Panasonic PT-50LCZ70 - 50" Rear Projection TV Bedienungsanleitung

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distribution is a violation of law.

PT-50LCZ70

PT-56LCZ70

PT-61LCZ70

PT-50LCZ7

PT-56LCZ7

PT-61LCZ7

PT-50LCZ70-K

PT-56LCZ70-K

PT-61LCZ70-K

Vol. 2

Multi Media Display

ORDER NO. MKE0706853CE

1 Service Navigation 3

1.1. Introduction 3

1.2. About Lead Free Solder (PbF) 3

2 Service Mode 4

3 Troubleshooting Guide 11

3.1. Troubleshooting Hints for Component Level Repair 11

4 Service Fixture & Tools 27

4.1. Service Fixture and Tools 27

4.2. Service Position 29

4.3. Replacement Procedures for CSP (Chip Size Package) IC

5 Disassembly and Assembly Instructions 41

5.1. Optical Section 41

6 Measurements and Adjustments 49

6.1. Adjustment Procedures 2 49

7 Maintenance 56

7.1. Cleaning Methods 56

8 Block Diagrams 57

9 Schematic Diagrams 65

9.1. SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT

NOTES 65

9.2. MAIN SCHEMATIC DIAGRAMS 66

9.3. DRIVE SCHEMATIC DIAGRAMS 89

10 Printed Circuit Board 99

10.1. MAIN P.C.B. 99

10.2. DRIVE P.C.B. 109

11 Appendix Information of Schematic Diagram 111

11.1. CHECKING POINT TABLE OF THE CSP IC 111

11.2. WAVEFORM TABLE 116

12 Exploaded Views 118

12.1. OPTICAL UNIT SECTION 118

12.2. MAIN P.C.B. UNIT AND TOP DUCT UNIT SECTION 119

13 Replacement Parts List 120

13.1. REPLACEMENT NOTES 120

13.2. MECHANICAL REPLACEMENT PARTS LIST 121

13.3. SERVICE FIXTURES AND TOOLS REPLACEMENT

PARTS LIST 121

13.4. ELECTRICAL REPLACEMENT PARTS LIST 121

CONTENTS

Page Page

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

1 Service Navigation

1.1. Introduction

This service manual contains technical information which will allow service personnel´s to understand and service this model.

Please place orders using the parts list and not the drawing reference numbers.

If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service

manual.

1.2. About Lead Free Solder (PbF)

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

2 Service Mode

LAMP Indicator

POWER Indicator

Error Information

Priority

LAMP OFF

RESET

LAMP Indicator

flashes red

SOS

(Note 1)

(Note 2)

POWER Indicator

flashes orange

Note:

1. The detected Error data will be stored in the EEPROM, and SOS History (Code) is displayed in Self Check mode

or Service Adjust mode (SRV-TOOL).

2. The Lamp Indicator will flash X5 immediately after the Lamp goes off. For this SOS only, the TV power will remain on.

ON/OFF

Power

ON/OFF

Power

ON/OFF

Over voltage/Over current (SOS) 01

Abnormal voltage (DTV+9V line)

Abnormal voltage (SUB+5V line)

Abnormal voltage (MAIN+3.3V line) -

Communication error between Peaks (IC8001)

and TV Microcontroller (IC6004)

Communication error between Peaks (IC8001)

and TV Microcontroller (IC6004)

Lamp does not light up

Lamp failure

Abnormal Lamp temperature

Lamp communication error

IC4501 (Audio Amp) failure

Lamp Fan stops

Fan Case Unit (OPT Fan) stops

Front Fan or Rear Fan stops

Rear Fan or Front Fan stops

Rear Jack PCB connection error

Abnormal Lamp input voltage (+26V)

INDICATIONS FOR ERROR CONDITIONS

Each Indicator facilitates finding the cause of an error.

When an error is detected, the Lamp goes off and the indicators on the front flash.

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

MAIN PARTS LOCATION

Fan Case Unit

(OPT Fan)

Thermal Fuse

Air Filters

OPT/TV Unit

Front Cover Unit

Front Jack

/Operation P.C.B.

Power Switch

/Operation P.C.B.

SD/HDMI P.C.B.

LAMP LED

POWER LED

Front Door

Rear Cover

Main P.C.B./

Drive P.C.B.

Tuner P.C.B. Rear Jack P.C.B.

Power P.C.B.

RF AMP

Power Supply P.C.B.

Lamp Unit

Lamp Fan

Top Duct Unit

Front Fan

Rear Fan

Support

Shield

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

SERVICE ADJUST MODE

In this mode, the following information can be confirmed on the

screen:

ADJUST

- Contrast adjustment

WB-ADJ

- White Balance adjustment

OPTION

- Current Lamp elapsed time

RM-SET (Not used for service)

SRV-TOOL

- SOS History

- The number of times of the power has turned on

- Current Power on elapsed time

MMD-CHK

- Focus, Tilt, H/V Picture Position adjustment

- Internal pattern for LCD-CHK, GC-CHK

Fig. 2-1

Service Adjust Mode

Enter:

VOLUME DOWN button + RECALL key (3 times)

(in power on condition)

Exit from Main Menu:

Power OFF.

RECALL (X3)

VOL

(on the front)

(on the remote)

SRVICE

ADJUST

WB-ADJ

OPTION

RM-SET

SRV-TOOL

MMD-CHK

<RM-SET 1/1>

<SRV-TOOL 1/2>

<MMD-CHK 1/8>

ADJUST

CONTRAST

YMAX

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

OK 3sec:AUTO ADJUST

VOL:ADJUST

VIVID

200

394

OPTION

Boot

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

ROM

RM-SET

VIVID

1,2:MAIN SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

SRV-TOOL

VIVID

1,2:MAIN SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

MMD-CHK

FREQ

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

1 key 2 key

1 key

2 key

<WB-ADJ 1/8>

WB-ADJ

R-CUT

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

Peaks SOFT

Peaks EEP

LSI DATA

GenX SOFT

GenX EEP

GenX ROMCOR

GC5P EEP

FPGA

FACTDATA

0.480

0.16

0.00.5b

0.15.60

0.00.00

0.3a

12FF-FFFF

CAUTION:

Do not change any parameters!

SRVICE

ADJUST

WB-ADJ

OPTION

RM-SET

SRV-TOOL

MMD-CHK

Peaks software

version

Peaks SOFT

Peaks EEP

LSI DATA

GenX SOFT

GenX EEP

GenX ROMCOR

GC5P EEP

FPGA

FACTDATA

0.480

0.16

0.00.5b

0.15.60

0.00.00

0.3a

12FF-FFFF

Peaks EEPROM

data version

TV Microcontroller

EEPROM data version

TV Microcontroller

software version

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

ADJUST 1/4~4/4

Perform the Contrast adjustment by pressing OK key when replacing EEPROM IC (IC8201).

Fig. 2-2

WB-ADJ 1/8~8/8

Perform the White Balance adjustment by pressing VOL+/- key.

ADJUST

CONTRAST

YMAX

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

OK 3sec:AUTO ADJUST

VOL:ADJUST

VIVID

200

394

ADJUST

COLOR

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

ADJUST

TINT

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

ADJUST

SUB-BRT

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

800

3 key

4 key

3 key

4 key

3 key

4 key

3 key

4 key

(Not used for service)

4 key 4 key 4 key

<WB-ADJ 1/8> <WB-ADJ 2/8> <WB-ADJ 3/8> <WB-ADJ 4/8>

WB-ADJ

R-CUT

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

WB-ADj

G-CUT

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

WB-ADj

B-CUT

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

WB-ADj

R-DRV

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

3 key

4 key

3 key 3 key

3 key

4 key

(Not used for service) (Not used for service)

<WB-ADJ 5/8> <WB-ADJ 6/8> <WB-ADJ 7/8> <WB-ADJ 8/8>

WB-ADj

G-DRV

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

WB-ADj

B-DRV

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

WB-ADj

ALL-CUT

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

WB-ADj

ALL-DRV

BEFORE

FORMAT

ASPECT

COLOR TEMP

1,2:MAIN SELECT

3,4:SUB SELECT

7 :COLOR TEMP SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

NORMAL

COOL

3 key

4 key

3 key

4 key

3 key

4 key

3 key

4 key

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

OPTION 1/3~3/3

Confirm the current elapsed “Lamp operation”time in hours, in hexadecimal. (limit: FFFF)

SRV-TOOL 1/2~2/2

Confirm the number of times the power has turned on, the current elapsed “Power on”time in hours and minutes. (limit: 65535:00)

and SOS History.

Current elapsed "Lamp operation" time

eg.) 01F5

OPTION

Boot

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

ROM

OPTION

Emergency

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

OPTION

CURRENT LAMP

RESET COUNT

1,2:MAIN SELECT

3,4:SUB SELECT

5,6:PLACE

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

01F5

3 key

4 key

3 key

4 key

3 key

4 key

501 hour

SRV-TOOL

TD2Microde:81c0000f

Flash ROM:1-227E

PTCT:L09.L0a.000.L09.L0a

SRV-TOOL

TD2Microde:81c0000f

Flash ROM:1-227E

PTCT:000.000.000.000.000

Time 00512:20 Count 0000048

SOS History

eg.) PTCT: P04.L0b.L0b.P04.L0b

Exit from SRV-TOOL 2/2:

Unplug the AC Cord.

latest SOS

previous SOS

the 2nd SOS after shipment/last self check

the 1st SOS after shipment/last self check

the SOS before previous

Current elapsed "Power on" time

eg.) Time 00512:20

512 hour /20 min.

48 times

<SRV-TOOL 1/2> <SRV-TOOL 2/2> <SRV-TOOL 2/2>

SRV-TOOL

VIVID

1,2:MAIN SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

OK key

MUTE key

(for over 3 sec.)

Select and

The number of times the power has turned on

eg.) Count 0000048

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

CAUTION:

Do not change any parameters!

<SRV-TOOL>

(Not used for service)

<MMD-CHK 1/8> <MMD-CHK 2/8> <MMD-CHK 3/8> <MMD-CHK 4/8> <MMD-CHK 5/8> <MMD-CHK 6/8> <MMD-CHK 7/8> <MMD-CHK 8/8>

MMD-CHK

FREQ

1,2:MAIN SELECT

3,4:SUB SELECT

9 :PICTURE MENU SELECT

VOL:ADJUST

VIVID

VOL+ key VOL- key

VOL+ key

Internal Pattern for

LCD-CHK (Figure. A) Internal Pattern for

GC-CHK (Figure. B)

VOL- key

VOL+ key VOL- key

3 key

4 key

3 key

4 key

3 key

4 key

3 key

4 key

3 key

4 key

3 key

4 key

3 key

4 key

3 key

4 key

(Not used for service)

OPT HPOS 0024 OPT HPOS 001F

MMD-CHK 1/8~8/8 and internal pattern

Perform the Picture Position adjustment by pressing VOL+/- key, and display the internal pattern for LCD-CHK, GC-CHK.

Note:

Press 1 key to return Main Menu.

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

TUNER DIAGNOSTIC MODE

TUNER DIAGNOSTIC

Enter:

VOLUME UP button + VOLUME UP key

(for more than 5 seconds in power on condition)

Exit:

Press EXIT key.

(on the front)

VOL

(on the remote)

TUNE CH

Current CH

Mode

Frequency

Lock Status

SNR

4(4)

0.338

N/A

67.75 MHz

Unlocked

---dB

TUNE Status

Soft Version

Digital

Type

Unlocked

PCR Status

N/A

PCR pid

N/A

Video pid

N/A

Audio pid

N/A

Audio type

CC Waiting

System

FAT Status

Press Exit to return.

Press UP/DOWN or NUMBER,and OK to change the channel.

Video/Channel Status

VOL

EEPROM IC (IC5504) CAUTION

DO NOT copy any of data of EEPROM IC (IC5504) on the Main

P.C.B. using the ROM Writer. (It has HDCP key data.)

LCD PANEL FPC HANDLING CAUTION

CAUTION:

Use extreme caution to avoid damage when

handling the LCD Panel F.P.C.

Do not bend, twist, or give any pressure to the

following area of the LCD Panel F.P.C.

3.6 24.2

Do not bend over R50 (curvature).

LAMP CAUTION

The Lamp Unit becomes very hot during operation. When

replacing the Lamp Unit, wait until it has cooled off (1 hour or

more).

TOP DUCT UNIT NOTE

The optical parts will be exposed to the dust in the air when the

Top Duct Unit is removed. Therefore, it is strongly recommend

to remove the Top Duct Unit only in a clean room.

EEPROM IC (IC8201) CAUTION

DO NOT copy any of data of EEPROM IC (IC8201) on the Main

P.C.B. using the ROM Writer. (It has CPRM key data of

GallayPlayer.)

PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7

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