DVD-S795/S705
SECTION 1
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 MODE ............. 1-7
SERVICE PRECAUTIONS ......................................................... 1-9
SERVICE TOOLS AND EQUIPMENT ........................................ 1-9
OPERATING INSTRUCTIONS ................................................. 1-10
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 ................................. 2-3
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
14. Checking the Headphone 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 Clamp 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 ADJUSTMENT
1. Video Output (Luminance Signal) Adjustment ................... 2-17
2. Video Output (Chrominance Signal) Adjustment ............... 2-17
3. Video Component Signal (CB) Output Adjustment ............ 2-18
SECTION 3
ABBREVIATIONS ....................................................................... 3-1
BLOCK DIAGRAM
1. OVERRALL BLOCK DIAGRAM ........................................... 3-3
2. SERVOBLOCK DIAGRAM ................................................... 3-5
3. VIDEO BLOCK DIAGRAM ................................................... 3-7
4. AUDIO BLOCK DIAGRAM ................................................... 3-9
SCHEMATIC DIAGRAM
1. POWER SUPPLY SCHEMATIC DIAGRAM (FOR U, C MODELS) .... 3-11
2. POWER SUPPLY SCHEMATIC DIAGRAM (FOR B, G, A MODELS) 3-13
3. ADSC (MODULE C.B.A. 1/8) SCHEMATIC DIAGRAM ..... 3-15
4. SERVO (MODULE C.B.A. 2/8) SCHEMATIC DIAGRAM ... 3-17
5. AV DECODER (MODULE C.B.A. 3/8) SCHEMATIC DIAGRAM ... 3-19
6. VDAC (MODULE C.B.A. 4/8) SCHEMATIC DIAGRAM ..... 3-21
7. FEP (MODULE C.B.A. 5/8) SCHEMATIC DIAGRAM ........ 3-23
8. CPU (MODULE C.B.A. 6/8) SCHEMATIC DIAGRAM ........ 3-25
9. CLOCK (MODULE C.B.A. 7/8) SCHEMATIC DIAGRAM ... 3-27
10. ODC (MODULE C.B.A. 8/8) SCHEMATIC DIAGRAM ....... 3-29
11. VIDEO (MODULE C.B.A. 1/5) SCHEMATIC DIAGRAM .... 3-31
12. ADAC C (MODULE C.B.A. 2/5) SCHEMATIC DIAGRAM ... 3-33
13. AUDIO AC-3 (MODULE C.B.A. 3/5) SCHEMATIC DIAGRAM ... 3-35
14. AUDIO OUT (MODULE C.B.A. 4/5) SCHEMATIC DIAGRAM .. 3-37
15. OPERATION (MODULE C.B.A. 5/5) SCHEMATIC DIAGRAM ... 3-39
16. VIDEO COMP SCHEMATIC DIAGRAM (FOR U, C MODELS) ... 3-41
17. SCART SCHEMATIC DIAGRAM (FOR B, G MODELS) .... 3-43
18. FRONT SW/HEAD PHONE/POWER SW SCHEMATIC DIAGRAM ... 3-45
CIRCUIT BOARD DIAGRAM
1. POWER SUPPLY C.B.A. (FOR U, C MODELS) ................ 3-47
2. POWER SUPPLY C.B.A. (FOR B, G, A MODELS) ............ 3-49
3. MODULE C.B.A. ................................................................ 3-51
4. MOTHER C.B.A. ................................................................ 3-55
5. FRONT SW/HEAD PHONE/POWER SW C.B.A. .............. 3-57
6. SCART C.B.A. (FOR B, G MODELS). ............................... 3-59
7. VIDEO COMP C.B.A. (FOR U, C MODELS) ..................... 3-61
SECTION 4
EXPLODED VIEWS & REPLACEMENT PARTS LIST
1. ELECTRICAL REPLACEMENT PARTS LIST ...................... 4-1
2. Casing Parts & Mechanism Section ................................... 4-18
3. Loading Mechanism Section .............................................. 4-21
4. Traverse Section ................................................................ 4-23
5. REMOTE CONTROL TRANSMITTER ............................... 4-25
CONTENTS
Summary of Contents for DVD-S795
Page 7: ...DVD S795 S705 1 5 REAR PANELS U C models DVD S795 S705 B G models G model Gold A model...
Page 39: ...3 3 3 4 BLOCK DIAGRAM 1 OVERALL BLOCK DIAGRAM...
Page 40: ...3 5 2 SERVO BLOCK DIAGRAM 3 6...
Page 41: ...3 7 3 VIDEO BLOCK DIAGRAM 3 8...
Page 42: ...3 9 4 AUDIO BLOCK DIAGRAM 3 10...
Page 60: ...9 0 0 0 0 0 8 9 0 0 3 45 18 FRONT SW HEAD PHONE POWER SW SCHEMATIC DIAGRAM 3 46...
