Sony DVP-S7700 User manual

MICROFILM
SERVICE MANUAL
AEP Model
Hong Kong Model
UK Model
CD/DVD PLAYER
DVP-S7700
RMT-D107E/D107P
SPECIFICATIONS

– 2 –
SAFETY CHECK-OUT
WARNING!!
WHEN SERVICING, DO NOT APPROACH THE LASER
EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS
NECESSARY TO CONFIRM LASER BEAM EMISSION,
BE SURE TO OBSERVE FROM A DISTANCE OF
MORE THAN 25 cm FROM THE SURFACE OF THE
OBJECTIVE LENS ON THE OPTICAL PICK-UP BLOCK.
CAUTION:
The use of optical instrument with this product will increase eye
hazard.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK !OR DOTTED
LINE WITH MARK !ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
1. Check the area of your repair for unsoldered or poorly-sol-
dered connections. Check the entire board surface for solder
splashes and bridges.
2. Check the interboard wiring to ensure that no wires are
“pinched” or contact high-wattage resistors.
3. Look for unauthorized replacement parts, particularly transis-
tors, that were installed during a previous repair. Point them
out to the customer and recommend their replacement.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer:
4. Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and recom-
mend their replacement.
5. Check the B+ voltage to see it is at the values specified.
CLASS 3B LASER
LUOKAN 3B LASER
LASERKLASS 3B

– 3 –
TABLE OF CONTENTS
Section Title Page Section Title Page
Service Note ............................................................................ 4
1. GENERAL
This Player Can Play the Following Discs .................... 1-1
Getting Started .............................................................. 1-1
Basic Operations ........................................................... 1-2
Playing Discs in Various Modes.................................... 1-4
Setting and Adjustments ............................................... 1-9
Additional Information ................................................... 1-10
2. DISASSEMBLY
2-1. Upper Case Removal.................................................... 2-1
2-2. Front Panel Removal .................................................... 2-1
2-3. Door Open/Close Motor Removal................................. 2-1
2-4. MB-84 Board Removal.................................................. 2-1
2-5. AU-218 Board Removal ................................................ 2-2
2-6. MD Block Ass’y Removal .............................................. 2-2
2-7. TK-47 Board Removal................................................... 2-2
2-8. Tray Removal ................................................................ 2-2
2-9. Skew Motor (M903) Removal ....................................... 2-3
2-10. Sled Motor (M501) Removal ......................................... 2-3
2-11. Spindle Motor (M901) Removal .................................... 2-3
2-12. Optical Pick-up Removal............................................... 2-3
2-13. Internal Views ................................................................ 2-4
2-14. Circuit Boards Location ................................................. 2-5
3. BLOCK DIAGRAMS
3-1. Overall Block Diagram .................................................. 3-1
3-2. RF/Servo Block Diagram .............................................. 3-3
3-3. Signal Process Block Diagram ..................................... 3-5
3-4. Video Block Diagram..................................................... 3-7
3-5. System Control Block Diagram ..................................... 3-9
3-6. Audio Block Diagram..................................................... 3-11
3-7. Mode Control Block Diagram ........................................ 3-13
3-8. Power Block Diagram.................................................... 3-15
4. PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS
4-1. Frame Schematic Diagram ........................................... 4-3
4-2. Printed Wiring Boards and Schematic Diagrams ......... 4-7
TK-47 Printed Wiring Board .......................................... 4-7
TK-47 (RF, Servo 1) Schematic Diagram ..................... 4-11
TK-47 (RF, Servo 2) Schematic Diagram ..................... 4-13
MB-84, FG-43 Printed Wiring Boards........................... 4-15
MB-84 (AV Decoder) Schematic Diagram .................... 4-19
MB-84 (Clock Generator) Schematic Diagram............. 4-21
MB-84 (DNR) Schematic Diagram................................ 4-23
MB-84 (Video Encoder) Schematic Diagram................ 4-25
MB-84 (Drive 1) Schematic Diagram ............................ 4-27
MB-84 (Drive 2), FG-43 Schematic Diagrams.............. 4-29
MB-84 (DSP 1) Schematic Diagram ............................. 4-31
MB-84 (DSP 2) Schematic Diagram ............................. 4-33
MB-84 (Bias) Schematic Diagram ................................ 4-35
MB-84 (IF µ-com) Schematic Diagram ......................... 4-37
MB-84 (L Gate Array) Schematic Diagram ................... 4-39
MB-84 (ARP, Decrypt) Schematic Diagram.................. 4-41
MB-84 (System µ-com) Schematic Diagram ................ 4-43
MB-84 (S Gate Array) Schematic Diagram .................. 4-45
AU-218 Printed Wiring Board ....................................... 4-47
AU-218 (Audio 1) Schematic Diagram ......................... 4-51
AU-218 (Audio 2) Schematic Diagram ......................... 4-53
AU-218 (Video Buffer) Schematic Diagram.................. 4-55
YS-19 Printed Wiring Board and
Schematic Diagram ....................................................... 4-57
ER-8 Printed Wiring Board............................................ 4-59
ER-8 (EURO AV 1) Schematic Diagram ....................... 4-63
ER-8 (EURO AV 2) Schematic Diagram ....................... 4-65
ER-8 (EURO AV 3) Schematic Diagram ....................... 4-67
HP-120 Printed Wiring Board and
Schematic Diagram ....................................................... 4-69
FP-75 Printed Wiring Board .......................................... 4-71
FP-75 Schematic Diagram............................................ 4-73
CN-113, DR-88, FL-108, FR-160, PW-120
Printed Wiring Boards ................................................... 4-75
CN-113, DR-88, FL-108, FR-160, PW-120
Schematic Diagrams ..................................................... 4-77
PS-421 Printed Wiring Board........................................ 4-79
PS-421 Schematic Diagram.......................................... 4-81
POWER BLOCK (HS-930SH) Printed Wiring Board.... 4-83
POWER BLOCK (HS-930SH) Schematic Diagram...... 4-85
5. IC PIN FUNCTION DESCRIPTION
5-1. Interface Control Pin Function (MB-84 Board IC604) .. 5-1
5-2 System Control Pin Function (MB-84 Board IC805) .... 5-2
6. TEST MODE
6-1. Starting up Test Mode ................................................... 6-1
6-2. Selection of Check Item ................................................ 6-1
6-2-1. Selected Item Check ................................................ 6-1
6-2-2. All Items Check ........................................................ 6-1
6-3. Error Display.................................................................. 6-2
6-4. General Description of Checking Method..................... 6-2
6-5. Drive Auto Adjustment .................................................. 6-8
6-6. Drive Manual Operation ................................................ 6-12
6-6-1. Drive Manual Operation Menu Screen .................... 6-12
6-6-2. Disc Type .................................................................. 6-12
6-6-3. Manual Control 1...................................................... 6-12
6-6-4. Manual Control 2...................................................... 6-13
6-6-5. Manual Control 3...................................................... 6-13
6-6-6. Manual Adjust 1 ....................................................... 6-13
6-6-7. Manual Adjust 2 ....................................................... 6-14
6-6-8. Auto Adjust ............................................................... 6-14
6-6-9. Check ....................................................................... 6-14
6-6-10. EEPROM Data Screen Display................................ 6-15
6-7. Other Operation............................................................. 6-15
6-8. Emergency History........................................................ 6-16
6-9. Error Code ..................................................................... 6-18
7. ELECTRICAL ADJUSTMENT
7-1. Power Supply Check ..................................................... 7-1
1. HS-930SH Board........................................................... 7-1
7-2. Adjustment of System Control ...................................... 7-2
1. System Clock 27 MHz Adjustment................................ 7-2
7-3. Adjustment of Video System......................................... 7-2
1. Video Level Adjustment ................................................ 7-2
2. S-terminal Output Check............................................... 7-2
3. Checking Component Video Output B-Y ...................... 7-2
4. Checking Component Video Output R-Y ...................... 7-3
5. Checking Component Video Output Y.......................... 7-3
6. Checking RGB Output R ............................................... 7-3
7. Checking RGB Output G............................................... 7-3
8. Checking RGB Output B ............................................... 7-4
9. Checking S Video Output S-C ...................................... 7-4
10. Checking S Video Output DC Level.............................. 7-4
7-4. Adjustment Related Parts Arrangement ....................... 7-6
8. REPAIR PARTS LIST
8-1. Exploded Views ............................................................. 8-1
8-1-1. Case Assembly ........................................................ 8-1
8-1-2. Front Panel Assembly .............................................. 8-2
8-1-3. Chassis Assembly .................................................... 8-3
8-1-4. DVD Mechanism Chassis Assembly (1) .................. 8-5
8-1-5. DVD Mechanism Chassis Assembly (2) .................. 8-6
8-2. Electrical Parts List........................................................ 8-7

– 4 –
SERVICE NOTE
1. DISASSEMBLY
• This set can be disassembled in the order shown below.
Tray
(Page 2-2)
TK-47
Board
(Page 2-2)
Upper Case
(Page 2-1)
MB-84
Board
(Page 2-1)
Front Panel
Section
(Page 2-1)
Door Open/
Close Motor
(Page 2-1)
AU-218
Board
(Page 2-2)
MD Block
Ass’y
(Page 2-2)
Optical
Pick-up
(Page 2-3)
Skew
Motor
(Page 2-3)
Spindle
Base
(Page 2-3)
Sled
Motor
(Page 2-3)
Spindle
Motor
(Page 2-3)
Set

– 5 –
2. DISK REMOVAL PROCEDURE
(at POWER OFF)
2-1. How to Open the Door
1) With the top case removed, rotate the gear (D) 1in direction
Ato open the door. (See Fig. 1)
Fig. 1
2-2. How to Draw outTray
1) Insert a cross-tip screwdriver into a hole at the bottom, and
rotate the cam gear 2in direction B. (See Fig. 2)
Note: To prevent a damage of cam gear, rotate it in direction
Bby 1/4 turn.
2) Draw out the tray 3in direction Cby hand, and remove a
disk. (See Fig. 2)
Fig. 2
1Gear (D)
A
B
C
2Cam gear
3Tray
Hole
3. HOW TO SERVICE MB-84 (SIDE B) BOARD
1) Remove the case from the set. (Refer to 2-1)
2) Remove the cover (upper). (Refer to 2-3)
3) Set the MB-84 board as shown in Fig. 3.
Note 1: Do not disconnect wiring.
Note 2: Spread a insulating material under the MB-84 board
and through down lest you should short.
4) Mount the extention cable (J-6090-079-A).
(MB-84 (CN601) ↔FL-107 (CN153))
Fig. 3
MB-84 board
Extention Cable
(J-6090-079-A)

– 6 –
4. NOTE ON MOUNTEING SLED MOTOR
1) Push the sled motor ass’y 1toward direction A. (See Fig. 4)
2) Tighten two screws 2(M1.7 ×2.5).
Fig. 4
3) Raising the MD block ass’y 390 º with the side down.
confirm that the optical pick-up 4falls by self weight.
(See Fig. 5)
4) Further, with the front side of MD block ass’y 3up, confirm
that the optical pick-up falls by self weight.
Fig. 5
1Sled motor ass’y
2Two screws (M1.7 ×2.5)
A
3MD block ass’y
4Optical pick-up
Upper
Lower Front side
Upper
Lower
Front side

– 7 –
5. REPLACING OPTICAL PICK-UP
5-1. Handling
1) A red laser diode for DVD requires more attention to static
electricity than general infrared laser diodes for CD.
Because its durability to static electricity is far weaker than
that of infrared laser diodes, always use an earth band when
handling the optical pick-up block as service parts.
2) As for the flexible board KHS-180A (RP) packed as service
parts, the short lands have been soldered to protect from static
electricity. Accordingly, remove solders when replacing opti-
cal pick-up. (See Fig. 6)
Fig. 6 Flexible board
3) In handling the KHS-180A (RP), do not touch inhibited parts
shown in Fig. 7, but grip the slide base bearing and U-shaped
guide.
Fig. 7 KHS-180A (RP)
DVD short land
CD short land
Slide base bearing
Skew sensor
Lens actuator
covers
Objective lenses
U-shaped guide
OEIC
Laser holder
Flexible board
Connector
Laser coupler
Touch inhibited parts
• Objective lens
• Skew sensor
• Laser holder
• Laser coupler
• Flexible board
• OEIC
• Lens actuator covers

– 8 –
6. NOTE ON ASSEMBLING MECHANICAL DECK
6-1. Application of Grease
1) Grease must be applied if the following parts were replaced.
(See Fig. 8)
Note 1: Recommended grease is Foil KG-70MP.
Note 2: In applying grease, take care not to allow grease to
stick to other parts (particularly, rubber belt, spindle
motor, and optical pick-up)
Base unit holder
2 bosses Slide base Skew cam
Cam gear
Tray 3 grooves
Note:Add grease if tray
moves slowly.
Loading pulley shaft
Note:Add grease if tray
generates noise
periodically.
Fig. 8

– 9 –
6-4. Deformation of Insulator
1) Assemble the spindle base into the base unit.
2) Lock with 4 shoulder screws. (See Fig. 11)
3) Check if 4 insulators deformed. (See Fig. 11)
Fig. 11
6-5. Note on Mounting FG-43 Board
1) Align two bosses. (See Fig. 12)
2) Fix the board securely with screws (PTPWH2 ×5). (The sen-
sor will not function normally if the board floats up.)
Fig. 12
6-2. Cleaning Spindle MotorTurntable
1) Remove the tray. (Refer to 2-7)
2) Clean the spindle motor turntable if disc antiskid rubber (black)
is dirty. (See Fig. 9)
Fig. 9
6-3. Aligning Phase of Cam Gear and
Drive Gear
1) Align triangle marks when assembling the cam gear and drive
gear. (See Fig. 10)
Fig. 10
Spindle motor
Turntable
Drive gear Cam gear
Align triangle marks.
Four step screws
Two insulators
Two insulators
Insulator
Good NG
Screw
(PTPWH2 ×5)
FG-43 board
Two bosses

– 10 –
6-6. Note on MountingTK-47 Board
1) Align two bosses. (See Fig. 13)
2) Align four tabs. (See Fig. 13)
3) Fix the board securely with 3 screws (BV3 ×10). (The sensor
will not function normally if the board floats up.)
Fig. 13
6-7. Note on connecting OPT Harness
1) The optical pick-up could be destroyed unless the OPT har-
ness is connected normally to the connector. (See Fig. 14)
Fig. 14
TK-47 board
Three screws
(BV3 ×10)
Two claws Boss
Two claws
Boss
OPT harness
Connector
Good NG

1-1
SECTION 1
GENERAL
DVP-S7700
This section is extracted from AEP, UK model
instruction manual (3-864-941-31).

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