ORDER NO. MTNC020307A1 B5 Service Manual Color Television d e i if l p m i S Simplified Manual (NA7DM) Quasar Models Chassis SP-2725F SP-2725UF SC363 SC363 This simplified service manual is issued to add listed models to the simplified service manual, order No. MTNC020101A1 (CT-27G7F); Unique schematics, settings and a complete parts list are included in this simplified service manual. Please file and use this simplified service manual together with the simplified service manual, order No.
Important Safety Notice Special components are used in this television set which are important for safety. These parts are identified on the schematic diagram by the symbol and printed in BOLD TYPE on the replacement part list. It is essential that these critical parts are replaced with the manufacturer’s specified replacement part to prevent X-ray radiation, shock, fire or other hazards. Do not modify the original design without the manufacturer’s permission.
About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and (Cu) although other types are available. This model uses Pb Free solder in it’s manufacture due to environmental conservation issues.
Important Safety Notice . . . . . . . . . . . . . . . . . . . 2 Safety Precautions . . . . . . . . . . . . . . . . . 2 About lead free solder (pbf) . . . . . . . . . . . 3 Service Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 X-Ray Protection Circuit Check & Adjustments . . . . . . . . . . . . . . . . . . 6 Receiver feature table . . . . . . . . . . . . . . . 7 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 A-Board schematic. . . . . . . . . . . . . . . . . . .
Service Notes Note: Some components may be affixed with glue. Be careful not to break or damage foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose. Leadless Chip Component How to Replace Flat-IC (surface mount) - Required Tools - Chip components must be replaced with identical chips due to critical foil track spacing.
X-ray Protection Circuit Check & Adjustments IMPORTANT: To protect against possible damage to the solid state devices due to arcing or static discharge, make certain that all ground wires and CRT DAG wire are securely connected. This test must be performed as final check before the receiver is returned to the customer. If voltages are out of tolerance, immediate service and correction is required to insure safe operation and to prevent the possibility of premature component failure.
Receiver Feature Table FEATURE / MODEL ALL MODELS Chassis SC363 No. of channels 181 Menu language Eng/Span/Fr Closed Caption X V-Chip (USA/CANADA) X 75 Ω input X Remote model number EUR511514 Picture tube M68LGL061X Panablack tube X Comb filter 2 Dig V/A norm V MTS/SAP/DBX X AI Sound X Built-in audio power 1.5W x 2 (10%) Number of speakers 2 A/V in (rear/front) 1 (1 / 0) S-VHS input (rear/front) Dimensions (WxDxH) 1/0 mm in 665.2 x 545 x 594.8 26.2 x 21.5 x 23.
REPLACEMENT PARTS LIST Models: SP-2725F, SP-2725UF Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. TCJ2VF1H103Z PART NO. DESCRIPTION C354 ECKW3D102KBN CAP,C .01UF-Z-50V C357 EEANA1E1R0B CAP,E 1.0UF-25V CAP,C 470PF-K-50V C361 TCJ2VC1H151J CAP,C 150PF-J-50V CAPACITORS C001 REF NO. DESCRIPTION CAP,C .
REPLACEMENT PARTS LIST Models: SP-2725F, SP-2725UF Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. PART NO. REF NO. DESCRIPTION PART NO.
REPLACEMENT PARTS LIST Models: SP-2725F, SP-2725UF Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. REF NO. IC050 TC74HC4066AL HALF TONE (OSD) Q051 2SB709ARTX IC451 LA7838 V. OUT Q052 2SB709ARTX TRANSISTOR IC551 AN78M09LB 9V REGULATOR Q053 2SD601ARTX TRANSISTOR DESCRIPTION PART NO.
REPLACEMENT PARTS LIST Models: SP-2725F, SP-2725UF Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. PART NO. REF NO. DESCRIPTION PART NO. DESCRIPTION R029 ERJ6GEYJ472V RES,M 4.7K-J-1/10W R383 ERJ6GEYJ101V RES,M 100-J-1/10W R032 ERJ6ENF1002V RES,M 10K-F-1/10W R384 ERJ6ENF2701V RES,M 2.7K-F-1/10W R033 ERJ6GEYJ222V RES,M 2.
REPLACEMENT PARTS LIST Models: SP-2725F, SP-2725UF Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. REF NO. DESCRIPTION PART NO. DESCRIPTION R563 ERG1SJ150P RES,M 15-J-1W R3014 ERJ6ENF75R0V RES,M 75.0-F-1/10W R572 ERJ6GEYJ152V RES,M 1.
PARTS LIST ABBREVIATIONS GUIDE RESISTOR TYPE TOLERANCE C Carbon F ± 1% F Fuse J ± 5% M Metal Oxide K ± 10% S Solid M ± 20% W Wire Wound G ± 2% RES, C 270-J-1/4 CAPACITOR TYPE TOLERANCE C Ceramic C ± 0.25pF E Electrolytic D ± 0.5pF P Polyester F ± 1pF S Styrol J ± 5% T Tantalum K ± 10% L ± 15% M ± 20% P +10% -0% Z +80% -20% CAP, P .
A-Board - 14 -
- 15 - A-Board A-Board
A-Board - 16 -
- 17 - A-Board A-Board
A-Board - 18 -
Schematic Notes IMPORTANT SAFETY NOTICE THIS SCHEMATIC DIAGRAM INCORPORATES SPECIAL FEATURES THAT ARE IMPORTANT FOR PROTECTION FROM X-RADIATION, FIRE AND ELECTRICAL SHOCK HAZARDS. WHEN SERVICING IT IS ESSENTIAL THAT ONLY MANUFACTURERS SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS DESIGNATED WITH A IN THE SCHEMATIC. CHIP TRANSISTOR LEAD DESIGNATION B E C SCHEMATIC NOTES 1. 2. 3. 4. 5. Resistors are carbon 1/4W unless noted otherwise. Capacitors are ceramic 50V unless noted otherwise.
® Printed in USA K02032215PL0322
