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Panasonic TH-42LF25W, Руководство по обслуживанию

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Panasonic TH-42LF25W Скачать руководство пользователя страница 27

TH-42LF25W / TH-47LF25W

27

9

Block Diagram

9.1.

Block (1 of 2) Diagram

5VSTB

12VA

ON/OFF

24VP

IC1601

1

LUVP

2

3

CS/FB

4

GND

5

OUT

6

VCC

7

8

VSTR

D651

D652

D650

IC633

1

CSS

2

DELA

Y

3

CF

4

RFMIN

5

STBY

6

ISEN

7

LINE

8

DIS

9

PFC_ST

OP

10

GND

11

LV

G

12

VCC

13

N.C.

14

OUT

15

HVG

16

VBOOT

T6011

COLD

HOT

42  :T602
47  :T600

7

1

12

8

3

6

11

2

4

IC602

L605

12

1

5

6

7

8

10

11

9

24VP

24VP

I_PWN

KIV1

1

1

2

3

4

5

6

7

8

9

10

11

12

12

SEL

SEL

K6C

1

1

2

3

4

5

6

7

8

9

10

11

11

KIV2

1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

14

BLON

BLON

I_PWN

12VA

E_PWN

E_PWN

MAIN-ON/OFF

MAIN-ON/OFF

F_5V

F_5V

F_5V

12VA

12VH

5VSTB

24VP

24VH

24VP

12VA

24VP

24VH

24VP

12VH

SWICH1

T652

2

1

5

4

7

8

9

10

3

42  :PC603
47  :D6809

SWICH

IC603

IC605

1

S/OCP

2

BR

3

GND

4

FB/OLP

5

VCC

7

D/ST

8

D/ST

Q604

D603

1

2

3

4

K601

1

4

RL601

SWICH1

SWICH

K6B

1

1

2

3

4

5

6

7

8

9

10

11

12

13

13

K16B

1

1

1

7

7

1

2

3

4

5

6

7

8

9

10

11

12

13

13

PWR-30V

DC416V

520V

400V

400/3A

MAX:AC264V/2.7A

400/3A

MAX:AC264V/2.7A

MAX:AC264V/2.7A

400V

200V

412V

NOISE

FILTER

Q613
Q612

Q614
Q615

Q6800

Q685

Q684

Q690~692

42  :Q6801
47  :Q600,Q601,Q605,Q606

Q1606

Q1601

Q602

Q604

1

1

2

3

4

5

6

7

8

9

10

11

11

BLON

L6603

P_FAIL1

P_FAIL1

K16C

P_FAIL1

P_FAIL1

DCR_VBR

BLON

DCR_VBR

12V_PWR

5VSTB

24V

L6604

5VSTB

L6605

12V/24V_EN

Q6620

Q6621

K6A

1

2

3

4

5

6

7

SWICH1

MAIN_EN

SWICH

SWICH2

K16A

1

2

3

4

5

6

7

MCU_5V

12VPAN_EN

12VPAN_EN

PANEL_12V

IC6600

2

3

7

12V

IC7504

1

2

3

4

1.2VSTB

3.3VSTB

IC7501

1

2

3

4

1.2V_AUD

5VSTB

3.3V_I/O

3.3V_AUD

3.3V_LVDS

Q7501

IC7505

1

2

3

4

3.3V_LBADC

3.3V_ADC

3.3V_HDMI

Q7502

1

2

3

4

5

6

7

8

3.3V

5VD_PWR

IC7503

1

2

3

4

1.2V

1.8V_DDR

IC5503

1

2

3

4

5

6

7

8

9

IC7506

1

2

3

4

0.9_DDR_VREF

1.2V_DPRX

1.8V_DDR

1.2V_ADC

3.3V_DDR

1.2V_HDMI

1.2V

1.2V_CORE

3.3V

3.3V_SW

IC6612

1

2

3

4

5

6

7

8

9

PWM1

DCR_VBR

DCR_IN

OPC_EN

OPC_EN

KLVP

PANEL_12V

3.3V_I/O

3.3V_I/O

PEL-TEST

PEL-TEST

LCD PANEL

Q4001

MAIN CHIP

IC7200

(NEXT PAGE)

SWICH1

MAIN_EN

SWICH

SWICH2

MAIN BOARD

POWER BOARD

(42  ONLY)

Q607

Содержание TH-42LF25W

Страница 1: ...Service Mode Function 1 13 6 4 Service Mode Function 2 14 7 Troubleshooting Guide 15 8 Disassembly and Assembly Instructions 16 8 1 Flowchart for disassembly 16 8 2 Preparations 17 8 3 Pedestal option removal 17 8 4 Rear cover removal 17 8 5 Replacement method for main board and jack board 18 8 6 Replacement method for Power board 19 8 7 Replacement method for AC cord bracket 19 8 8 Cabinet back r...

Страница 2: ...ing Connection Diagram 3 32 10 4 Wiring Connection Diagram 4 33 11 Exploded View and Replacement Parts List 34 11 1 Exploded View and Mechanical Replacement Parts List 34 11 2 Mechanical Replacement Parts List 42 inch 50 11 3 Mechanical Replacement Parts List 47 inch 51 11 4 Electrical Replacement Boards list 42 inch 52 11 5 Electrical Replacement Boards list 47 inch 52 11 6 Boards Layout 52 ...

Страница 3: ...ock 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 Leakage Current Tester Simpson 228 or equivalent to measure the potential across the measuring netw...

Страница 4: ... or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do ...

Страница 5: ...tion Pb free solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F or 600 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area before applying Pb ...

Страница 6: ...6 TH 42LF25W TH 47LF25W 3 Service Navigation 3 1 Applicable signals ...

Страница 7: ...7 TH 42LF25W TH 47LF25W ...

Страница 8: ...als AV IN VIDEO BNC 1 0 Vp p 75 ohm S VIDEO Mini DIN 4PIN Y 1 0 Vp p 75 ohm C 0 286 Vp p 75 ohm AUDIO L R RCA Pin jack 2 0 5 Vrms HDMI 1 2 TYPE A Connector COMPONENT RGB IN G Y BNC with sync 1 0 Vp p 75 ohm B PB CB BNC 0 7 Vp p 75 ohm R PR CR BNC 0 7 Vp p 75 ohm AUDIO L R RCA Pin jack 2 0 5 Vrms DVI D IN DVI D 24 Pin Compliance with DVI Revision 1 0 Content Protection Compatible with HDCP 1 1 AUDI...

Страница 9: ...9 TH 42LF25W TH 47LF25W 5 Operating Instructions ...

Страница 10: ...10 TH 42LF25W TH 47LF25W ...

Страница 11: ...11 TH 42LF25W TH 47LF25W 6 Service Mode 6 1 Service Menu Function 1 ...

Страница 12: ...12 TH 42LF25W TH 47LF25W 6 2 Service Menu Function 2 ...

Страница 13: ...13 TH 42LF25W TH 47LF25W 6 3 Service Mode Function 1 ...

Страница 14: ...14 TH 42LF25W TH 47LF25W 6 4 Service Mode Function 2 ...

Страница 15: ...15 TH 42LF25W TH 47LF25W 7 Troubleshooting Guide ...

Страница 16: ...16 TH 42LF25W TH 47LF25W 8 Disassembly and Assembly Instructions 8 1 Flowchart for disassembly ...

Страница 17: ...h module Be careful not to overtighten the screws when installing each module 8 3 Pedestal option removal If the pedestal option is installed remove the 2 screws for the pedestal on each side and then remove the pedestal 8 4 Rear cover removal First remove the 10 screws on the rear cover and then remove the rear cover SCR TPG BRZ 4x10 Boards Parts location This unit is designed so that removing th...

Страница 18: ...n the main board K16C KSPR KSPL KLVP K16B K16A K8F K72E K72D 5 Replace the main board with the replacement board Precautions when removing and installing The lead wire is affixed to the shield casing on the main board with aluminum foil tape Re use the shield casing with the lead wire affixed as is The gasket is affixed to both sides of the main board The gasket is not included on the replacement ...

Страница 19: ...ove the K601 connector for the AC cord bracket from the Power board 2 Remove 1 screw that screws in the earth wire for the AC cord Screw SCR BIN 4X6 3 Pull out the AC cord bracket from the slit on the cabinet back 4 Remove the screws Qty 2 and nuts Qty 2 shown in the illustration and then remove the AC cord component Screw SCR BRZ 3X10 Nut NUT HEX 3 5 Replace the AC cord Precautions when removing ...

Страница 20: ...ard KIV1 KIV2 2 Remove according to the previous section Cabinet back removal 8 11 Replacement method for speakers 1 Remove the cabinet back 2 Peel off the tape halfway that affixes the speaker lead on the inside of the cabinet back and then remove the speaker lead Refer to the wiring connection diagram 3 Remove the screws Qty 4 on each side that screw in the speaker unit and then replace it with ...

Страница 21: ...e procedure mentioned previously and remove the connector board the FFC cable and the lead wire from rear side of the LCD panel 2 Peel off the 2 pieces of aluminum foil tape that are affixed to and cross over the rear side of the LCD panel and the upper part of the mounting that connects the cabinet front and LCD panel 3 While widening the mounting that connects the cabinet front and the LCD panel...

Страница 22: ...he gasket 4 The spacer sheet and the gasket are affixed to the fittings that hold down the RC LED board When replacing the fittings also replace the spacer sheet and the gasket 8 16 Cabinet front replacement Precautions when replacing The parts that are necessary for replacement spacer sheet Panasonic badge etc are not included They are supplied as replacement parts Replace them at the same time a...

Страница 23: ... that are necessary for replacement DEC button DEC AV etc are not included They are supplied as replacement parts Replace them at the same time as the cabinet back 1 Remove each board speaker and fitting from the cabinet back 2 Remove the screws Qty 4 shown in the illustration and remove the terminal holder fitting SCR S TPG BRZ FLG 3 0X8 0 V 3 Remove the screws shown in the diagram and then remov...

Страница 24: ...g and the Power board holder are available in the replace ment parts Use the gasket with the holder fitting that is affixed as is The type of tape for affixing in order to set up the lead wire on the rear side of the cabinet back is not included When replacing the cabinet back also replace the type of tape that is used When replacing the cabinet back secure the lead wires for the speaker and key S...

Страница 25: ...25 TH 42LF25W TH 47LF25W When replacing the cabinet back secure the lead wires for the speaker and main board to the cabinet back with replacement tape ...

Страница 26: ...26 TH 42LF25W TH 47LF25W ...

Страница 27: ... 9 10 11 12 13 13 PWR 30V DC416V 520V 400V 400 3A MAX AC264V 2 7A 400 3A MAX AC264V 2 7A MAX AC264V 2 7A 400V 200V 412V NOISE FILTER Q613 Q612 Q614 Q615 Q6800 Q685 Q684 Q690 692 42 Q6801 47 Q600 Q601 Q605 Q606 Q1606 Q1601 Q602 Q604 1 1 2 3 4 5 6 7 8 9 10 11 11 BLON L6603 P_FAIL1 P_FAIL1 K16C P_FAIL1 P_FAIL1 DCR_VBR BLON DCR_VBR 12V_PWR 5VSTB 24V L6604 5VSTB L6605 12V 24V_EN Q6620 Q6621 K6A 1 2 3 4...

Страница 28: ...IIC IIC HD5V2 HOT_PLUG HDMI2_HPD HDMI2_SDA HDMI2_SCL DVI_SDA HDMI_SDA HDMI1_HPD SCL SDA HDMI_SCL POW_SINK HDMI_SDA HDMI_SCL POW_SINK 3 3VSTB IC804 REAL TIME CLOCK SDA CLOCKOUT CLOCKOUT RTC RTC SCL SDA SCL 3 3VSTB MCU_5V IC805 MCU_5V MAIN_EN IR KEY_POWER RTC 5VD_PWR SWICH SWICH SWICH1 SWICH2 IC7201 10 11 12 13 14 15 16 17 18 19 20 SYNC_DET PC_DET LED_GREEN LED_RED UART SW UART SW IC2005 IC2006 RXD0...

Страница 29: ...29 TH 42LF25W TH 47LF25W 10 Wiring Connection Diagram 10 1 Wiring Connection Diagram 1 ...

Страница 30: ...30 TH 42LF25W TH 47LF25W ...

Страница 31: ...31 TH 42LF25W TH 47LF25W 10 2 Wiring Connection Diagram 2 ...

Страница 32: ...32 TH 42LF25W TH 47LF25W 10 3 Wiring Connection Diagram 3 ...

Страница 33: ...33 TH 42LF25W TH 47LF25W 10 4 Wiring Connection Diagram 4 ...

Страница 34: ...34 TH 42LF25W TH 47LF25W 11 Exploded View and Replacement Parts List 11 1 Exploded View and Mechanical Replacement Parts List 11 1 1 Exploded View 11 1 1 1 Cabinet front 1 ...

Страница 35: ...35 TH 42LF25W TH 47LF25W 11 1 1 2 Cabinet front 2 ...

Страница 36: ...36 TH 42LF25W TH 47LF25W 11 1 1 3 Lid back ...

Страница 37: ...37 TH 42LF25W TH 47LF25W 11 1 1 4 Screws for Cabinet back 42 ...

Страница 38: ...38 TH 42LF25W TH 47LF25W 11 1 1 5 Screws for Cabinet back 47 ...

Страница 39: ...39 TH 42LF25W TH 47LF25W 11 1 1 6 Cabinet back 42 ...

Страница 40: ...40 TH 42LF25W TH 47LF25W 11 1 1 7 Cabinet back 47 ...

Страница 41: ...41 TH 42LF25W TH 47LF25W 11 1 1 8 Inside of Cabinet back ...

Страница 42: ...42 TH 42LF25W TH 47LF25W 11 1 1 9 Screws for board 42 ...

Страница 43: ...43 TH 42LF25W TH 47LF25W 11 1 1 10 Screws for board 47 ...

Страница 44: ...44 TH 42LF25W TH 47LF25W 11 1 1 11 Screws for board holder 42 ...

Страница 45: ...45 TH 42LF25W TH 47LF25W 11 1 1 12 Screws for board holder 47 ...

Страница 46: ...46 TH 42LF25W TH 47LF25W 11 1 1 13 Gasket around the AC inlet and Main board ...

Страница 47: ...47 TH 42LF25W TH 47LF25W 11 1 1 14 Wire Panel mounting bracket ...

Страница 48: ...48 TH 42LF25W TH 47LF25W 11 1 1 15 Packing Accessories 42 ...

Страница 49: ...49 TH 42LF25W TH 47LF25W 11 1 1 16 Packing Accessories 47 ...

Страница 50: ...C HOLDER ASSY 1 53 T6103505688 FIXER AC CORD A 1 1 55 T6520033634 AC INLET 150MM SERVICE 1 56 T4112205902 SCREW BRZ 3X10 2 57 T4112206206 NUT HEX 3 2 59 T6103407241 GASKET AW 1 60 T6103341279 GASKET AW 2 61 T9550003837 FIXER HOOK 3 62 T9101305540 FIXER HOOK D13 PP 1 64 T6520019041 CORE CLAMP 1 65 T6103579054 ASSY MOUNTING PANEL C 2 66 T6103579061 ASSY MOUNTING PANEL D 2 67 T6103567211 CASE ACCESSO...

Страница 51: ...57 T4112206206 NUT HEX 3 2 59 T6103407241 GASKET AW 1 60 T6103341279 GASKET AW 2 61 T9550003837 FIXER HOOK 3 64 T6520019041 CORE CLAMP 1 67 T6103567211 CASE ACCESSORIES 1 68 T6103567280 CARTON CASE 1 69 T6103507200 BAG 1 70 T6103566825 CUSHION TOP 1 71 T6103566832 CUSHION BTM 1 73 K2CK3YY00016 AC CORD Oblique flat blade 2 0MK 1 74 TMMX169 FIXER AC CORD B 1 N9AB 2 75 N2QAYB000535 REMOTE CONTROL 1 7...

Страница 52: ...ACK 1 63 T6103516394 CIRCUIT BOARD CONNECTOR 1 Safety Ref No Part No Part Name Description Pcs Remarks 15 T6103500829 CIRCUIT BOARD RC LED 1 37 T6103500836 CIRCUIT BOARD KEY SW 1 41 T6103565033 CIRCUIT BOARD POWER 1 42 T6103565002 CIRCUIT BOARD MAIN 1 43 T6103500812 CIRCUIT BOARD JACK 1 63 T6103516394 CIRCUIT BOARD CONNECTOR 1 Ref No Board Name Function Remarks 15 RC LED Remote Receiver LED All bo...

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