Panasonic pv d 4733 s service manual

Page 2

PV-DQ7NS I FV-DI'MB I PV-D47AGS I PV-D41N-K

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 proiessional 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 --------------------------------------------------------- 3
1.1. LASER PRODUCT ......................................................... 4
1.2. PRECAUTION OF LASER DIODE .................................. 4

2 PREVENTION OF ELECTRO-STATIC DISCHARGE (ESD) T0
ELECTROSTATICALLV SENSITIVE (ES) DEVICES "
3 ABOUT LEAD FREE SOLDER (PbF) -----------------

4 SERVICE NOTES (PLEASE READ) .......................................... 7
4.1. SERVICE NOTES ---------------------------------------------------------- 7
5 DISASSEMBLYIASSEMBLY PROCEDURES .......................... 17

5.1. CABINET SECTION
5.2. MECHANISM SECTION

5.3. CASSETTE UP ASSEMBLY SECTION ......................... 31
6 ADJUSTMENT PROCEDURES ............................................... 33
6.1. SERVICE FIXTURES AND Toms .............................. 33

6.2. MECHANICAL ADJUSTMENT
6.3. ELECTRICAL ADJUSTMENT~

6.4. TEST POINTS AND CONTROL LOCATION ----------------- 4o
7 SCHEMATIC DIAGRAMS ------------------------------------------------------- 41
7.1. SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT

NOTES ------------------------------------ -41

7.2. MAIN SCHEMATIC DIAGRAMS

Page

7.3. OPERATION I/OPERATION II SCHEMATIC DIAGRAMS
50
7.4. DVD MAIN SCHEMATIC DIAGRAMS ........................... 51

7.5. DVD SUB SCHEMATIC DIAGRAM -------------
7.6. INTERCONNECTION SCHEMATIC DIAGRAM-
7.7. VOLTAGE CHART -------------------------------------
8 CIRCUIT BOARD LAYOUT ---------------------------------------------------- 67
8.1. MAIN C.B.A. -------------------------------------------------------- 67
8.2. OPERATION I/OPERATION || C
8.3. DVD MAIN C.B.A.
8.4. DVD SUB C.B.A.'

9 BLOCK DIAGRAMS-m
10 EXPLODED VIEWS -------------------------------------------------------------- 81
10.1. MECHANISM (TOP) SECTION -------------------------------------
10.2. MECHANISM (BOTTOM) SECTION ----------
10.3. CASSETTE UP COMPARTMENT SECTION-
10.4. CHASSIS FRAME AND CASING PARTS SECTION -----84
10.5. PACKING PARTS AND ACCESSORIES SECTION ------- 85
11 REPLACEMENT PARTS LISTS --------------------------------------------- 86
11.1. REPLACEMENT NOTES ------------------------
11.2. MECHANICAL REPLACEMENT PARTS LIST
11.3. ELECTRICAL REPLACEMENT PARTS LIST

25$?

/-.