Panasonic TC-21PM50R Service Manual
  1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. TV
  5. TC-21PM50R
  6. Service manual
Panasonic TC-21PM50R Service Manual

Panasonic TC-21PM50R Service Manual

Gp3 chassis
Hide thumbs
Table of Contents

Advertisement

Quick Links

Specifications
Power Source :
Power Consumption :
Aerial Impedance :
Receiving System :
Receiving Channels :
VHF
UHF
21-69 (PAL G, H, I/SECAM G, K, K1)
CATV
AC AUTO 110-240V, 50/60 Hz
66W
75Ω unbalanced
Coaxial type
17 Systems
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.)
28-69 (PAL B AUST.)
13-57 (PAL D, K)
13-62 (NTSC M JAPAN)
14-69 (NTSC M U.S.A.)
S1-S41 (OSCAR)
1-125 (U.S.A. CATV)
C13-C41 (JAPAN)
S21-S41 (HYPER)
Z1-Z37 (CHINA)
TC-21PM50R
GP3 Chassis
Intermediate Frequency :
Video
Sound
31.5 MHz (D, K, K1) / 32.5 MHz (B, G)
Colour
Video / Audio Terminals :
FAV In
RAV In
Monitor Out
High Voltage :
Picture Tube :
Audio Output :
Speaker :
© 2003 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MTV0308250C3
Colour Television
38.0 MHz
32.0 MHz (I) / 32.5 MHz (M)
33.57 MHz (PAL)
33.6 MHz (SECAM)
32.5 MHz (B, G)
33.75 MHz (SECAM)
34.42 MHz (NTSC)
Video In 1 Vp-p 75Ω
Audio In Approx. 400mVrms
Video In 1 Vp-p 75Ω
Audio In Approx. 400mVrms
Video Out 1 Vp-p 75Ω
Audio Out Approx. 400mVrms
28.1kV (±1.5)
at zero beam current
A51QDX992X
51cm (21 inches)
Measured diagonally,
90° deflection
3.5W
Unauthorized
copying
8Ω
and

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TC-21PM50R and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Panasonic TC-21PM50R

Summary of Contents for Panasonic TC-21PM50R

  • Page 1 ORDER NO. MTV0308250C3 Colour Television TC-21PM50R GP3 Chassis Specifications Power Source : AC AUTO 110-240V, 50/60 Hz Intermediate Frequency : Power Consumption : Video 38.0 MHz Aerial Impedance : 75Ω unbalanced Sound 31.5 MHz (D, K, K1) / 32.5 MHz (B, G) Coaxial type 32.0 MHz (I) / 32.5 MHz (M)

  • Page 2: Table Of Contents

    TC-21PM50R Dimensions : Height : 486.0 mm Mass : 24.7 kg (Net Wt.) Width : 510.0 mm Specifications are subject to change without notice. Mass and dimensions shown are approximate. Depth : 489.0 mm CONTENTS Page Page 1 Safety Precautions 2.5.

  • Page 3: Safety Precautions

    TC-21PM50R 1 Safety Precautions 1.1. 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 circuit is found, replace all parts which have been overheated or damaged by the short circuit.

  • Page 5: Service Hints

    TC-21PM50R 2 Service Hints 2.1. Service Position for E-Board 1. Remove the back cover. 2. Stand the TV set as shown in Fig. 2. 3. Remove the A-Board from the TV set by pulling the main board out as shown in Fig. 2.

  • Page 6: Adjustment For White Balance

    TC-21PM50R 2.3. 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 DYNAMIC NORMAL. 3. Degausse the CRT face. 4. Fix the CRT colour analyzer receiver unit to CRT face.

  • Page 7: Adjustment Procedure

    TC-21PM50R 2.5. Adjustment Procedure Item / Preparation Adjustment Procedure +B Voltage Confirm the DC voltage at the indicated test points, as follows : 1. Operate the TV set. TPA 10 : 140.5 ± 1.5V 2. Set control as follows : TPA 8 : 8 ±...

  • Page 8: Pal Colour

    TC-21PM50R 2.6. 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 - 100AC, Sub Contrast - 21DAC. 3. Channel colour set --------- STD.
  • Page 9 TC-21PM50R 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 their maximum 1. Apply a crosshatch pattern signal and Normalize Contrast positions.
  • Page 10 TC-21PM50R Fig. 10 Fig. 11 Notes: 1. Wedge A, B and C should be inserted following the sequence of 1, 2 and 3 shown in Fig. 11. 2. The wedges should be set 120° apart from each other. 3. Be certain that three wedges are firmly fixed and the Deflection Yoke is tightly clamped in place.

  • Page 11: Schematic Diagram

    TC-21PM50R 4 Schematic Diagram...
  • Page 12 TC-21PM50R...

  • Page 13: A Board

    TC-21PM50R 4.1. A BOARD 4.1.1. A BOARD 1/4 <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A> <10A> <11A> <12A> <13A> <14A> <15A> <16A> <17A>...
  • Page 14 TC-21PM50R 4.1.2. A BOARD 2/4 <1A> <1B> <2B> <2A> <3B> <3A> <4A> <4B> <5A> <5B> <6A> <7A> <8A> <6B> <9A> <10A> <7B> <11A> <8B> <12A> <9B> <13A> <10B> <14A> <15A> <16A> <11B> <17A> <12B>...
  • Page 15 TC-21PM50R 4.1.3. A BOARD 3/4 <1B> <1C> <2B> <2C> <3B> <3C> <4B> <5B> <6B> <4C> <7B> <5C> <8B> <6C> <9B> <10B> <11B> <12B>...
  • Page 16 TC-21PM50R 4.1.4. A BOARD 4/4 <1C> <2C> <3C> <4C> <5C> <6C>...

  • Page 17: L Board

    TC-21PM50R 4.2. L BOARD 4.2.1. L BOARD 1/2 <1A> <2A> <3A> <4A> <5A> <6A> <7A>...
  • Page 18 TC-21PM50R 4.2.2. L BOARD 2/2 <1A> <2A> <3A> <4A> <5A> <6A> <7A>...

  • Page 19: Parts Location

    TC-21PM50R 5 Parts Location...

  • Page 20: Replacement Parts List

    TC-21PM50R 6 Replacement Parts List...

  • Page 21: Replacement Parts List

    TC-21PM50R 6.1. Replacement Parts List Ref. No. Part No. Part Name & Description Remarks R591 ERJ6GEYJ103 M 10KOHM,J,1/10W R592 ERJ6GEYJ222 M 2.2KOHM,J,1/10W Ref. No. Part No. Part Name & Description Remarks R593 ERJ6GEYJ103 M 10KOHM,J,1/10W A51LXR195X PICTURE TUBE R594 ERJ6GEYJ104...
  • Page 22 TC-21PM50R Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C408 ECQB1274JF P 0.27UF, J,100V L184 TALV35VB6R8K PEAKING COIL C502 ECKR2H821KB5 C 820PF, K,500V L352 EXCELSA24T BEAD CORE C503 ECKR2H821KB5 C 820PF, K,500V...
  • Page 23 TC-21PM50R Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks Q3030 2SD0601A0L TRANSISTOR R502 ERJ6GEYJ182 M 1.8KOHM,J,1/10W Q3031 2SD0601A0L TRANSISTOR R503 ERJ6GEY0R00 M 0OHM,J,1/10W Q3150 2SD0601A0L TRANSISTOR R504 ERG2SJ682E M 6.8KOHM,J, 2W...
  • Page 24 TC-21PM50R Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R3151 ERJ6GEYJ152 M 1.5KOHM,J,1/10W C1140 ECEA1CKA101 E 100UF, 16V R3152 ERJ6GEYJ681 M 680OHM,J,1/10W C1141 ECJ2VF1H104Z C 0.1UF, Z, 50V R3153 ERJ6GEYJ561...
  • Page 25 TC-21PM50R Ref. No. Part No. Part Name & Description Remarks IC851 C0DAAHF00005 IC, POWER SUPPLY IC880 AN77L05 LINEAR IC IC1103 TVR4GAS204 EEPROM IC JA36 ERJ6GEY0R00 M 0OHM,J,1/10W JK351 330550044K2F CRT SOCKET JK3002 K4BK06B00014 REAR AV TERMINAL JK3102 K4BC08B00012 FRONT AV TERMINAL...

Table of Contents

Save PDF