Sharp CX34L3 Service Manual

CX34L3
CX51L4
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored
to its original condition and only parts identical to those specified should be used.
Ë PAL B/G
Ë NTSC(AV Thru)
Ë Full Auto Channel Preset and Auto Channel Skip
Ë 100 CH Program Memory
Ë CATV (Hyper Band) Ready
Ë AVL (Sound Keeper) Function
Ë High Contrast Picture (Black Stretch Circuit)
Ë ON Timer/Sleep Timer/Reminder Timer
» SPECIFICATIONS ............................................. 2
» IMPORTANT SERVICE NOTES ........................ 2
» ADJUSTMENT PRECAUTIONS ........................ 3
» GA1 HOTEL MODE APPLICATION ................ 15
» TROUBLE SHOOTING TABLE ....................... 16
» SOLID STATE DEVICE BASE DIAGRAM ....... 18
» WAVEFORMS .................................................. 19
» CHASSIS LAYOUT .......................................... 21
» BLOCK DIAGRAM ........................................... 24
» DESCRIPTION OF SCHEMATIC DIAGRAM .. 29
» SCHEMATIC DIAGRAM
Ë MAIN UNIT ................................................... 30
Ë CRT UNIT ..................................................... 36
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power
receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user - serviceable
parts inside. Refer servicing to qualified service personnel.
TENTATIVE
SERVICE MANUAL
CX51L3
FEATURE
CONTENTS
Page
WARNING
SHARP CORPORATION
COLOUR TELEVISION
Chassis No. GA-1
CX34L3
CX51L3
CX51L4
MODELS
Ë Blue Back Noise Mute
Ë Front AV In and Rear AV In/Out Terminals (Front AV
Priority)
Ë Colour-Comb Filter (NTSC AV In)
Ë Hotel Mode
Ë Front Headphone Jack
Ë Multi Laguage OSD (English/Chinese/French/
Arabic/Malay/Russian)
Ë HEADPHONE UNIT ..................................... 37
Ë BURST UNIT ................................................ 38
» PRINTED WIRING BOARD ASSEMBLIES ..... 40
» REPLACEMENT PARTS LIST
Ë ELECTRICAL PARTS
MAIN UNIT ................................................... 47
CRT UNIT ..................................................... 51
HEADPHONE UNIT ..................................... 51
BURST UNIT ................................................ 51
Ë SUPPLIED ACCESSORIES ........................ 52
Ë PACKING PARTS ......................................... 52
Ë CABINET PARTS ......................................... 52
1
CX34L3/51L3/51L4
S30X7CX51K3//
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