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SERVICEMANUAL
US Model
SPECIFICATIONS
Printing system
Sublimation heat transfer printing
(Yellow/Magenta/Cyan
overlay)
Effective pixels
448 (V) x 640 (H) dot
Printing size
3
(V) x 4
(H) inches
(85 x 113 mm)
Gradations
256 levels (8 bits),
Approx.
colors
Printing time (excluding data transmission time)
Approx. 70 seconds per sheet
Input/output connectors
Centronics Parallel Interface
Mini DIN
Serial Interface
Infrared port
Video Print Cartridge and Video Print Paper
Video Print Cartridge for regular
and sticker print paper for use only
with PRINTERS bearing the VP
trademark.
Video Print Paper for use only with
PRINTERS bearing the VP
trademark (4 x 5
inches (100 x
mm)/sheet)
Power
requirements
120 V AC, 60 Hz,
Operating temperature
40°F to 95
(5°C to 35 "C)
Operating humidity
20
to 80
Dimensions
Approx. 10
x 2
x 9
inches
(w/h/d, excluding protruding
parts) (274 x 65.5 x 242 mm)
Mass
Approx. 5 lb 8 oz (2.5 kg)
Supplied accessories
Power cord (1)
l
CD-ROM (for Windows 95 and Macintosh) (1)
l
User's Guide (for Windows 95) (1)
User's Guide (for Macintosh) (1)
Print paper and cartridge (1 set)
Design and specifications are subject to change without
notice.


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TABLE OF CONTENTS
1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
l
2. DISASSEMBLY
.
2-l.
2-2.
2-3.
2-4.
2-5.
2-6.
2-7.
2-8.
2-9.
Ribbon .................................................................................. 6
Upper Cabinet
Assembly ...................................................... 6
DK-31 and IR-31 Board ......................................................
Power SW Block
7
..................................................................
Power Block (SR784 Board) (Switching Regulator) ........... 8
Block Assembly
8
..................................................
Mechanism Deck .................................................................. 9
MD-3 1 Board, Reel Motor, Stepping Motor, S Reel,
T Reel ................................................................................... 9
Cassette Entrance Guide .....................................................
IBM PC/AT is a registered trademark of International
Business Machines Corporation of the U.S.A.
MS-DOS and Windows are registered trademarks
licensed to Microsoft Corporation, registered
U.S.A. and other countries.
Macintosh is a trademark licensed to Apple Computer
Inc., registered in the U.S.A. and other countries.
Adobe and Photoshop are trademarks of Adobe
Systems Incorporated.
All other product names mentioned herein may be the
trademarks or registered trademarks of their respective
companies.
3. MECHANICAL ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Furthermore,
are not mentioned in each
case in this manual.
4. ELECTRICAL ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5. DIAGRAMS
1.
Circuit Boards Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
5-2.
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14
5-3.
Printed Wiring Board
Main Section
. . . . . . . . . . . . . . . . . . . . . . . . . 18
5-4.
Schematic Diagram
Main Section
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1
5-5.
Schematic Diagram
Motor Drive/Sensor Section
. . . . 26
5-6.
Printed Wiring Board
Motor Drive/Sensor Section
5-7.
Printed Wiring Board -Power Section
. . . . . . . . . . . . . . . . . . . . . . . . 3 1
5-8.
Schematic Diagram
Power Section
. . . . . . . . . . . . . . . . . . . . . . . . . . 33
5-9. IC Pin Functions
l
System Control
DK-31 Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35
l
Head Control, Mechanism Control
Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38
6. EXPLODED VIEWS
1.
Cabinet Section.. ................................................................. 41
6-2.
Mechanism Section- 1 ........................................................
6-3.
Mechanism Section-2 ......................................................... 43
6-4.
Mechanism Section-3 ......................................................... 44
7. ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Notes on chip component replacement
l
Never reuse a disconnected chip component.
l
Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
l
Keep the temperature of soldering iron around 270°C
during repairing.
l
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
l
Be careful not to apply force on the conductor when soldering
or unsoldering.
SAFETY-RELATED
COMPONENT
WARNING
COMPONENTS IDENTIFIED BY MARK A OR DOTTED
WITH MARK
A 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 PUBLISHED BY SONY.


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What vou can do with the Digital Color
DPP-M55
The Digital Color Printer DPP-M55 enables you to
directly print the image you recorded using the Sony
Digital Still Camera
without connecting the
printer to the camera.
By connecting the
to your PC
Macintosh,
you can edit images and make prints.
Direct printing of the image
recorded by the Sony Digital Still
Camera
page 7
You don't have to connect the printer to the camera.
image data is transmitted
the
to the
data communication system.
The
data can then be transmitted
the
M55 to the connected PC or Macintosh computer.
Exclusive
to edit images
The DPP-M55 is supplied with a CD-ROM in which you
will find the printer driver and the Printer Utility
software.
You can use the DPP-M55 to print images processed not
only cm the supplied Printer Utility but also on an image
processing software such as Adobe Photoshop.
Various printouts from the Printer
Utility
You can edit images and make printouts from the Printer
Utility.
For details, see the "User's Guide" either for Widows 95
or for Macintosh depending on your computer.
Calendar
cropping
. Greeting card
loading the print cartridge
the print cartridge with the
VP mark into
the printer.
Use
the
print cartridge supplied with the
video
paper packed in the
carton.
While
pressing
down
the
lever,
open the
lib.
Wind up the ink ribbon to remove
the
slack.
Insert
the
print
cartridge
firmly
until it clicks into place and close
the cartridge compartment lid.
If the cartridge compartment lid
does not close
Remove the print cartridge, and then
it.
Never put your hand into the cartridge
compartment.
thermal
high
temperatures,
especially
after
repeated
printing.
. When you put the print cartridge,
it
not get on the
ribbon.
the
or place
the print
location.
or dust on the ink ribbon
may result in imperfect
To remove the used print cartridge
Open the cartridge compartment Lid and push up the
eject lever.
To load the half-used
print cartridge
If
ink ribbon should tear
Repair the ribbon with transparent tape.
should be
no-problem with using the
of the
ribbon. Before loading the print cartridge into the printer,
the reel until the transparent tape bides.
Repair with transparent
tape.


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Inserting the print paper
You
use the print paper with the
q
VP mark.
the print paper
sheet at a time.
Connect
the
supplied
power
cord,
and turn on the power.
wan
Insert a sheet of print paper into
the paper inlet.
The print paper automatically
into
.
not
.
not
the
paper
a dusty
Fingerprints
on
surface
imperfect
.
the
Paper
for
printer
If you
of
it
and
may
.
prevent paper
do
mother sheet
of
before
take
the printout.
.
not
address
or
reverse side of the
before
printing. This
f"
printing.
.
the
to
write
characters
drawing.
Printing an image recorded by Sony Digital
Still Camera DSC-Fl
You
directly print the
recorded by the Sony Digital Still Camera
Preparatidn
Point the printer's
port
the camera's infrared
port face to face. Controllable area is about 4
12 inches
terms of straight line distance and a" angle
of 15 degrees right or left.
.
etc.
etc.,
distance
.
other
headphones
during
.
may
.
on the AC power
Printing
you must operate the camera to
refer
the
camera's manual for the procedure.
When the printer receives the
data from the
it sounds
the printer receives all data successfully. it sounds
a long beep and stark printing.
Printing takes about 70 seconds per sheet.
not
the
camera
may
the
the camera after
hear
printer
when it
receive data
the camera
other
printer,
read
supplied CD-ROM.
file
printer.


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Identifying the parts
Optional
supplies
(print packs)
the pages given in parenthesis for use of the
You need an optional print pack containing print paper
and print cartridge for printing.
Make
to
the following print packs with the
q
mark.
connector
Video Print Pack
(Standard type)
(p. 6)
cartridge and
sheets of standard print paper
for 50 printouts
Video Print Pack
(Sticker
type)
print cartridge and
of sticker print paper
for 50 printouts
paper
Data
indicator
Printing
Ribbon
indicator
Print
Troubleshooting
If the print paper jammed
If the print paper jammed, all indicators flash and
printing stops.
off the power and
the
jammed
paper.
Remove the jammed paper from the
paper outlet on the rear panel.
jammed
Remove the jammed paper from the
paper inlet on the front panel.
jammed paper