Panasonic dmr ez 475 vp service manual

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ORDER NO.CHM0704017CE

Service Manual

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Note 1:
This model's DVD Drive is VXY1961.
Note 2:

This model's VHS Mechanism is BA
Mechanism Chassis for North America Model.
:Order No. VRO404003C1

DVD Recorder

Model No.DM R'EZ47VP
DMR-EZ475VP

Vol. 1

Colour
(K) ....................... Black Type

Manufactured underlicense from Dolby Laboratories.
Dolby and the doublevD symbol are trademarks of Dolby
Laboratories.

DTS is a registered trademark of DTS, Inc. and DTS 2.0+Digiial
Out" is a trademark of DTS, Inc.

Apparatus Claims of US. Patent Nos. 4,631,603, 4,577,216, and
4,819,098, licensed for limited viewing uses only.

This product incorporates copyright protection technology that

is protected by method claims of certain U.S. patents and other
intellectual property rights owned by Macrovision Corporation and
other rights owners, Use of this copyright protection technology
must be authorized by Macrovision Corporation, and is intended
for home and other limited viewing uses only unless otherwise
authorized by Macrovision Corporation. Reverse engineering or
disassembly is prohibited.

Official DivX® Certified product.

Plays all versions of DivX® video (including DivXV" 6) with standard
playback of DivX media files. DivX, DivX Certified, and associated
logos are trademarks of DivX, inc. and are used under license.

HDMI, the HDMI logo and High-Definition Multimedia Interface are
trademarks or registered trademarks oi HDMI Licensing LLC.

HDAVI ControlTM is a trademark of Matsushita Electric Industrial 00.,
Ltd.

o SDHC logo is a trademark.
- Portions of this product are protected undercopyright law and are
provided under license by ARIS/SOLANAMC.

Panasonici

EZ SynclM is a trademark of Matsushita Electric Industrial Co, Ltd.

© 2007 Matsushita Electric Industrial 00., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.

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DMR-EZ47VP / DMR-EZ475VP

A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced protessional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

1 Safety Precaution -------

1.1. General guidelines

1.2. Caution for fuse replacement ------------------------------------------ 4

2 Warning ---------------------------------------------------------------------------------- 5
2.1. Prevention of Electrostatic Discharge (ESD) to

Electrostatic Sensitive (ES) Devices

2.2. Precaution of Laser Diode -----------

2.3. Service caution based on legal restrictions ...................... 7
3 Service Navigation .................................................................. 3
3.1. Service Information ........................................................ 8

3.2. Caution for DivX
4 Specifications ---------

5 Location of Controls and Components ................................. 10

5.1. Each Buttons --------------------------------------------------------------- 10

6 Operation Instructions .......................................................... 12
6.1. (DVD) Taking out the Disc from RAM-Drive Unit when the

Disc cannot be ejected by OPEN/CLOSE button ----------- 12

6.2. (VHS) Removing Cassette Tape manually ..................... 14

7 Sewice Mode ------------------------------------------------------------------------ 16

7-1- (DVD) Self-Diagnosis and Special Mode Setting ............ 16

7.2. (VHS) Self-Diagnosis and Special Mode Setting
8 Service Fixture & Tools-

9 Assembling and Disassembling Instructions
9.1. Disassembly Flow Chart ----------------------------------------------- 33
9.2. P.C.B. Positions--- ----------------------------------------------------- 34
9.3. Caution with inserting cassette tape when disassembling

the unit-

9.4. Top cover

9.5. Front Panel ------------------------------------------------------------------ 36
9.6. Front (L) P.C.B. & Front (Ft) P_C_B_ ............................... 37
9.7. DVD drive ------------

9.8. SD/DV Jack P.C.B
9.9. Rear Panel, Fan Motor

9.10. Digital P.C.B_ --------------------------------------------------------------- 40
9.11. VHS Mechanism Unit --------------------------------------------------- 41
9.12. Main P.C.B.

9.13. Digital l/F P.C.B.
10 Measurements and Adjustments
10.1. Service Positions --------------------------------------------------------- 43
10.2. Caution for Replacing Parts ------------------------------------------ 47
10.3. Standard Inspection Specifications after Making Repairsfio
11 Block Diagram--

11.1. Power Supply Block Diagram
11.2. Main P.C.B. Regulator Block Diagram --------------------------- 54
11.3. Analog Video Block Diagram ........................................ 55
11.4. Analog Audio Block Diagram ---------------------------------------- 57

Page
- 58

11.5. Analog Timer Block Diagram ------------

11.6. System Control & Servo Block Diagram -59
12 Schematic Diagram --------------------------------------------------------------- 61
12.1. Interconnection Schematic Diagram ------------------------------ 61

12.2. Power Supply Section (Power 8. Digital I/F P.C.B.(1/3))

Schematic Diagram (P) ......................................... 53
12.3. Digital I/F (1/4) Section (Power & Digital I/F P.C.B.(2/3))
Schematic Diagram (IF) .......................................... 55

12.4. Digital I/F (2/4) Section (Power & Digital I/F P.C.B.(2/3))
Schematic Diagram (IF) ------------------------------------------------ 66
12.5. Digital I/F (3/4) Section (Power & Digital I/F P.C.B.(2/3))

Schematic Diagram (IF) ------------------------------------------ 57
126. Digital I/F (4/4) Section (Power & Digital I/F P.C.B.(2/3))
Schematic Diagram (IF) .......... 68

12.7. Tuner Section (Power & Digital I/F P.C.B.(3/3)) Schematic

Diagram (IF) ------------------------------------------------------------- 69
128. Video Section (Main P.C.B.(1/4)) Schematic Diagram (V)

......................................... 70
12.9. VHS Audio Section (Main P.C.B.(2/4)) Schematic Diagram
(A) ------------------------------------------------------------------------------- 71

12.10. Syscon/Servo/Timer (1/4) Section (Main P.C.B.(3/4))
Schematic Diagram (S)- -72

12.11. Syscon/Servo/Timer (2/4) Section (Main P.C.B.(3/4))
Schematic Diagram (S) --------------------------------------- 73

12.12. Syscon/Servo/Timer (3/4) Section (Main P.C.B.(3/4))
Schematic Diagram (S) ------------------------------------------------ 74
12.13. Syscon/Servo/Timer (4/4) Section (Main P.C.B.(3/4))
Schematic Diagram (S) ------------------------------------------ 75
12.14. I/O Section (1/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
------------- 77
12.15. I/O Section (2/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
-78
12.16. I/O Section (3/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
............. 79
12.17. I/O Section (4/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
-80

12.18. DV Jack/SD Card Schematic Diagram- -82
12.19. Front (L) Schematic Diagram ----------- -83
12.20. Front (R) Schematic Diagram --------------------------------------- 83
13 Printed Circuit Board ------------------------------------------------------------ 85

13.1. Power 8r Digital l/F P.C.B. -85
13.2. Main P.C.B. -- '90
13.3. DV Jack/SD Card P.C.B. -95
13.4. Front (L) P.C.B., From (R) P.C.B. --------------------------------- 96
14 Appendix for Schematic Diagram ----------------------------------------- 97
14.1. Voltage and Waveform Chart --------------------------------------- 97