra speaker makes the sound. 1.4.9 PC AUDIO FUNCTION TEST Under PC MODE, input PC AUDIO signal, determines whether the action of INT SPEAKER output is right. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 25
2.2.Connection PC to the TV set by the tool as the follow picture (FIG. 1~FIG. 4) Caution: The D_SUB cable must be 15 pin, and the TV set must be AC ON Fig. 1 Fig. 2 Fig. 3 Fig. 4 ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 26
2.3.9. If it clue to "Verify Message Error", "Read" to select upgrade file. please return to setp 6 Click "Run" upgrade again, or return to setp 2 upgrade again. Fig. 4 Fig. 8 ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 27
080620 14:14 SASn 4 080620 14:14 SASn 4 Fixed Release date (Example: 2008.6.20, 14:14) When the changed version displays, the Re-write will be completed. 2.4.9. Turn off the power. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 28
DDC Card RS-232 cable Barcode Reader VGA Cable N2201W-M LCD TV DDC Card RS-232 Cable VGA Cable Barcode Reader 3.2 Setup Procedure 3.2.1 Connect VGA Card and DDC Card with RS-232 cable. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 29
(when key in DVI DDC information, use VGA transform to DVI port ) 3.2.4 Connect Power Cord to N2201W-M LCD TV. DDC Key In Procedure 3.3.1 run DDC exe 3.3.2 Choose model number then ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 30
3.3.3 Press “ENTER” key. 3.3.4 Press “F4” key ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 31
3.3.5 Input bar code 3.3.6 Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED 3.3.7 Exit program. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 32
4.1 Equipment Needed N2201W-M LCD TV RS-232 cable Barcode Reader HDMI Cable N2201W-M LCD TV RS-232 Cable HDMI Cable Barcode Reader 4.2 Setup Procedure 4.2.1 Connect HDMI Card and DDC Card with RS-232 cable. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 33
4.2.3 Connect DDC Card and N2201W-M LCD TV with HDMI Cable. 4.2.4 Connect Power Cord to N2201W-M LCD TV. 4.3 DDC Key In Procedure 4.3.1 Run DDC.exe 4.3.2 Choose model number then ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 34
4.3.3 Press “ENTER” key. 4.3.4 Press “F4” key. ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 35
4.3.5 Input bar code 4.3.6 Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED 4.3.7 Exit program ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 36
1.4 Place the other cushions on the LCD TV,put all the accessories into the carton. At last, close the carton and seal it with tape. (Fig 4) 1.Power Cord 2.Owner Manual 3.QSG Card 4.Remote contrl 5.Battery Fig 3 Fig 4 ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 37
PACKING PART LIST ( N2201w-1 ) ViewSonic Model Number: VS12247-1M Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty N2201W-M Monitor P-00009182 eb44604 DTV-2021 Stand Base Non-woven Fabrics Bag A P-00009181 eb43384 20MF251W/DAM/US Non-woven Fabrics Bag P-00009180 es5474 DTV-2231 Foam Left/Right...
Page 38
DVD Control PCB Ass’y. Unscrew 2 screws and disconnect wires to remove TV Control PCB Ass’y. Unscrew 4 screws and disconnect wires to remove Earphone PCB Ass’y. N2201w-1M ViewSonic Corporation Confidential - Do Not Copy...
Replace RMC PCB No work / LED is red Check if RMC Replace RMC PCB PCB is normal Check if voltage of U2, Replace U2,U25,U29,U49 U25,U29,U49 is normal Replace Main PCB ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 40
CON3 is normal Check if signal of Replace Main PCB LVDS is normal Replace LCD panel No TV Picture Check if voltage Replace Main PCB of U38 pin17 is 5V Replace U38 HF ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 41
Check if signal of Replace connection P4 is normal Check if voltage of Replace U12 U12 pin 8 is normal Check if HDMI signal of Replace U22 U22 pin is normal Replace Main PCB ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 42
Check if volatge of Replace U8 U8 pin 8 is normal Check if signal of U22 pin Replace Main PCB 16,17,21,23,24 is normal Check if signal of Replace U22 LVDS is normal Replace Main PCB ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 43
Check if signal of U22 Replace U22 pin 57,58,61,61 is normal Check if signal of Replace U6 U6 pin 1,7 is normal Check if signal of U31 Replace U31 pin 1,2,14,15 is normal Replace Speaker ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 44
Check if signal of Replace U22 U22 pin 61,62 is normal Check if signal of Replace U6 U6 pin 1,7 is normal Check if signal of U31 Replace U31 pin 1,2,14,15 is normal Replace Speaker ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
7. Block Diagram 1. DVD DVD LOADER SL265WGL 3.3V, 1.8V DVD/CDPD DVD_MENU RF_A, B, C, D, E, F DVD_TRIP STB_DVD VIDEO DVD/CD, DVD_LD, CD_LD DVD PB/C DVD PB/Y V1P4/FMO/FOO DVD_RMC TR+/-, F+/- Motor Drive TRO/STBY/DMO SPINDLE/ MPEG/MICON/DSP/RF_AMP SP+/-, SL+/- D003 STEPING/ DVD POWER CMD5954...
Page 46
SPEAKER ROUT TDA7266S AUDIO AMP DVD_L L OUT 4580 DVD_R 74LV4052 AUDIO SWITCH HD_L SPEAKER LOUT HD_R PHONE OUT PC_L/R HV/VS POWERON MC9S08QG4 REMOCON PCB TV_KEY 24LC02 EPROM OPERATION_PCB DVD_KEY HDMI 24LC02 EPROM ViewSonic Corporation Confidential - Do Not Copy N2201w-1M...
Page 66
LCD PANEL DVD LOADING CON1 DVD CONTROL PCB CON1 CON1 EARPHONE PCB CON3 XS002 MAIN PCB POWER PCB CON5 SPEAKER TV CONTROL PCB AC POWER CON14 RMC PCB...
Page 67
EXPLODED PARTS LIST ( N2201W-1 ) ViewSonic Model Number: VS12247-1M Rev: 1a Serial No. Prefix: R29 Item ViewSonic P/N Ref. P/N Description Q'ty eb52021 DTV-2233 Speaker PC C-00009041 eb52020-1 DTV-2233 Front Cover eb43371 20MF251W/DAM/US Underlay A eb43372 20MF251W/DAM/US Underlay B...
Above listed items are examples, supplier can expand the rows to add more necessary items All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross Remark 2: checks of each item between this version and prior versions.
Page 69
BOM LIST ( N2201w-1 ) ViewSonic Model Number: VS12247-1M Rev: 1a Serial No. Prefix: R29 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty DTV2231-H2 TV Control PCB Ass'y ea9731 DTV2630(DC1M9) CONTROL WIRE ea6434 EVQ11L04W ea6434 EVQ11L04W ea6434 EVQ11L04W...
Page 90
Add: Tel: Fax: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com) Confidential - Do Not Copy...