Instruction/ maintenance manual of the product CT-32SX31CE Panasonic
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Panasonic The serv ice tech nician i s required to read an d follo w the “ Safety Precautions ” an d “ Important Safe ty Notice ” in t his Main Ma nual. Service Manual Color Television (NA8ML) Main Manual Copyright 2001 b y M atsushita Elec tric Co rporatio n of Americ a.
- 2 - Important Safety Notice Special c om pon ents ar e us ed in th is te le vi si on s et which are impo rta nt for safety. These parts are i dentifi ed on the schemat ic di agram by the sy mbol and p rinted i n BOLD TYPE on the replaceme nt part list.
- 3 - Important Safety Notice . . . . . . . . . . . . . . . . . . 2 Safety P recautions . . . . . . . . . . . . . . . . . 2 General G uidelin es . . . . . . . . . . . . . . . . . 2 Leakage C urrent Cold Check . . . . . . . . . 2 X-ray Radiat ion . . .
- 4 - Service Notes Leadless Chip Component (surface mount) Chip compo nents m ust be replac ed with iden tical chi ps due to criti cal foil trac k spac ing.
- 5 - Service Notes (Continued) IMPORT ANT : T o protect against poss ible da mage t o the soli d sta te devic es d ue to ar cing or stat ic discharg e, make cer tain th at all groun d wires and CTR DAG wir e a re se cure ly conne cted. CAUTION: The power supply ci rcuit is abov e earth ground an d the chas sis cann ot be pol arized.
- 6 - Receiver Feature T able FEA TUREMODEL CT-32SX31E/UE/CE CT -36SX31E/UE/CE Chassis NA8ML T unning system 96K # of channels 181 Menu langua ge Eng/Span/Fr Closed Cap tion X V-Chip (USA/CANADA) X 2R.
- 7 - Location of Control s (Receiver) Quick Reference Control Operation Quick Reference Control Operation Power Button - Pre ss to turn ON or OFF . V olume Buttons - Pr ess to ad just S ound Lev el, .
- 8 - Location of Controls (Rem ote) Figure 4. Location of Controls (Remote). POWER Bu tton Press to turn O N and OFF . MUTE Button Press to mu te sound.
- 9 - Disassembly for Ser vice Back C over Remove all the screws mar ked with an arr ow( ) from the b ack of th e Receiv er . Note: Screw conf igura tion, type , and number of scr ews vary depending on th e model of th e Recei ver serv iced an d the a pplicati on; var ious m odels are cove red in t his M anual.
- 10 - Disassembly for Serv ice (Continued) Note: T o remov e the fou r bracket s hold ing the dega uss coi l from the corner s of the CRT , first remo ve the CRT from the cabi net, then r emove the Br ackets by press in g th e ta b o n the b r ack et an d pull upw ards.
- 11 - Back Cover Rem oval Figure 8. B ack Cover Removal 4 scre ws at t op edg e 1 screw at low er 1 scre w left corner 1 scr ew by antenna jacks 1 screw 1 screw 1 scre w 1 scre w at lower right corn .
- 12 - Chassis Ser vice Adjustment Pr ocedures All service adjustments are factory preset and should not require adjustment unles s controls and/or associated components are replace d. Note: Connect t he ( -) lead of th e vo ltmeter to the appr opriat e g round.
- 13 - Purity and Convergence Procedure Adjustm ent is n ecessar y only i f the CRT or the deflecti on yoke i s replaced or if the s etting was disturb ed. The c omple te procedur e con sists of: 1. V ertical Ra ste r Shift Adjustme nt. (Only for Models with Purity/Convergence Assembly with 4 Pair s of Rings) .
- 14 - Initial Center Static Convergence Connect a do t/cross hatch gener ator to the Receiv er and tune in a signal . Ob serve miscon verg ence at center of the sc reen only . Adjust the R&B pole magnets; by se parating tabs a nd rotatin g to co nverge blue with r ed.
- 15 - Y H Adj ust men t (V R2 for Vertic al dynami c convergence) 1. Apply a cross hatc h patt ern. 2. Adjust c ontra st and brightnes s custo mer con trols to obtain a corr ect pi cture. 3. With a dri ver Adj ust VR 2 (located in deflec tion yo ke board Fig.
- 16 - R G B As the yoke is tilted vertically , the rasters produced b y the outside guns rotate in opposit e directions. Figure 17 . V ertical Y oke Movem ent RGB Raste r produc ed from one of the ou.
- 17 - Serviceman Mode (Electron ic Controls) This Rec eiver has electr onic techn ology using the I²C B us Conce pt. It per forms a s a con trol fun ction an d it replac es many m echani cal con trols.
- 18 - Press the Power Button on t he Remote Control to sel ect the S erviceman Ad justment . For Adjustments: Sub-Data Adjus tme nt Default Level B00 SUB-COLOR 31 B01 SUB-TINT 40 B02 SUB-BRIGHTNESS 4.
- 19 - Press the Power Button on the Remote Control to s elect the S erviceman Adjustm ent For Adjustments: Geo metr y Ad jus t men t s Default Level D00 H POSITION 13 D01 V SIZE 37 D02 V S C O RRECTI.
- 20 - Press the Power Button on the R emote Control to select th e Serviceman Adju stment For Adjustments: PIP Adjustment Default Level P00 PIP COLOR 53 P01 PIP TINT 64 P02 PIP BRIGHTNESS 1 1 P03 PIP.
- 21 - Press the Power Button on the Remote Control to s elect the S erviceman Adjustm ent For Adjustments: 1. Press Channel Up/Down on t he Remote Control to sele ct one of the avail able Serv ice Adj ustments ( a i n Fig. 20). Note: Write Down the or igina l value set ( b in Fig.
- 22 - Press the Power Button on the Remote Control to s elect the S erviceman Adjustm ent For Adjustments: X Option Adjustment Default Level X00 V ENHANCER 3 X01 V ENH NL 1 X02 H PEAKING GAIN 2 X03 V.
- 23 - T o C heck P urit y: Pre ss the Recall Button on the Remote Control wh en in Servic eman Mode ( red “CHK” is displa yed) to enter the Purity Fie ld Check Mod e. Press Recall again to selec t desired field. NORMAL SCREEN WHITE SCREEN RED SCREEN GREEN SCREEN BLUE SCREEN Figure 21.
- 24 - Instructi onal Flow Chart f or Serviceman Mode Adj . needed? NORMAL MODE Momentar ily sh ort FA1 to FA2 . Press Action + V olume Up S imultane ously ( ON R eceiver ) Adj.
- 25 - Instructiona l Flow Cha r t for Servic eman M od e - Continued Adj. needed? CUT-OFF ADJUSTMENTS. C ITEMS. A N Y PINCUSHION ADJUSTM ENTS. D ITEM S.
- 26 - Instruc tional F low Cha rt for Servicema n Mode - Conti nued Adj. needed? COMB-FIL TER AD JUSTMENTS. X ITEMS . B N Y POWER (ON RE MOTE) EXIT C N IMPOR T ANT NOTE: Always Ex it the Service man Mode Followin g Adjust ments. Press Action a nd Power on th e Rece iver simult aneous ly for at leas t 2 secon ds.
- 27 - Service Adjustments (Elect ronic Con trols) Sub-Contrast Adjustment Servicem an DAC Adjustment (B 02, B03) This adjustme nt is factory set. Do not adjus t unle ss repairs are mad e to asso ciated circuit , the CRT Board or when the CRT is replace d.
- 28 - Procedure: 1. Connect th e oscilloscop e to TPY 1. 2. A pply a c olor ba r signa l in main and PIP (PIP on). 3. In the Servicem an Mode for maki ng electronic adjustme nts, select the DAC adju stment (P03) for PIP Sub-Sub contrast so that child (PIP) le vel is 90% of parent (M AIN) signal (See Fig.
- 29 - Service Adjustmen ts (Electro nic Controls, cont. ) Horizontal Centering (D00) This Adj ustmen t helps to c enter the p icture hor izontal ly Preparation: Connect a monoscop e patte rn si gnal. Procedure: 1. In the Servicem an Mode for maki ng electronic adjustme nts.
- 30 - V-Correction Adjustment (D02) Preparation: 1. Apply a Cr os sha tch pattern. 2. A djust (D01) s o that V-Si ze is r egula r size. 3. If b-a<-1.5m m (in top an d bottom), i ncrease (D02) by one s tep and adjust (D01) so tha t V-Si ze is regular; r epeat steps until b-a ≤ 1.
- 31 - Service Adjustmen ts (Electro nic Controls, cont. ) Clock Adjustment (S07) Preparation: Connect th e frequen cy cou nter to TP S1 (IC00 1 pin-13) and col d ground ( ). Note: Frequenc y Count er probe c apacitanc e shoul d be 8pF or less. Procedure: 1.
An important point after buying a device Panasonic CT-32SX31CE (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Panasonic CT-32SX31CE yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Panasonic CT-32SX31CE - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Panasonic CT-32SX31CE you will learn all the available features of the product, as well as information on its operation. The information that you get Panasonic CT-32SX31CE will certainly help you make a decision on the purchase.
If you already are a holder of Panasonic CT-32SX31CE, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Panasonic CT-32SX31CE.
However, one of the most important roles played by the user manual is to help in solving problems with Panasonic CT-32SX31CE. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Panasonic CT-32SX31CE along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
