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MICROFILM
SERVICE MANUAL
Russian Model
CD/DVD PLAYER
DVP-S315
RMT-D105P
SPECIFICATIONS


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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.
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.
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.


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TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
Service Note ............................................................................ 4
1.
GENERAL
This Player Can Play the Following Discs ....................
Getting Started ..............................................................
Basic Operations ...........................................................
Playing Discs in Various Modes ....................................
Setting and Adjustments ...............................................
Additional Information ...................................................
2.
DISASSEMBLY
2-1.
Case Removal ............................................................... 2-1
2-2.
Front Panel Section Removal ....................................... 2-1
2-3.
MB-78 Board Removal .................................................. 2-1
2-4.
AU-197 Board Removal ................................................ 2-1
2-5.
MD Block Ass'y Removal .............................................. 2-2
2-6.
TK-47 Board Removal ................................................... 2-2
2-7.
Tray Removal ................................................................ 2-2
2-8.
Skew Motor (M903) Removal ....................................... 2-2
2-9.
Sled Motor (M501) Removal ......................................... 2-3
2-10. Spindle Motor (M901) Removal .................................... 2-3
2-11. Optical Pick-up Removal ............................................... 2-3
2-12. Internal Views ................................................................ 2-4
2-13. 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 ........................................... 4-1
4-2.
Printed Wiring Boards and Schematic Diagrams ......... 4-5
TK-47 Printed Wiring Board .......................................... 4-5
TK-47 Schematic Diagram ............................................ 4-7
MB-78, FG-43 Printed Wiring Boards ........................... 4-12
MB-78 (AV Decoder) Schematic Diagram .................... 4-17
MB-78 (Video Encoder) Schematic Diagram ................ 4-21
MB-78 (Drive), FG-43 (Sled)
Schematic Diagrams ..................................................... 4-25
MB-78 (DSP) Schematic Diagram ................................ 4-28
MB-78 (Bias) Schematic Diagram ................................ 4-31
MB-78 (IF µ-COM) Schematic Diagram ....................... 4-34
MB-78 (ARP, L GATE Array, Decrypt)
Schematic Diagram ....................................................... 4-37
MB-78 (System µ-COM, S GATE Array)
Schematic Diagram ....................................................... 4-41
HP-96 Schematic Diagram and
Printed Wiring Board ..................................................... 4-45
FL-88, FR-133 Schematic Diagrams ............................ 4-48
FL-88, FR-133 Printed Wiring Boards .......................... 4-51
AU-197 Printed Wiring Board ....................................... 4-55
AU-197 Schematic Diagram ......................................... 4-59
ER-2 Schematic Diagram ............................................. 4-63
ER-2 Printed Wiring Board ............................................ 4-67
Power Block (HS-930SH) Printed Wiring Board and
Schematic Diagram ....................................................... 4-72
5.
IC PIN FUNCTION DESCRIPTION
5-1.
Interface Control Pin Function (MB-78 Board IC604) .. 5-1
5-2
System Control Pin Function (MB-78 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 .................................................. 6-9
6-6.
Drive Manual Operation ................................................ 6-13
6-6-1. Drive Manual Operation menu screen ..................... 6-13
6-6-2. Disc Type .................................................................. 6-13
6-6-3. Manual Control 1 ...................................................... 6-13
6-6-4. Manual Control 2 ...................................................... 6-14
6-6-5. Manual Control 3 ...................................................... 6-14
6-6-6. Manual Adjust 1 ....................................................... 6-14
6-6-7. Manual Adjust 2 ....................................................... 6-15
6-6-8. Auto Adjust ............................................................... 6-15
6-6-9. Check ....................................................................... 6-15
6-6-10. EEPROM data screen display ................................. 6-16
6-7.
Other Operation ............................................................. 6-16
6-8.
Emergency History ........................................................ 6-17
6-9.
Error Code ..................................................................... 6-19
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 S Video Output S-C ....................................... 7-3
7.
Checking S Video Output DC Level .............................. 7-3
7-4.
Adjustment Related Parts Arrangement ....................... 7-4
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) .................. 8-4
8-1-5. DVD Mechanism Chassis Assembly (2) .................. 8-5
8-2.
Electrical Parts List ........................................................ 8-6


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SERVICE NOTE
1.
DISASSEMBLY
· This set can be disassembled in the order shown below.
Tray
(Page 2-2)
TK-47
Board
(Page 2-2)
Case
(Page 2-1)
MB-78
Board
(Page 2-1)
Front Panel
Section
(Page 2-1)
AU-197
Board
(Page 2-1)
MD Block
Ass'y
(Page 2-2)
Optical
Pick-up
(Page 2-3)
Skew
Motor
(Page 2-2)
Spindle
Base
(Page 2-3)
Sled
Motor
(Page 2-3)
Spindle
Motor
(Page 2-3)
Set


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2.
NOTE ON REMOVE THE CASE
1) Remove six tapping screws. (See Fig. 1)
2) Open the side of case. (See Fig. 1)
3) Remove the case as lift straight. (See Fig. 1)
Fig. 1
3.
DISK REMOVAL PROCEDURE
(at POWER OFF)
1) Insert a cross-tip screwdriver into a hole at the bottom, and
rotate the cam gear 1 in direction A. (See Fig. 2)
Note: To prevent a damege of cam gear, rotate it in direction
A by 1/4 turn.
2) Draw out the tray 2 in direction B by hand, and remove a
disk. (See Fig. 2)
Fig. 2
4.
HOW TO SERVICE MB-78 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-78 board as shown in Fig. 3.
Note: Do not disconnect wiring.
Fig. 3
Two tapping screws
Two tapping screws
Case
Two tapping screws
1 Cam gear
2 Tray
B
A
Hole
MB-78 board