DVD-S796/DV-S5270
SPECIFICATIONS ................................................................ 1-1
LOCALE MANAGEMENT INFORMATION ......................... 1-1
TO SERVICE PERSONNEL ................................................ 1-2
PREVENTION OF ESD TO ES DEVICES ......................... 1-3
PRECAUTION OF LASER DIODE ...................................... 1-4
HANDILNG PRECAUTIONS FOR TRAVERSE DECK ...... 1-4
REAR PANELS ..................................................................... 1-5
OPTICAL PICKUP SELF-DIAGNOSIS AND REPLACEMENT PROCEDURE ... 1-6
SELF-DIAGNOSIS FUNCTION AND SERVICE MODES ............ 1-7
SERVICE PRECAUTIONS ................................................... 1-9
SERVICE TOOLS AND EQUIPMENT ................................ 1-9
OPERATING INSTRUCTIONS .......................................... 1-10
CONTENTS
SECTION 1
SECTION 2
ASSEMBLING AND DISASSEMBLING THE CASING AND CHECKING
C. B. A.s
1.Disassembly Procedure ................................................. 2-1
2.Casing Parts and C.B.A. Positions .............................. 2-2
3.Service Positions ............................................................ 2-2
4.Disassembling the Top Cover ....................................... 2-3
5.Disassembling the Tray ................................................. 2-3
6.Disassembling the Front Panel ..................................... 2-3
7.Disassembling the Loading Base Unit ......................... 2-4
8.Checking the Module C.B.A. ......................................... 2-4
9.Disassembling the Rear Panel ..................................... 2-4
10.Checking the Power Supply C.B.A. .............................. 2-5
11.Checking the Mother C.B.A. ......................................... 2-5
12 Checking the Power Switch C.B.A. .............................. 2-5
13.Checking the Front Switch C.B.A. ................................ 2-5
ASSEMBLING AND DISASSEMBLING THE OPTICAL PICKUP
1.Handling the Optical Pickup .......................................... 2-6
2.Disassembly Procedure ................................................. 2-6
3.Lubricating the Loading Base Unit ............................... 2-7
4.Static Electricity Countermeasures ............................... 2-8
5.Disassembling the Clamp Base Unit ............................ 2-9
6.Disassembling the Clamper Weight, Clamper Yoke,
Magnet and Clamper ..................................................... 2-9
7.Disassembling the Traverse Unit .................................. 2-9
8.Disassembling the Stepping Motor Unit ..................... 2-10
9.Disassembling the Optical Pickup Unit ...................... 2-10
10.Disassembling the Nut Unit ......................................... 2-11
11.Disassembling the Sub-Shaft Preload Spring ........... 2-11
12.Assembling the Optical Pickup ................................... 2-11
13.Disassembling the Spindle Motor Unit ....................... 2-12
14.Optical Pickup Tilt Adjustment .................................... 2-13
15.Disassembling the Intermediate Chassis ................... 2-15
16.Disassembling the Vertical Cam and Drive Gear ..... 2-15
17.Disassembling the Pulley Gear and Deceleration Gear .... 2-15
18.Disassembling the Mechanism Loading C.B.A. ......... 2-15
19.Lubricating the Optical Pickup and Peripheral parts ..... 2-16
ELECTRICAL CONFIRMATION
1.Video Output (Luminance Signal) Confirmation ........ 2-17
2.Video Output (Chrominance Signal) Confirmation .... 2-17
3.Video Component Signal (CB) Output Confirmation . 2-18
SECTION 3
ABBREVIATIONS ................................................................. 3-1
BLOCK DIAGRAM
1.OVERALL BLOCK DIAGRAM ....................................... 3-3
2.SERVO BLOCK DIAGRAM ........................................... 3-4
3.VIDEO BLOCK DIAGRAM (FOR U, A, R MODELS) . 3-5
4.VIDEO BLOCK DIAGRAM (FOR G, B MODEL) ......... 3-6
5.AUDIO BLOCK DIAGRAM ............................................ 3-7
INTERCONNECTION DIAGRAM
1.U, A, R MODELS ........................................................... 3-8
2.G, B MODELS ................................................................ 3-9
SCHEMATIC DIAGRAM
1. POWER SUPPLY SCHEMATIC DIAGRAM (FOR U MODEL) ...... 3-10
2.POWER SUPPLY SCHEMATIC DIAGRAM (FOR G, B, A MODELS) ..... 3-11
3.POWER SUPPLY SCHEMATIC DIAGRAM (FOR R MODEL) ...... 3-12
4.ADSC (MODULE C.B.A. 1/6) SCHEMATIC DIAGRAM ..... 3-13
5. AV DECODER (MODULE C.B.A. 2/6)
SCHEMATIC DIAGRAM (FOR U MODEL) ..................................... 3-14
6. AV DECODER (MODULE C.B.A 2/6)
SCHEMATIC DIAGRAM (FOR G, B, A, R MODELS) .......... 3-15
7.AUDIO (MODULE C.B.A. 3/6) SCHEMATIC DIAGRAM 3-16
8.FEP (MODULE C.B.A. 4/6) SCHEMATIC DIAGRAM .... 3-17
9.CPU (MODULE C.B.A. 5/6) SCHEMATIC DIAGRAM ........ 3-18
10.ODC (MODULE C.B.A. 6/6) SCHEMATIC DIAGRAM ... 3-19
11.VIDEO OUT (MOTHER C.B.A. 1/4)
SCHEMATIC DIAGRAM (FOR U, A, R MODELS) ... 3-20
12.VIDEO OUT (MOTHER C.B.A 1/4)
SCHEMATIC DIAGRAM (FOR G, B MODELS) ........ 3-21
13. AUDIO OUT1 (MOTHER C.B.A. 2/4) SCHEMATIC DIAGRAM 3-22
14.AUDIO OUT2 (MOTHER C.B.A. 3/4) SCHEMATIC DIAGRAM . 3-23
15.OPERATION (MOTHER C.B.A. 4/4) SCHEMATIC DIAGRAM ...... 3-24
16.FRONT SW AND POWER SW SCHEMATIC DIAGRAM .. 3-25
17.SCART SCHEMATIC DIAGRAM (FOR G, B MODELS) ... 3-26
CIRCUIT BOARD DIAGRAM
1.POWER SUPPLY C.B.A. (FOR U MODEL) .............. 3-27
2. POWER SUPPLY C.B.A. (FOR G, B, A MODELS) .......... 3-28
3.POWER SUPPLY C.B.A. (FOR R MODEL) .............. 3-29
4.MODULE C.B.A. ........................................................... 3-30
5.MOTHER C.B.A. ........................................................... 3-32
6.FRONT SW AND POWER SW C.B.A. ...................... 3-33
7.SCART C.B.A. (FOR G, B MODELS) ........................ 3-34
EXPLODED VIEWS & REPLACEMENT PARTS LIST
1.Electrical Replacement Parts List ............................... 4-11
2.Casing Parts & Mechanism Section ........................... 4-13
3.Loading Mechanism Section ....................................... 4-15
4.Traverse Section .......................................................... 4-17
5.Remote Control Transmitter ........................................ 4-18
SECTION 4
Содержание DV-S5270
Страница 33: ...3 3 B G A R ONLY BLOCK DIAGRAM 1 OVERALL BLOCK DIAGRAM ...
Страница 34: ...3 4 2 SERVO BLOCK DIAGRAM ...
Страница 35: ...3 5 PB PR 3 VIDEO BLOCK DIAGRAM FOR U A R MODELS U A R MODELS ...
Страница 36: ...3 6 4 VIDEO BLOCK DIAGRAM FOR G B MODELS G B MODELS ...
Страница 37: ...3 7 5 AUDIO BLOCK DIAGRAM ...
Страница 38: ...3 8 INTER CONNECTION DIAGRAM 1 U A R MODELS U A R MODELS ...
Страница 39: ...2 G B MODELS 3 9 G B MODELS ...
Страница 55: ...3 25 16 FRONT SWITCH AND POWER SWITCH SCHEMATIC DIAGRAM ...
Страница 56: ...3 26 17 SCART SCHEMATIC DIAGRAM FOR G B MODELS G B MODELS ...
