J4RTCM1570S15-inch Color Monitor

February 26, 1999 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 SUBJECT:DONG HO Electric Co., Ltd. FCC ID: J4RTCM1570S Gentlemen: Submitted herewith, on behalf of DONG HO Electric Co., Ltd. is an application for certification of the following 15-inch color monitor: FCC ID:J4RTCM1570S MODEL:TCM-1570S EUT TYPE:15-inch Color Monitor Max. Resolution(s):1280x1024 Non-interlaced @ 64kHz/60Hz Attached is the letter of authorization, modification letter, measurement report (Radiation emission data, Line Conducted emission data and test plots), FCC ID label and location, test setup photographs, internal and external photographs, block diagram, and user's manual. Should you have any questions or comments concerning the above, please contact the undersigned. cc: Dong Ho Electric Co., Ltd.

Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd.

© 1999 PCTEST Lab FCC ID SAMPLE LABEL LOCATION LABELLING REQUIREMENTS PER §§ 2.925 & §§ 15.19 The Label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time of purchase. (SEE NEXT PAGE)

Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd. Test Report S/N: B.990224125.J4RFCC Class B Test Date(s): February 24-25, 1999Certification © 1998 PCTEST LabFCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electronics Co., Ltd.

© 1999 PCTEST Engineering Lab., Inc. PCTEST Engineering Laboratory, Inc. 6660-B Dobbin Road 6660-B Dobbin Road •• Columbia, MD 21045 Columbia, MD 21045 •• U.S.A. U.S.A. TEL (410) 290-6652 TEL (410) 290-6652 •• FAX (410) 290-6654 FAX (410) 290-6654 http://www.pctestlab.comhttp://www.pctestlab.com CERTIFICATE OF COMPLIANCE DONG HO Electric Co., Ltd.Dates of Tests: February 24-25, 1999 111-1, Seungnae-Ri, Chisu-Myeun,Test Report S/N: B.990224125.J4R Chinju-City, Kyungsangnam-Do,Test Site: PCTEST Lab., MD U.S.A. KOREA 663-890Job No.: STE #901 Attn: Jin Young Jung, Manager FCC ID J4RTCM1570S APPLICANT DONG HO ELECTRIC CO., LTD. Rule Part(s): FCC Part 15 Subpart B Equipment Class: Class B Peripheral Device (JBP) EUT Type: 15-inch Color Monitor Max. Resolution(s): 1280 x 1024 Non-interlaced @ 64kHz/60Hz Trade Name(s): Dong Ho Electric Co., Ltd. Model(s): TCM-1570S This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified is ANSI C63.4-1992 (Note Codes: #37). I attest to the accuracy of data. All measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. PCTEST certifies that no party to this application has been denied the FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a) Lab Code 100431-0 © 1999 PCTEST Engineering Laboratory, Inc. FCC Class B TABLE OF CONTENTS ATTACHMENT A: COVER LETTER(S) ATTACHMENT B: ATTESTATION STATEMENT(S) ATTACHMENT C: TEST REPORT SCOPE 1 INTRODUCTION (SITE DESCRIPTION) 2 PRODUCTION INFORMATION 3 DESCRIPTION OF TESTS (CONDUCTED) 4 DESCRIPTION OF TESTS (RADIATED) 5 LIST OF SUPPORT EQUIPMENT 6 TEST DATA (CONDUCTED) 7 TEST DATA (RADIATED) 8 SAMPLE CALCULATIONS 9 ACCURACY OF MEASUREMENT 10 LIST OF TEST EQUIPMENT 11 TEST SOFTWARE USED 12 RECOMMENDATION / CONCLUSION 13 ATTACHMENT D: TEST PLOTS ATTACHMENT E: FCC ID LABEL & LOCATION ATTACHMENT F: BLOCK DIAGRAM(S) ATTACHMENT G: SCHEMATIC DIAGRAM(S) ATTACHMENT H: TEST SETUP PHOTOGRAPHS ATTACHMENT I: EXTERNAL PHOTOGRAPHS ATTACHMENT J: INTERNAL PHOTOGRAPHS ATTACHMENT K: USER’S MANUAL Test Report S/N: B.990224125.J4RFCC Class B Dates of Tests: February 24-25, 1999Certification © 1999 PCTEST Lab15” Color Monitor (Model: TCM-1570S)1 DONG HO Electric Co., Ltd. FCC ID: J4RTCM1570S MEASUREMENT REPORT Scope - Measurement and determination of electromagnetic emissions (EME) of radio frequency devices including intentional and/or unintentional radiators for compliance with the technical rules and regulations of the Federal Communications Commission. Company Name:DONG HO ELECTRIC CO., LTD. Address:111-1, Seungnae-Ri, Chisu-Myeun, Chinju-City, Kyungsangnam-Do, KOREA 663-890 Attention:Mr. Jin Young Jung - Manager • FCC ID:J4RTCM1570S • Equipment Class:B Digital Device / Peripheral (JBP) • EUT Type:15-inch Color Monitor • Trade Name:Dong Ho Electric Co. Ltd. • Model:TCM-1570S • Max. Resolution:1280 x 1024 Non-interlaced @ 64kHz/60Hz • Frequency Range:H-Sync: 30kHz – 70kHz V-Sync: 50Hz – 120Hz • Cable(s):Shielded D-Sub with ferrite PC end • Power Cord:Shielded • Rule Part(s):FCC Part 15 Subpart B • Test Procedure(s):ANSI C63.4 (1992) • Dates of Tests:February 24-25, 1999 • Place of Tests:PCTEST Lab, Columbia, MD U.S.A. • Test Report S/N:B.990224125.J4R • Job No.:STE #901 Test Report S/N: B.990224125.J4RFCC Class B Dates of Tests: February 24-25, 1999Certification © 1999 PCTEST Lab15” Color Monitor (Model: TCM-1570S)2 DONG HO Electric Co., Ltd. FCC ID: J4RTCM1570S 1.1 INTRODUCTION The measurement procedure described in American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9kHz to 40GHz (ANSI C63.4-1992) was used in determining radiated and conducted emissions emanating from DONG HO Electric Co., Ltd. 15-inch Color Monitor FCC ID: J4RTCM1570S. These measurement tests were conducted at PCTEST Engineering Laboratory, Inc. facility in New Concept Business Park, Guilford Industrial Park, Columbia, Maryland. The site address is 6660-B Dobbin Road, Columbia, MD 21045. The test site is one of the highest points in the Columbia area with an elevation of 390 feet above mean sea level. The site coordinates are 39° 11'15" N latitude and 76° 49'38" W longitude. The facility is 1.5 miles North of the FCC laboratory, and the ambient signal and ambient signal strength are approximately equal to those of the FCC laboratory. There are no FM or TV transmitters within 15 miles of the site. The detailed description of the measurement facility was found to be in compliance with the requirements of § 2.948 according to ANSI C63.4 on October 19, 1992. 1.2 PCTEST Location The map at right shows the location of the PCTEST Lab, its proximity to the FCC Lab, the Columbia vicinity area, the Baltimore-Washington International (BWI) airport, and the city of Baltimore, and the Washington, D.C. area. (see Figure1). Figure 1. Map of the Greater Baltimore and Metropolitan Washington, D.C. area. Test Report S/N: B.990224125.J4RFCC Class B Dates of Tests: February 24-25, 1999Certification © 1999 PCTEST Lab15” Color Monitor (Model: TCM-1570S)3 DONG HO Electric Co., Ltd. FCC ID: J4RTCM1570S 2.1 Product Information 2.2 Equipment Description The Equipment Under Test (EUT) is the DONG HO Electric Co., Ltd. (Model: TCM-1570S) 15-inch Color Monitor FCC ID: J4RTCM1570S. Maximum Resolution(s):1280 x 1024 Non-interlaced H-Sync: 64kHz / V-Sync: 60Hz Frequency Range:H-Sync: 30kHz – 70kHz V-Sync: 50Hz – 120Hz Max. Bandwidth:100MHz CRT Picture Tube:15-inch (Samsung M36QAM351X111) 90° deflection, Semi-Tint, Non-Glare Dot Pitch:0.26 mm Power Supply Input:100-240 VAC, 50/60Hz Power Consumption:75 W max. Power C…

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Test Report S/N: B.990224125.J4R FCC Class B Test Date(s): February 24-25, 1999 Certification © 1999 PCTEST Lab FCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electric Co., Ltd. Test Report S/N: B.990224125.J4R FCC Class B Test Date(s): February 24-25, 1999 Certification © 1999 PCTEST Lab FCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electric Co., Ltd. Test Report S/N: B.990224125.J4R FCC Class B Test Date(s): February 24-25, 1999 Certification © 1999 PCTEST Lab FCC ID: J4RTCM1570S NVLAP Lab Code: 100431-0 DONG HO Electric Co., Ltd.