DVD-LS70EB, DVD-LS70EE, DVD-LS70EG, DVD-LS92EB, DVD-LS92EE, DVD-LS92EG - Panasonic DVD Service Manual (repair manual). Page 2

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1 IMPORTANT SERVICE INFORMATION ---------------------3

1.1. Notes ----------------------------------------------------------3
1.2. About DivX---------------------------------------------------3
1.3. Manual for Customer--------------------------------------4

2 SAFETY PRECAUTIONS ----------------------------------------5

2.1. GENERAL GUIDELINES --------------------------------5
2.2. Caution for AC Mains Lead (Only for LS70EB/

LS92EB)------------------------------------------------------6

(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)
DEVICES -------------------------------------------------------------7

4 PRECAUTION OF LASER DIODE ----------------------------8
5 SPECIFICATIONS -------------------------------------------------9
6 HOW TO REPLACE THE LITHIUM BATTERY ---------- 11
7 SERVICE CAUTION BASED ON LEGAL

RESTRICTIONS -------------------------------------------------- 12

7.1. General description about Lead Free Solder

(PbF) -------------------------------------------------------- 12

DECK ---------------------------------------------------------------- 13

8.1. Handling of optical pickup------------------------------ 13
8.2. Grounding for electrostatic breakdown

prevention-------------------------------------------------- 13

POSITION ---------------------------------------------------------- 14

9.1. Disassembly ----------------------------------------------- 15
9.2. P.C.B. location -------------------------------------------- 16
9.3. Main cabinet of the unit--------------------------------- 16
9.4. Traverse assembly--------------------------------------- 17
9.5. Optical pick-up unit -------------------------------------- 18
9.6. Disc motor-------------------------------------------------- 18
9.7. Main P.C.B. ------------------------------------------------ 19
9.8. Operation P.C.B.------------------------------------------ 19
9.9. Monitor assembly ---------------------------------------- 19

9.10. Disc cover-------------------------------------------------- 20

9.11. Monitor cover---------------------------------------------- 20

9.12. Inverter P.C.B.--------------------------------------------- 21
9.13. LCD panel-------------------------------------------------- 21
9.14. Replacing the fuse in the car dc adaptor----------- 21
9.15. Service position------------------------------------------- 22

MODE --------------------------------------------------------------- 23

10.1. Optical Pickup Breakdown Diagnosis--------------- 23
10.2. DVD Self Diagnostic Function-Error Code--------- 24
10.3. Last Error Code saved during NO PLAY ----------- 24
10.4. Special Operation Menu-------------------------------- 25
10.5. Lens cleaning --------------------------------------------- 26

11 SERVICE PRECAUTIONS------------------------------------- 27

11.1. Firmware version-up of the DVD player ------------ 27

12 ADJUSTMENT PROCEDURES ------------------------------ 28

12.1. Service Tools and Equipment ------------------------- 28

12.2. Important points in adjustment ----------------------- 28
12.3. Storing and Handling Test Discs --------------------- 28
12.4. Optical adjustment--------------------------------------- 28

13 ABBREVIATIONS ----------------------------------------------- 31
14 VOLTAGE CHART ---------------------------------------------- 33

14.1. MAIN P.C.B.----------------------------------------------- 33

15 BLOCK DIAGRAM ---------------------------------------------- 35

15.1. OVERALL BLOCK DIAGRAM------------------------ 35
15.2. POWER SUPPLY BLOCK DIAGRAM-------------- 36
15.3. SERVO BLOCK DIAGRAM --------------------------- 37
15.4. AUDIO BLOCK DIAGRAM ---------------------------- 38
15.5. VIDEO BLOCK DIAGRAM ---------------------------- 39

NOTES-------------------------------------------------------------- 40

16.1. SCHEMATIC DIAGRAM NOTES -------------------- 40
16.2. INTERCONNECTION SCHEMATIC

DIAGRAM ------------------------------------------------- 41

16.3. CHARGE BATTERY SECTION (MAIN P.C.B.

(1/9)) SCHEMATIC DIAGRAM ----------------------- 42

16.4. POWER SUPPLY SECTION (MAIN P.C.B. (2/

9)) SCHEMATIC DIAGRAM--------------------------- 43

16.5. OPTICAL PICK UP/SERVO SECTION (MAIN

P.C.B. (3/9)) SCHEMATIC DIAGRAM -------------- 44

16.6. DV5 SECTION (MAIN P.C.B. (4/9))

SCHEMATIC DIAGRAM ------------------------------- 45

16.7. DV5 SECTION (MAIN P.C.B. (5/9))

SCHEMATIC DIAGRAM ------------------------------- 46

16.8. VIDEO OUT SECTION (MAIN P.C.B. (6/9))

SCHEMATIC DIAGRAM ------------------------------- 47

16.9. AUDIO OUT SECTION (MAIN P.C.B. (7/9))

SCHEMATIC DIAGRAM ------------------------------- 48

16.10. OPERATION SECTION (MAIN P.C.B. (8/9))

SCHEMATIC DIAGRAM ------------------------------- 49

16.11. LCD IF SECTION (MAIN P.C.B. (9/9))

SCHEMATIC DIAGRAM ------------------------------- 50

16.12. OPERATION SECTION (OPERATION P.C.B.)

SCHEMATIC DIAGRAM ------------------------------- 51

16.13. I/F SECTION (INVERTER P.C.B.)

SCHEMATIC DIAGRAM ------------------------------- 52

17 CIRCUIT BOARD ASSEMBLY------------------------------- 53

17.1. MAIN P.C.B. (1/2) (COMPONENT SIDE)---------- 53
17.2. MAIN P.C.B. (2/2) (FOIL SIDE) ---------------------- 54
17.3. OPERATION P.C.B.------------------------------------- 55
17.4. INVERTER P.C.B. --------------------------------------- 56

LIST ----------------------------------------------------------------- 57

18.1. Exploded Views and Mechanical

Replacement Parts List -------------------------------- 57

18.2. Electrical Replacement Parts List ------------------- 62

19 SCHEMATIC DIAGRAM FOR PRINTING WITH A4---- 68