Sony MZ-R55 Service Manual page 2

Battery operation time
Batteries Recording
NH-14WM nickel Approx.
metal hydride
2.5 hours
rechargeable battery
Two LR6 (SG) Approx.
Sony alkaline dry batteries 5 hours
Approx.
NH-14WM + Two LR6 (SG)
9.5 hours
Dimensions
Approx. 78.9 × 18.9 × 84 mm (w/h/d)
× × 3
(3 1 / 3 / 3 / in.)
8 4 8
Mass
Approx. 147 g (5.2 oz) the recorder only
Approx. 190 g (6.7 oz) incl. a recordable MD,
and NH-14WM nickel metal hydride rechargeable battery
Supplied accessories
AC power adaptor AC-MZR55 (1)
Headphones with a remote control
MDR-E838SP and RM-MZR55 (1)
NH-14WM nickel metal hydride rechargeable battery (1)
Dry battery case (1)
Rechargeable battery carrying case (1)
Carrying pouch (1)
AC plug adaptor (1) (Tourist model only)
Design and specifications are subject to change without notice.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270°C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
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 PUBLISHED BY SONY.
Precautions for Laser Diode Emission Check
Playback
When checking the emission of the laser diode during adjust-
Approx.
ments, never view directly downwards as this may lead to
4 hours
blindness.
Approx.
Precautions for Using Optical Pick-up
10 hours
Approx.
As the laser diode inside the optical pick-up damages by static
16 hours
electricity easily, solder the laser tap of the Optical pick-up
flexible board when handling. Also take the necessary measures
to prevent damages by static electricity. Handle the Optical pick-
up flexible board with care as it breaks easily.
– 2 –
Laser tap
Optical Pick-up flexible board
(KMS-280A)