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Service Manual
Specifications
Power Source : AC AUTO 110-240V, 50/60Hz
Power Consumption : 86W
Aerial Impedance:75 unbalanced
Coaxial type
Receiving System : 17 System
Receiving Channels :
VHF
2-12 (PAL/SECAM B,K1)
0-12 (PAL B AUST)
1-9
(PAL B N.Z)
1-12 (PAL/SECAM D)
1-12 (NTSC M JAPAN)
2-13 (NTSC M U.S.A)
UHF
21-69 (PAL G,H,I/SECAM G,K,K1)
28-69 (PAL B AUST)
13-57 (PAL D,K)
13-62 (NTSC M JAPAN)
14-69 (NTSC M U.S.A)
CATV
S1-S41(OSCAR)
1-125 (U.S.A CATV)
C13-C41(JAPAN)
S21-S41 (HYPER)
Z1-Z37 (CHINA)
Intermediate Frequency :
Video
38.0 MHz
Sound
31.5 MHz (D,K) / 32.5MHz (B,G)
32.0 MHz (I) / 32.5MHz (M)
Colour
33.57 MHz (PAL)
33.6 MHz (SECAM)
32.5 MHz (B,G)
33.75 MHz (SECAM)
34.42 MHz (NTSC)
Panasonic
ORDER NO. MTV 0010147C3
TC-21PM30R
MX-7 Chassis
Video / Audio Terminals :
FAV In : Video In 1 Vp-p 75
Audio In Approx, 400mVrms
RAV In : Video In 1 Vp-p 75
Audio In Approx, 400mVrms
Monitor Out :Video Out1 Vp-p 75
Audio OutApprox, 400mVrms
High Voltage : 28.0 kV ( +/- 1.0 )
at zero beam current
Picture Tube : XA51LSK955X-A
51cm (21 inches)
Measured diagonally, 90 deflection
Audio Output : 3.5W x 2 = 7W
Dimensions : Height : 473.6 mm
Width : 600 mm
Depth : 484.4 mm
Mass : 23.4 kg
Specifications are subject to change without
notice.Mass and dimensions shown are approxi
mate.
2000 Matsushita Electric Industrial Co., Ltd.
c
All right reserved.Unauthorized copying and
distribution is a violation of law.
Colour Television
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Table of Contents
Related Manuals for Panasonic TC-21PM30R
Summary of Contents for Panasonic TC-21PM30R
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Page 1: Service Manual
ORDER NO. MTV 0010147C3 Service Manual Colour Television TC-21PM30R MX-7 Chassis Specifications Power Source : AC AUTO 110-240V, 50/60Hz Video / Audio Terminals : FAV In : Video In 1 Vp-p 75 Power Consumption : 86W Audio In Approx, 400mVrms... -
Page 2: Table Of Contents
WARNING This service literature is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warning cautions to advise non-technical individuals of potential dangers in attempting to service a product. Product powered by electricity should be serviced or repaired only by experienced professional technicians. -
Page 3: Safety Precautions
Safety Precautions General Guide Lines 1. It is advisable to insert an isolation transformer in the AC supply before servicing this hot chassis. 2. When servicing, observe the original lead dress, especially the lead dress in the high voltage circuits. If a short circuits is found, replace all parts which have been overheated or damaged by the short circuit. -
Page 4: Mx-7 Chassis Block Diagram
X-Radiation Warning : The potential sources of X-Radiation in TV set are the EHT section and the picture tube. When using a picture tube test jig for service, ensure that jig is capable of handling 28.1kV without causing X-Radiation. Note : It is important to use an accurate periodically calibrated high voltage meter. -
Page 6: Service Hints
Service Hints. Service Position for E-Board 1. Remote the back cover. 2. Stand the TV set as shown in fig. 7. 3. Remove the A-Board from the TV set by pulling the main board out as shown in figure 7. Pull out this way Fig.7 Factory mode adjustment :... -
Page 7: Adjustments
Adjustment for White Balance Preparation : 1. Receive the white balance pattern and aging should have been performed over 30 minutes. 2. Set the picture menu to to DYNAMIC NORMAL. 3. Degause the CRT face. 4. Fix the CRT colour analyzer receiver unit to CRT face. Adjustment of Low Light. -
Page 8: Adjustment Procedure
Adjustment Procedure Item / Preparation Adjustment Procedure +B Voltage 1. Operate the TV set. Confirm the DC voltage at the indicated test points, as follow : 2. Set control as follow : TPA 12 : 141.2 +- 0.8V TPA 21 : 215 +- 15V Brightness .. - Page 9 Pal Colour 1. Receive the PAL B/G studio colour bar pattern, and adjust local frequency at the best tuned position. 2. Pic Menu : Dynamic Normal , Confirm Contrast - 63 , Sub Contrast - 21. 3. Channel colour set ----------- STD. 4.
- Page 10 Before Colour Purity, Convergence and White Balance adjustment are attempted, V. Height, H. Centre and Focus adjustments must be completed. Colour Purity Convergence 1. Set the Brightness and Contrast controls to 1. Apply a crosshatch pattern signal and their maximum postions. Normalize Contrast control to the 2.
- Page 11 Adjustment of CRT VRS 1. Preparation a. Set DY to CRT not to tilt up and down left and right deflection. b. Set CY to CRT and set CY magnet primarily (Fig.1) Purity magnet : Set purity magnet that 2 magnet are (TOP POSITION) VRS magnet : Set VRS magnet 2 magnet are (HORIZONTAL POSITION) 2.
- Page 12 R-B Static Convergence Magnet 25.3 mm Clamp for Convergence & Purity Magnet Purity Magne (RB)-G Static Convergence Magnet Deflection Yoke Fig. 24 Fig. 25 Note : 1. Wedge A,B and C should be inserted following the sequence of 1,2 and 3 shown in Fig.
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Page 23: Replacement Part List
Replacement Parts List Important Safety Notice Components identified by mark have special characteristics important for safety. When replacing any of these components, use manufacturer’s specified parts. Note : Printed circuit board assembly with “NLA” is no longer available after production discontinuation of the complete set. Abbreviation of part name and description 1. - Page 24 CONVERGENCE YOKE TXFKY01QK2P CABINET ASSY KDY3NWB63F DEFLECTION YOKE (M'EAST ONLY) TBL4G3404 SET LEG TXFPD02QL2S CUSHION (BOTTOM) TBMA060 PANASONIC BADGE RESISTORS TBM4G0630 MODEL NAME PLATE R003 ERJ6GEYJ100 M 10OHM,J,1/10W R004 ERG2SJ183E M 18KOHM,J, 2W (S'PORE ONLY) TBM4G0631 MODEL NAME PLATE R006 ERJ6GEYJ273...
- Page 25 R444 ERDS2TJ152 C 1.5KOHM,J, 1/4W R638 ERJ6GEYJ391 M 390OHM,J,1/10W R445 ERJ6GEYJ473 M 47KOHM,J,1/10W R639 ERJ6GEYJ101 M 100OHM,J,1/10W R446 ERJ6GEYJ473 M 47KOHM,J,1/10W R640 ERJ6GEYJ181 M 180OHM,J,1/10W R447 ERJ6GEYJ472 M 4.7KOHM,J,1/10W R641 ERJ6GEY0R00 0OHM,J,1/10W R448 ERJ6GEYJ242 M 2.4KOHM,J,1/10W R642 ERJ6GEYJ332 M 3.3KOHM,J,1/10W R449 ERJ6GEYJ152 M 1.5KOHM,J,1/10W R643 ERJ6GEYJ272...
- Page 26 R1104 ERJ6GEYJ562 M 5.6KOHM,J,1/10W C121 ECJ2VF1H103Z C 0.01UF, Z, 50V R1105 ERJ6GEYJ562 M 5.6KOHM,J,1/10W C122 ECJ2VF1H103Z C 0.01UF, Z, 50V R1106 ERJ6GEYJ102 M 1KOHM,J,1/10W C136 ECJ2VF1H103Z C 0.01UF, Z, 50V R1117 ERJ6GEYJ471 M 470OHM,J,1/10W C180 ECJ2VG1H151J C 150PF, J, 50V R1120 ERJ6GEYJ432 M 4.3KOHM,J,1/10W C354 ECCF1H330JC...
- Page 27 C641 ECJ2VC1H100C 10PF, C, 50V C2380 ECA1CM101B E 100UF, C653 ECEA1CKA100 10UF, C2401 ECJ2VB1H472K C 4700PF, K, 50V C654 ECJ2VB1H103J C 0.01UF, C2402 ECJ2ZF1C105Z 1UF, Z, 16V C660 ECQV1H105JM 1UF, J, 50V C2403 ECJ2ZF1C105Z 1UF, Z, 16V C701 ECA1HHG101 E 100UF, C2404 ECJ2VB1E104K C 0.1UF, K, 25V C703 ECEA1HGE100...
- Page 28 D520 MA152KTX DIODE Q101 2SC2412KT TRANSISTOR D551 MA3047HTX DIODE Q102 2SC4787 TRANSISTOR D552 D1FL40F4063 DIODE Q103 2SD2114KT TRANSISTOR D555 MA152KTX DIODE Q105 2SC2412KT TRANSISTOR D556 ERD07-15 DIODE Q180 2SA1037AKT TRANSISTOR D557 TVSRU2AM DIODE Q369 2SA564AQR TRANSISTOR D558 MA185 DIODE Q401 2SA1037AKT TRANSISTOR D603 MA152KTX DIODE...
- Page 29 JS551 ERJ6GEY0R00 0OHM,J,1/10W JS2201 ERJ6GEY0R00 0OHM,J,1/10W JS2202 ERJ6GEY0R00 0OHM,J,1/10W JS2205 ERJ6GEY0R00 0OHM,J,1/10W JS3010 ERJ6GEY0R00 0OHM,J,1/10W JS3101 ERJ6GEY0R00 0OHM,J,1/10W L5 TJS3A9670 6P CONNECTOR L8 TJS3A9880 8P CONNECTOR S801 ESB92DA1B SWITCH S1001 EVQ11G05R SWITCH S1002 EVQ11G05R SWITCH S1003 EVQ11G05R SWITCH S1004 EVQ11G05R SWITCH S1005 EVQ11G05R SWITCH...