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Now downloading free:sharp 66AS05h

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TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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File name:chassis 4bsc.rar
[preview 66AS05h]
Size:901 kB
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Mfg:sharp
Model:66AS05h 🔎
Original:4bsc 🔎
Descr:chasis 4bsc of sharp tv
Group:Electronics > Consumer electronics > TV
Uploaded:12-11-2006
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File name chassis 4bsc.pdf

SHARP 66AS-05H General Information 4BS-C Chassis Matrix Item See Model Book 5 Remote Control Unit ... Sharp 66AS-06H 1 Service Adjustments Important Service Notes Maintenance and repair of this receiver should be done by qualified personnel only. Servicing of High Voltage System and Picture Tube When servicing the high voltage system, remove static charge from it by connecting a 10 k W Resistor in series with an insulated wire (such as a test probe) between picture tube ground tag and high voltage lead. (AC line cord should be disconnected from AC outlet.) 1: Picture tube in this receiver employs integral implosion protection. 2: Replace with tube of the same type number for continued safety. 3: Do not lift picture tube by the neck. 4: Handle the picture tube only when wearing shatterproof goggles and after discharging the high voltage completely. X-Ray This receiver is designed so that any X-Ray radiation is kept to an absolute minimum. Since certain malfunctions or servicing may produce potentially hazardous radiation with prolonged exposure at close range, the following precautions should be observed: 1: When repairing the circuit, be sure not to increase the high voltage to more than 30.0 kv, (at beam 1000µA) for the set. 2: To keep the set in a normal operation, be sure to make it function on 25.7 kv ± 1.5 kv (at beam 1300 µA) in the case of the set. The set has been factory -- Adjusted to the abovementioned high voltage. If there is a possibility that the high voltage fluctuates as a result of the repairs, never forget to check for such high voltage after the work. 3: Do not substitute a picture tube with unauthorised types and/or brands which may cause excess X-ray radiation. Before Returning The Receiver Before returning the receiver to the user, perform the following safety checks. 1: Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the receiver. 2: Inspect all protective devices such as nonmetallic control knobs, insulating fish papers, cabinet backs, adjustment and compartment covers or shields, isolation resistor-capacity networks, mechanical insulators etc. PIF/SIF/AGC/G2 Adjustment 1: Trap adjustment Adjusting Point T1201: Trap Coil (Adj.-P Trap) T1200:Trap Coil (Adj.-S Trap) 1: Connect sweep generator output to IF in (FA (1)). 2: Connect response cable with detector to collector line of Q1200 (See fig.1) Trap) so that traps are (41.5 MHz) and (32.0 MHz). (See fig. 2) -- ALTER NVM POS. -- ALTER NVM VAL. -- AUTO INSTALLATION To exit service mode, press main switch to off. Adjustment Note: The procedure for making adjustments to Vertical Corrections is as follows: -- Adjust S-CORRECTION -- Adjust VERT. SHIFT -- Adjust VERT. AMPLITUDE Fig. 2 Geometry Adjustment Procedure 2: VCO Adjustment Adjusting Point T1202: VCO Adjust Coil 1: Feed the following signal to pin (1) of conne



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