Sony DVP-S725D Service Manual page 2

Operating humidity
5% to 90%
Supplied accessories
• Audio/Video connecting cord (1)
• S video cable (1)
• Remote commander (remote) RMT-D108O (1)
(S525D: Australian)
• Remote commander (remote) RMT-D108P (1)
(S525D: EXCEPT Australian)
• Remote commander (remote) RMT-D109P (1) (S325)
• Remote commander (remote) RMT-D111O (1) (S725D: Australian)
• Remote commander (remote) RMT-D111P (1)
(S725D: EXCEPT Asutralian)
• Size AA (R6) batteries (2)
DVP-S325/S525D:
* The signals from LINE OUT (AUDIO) connectors and 5.1 ch L, R
connectors (S525D only) are measured. When you play the PCM sound
tracks with 96 kHz sampling frequency, the output signals from the
DIGITAL OUT (OPTICAL, COAXIAL) are converted to 48 kHz
(sampling frequency).
DVP-S725D:
* The signals from AUDIO OUT connectors and 5.1 ch L, R connectors
are measured. When you play the PCM sound tracks with 96 kHz
sampling frequency, the output signals from the DIGITAL OUT
(OPTICAL, COAXIAL) are converted to 48 kHz (sampling fre-
quency).
Design and specifications are subject to change without notice.
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:
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.
CLASS 3B LASER
LUOKAN 3B LASER
LASERKLASS 3B
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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