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51CS03H
Service Manual
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sharp 51CS03H, 59CS03H, 66CS03H, 66CS05H, 51CS05H Service Manual

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Date of Issue : 10/02/97 Classification : White
TELEVISION TECHNICAL BULLETIN
MODELS 51CS03H 59CS03H 66CS03H
66CS05H 51CS05H 59CS05H
SYMPTOM
CAUSE
ACTION
Th e s et r ema ins in th e s tandby mode.
Crack on the PWB due to transport damage.
If there is no 300VDC across C708, t hen check the continuity between L703 and the cathode o f D704. If this is open circuit, fit a wire link between the two po ints as indicated in the diagram below.
Page 1 of 1
Location of wire link on the component side of the PWB
Sharp Electronics (UK) Limited CE Technical Support Group
$Y:
Originator
White - Carry out as required Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
$Y:
Supervisor
3*-
Approval Date 10/ 02/97 UK 64601Y
3*-
Date of Issue : 10/02/97 Cla ssification : Yello w
TELEVISION TECHNICAL BULLETIN
MODELS 51CS03H 51CS05H 59CS03H
59CS05H 66CS03H 66CS05H
SYMPTOM
ACTION
If there is a failure of any component within the vertical deflection circuit or if a s et comes in fo r service th en carry o ut the improvement detailed below.
1. Add a new diode ( 1N4148 ) from the emitter of Q509 to the cathode of D513, cathode of diode to the emitter of Q509.
2. Replace R534 with a 390R.
3. Solder a fuse ( QFS-J1023CEZZ ) in series with L607.
4. Solder a fuse ( QFS-J1023CEZZ ) in series with L608.
Page 1 of 2
Refer to the diagrams given below.
REF NO DESCRIPTION PART NUMBER PRICE CODE
- Diode, 1N4148 RH-DX0045BMZZ AA R534 Resistor , 390R 1/10W VRS-TV1JD331J AA
- Fuse, 1A QFS-J1023CEZZ AA
Sharp Electronics (UK) Limited CE Technical Support Group
$Y:
Originator
White - Carry out as required Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
$Y:
Supervisor
3*-
Approval Date 10/ 02/97 SP64500X
3*-
Date of Issue : 10/02/97 Cla ssification : Yello w
TELEVISION TECHNICAL BULLETIN
MODELS 51CS03H 59CS03H 66CS03H
51CS05H 59CS05H
SYMPTOM
CAUSE
ACTION
When used in a hot environment a bleeping sound may be heard from the speakers or t here is intermittent soun d los s.
Pin 22 of IC301 floating.
Insert wire link between pin 22 of IC301 and ground as indicated in the diagram below.
To make the insertion of this link easier remove X301, fit wire, then replace X301.
Page 1 of 1
REF NO DESCRIPTION PART NUMBER PRICE CODE
- Wire Link, 20mm VW7UGB0-020AA AA
Location of wire link on component side of PWB
Sharp Electronics (UK) Limited CE Technical Support Group
$Y:
Originator
White - Carry out as required Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
$Y:
Supervisor
3*-
Approval Date 10/ 02/97 GE64801X
3*-
Month of Issue : February 1998 Classification : White
TELEVISION TECHNICAL BULLETIN
MODELS 51CS03H 51CS05H 59CS03H
59CS05H 59CSD8H 66CS03H 66CS05H 66CSD8H
SYMPTOM
CAUSE
ACTION
REF NO DESCRIPTION PART NUMBER PRICE CODE
Intermittent sound. May be especially noticeable on channel change.
Erratic response of the multi-standards processor, I C301.
Connect a 47nF, 63V polyester capacitor from pin 61 of IC301 to gr ound.
Use the part number given below for the capacitor.
Page 1 of 1
- Capacitor, 47nF 63V RC-FZ9473BMNJ AC
Sharp Electronics (UK) Limited CE Technical Support Group
$Y:
Originator
White - Carry out as required Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
$Y:
Supervisor
Approval Date / / Reference G E73703X
C
TV980602
Month of Issue : June 1998
Classification : W h ite
TELEVISION TECHNICAL BULLETIN
MODELS 51CS03H 51CS05H 59CS03H
59CS05H 66CS03H 66CS05H 59CSD8H 66CSD8H
SYMPTOM
CAUSE
ACTION
Intermittent vertical linearity problems or partial loss of vertical scan. Failure of components in the vertical output stage. Replace the following components in the vertical output stage:­C506 and C507.
D501, D502, D507 and D512 Q507, Q508 and Q512
Page 1 of 1
Use the part numbers given below for these parts. Note that there are no part numbers in the service manual for C506 and C507.
These are both 22nF SMD capacitors and should be sourced locally.
REF NO DESCRIPTION PART NUMBER PRICE CODE
D501 Zener Diode, 18V RH-EX0558BMZZ AA D502 Zener Diode, 18V RH-EX0558BMZZ AA D507 Diode, 1N4934 RH-DX0504BMZZ AA D512 Diode, 1N4934 RH-DX0504BMZZ AA Q507 Transistor RH-TX0147BMZZ AD Q508 Transistor RH-TX0151BMZZ AD Q512 Transistor RH-TX0150BMZZ AC
Sharp Electronics (UK) Limited CE Technical Support Group
Originator
White - Carry out as requ ired Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
$Y:
$Y:
Superv isor
Approval Date / / Reference 98269HT
C
TV980603
Month of Issue : June 1998
Classification : W h ite
TELEVISION TECHNICAL BULLETIN
MODELS 51CS03H 59CS03H 66CS03H
REASON
ACTION
From version 4 of this chassis, various changes have been made to the circuit. When servicing chassis versions 4 or greater ( see diagram below) use the
51CS05H ( Part number SEKL51CS05H/1 ) or the 59/66CS05H ( Part number SEKT66CS05H/2 ) service manuals.
Changes to the 51CS03H, 59CS03H and 66CS03H circuitry are :-
1. An audio mute circuit now incorporated into the chassis.
2. R631 and R632 have been added in series to the vertical +/-13V supplies. For the 59CS03H and 66CS03H only R628, D616 and D621 have been added
to the +45V supply line from the line output transformer.
Page 1 of 1
Sharp Electronics (UK) Limited CE Technical Support Group
Originator
White - Carry out as requ ired Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
$Y:
$Y:
Superv isor
Approval Date / / Reference AM 110398
C
TV980605
Month of Issue : June 1998
Classification : W h ite
TELEVISION TECHNICAL BULLETIN
MODELS 66CS03H 59CS03H 59CSD8H
REASON
ACTION
Due to a running change during production, the loudspeaker has been changed for a smaller type.
When fitting the new, small speaker in place of the larger type, a holder has to be fitted following the procedure outlined below.
1. Remove the old speaker.
2. Stick the adhesive foam to the speaker holder.
3. Fit the new speaker into the plastic holder.
4. Fit the new speaker and holder into the cabinet.
Page 1 of 1
REF NO DESCRIPTION PART NUMBER PRICE CODE
- Loudspeaker VSP1306PB067S AR
- Speaker holder GBFL-1003BM00 AD
- Adhesive foam PMLT-1032BM00 AC
Sharp Electronics (UK) Limited CE Technical Support Group
Originator
White - Carry out as requ ired Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
Supervisor Approval Date / / Refe rence FR81100X
$Y:
$Y:
Date of Issue : 10/02/97 Classification : White
TELEVISION TECHNICAL BULLETIN
MODELS 51CS03H 59CS03H 66CS03H
SYMPTOM
CAUSE
ACTION
If used in a hot environment, the picture can become saturated with red, green or blue blanking lines.
Build up of flux around tr ansisto r s on the CRT So cket PWB, causing tracking between them.
1. Remove SMD transistors Q870, Q871 and Q872.
2. Clean the exposed areas with a bristle brush impregnated with alcohol.
3. Clean the SMD transistor s with alcohol.
4. Replace the transistors.
Page 1 of 1
Sharp Electronics (UK) Limited CE Technical Support Group
$Y:
Originator
White - Carry out as required Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
$Y:
Supervisor
3*-
Approval Date 10/ 02/97 GE64802X
3*-
Date of Issue : 10/02/97 Classification : White
TELEVISION TECHNICAL BULLETIN
MODELS 51CS03H 59CS03H 66CS03H
SYMPTOM
CAUSE
ACTION
No or intermittent vertical output.
Intermittent so lder joint on L501.
Resolder joint on L501 as shown in the diagram below.
Page 1 of 1
Points to resolder on L501
Sharp Electronics (UK) Limited CE Technical Support Group
$Y:
Originator
White - Carry out as required Yellow - Carry out as required and whenever unit co mes in for service Red - Carry out on all units
$Y:
Supervisor
3*-
Approval Date 10/ 02/97 UK 70200X
3*-
CTV990113
ge)
Month of Issue: January 1998
Classification: White
TELEVISION TECHNICAL BULLETIN
Page 1 of 2
MODELS 51CS03H 51CS05H 59CS03H 59CS05H
59CSD8H 66CS03H 66CS05H 66CSD8H
Symptom Possible Remedy Dead no sound or vision)
Q701 & Q601 failed * D609, D610, D720, D718, Q702, Q703, C601, C604,
C619, C714, C708, R706, R707, R720 and inspect scan coils and scan coil socket for bad connections.
Q601 failed D609, D610, C601, C604, C619 and inspect scan
coils/scan coil socket for bad connections.
Q601 s/c and failur e of audio o/p stage Q601 failed due t o missing - 16V rail (supply to o/p
. Leave Q601 out of circuit until you have
sta confirmed that both the +16V and the -16V rails are
correct. No voltage at Q701 drain NICAM LED on or flashing (aerial disconnected) See flowchart on page 2
Technical Bulletin CTV970201
(Issued Feb 97)
HT rail present, no li ne drive, NICAM LED switches on for 3-6 seconds then goes off ( ari el disconnected) Keeps switchi ng to standby Check audio output stage for a short circuit HT rail missing-unsolder pin 2 of LOPTX and measure the HT rail
Line drive pulsating IC401 not communicating with micro Line drive pulsating and R628 (R634 in later Q704 (low standby/sound 5V rail) models) burning Slow start up i.e. more t han 3- 6 seconds for line oscillator to start depending on model
Audio Problems
Intermittent sound Technical Bulletin CTV970203 or CTV980204 Whistle on the Audio (l ater models only) Damage print feeding 40V to R368 Distorted sound IC301 (MSP3410)
Vertical O/P Stage Faults
No or intermitt ent ver tical output T ec hnical Bulletin CTV970207 (I ssued F eb 97) Failure of verti c al output stage Technical Bulletin CTV970202 (Issued Feb 97) &
Intermittent fram e c r am ping Replace D501, D502, D507, D512, C506 & C507 Rainbow effect (no line pulses at IC501 pin 2) C501 Rainbow effect and R628 (R634 in later models) open circuit
0V Power supply not r unning (check CTV is not in standby mode 20V-40V Short on one of the secondary LT supply rails e.g. audio o/p stage 110V-150V Short circuit on line o/p stage
Check R611 and IC201
C714 (please ensure that this is replaced with the specified part)
check Q507/8/ 9
R631 or R632 fusible resi stor s
Originator AvW Supervisor Approval Date / / Reference AVW120199/2
Sharp Electronics (UK) Limited
Revision 1
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
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