Panasonic dmr ex 95 veb service manual

Page 2

DMR-EXSSVEG / DMR-EXBSVEB

AWARNING

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 professional 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
Page
1 SAFETY PRECAUTIONS --------------------------------------------------------- 4
1.1. GENERAL GUIDELINES ------------------------------------------------ 4
2 WARNING ............................................................................... 5
2.1. PREVENTION OF ELECTROSTATIC DISCHARGE (ESD)
TO ELECTROSTATIC SENSITIVE (ES) DEVICES ---------- 5
2.2. PRECAUTION OF LASER DIODE ---------------------------------- 6
2.3. SERVICE CAUTION BASED ON LEGAL RESTRICTIONS
-7
3 SERVICE NAVIGATION -a
3.1. SERVICE INFORMATION ---------------------------------------------- 3
3.2. CAUTION FOR DivX (For EG only) -------------------------------- 3
4 SPECIFICATION ---------------------------------------------------------------------- 9

5 NEW FEATURE .......................
5.1. ABOUT DiVX (EXCEPT EB)

..10
0

5.2. HDAVI CONTROL (HDMI LINK) --15
6 LOCATION OF CONTROLS AND COMPONENTS .................. 17
7 OPERATING INTRUCTIONS .................................................. 18

7.1. (DVD) TAKING OUT THE DISC FROM RAM-DRIVE UNIT
WHEN THE DISC CANNOT BE EJECTED BY

OPEN/CLOSE BUTTON ............................................... 1g
7.2. (VHS) REMOVING OF CASSETTE TAPE ..................... 19
8 SERVICE MODE .................................................................... 21
8.1. (DVD) SELF-DIAGNOSIS AND SPECIAL MODE
SETTING- ..21
8.2. (VHS) SELF-DIAGNOSIS AND SPECIAL MODE
SETTING ..................................................................... 32
9 SERVICE FIXTURE AND TOOLS ........................................... 34

1o ASSEMBLING AND DISASSEMBLING --
10.1. DISASSEMBLY FLOW CHART
10.2. P.C.B. POSITIONS ...............
10.3. CAUTION WHILE INSERTING CASSETTE TAPE WHEN

DISASSEMBLING THE UNIT ....................................... 35

10.4. TOP CASE .....
10.5. FRONT PANEL-
10.s. FRONT JACK P.C.B &FL DRIVE P.C.B.
10.7. REAR PANEL...-
10.s. HARD DISC DRIVE ..................................................... as
10.9. FAN MOTOR ............................................................... 38
10.10. VCR MECHANISM UNIT
1011. MAIN P.C.B. ...............

10.12. TUNER ........................................................................ 39
10.13. DVD-RAM DRIVE / DIGITAL P_c_B_ MODULE .............. 39
10.14. SD/DV IN P.C_B. .......................................................... 40

10.15. POWER & DIGITAL I/F P.C.B
10.16. BACK END P.C.B. ---------

--41

Page
10.17. HDMI P.C_B_ ................................................................ 42
11 MEASUREMENTS AND ADJUSTMENTS ................................ 43

11.1. SERVICE POSITIONS ..................

11.2. CAUTION FOR REPLACING PARTS
11.3. (DVD) STANDARD INSPECTION SPECIFICATION

AFTER MAKING REPAIRS .......................................... 52

12 MISCELLANEOUS ................................................................. 53

12.1. ABBREVIATIONS

13 BLOCK DIAGRAM ------

13.1. POWER SUPPLY BLOCK DIAGRAM ........................... 59
13.2. SYSTEM CONTROL, SERVO & TIMER BLOCK
DIAGRAM .................................................................... 60

13.3. AUDIO BLOCK DIAGRAM
13.4. VIDEO BLOCK DIAGRAM
13.5. DIGITAL I/F P.C.B. BLOCK DIAGRAM
13.6. HDMI BLOCK DIAGRAM ---------------------------------------------- 65
14 SCHEMATIC DIAGRAM --------------------------------------------------------- 67
14.1. INTERCONNECTION DIAGRAM
14.2. POWER SUPPLY
14.3. DIGITAL I/F -----

14.4. IO / TUNER ----------------------------------------------------------------- 70
14.5. SYSCON / SERVO 7 TIMER MAIN ............................... 71
14.6. VIDEO ----------

14.7. AUDIO NICAM-
14.8. FRONT JACK--

14.9. FL DRIVE -------------------------------------------------------------------- 75
14.10. SD/DV IN ..................................................................... 76
14.11. HDMI .....................

15 PRINTED CIRCUIT BOARD-
15.1. POWER 3 DIGITAL I/F P.C.B. (COMPONENT SIDE) ---79
15.2. POWER 3 DIGITAL I/F P.C.B. (SOLDER SIDE) ........... 80
15.3. MAIN P.C.B. (COMPONENT SIDE) .............................. 31
15.4. MAIN P.C.B. (SOLDER SIDE)
15.5. FRONT JACK P.C.B
15.6. FL DRIVE P.C.B.-
15.7. DV IN P.C.B.
15.3. HDMI P.C.B. ................................................................ 86

15 APPENDIX FOR SCHEMATIC DIAGRAM ............................... 37
13.1. VOLTAGE AND WAVEFORM CHART-

17 EXPLODED VIEWS ...................................

17.1. MECHANISM & CASING PARTS ................................. 99
17.2. FRONT PANEL PARTS .............................................. 100
17.3. VHs MECHANISM PARTS ......................................... 101

17.4. PACKING & ACCESSORIES SECTION
18 REPLACEMENT PARTS LIST ....................

--102