TX-LR32C10 - Panasonic TV Service Manual (repair manual)

tx-lr32c10 service manual
Model
TX-LR32C10
Pages
121
Size
7.7 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / KM02 CHASSIS
File
tx-lr32c10.pdf
Date

Read Panasonic TX-LR32C10 Service Manual online

ORDER NO. MTV0901829CE
LCD TV
Model No.
TX-LR32C10
Chassis:
KM02
Destination:
CIS
Specifications
Power Source
AC SINGLE 220 - 240V, 50/60 Hz
Power Consumption
Average use
121 W
Standby condition
0.7 W
Display panel
Aspect Ratio
16:9
Visible screen size
80 cm (diagonal)
698 mm (W) 
× 392 mm (H)
Number of pixels
1,049,088 (1,366 (W) 
× 768 (H))
Sound
Speaker
Full range 
× 2 pcs, 8 Ω
Audio Output
20 W (10 W + 10 W), 10% THD
PC Signals
VGA, SVGA, XGA
SXGA ...... (compressed)
Horizontal scanning frequency 31 - 69 kHz
Vertical scanning frequency 59 - 86 Hz
Receiving Systems / Band name
17 SYSTEMS
FUNCTIONS
PAL B, G, H
Reception of broadcast transmissions and 
playback from video cassette tape recorders.
PAL I
PAL D, K
SECAM B, G
SECAM D, K
SECAM K1
NTSC M (NTSC 3.58 / 4.5MHZ)
NTSC 4.43 / 5.5 MHz
Playback from special VCR’s or DVD.
NTSC 4.43 / 6.0 MHz
10 NTSC 4.43 / 6.5 MHz
11 NTSC 3.58 / 5.5 MHz
12 NTSC 3.58 / 6.0 MHz
13 NTSC 3.58 / 6.5 MHz
14 SECAM I
TX-LR32C10
2
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------4
1.1. General Guidelines ----------------------------------------4
1.2. Touch-Current Check--------------------------------------4
1.3. KM02 Chasis Block Diagram----------------------------5
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices ------------------ 6
3 About Lead Free Solder (PbF)-------------------------------- 7
4 Power LED Blinking Timing----------------------------------- 8
5 Chassis Board ----------------------------------------------------- 9
15 PAL 60 Hz / 5.5 MHz
Playback from Special Disc Players and 
Special VCR’s or DVD.
16 PAL 60 Hz / 6.0 MHz
17 PAL 60 Hz / 6.5 MHz
Receiving Channels (Analogue TV)
VHF BAND
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 USA)
UHF BAND
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 USA)
CATV
S1 - S20 (OSCAR)
1 - 125 (U.S.A. CATV)
C13 - C49 (JAPAN)
S21 - S41 (HYPER)
Z1 - Z37 (CHINA)
5A, 9A (AUST.)
Aerial - Rear
VHF / UHF
Operating Conditions
Temperature : 0
°C - 35°C
Humidity : 20 % - 80 % RH (non-condensing)
Connection Terminals
AV1 Input
AUDIO L-R
RCA PIN Type 
× 2
0.5 V [rms]
VIDEO
RCA PIN Type 
× 1
1.0 V [p-p] (75 
Ω)
AV2 Input
AUDIO L-R
RCA PIN Type 
× 2
0.5 V [rms]
VIDEO
RCA PIN Type 
× 1
1.0 V [p-p] (75 
Ω)
COMPONENT
Y
1.0 V [p-p] (including synchronization)
P
B
/C
B
, P
R
/C
R
± 0.35 V [p-p]
Others
HDMI 1 / 2 Input
TYPE A Connectors
• This TV supports “HDAVI Control 4” function.
• HDMI2 is not available for TH-L32C12K.
PC Input
HIGH-DENSITY D-SUB 15 PIN
R, G, B / 0.7 V [p-p] (75 
Ω)
HD, VD / TTL LEVEL 2.0-5.0 V [p-p] (high impedance)
Card Slot
SD Card slot 
× 1
Monitor 
Output
AUDIO L-R
RCA PIN Type 
× 2
0.5 V [rms] (High impedance)
VIDEO
RCA PIN Type 
× 1
1.0 V [p-p] (75 
Ω)
Dimensions (W x H x D)
798 mm 
× 551 mm × 217 mm (With Pedestal)
798 mm 
× 511 mm × 87 mm (TV only)
Mass
13.5 kg Net (With Pedestal)
11.5 kg Net (TV only)
Design and specifications are subject to change without notice. Weight and dimensions shown are approximate.
TX-LR32C10
3
5.1. Chassis Installation --------------------------------------- 9
6 Location of Controls and Components ------------------10
6.1. Wire Dressing ---------------------------------------------10
7 Disassembly and Assembly Instructions ---------------11
7.1. AC Cord Installation-------------------------------------- 11
7.2. VESA Metal Assembly ----------------------------------12
7.3. VESA (BC) Installation ----------------------------------13
7.4. Pedestal Assembly---------------------------------------14
7.5. LED Panel Installation & Fitting -----------------------15
7.6. Control Panel Assembly --------------------------------16
7.7. A-PB-MTG & Control Button Fixing ------------------17
7.8. Side AV Bracket Assembly-----------------------------18
7.9. Speaker Installation --------------------------------------19
7.10. LCD Panel--------------------------------------------------20
7.11. LCD Mouting Fixing --------------------------------------21
7.12. LCD Panel Assembly Installation---------------------22
7.13. EMI Spec (LVDS) -----------------------------------------23
7.14. Back Cover Assembly (Felt Sticking) ----------------24
8 Service Mode Adjustment ------------------------------------25
8.1. Self Check Mode -----------------------------------------25
8.2. Hotel Mode Adjustment ---------------------------------25
8.3. Hotel Mode -------------------------------------------------25
9 Measurements and Adjustments---------------------------26
9.1. Voltage Chart of A Board -------------------------------26
9.2. Voltage Chart of P Board -------------------------------26
9.3. Target of White Balance adjustment value ---------26
10 Printed Circuit Board-------------------------------------------27
10.1. A-Board -----------------------------------------------------27
10.2. A-Board -----------------------------------------------------28
11 Schematic Diagram ---------------------------------------------29
11.1. Schematic Diagram Notes -----------------------------29
11.2. A Board -----------------------------------------------------30
11.2.1. A Board - Sheet : 001 (1 / 1) ----------------------30
11.2.2. A Board - Sheet : 002 (1 / 8) ----------------------31
11.2.3. A Board - Sheet : 002 (2 / 8) ----------------------32
11.2.4. A Board - Sheet : 002 (3 / 8) ----------------------33
11.2.5. A Board - Sheet : 002 (4 / 8) ----------------------34
11.2.6. A Board - Sheet : 002 (5 / 8) ----------------------35
11.2.7. A Board - Sheet : 002 (6 / 8) ----------------------36
11.2.8. A Board - Sheet : 002 (7 / 8) ----------------------37
11.2.9. A Board - Sheet : 002 (8 / 8) ----------------------38
11.2.10. A Board - Sheet : 003 (1 / 6) ----------------------39
11.2.11. A Board - Sheet : 003 (2 / 6) ----------------------40
11.2.12. A Board - Sheet : 003 (3 / 6) ----------------------41
11.2.13. A Board - Sheet : 003 (4 / 6) ----------------------42
11.2.14. A Board - Sheet : 003 (5 / 6) ----------------------43
11.2.15. A Board - Sheet : 003 (6 / 6) ----------------------44
11.2.16. A Board - Sheet : 004 (1 / 2) ----------------------45
11.2.17. A Board - Sheet : 004 (2 / 2) ----------------------46
11.2.18. A Board - Sheet : 005 (1 / 5) ----------------------47
11.2.19. A Board - Sheet : 005 (2 / 5) ----------------------48
11.2.20. A Board - Sheet : 005 (3 / 5) ----------------------49
11.2.21. A Board - Sheet : 005 (4 / 5) ----------------------50
11.2.22. A Board - Sheet : 005 (5 / 5) ----------------------51
11.2.23. A Board - Sheet : 006 (1 / 4) ----------------------52
11.2.24. A Board - Sheet : 006 (2 / 4) ----------------------53
11.2.25. A Board - Sheet : 006 (3 / 4) ----------------------54
11.2.26. A Board - Sheet : 006 (4 / 4) ----------------------55
11.2.27. A Board - Sheet : 007 (1 / 9) ----------------------56
11.2.28. A Board - Sheet : 007 (2 / 9) ----------------------57
11.2.29. A Board - Sheet : 007 (3 / 9) ----------------------58
11.2.30. A Board - Sheet : 007 (4 / 9) --------------------- 59
11.2.31. A Board - Sheet : 007 (5 / 9) --------------------- 60
11.2.32. A Board - Sheet : 007 (6 / 9) --------------------- 61
11.2.33. A Board - Sheet : 007 (7 / 9) --------------------- 62
11.2.34. A Board - Sheet : 007 (8 / 9) --------------------- 63
11.2.35. A Board - Sheet : 007 (9 / 9) --------------------- 64
11.2.36. A Board - Sheet : 008 (1 / 4) --------------------- 65
11.2.37. A Board - Sheet : 008 (2 / 4) --------------------- 66
11.2.38. A Board - Sheet : 008 (3 / 4) --------------------- 67
11.2.39. A Board - Sheet : 008 (4 / 4) --------------------- 68
11.2.40. A Board - Sheet : 009 (1 / 2) --------------------- 69
11.2.41. A Board - Sheet : 009 (2 / 2) --------------------- 70
11.2.42. A Board - Sheet : 010 (1 / 5) --------------------- 71
11.2.43. A Board - Sheet : 010 (2 / 5) --------------------- 72
11.2.44. A Board - Sheet : 010 (3 / 5) --------------------- 73
11.2.45. A Board - Sheet : 010 (4 / 5) --------------------- 74
11.2.46. A Board - Sheet : 010 (5 / 5) --------------------- 75
11.2.47. A Board - Sheet : 011 (1 / 2)---------------------- 76
11.2.48. A Board - Sheet : 011 (2 / 2)---------------------- 77
11.2.49. A Board - Sheet : 012 (1 / 3) --------------------- 78
11.2.50. A Board - Sheet : 012 (2 / 3) --------------------- 79
11.2.51. A Board - Sheet : 012 (3 / 3) --------------------- 80
11.2.52. A Board - Sheet : 013 (1 / 5) --------------------- 81
11.2.53. A Board - Sheet : 013 (2 / 5) --------------------- 82
11.2.54. A Board - Sheet : 013 (3 / 5) --------------------- 83
11.2.55. A Board - Sheet : 013 (4 / 5) --------------------- 84
11.2.56. A Board - Sheet : 013 (5 / 5) --------------------- 85
11.2.57. A Board - Sheet : 014 (1 / 4) --------------------- 86
11.2.58. A Board - Sheet : 014 (2 / 4) --------------------- 87
11.2.59. A Board - Sheet : 014 (3 / 4) --------------------- 88
11.2.60. A Board - Sheet : 014 (4 / 4) --------------------- 89
11.2.61. A Board - Sheet : 015 (1 / 7) --------------------- 90
11.2.62. A Board - Sheet : 015 (2 / 7) --------------------- 91
11.2.63. A Board - Sheet : 015 (3 / 7) --------------------- 92
11.2.64. A Board - Sheet : 015 (4 / 7) --------------------- 93
11.2.65. A Board - Sheet : 015 (5 / 7) --------------------- 94
11.2.66. A Board - Sheet : 015 (6 / 7) --------------------- 95
11.2.67. A Board - Sheet : 015 (7 / 7) --------------------- 96
11.2.68. A Board - Sheet : 016 (1 / 1) --------------------- 97
11.3. K Board ----------------------------------------------------- 98
11.3.1. K Board (1 / 2) --------------------------------------- 98
11.3.2. K Board (2 / 2) --------------------------------------- 99
11.4. P Board --------------------------------------------------- 100
11.4.1. P Board (1 / 4) ------------------------------------- 100
11.4.2. P Board (2 / 4) ------------------------------------- 101
11.4.3. P Board (3 / 4) ------------------------------------- 102
11.4.4. P Board (4 / 4) ------------------------------------- 103
11.5. V Board --------------------------------------------------- 104
11.5.1. V Board (1 / 4) ------------------------------------- 104
11.5.2. V Board (2 / 4) ------------------------------------- 105
11.5.3. V Board (3 / 4) ------------------------------------- 106
11.5.4. V Board (4 / 4) ------------------------------------- 107
12 Exploded View and Replacement Parts List --------- 108
12.1. Exploded View and Mechanical Replacement
Parts List ------------------------------------------------- 108
12.2. Electrical Replacement Parts List------------------ 108
12.2.1. Replacement Parts List Notes ----------------- 108
12.2.2. Electrical Replacement Parts List ------------- 109
TX-LR32C10
4
1 Safety Precautions
1.1.
General Guidelines
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.2.
Touch-Current Check
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth ground
such as a water pipe as shown in Figure 1.
3. Use the Leakage Current Tester (Simpson 228 or equivalent) to measure the potential across the measuring network.
4. Check each exposed metallic part and measure the voltage at each point.
5. The potential at any point (touch current) expressed as voltage U
1
 and U
2
, do not exceed the following values:
For AC: U
1
 = 35 V (peak) and U
2
 = 0.35 V (peak);
For DC: U
1
 = 1.0 V,
NOTE :
The limit value of U
2
 = 0.35 V (peak) for AC and U
1
 = 1.0 V for DC correspond to the values 0.7 mA (peak) AC and 2.0 mA
DC.
The limit value U
1
 = 35 V (peak) for AC correspond to the value 70 mA (peak) AC for frequencies greater than 100 kHz.
6. Should a measurement be out of the limits specified, there is a possibility of a shock hazard, and the equipment should be
repaired and rechecked before it is returned to the customer.
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