Panasonic dvd s 1 service manual

Page 2

DVD-51E I DVD-S1EB i DVD-S1EG

l DVD (linear audio): 4 Hz-22 kHz (48 kHz sampling)

4 Hz-44 kHz (96 kHz sampling)

1 CD audio: 4 Hz-20 kHz
(2) S / N ratio:
ICD audio: 115 dB
(3) Dynamic range:
1 DVD (linear audio): 92 dB
ICD audio: 90 dB
(4) Total harmonic distortion:
I CD audio: 0.003 %
Digital audio output:
Coaxial digital output: Pin jack
Pickup
Wave length: 653 nm I790 nm

Laser power: CLASS 1 / CLASS 3A

Note:
Specifications are subject to change without notice.
Mass and dimensions are approximate.

Solder:

This model uses lead free solder (PbF).

Manuiaotured under license from Baby Laboratories. "Dolby" and the doublerD
symbol are trademarks of Dolby Laboratories.

"DTS and DTS 2 0 1 Digital Out' are trademarks of Digital Theater Systems, Inc.

This producl incorporates copyright protection technology that is protected by method
Claims 01 Cerlain US. patents and other intellectual property rights owned by
Macrovision Corporation and other rights owners. Use 01 this cop tproleclion
technology must be authorized by Macravision Corporation, and is intended tor home
and othe mited viewing uses only unless otherwise authorized by Macrovision
Corporation. Reverse engineering or disassernbty is prohibited.

MPEG Layei-3 alelo decoding lentiiioiogy licensed 1mm Frauriholei IiS arid Thomson nllillmedla.

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

1 SAFETY PRECAUTIONS -------
1.1. GENERAL GUIDELINES---
2 PREVENTION OF ELECTRO STATIC DISCHARGE (ESD) TO

ELECTROSTATICALLY SENSITIVE (Es) Devices ................. 4
3 PRECAUTION OF LASER DIODE ............................................ 5
4 SERVICE CAUTION BASED ON LEGAL RESTRICTIONS ------- 5

4.1. General description about Lead Free Solder (PbF) ---------- 5
5 PREVENTION OF STATIC ELECTRICITY DISCHARGE ............ 7
5.1. Grounding for electrostatic breakdown prevention ............ 7

5.2. Handling Precautions for Traverse Unit (Optical Pickup) --7
6 DISASSEMBLING THE CASING AND CHECKING P.C.B.S
6.1. Disassembly Procedure -----------------------------

6.2. Casing Parts and P.C.B. Positions ---------------------------------- 8
6.3. Top Panel ....................................................... g
6.4. Front Panel -------------------------------------------------------------------- 9
6.5. Front angle and Operation P.C.B. and Power SW P.C.B:9
6.6. Module P.C.B. ............................................................. g
6.7. Mechanism Unit ------------------------------------------------------------- g
6.8. Rear panel ------------------------------------------------------------------- 10

6.9. Mother P.C.B.-
6.10. Service Position-
7 ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT

---------------------------------------------------------------------------------------------- 12
7.1. Disassembly Procedure ------------------------------------------------ 12
7.2. Traverse Unit --------------------------------------------------------------- 12
7.3. Tray
7.4. Loading section ------------------------------------------------------------ 14
7.5. Loading motor P.C.B. --------------------------------------------------- 15
7.6. TRV Unit --------------------------------------------------------

8 SELF-DIAGNOSIS FUNCTION AND SERVICE MODES

8.1. Optical Pickup Breakdown Diagnosis
8.2. Service Mode Table 1 -
8.3. DVD Self Diagnostic Function-Error Code

8.4. Last Error Code saved during No PLAY ----------------------- 21
8.5. Service mode table 2 ................................................... 22
8.6. Sales demonstration lock function ................................. 25
8.7. Handling After Completing Repairs ............................... 25
9 SERVICE PRECAUTIONS ................................................... 26
9.1. Recovery after the DVD player is repaired, .................... 25
9.2. Firmware version-up of the DVD player ......................... 25

1D ADJUSTMENT PROCEDURES ------
10.1. Service Tools and Equipmen

10.2. important points in electrical adjustment ........................ 27
10.3. Storing and Handling Test Discs ----------------------------------- 27
11 ABBREVIATIONS .................................................................. 23
12 VOLTAGE CHART ................................................................. 30
12.1. MOTHER P.C.B. .......................................................... 30
12.2. MODULE P.C.B. .......................................................... 31
13 BLOCK DIAGRAM ................................................................. 33

13.1. OVERALL BLOCK DIAGRAM ----------
13.2. POWER SUPPLY BLOCK DIAGRAM
13.3. SERVO BLOCK DIAGRAM -----------

13.4. VIDEO BLOCK DIAGRAM -------------------------------------------- 35
13.5. AUDIO BLOCK DIAGRAM ............................................ 3a

14 INTERCONNECTION SCHEMATIC DIAGRAM & SCHEMATIC
DIAGRAM NOTES .................................................................. 39
14.1. INTERCONNECTION SCHEMATIC DIAGRAM ------------- 39
14.2. SCHEMATIC DIAGRAM NOTES .................................. 40
15 SCHEMATIC DIAGRAM ......................................................... 41