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SERVICE MANUAL
This service manual shows only the differences between
the model DWT1905 and the original model ST419E.
All other information is described in the service manual
of the model ST419E.
19" COLOR
TELEVISION
DWT1905
The difference from the original model ST419E in ELECTRICAL
ADJUSTMENT INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Schematic Diagrams / CBA's and Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Different parts from the original model (ST419E) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
TABLE OF CONTENTS
SUPPLEMENT
MENU
VOLUME
CHANNEL
VIDEO
AUDIO
EARPHONE
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Related Manuals for Durabrand DWT1905
Summary of Contents for Durabrand DWT1905
- Page 1 SUPPLEMENT SERVICE MANUAL This service manual shows only the differences between the model DWT1905 and the original model ST419E. All other information is described in the service manual of the model ST419E. 19″ COLOR TELEVISION DWT1905 MENU VOLUME CHANNEL VIDEO...
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Page 2: Adjustment Instructions
The difference from the original model ST419E in ELECTRICAL ADJUSTMENT INSTRUCTIONS For 3-1. Setting for Data Values, “VIDEO TONE---set to” becomes “ON”, since SHARP function is installed in this model. 3-1. Setting for Data Values General 1. Enter the Service mode. 2. -
Page 3: Block Diagrams
BLOCK DIAGRAMS IF/Video/System Control Block Diagram L2314BLIF... -
Page 4: Schematic Diagrams / Cba's And Test Points
SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS Standard Notes Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts that have these special safety characteristics are identified in this manual and its supplements;... - Page 5 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE_A,_V FUSE. ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V. 2.
- Page 6 Main 2/3 Schematic Diagram CAUTION ! NOTE: Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply replace only with same type 4 A, 125V fuse.
- Page 7 Main CBA Top View CAUTION ! Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input...
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Page 8: Bl2300F01011
Main CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! : For continued protection against risk of fire, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. - Page 9 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No. Position TRANSISTORS Q501 Q502 Q503 CONNECTORS CN501 WH301B WH501B WF14 WF15 Q502 Q501 Q502 Q501 Base Base Collector Collector WF13 Q503 Collector Q503 Base BL2300F01011-2...
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Page 10: Different Parts From The Original Model (St419E)
Different parts from the original model (ST419E) Ref. No. Description Part No. MECHANICAL PARTS FRONT CABINET L2314UQ 1EM020170 CONTROL PLATE L2314UQ 1EM220118 RATING LABEL L2314UQ ---------- BRAND BADGE L2204UE 0EM408903 Not Used CARTON L2314UQ 1EM420767 SERIAL NO. LABEL L2314UQ ---------- LABEL, EAS(H3761UD) MAKER NO.ZLLFNSLE1 ---------- OWNERS MANUAL L2314UQ... - Page 11 DWT1905 L2314UQ 2005-04-06...