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Sharp Linytron CX-6336 Service Manual
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Sharp Linytron CX-6336 Service Manual

Sharp Linytron CX-6336 Service Manual

Nc-6 chassis
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ELECTRICAL SPECIFICATIONS . . . . . . . . . . . . . 1
IMPORTANT SERVICE NOTES . . . . . . . . . . . . . . 2
SERVICE ADJUSTMENT. . . . . . . . . . . . . . . . . . . 3
. TROUBLE SHOOTING TABLE . . . . . . . . . . . . . . 6
.
.
BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . .15
.
. SCHEMATIC DIAGRAMS AND
WAVEFORMS. . . . . . . . . . . . . . . . . . . . . . . . . .
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . .24
.
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.
Aerial Input Impedance . . . . . . . . . . . 75 ohm unbalanced
Convergence
Focus . . . . . . . . . . . . . . . . . . . . Bi-potential electrostatic
Audio Power Output Rating . . . . . . . . . . . . . 2.OW max.
Intermediate Frequencies
. . . . . . . . . . . . . .ll
Power Input . . . . . . . . . . . . . . . . . . . . . 240V AC 50Hz
Power Consumption . . . . . . . . . . . . . . . . . . . . . . 12OW
Speaker
Sweep Deflection . . . . . . . . . . . . . . . . . . . . . .
Tuning Ranges . . . . . . . . . . . . . . VHF Channels 0 thru 11
WARNING
. . . . . . . . . . . . . . .
Picture IF Frequency . . . . . . . . . . . . . . .
Sound Carrier Trap . . . . . . . . . . . . . . . . .
Adjacent Sound Carrier Trap . . . . . . . . . . 38.375MHz
. . . . . . . . . . . . . . 10cm Round Dynamic x 1 pc.
Self Converging System
Magnetic
UHF Channels 28 thru 63

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Summary of Contents for Sharp Linytron CX-6336

  • Page 1: Table Of Contents

    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. ELECTRICAL SPECIFICATIONS ... . . 1 Aerial Input Impedance .

  • Page 2: Important Service Notes

    IMPORTANT SERVICE NOTES Maintenance and repair of this receiver should be done by qualified SERVICING OF HIGH VOLTAGE TUBE When servrcrng the hrgh voltage system, remove static charge from it by ine cord should be disconnected from AC outlet.) 1. Picture tube in thus receiver employs integral Implosion protection. 2.

  • Page 3: Service Adjustment

    SERVICE ADJUSTMENT Connect the response lead to TP207. Connect a resistor of 100 ohms to both ends of How to prevent ICs from damages due to static elec- R235 (10k ohms). tricity Note: Keep the lead of the 100 ohm resistor a s short as possible.
  • Page 4 12. Adjust each drive control for good white balance. RF AGC cut-in adjustment: R224 Colour temperature: 7300OK 1. Receive 10 ch. signal. 2. Set the signal input level at 52 + 1 dB. 13. Adjust brightness control and contrast control to 3.
  • Page 5 1. Apply DC25V to D605 (cathode side), and check 1. Receive lion head pattern signal. 2. Adjust R520 to obtain good vertical linearity. 2. Apply DC 30V to D605 (cathode side), and check that the protector gets operative. Q603 and ground, and check that the protector 3.

  • Page 6: Trouble Shooting Table

    Checked Circuits Power Regulator Circuit Picture tube Bios Circuit Video Circuit When the power switch is push on, is there caused a raster? Norma I Are the Fuse (F7001) blown? Replace the tuse with new one blown out Abnorma I r - - - - - Checked Circuits N O H R I Z O N T A L S C A N N I N G...
  • Page 7 Check for the voltage N o r m a l 1 of 0712 cathode (Approx: ll5V) Check for the CRT , C h e c k D712 and Norma I heater vol toge Abnormal Abnorma I Norma I Check Check 0712 andl I D7lO - - B - m - - - J Check for the Bias...
  • Page 8 Checked Circuits N O S O U N D S T F A m p l i f i e r C i r c u i t Sound Detector Circuit Audio Output Circu 1 t Check for the pin@of TC30l (l2V) Norma I When the sound control is set at MAX, does noise...
  • Page 9 Checked Circuits P-IF Circuit AGC Circuit Tuner Circuit yet the reception is and yet only the sound changes remarkably. Check for tuner BU, BH, BL and B (about IZV) voltage at pln@of IC202 Norma I Abnormal Normal Abnormal Check for IC201, When band switch is changed, does VT change? a n d CF202...
  • Page 10 V I D E O C i r c u i t W aveform at pin 5 o f IC801 i s normal ? W aveform at Each termina I Check XC20 I v o l t a g e o f t u n e r N o and band o f Q401 i s is nomal ?

  • Page 11: Chassis Layout Diagram

    CHASSIS LAYOUT...
  • Page 12 cl 0...

  • Page 13: Printed Wiring Board Assemblies

    PRINTED WIRING BOARD ASSEMBLIES (All the PWBs h ere are shown an viewed from their wiring sides.} ----- : * ik , --.-..-...

  • Page 15: Block Diagrams

    BLOCK DIAGRAI...
  • Page 17 DUN’ MICRO CO/NT P - - T O N E i A D G C O I L...
  • Page 18 S - MUTE VT-AMP MICRO PROCESSOR RESET LINE - FILTER __ _ __ z<_--...
  • Page 19 + 116W ‘Urn...
  • Page 20 SERVICE PRECAUTION: The area enclosed by this line ( - - - ) is directly When servicing the connected with AC Mains Voltage. area, connect an isolating transformer between TV receiver line to eliminate hazard of electric shock.
  • Page 21 = ,000 MI ,.OOO.OOD H COPOC~~M e OTC dworn n COlhoda cot4”r , p @ R I 3 R , , , 1 1 3 R I 1 9 7 <a , I& a:‘oi.
  • Page 22 DESCRIPTION OF SCHEMATIC DIAGRAM AND WAVEFORMS p a r t s...
  • Page 23 SOLID STATE DEVICE BASE DIAGRAM...
  • Page 24 Ref. No. Part No. Description Code PARTS LIST Q402 PARTS REPLACEMENT 0 5 0 2 E 2SA95B(Y) 0 5 0 3 E 2SC1514 Replacement parts which have these special safety characteristics Q602 E 2SDI556 identified in this manual; electrical components having such fea- 0 6 0 4 E 2SD313(F) tures are identified by A in the Replacement Parts Lists.
  • Page 25 t?ef.No. Part No. Description Code Ref. No. Part No. Description V P - X F 180KOOOO 18pH 500V Ceramic V P - C F 2R2MOOOO 2.2pH 3 3 0 Electrolytic AC C615 R C - EZOl 11CEZZ 1 0 0 0 6.3V Electrolytic VP - DF R 39MOOOO Electrolytic...
  • Page 26 ef.No. Part No. Description Code Ref. No. Part No. Description Code CAPACITORS V R C - UA2HG825K 8.2M 703. VRS- SV2HCl OOJ Oxide Film A A A C 8 5 8 Ceramic R R - WZ0099CEZZ Cement A D A C 8 6 1 R C - KZOO23CEZZ 0 .
  • Page 27 C WAK P 1 1 3 6 C E 3 7 Front Frame Ass’y Not Avairable Front Frame H B D G B 1058AF SA Badge “SHARP” H B D G D 3 0 1 GCESA Badge “LINYTRON” Hi ND M 2 4 8 3 C E S A Indication Metal...
  • Page 28 S H A R P Printed in Japan...