File name Sharp CX34N3 Ch. GA-1AM.pdfCX34N3
SERVICE MANUAL
COLOUR TELEVISION
Chassis No. GA-1AM
MODEL
CX34N3
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.
FEATURE
Ë Ë Ë Ë Ë Ë Ë Ë Ë PAL B/G NTSC(AV Thru) Full Auto Channel Preset and Auto Channel Skip 100 CH Program Memory CATV (Hyper Band) Ready AVL (Sound Keeper) Function High Contrast Picture (Black Stretch Circuit) ON Timer/Sleep Timer/Reminder Timer Blue Back Noise Mute Page SPECIFICATIONS ... 2 IMPORTANT SERVICE NOTES ... 2 ADJUSTMENT PRECAUTIONS ... 3 MEMORY MAP ... 11 GA1-AM HOTEL MODE APPLICATION ... 15 TROUBLE SHOOTING TABLE ... 16 SOLID STATE DEVICE BASE DIAGRAM ... 18 WAVEFORMS ... 20 CHASSIS LAYOUT ... 21 BLOCK DIAGRAM ... 22 DESCRIPTION OF SCHEMATIC DIAGRAM .. 26 SCHEMATIC DIAGRAM Ë CRT UNIT ... 27 Ë MAIN UNIT ... 28 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 Language OSD (English/Chinese/French/ Arabic/Malay/Russian) Ë White Temperature Adjustment
CONTENTS
» » » » » » » » » » » » Page Ë HEADPHONE UNIT ... 30 Ë BURST UNIT ... 31 » PRINTED WIRING BOARD ASSEMBLIES ... 32 » REPLACEMENT PARTS LIST Ë ELECTRICAL PARTS MAIN UNIT ... 38 CRT UNIT ... 41 HEADPHONE UNIT ... 41 BURST UNIT ... 41 Ë SUPPLIED ACCESSORIES ... 42 Ë PACKING PARTS ... 42 Ë CABINET PARTS ... 42 » PACKING OF THE SET ... 43
WARNING
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.
SHARP CORPORATION 1
CX34N3
SPECIFICATIONS
Convergence ... Self Converging System Focus ... Electrostatic Focus High Bi-Potential Sweep Deflection ... Magnetic Intermediate Frequencies Picture IF Carr |