Sony SLV-SE740B Service Manual page 2

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SE740N/SE840N/SX740N:
SP: PAL/MESECAM
23.39 mm/s (recording/playback)
NTSC 33.35 mm/s (playback only)
LP: PAL/MESECAM
11.70 mm/s (recording/playback)
NTSC 16.67 mm/s (playback only)
EP: NTSC 11.12 mm/s (playback only)
SE740B/SE840B:
SP: PAL 23.39 mm/s (recording/playback)
NTSC 33.35 mm/s (playback only)
SECAM
23.39 mm/s (recording/playback)
MESECAM
23.39 mm/s (playback only)
LP: PAL 11.70 mm/s (recording/playback)
NTSC 16.67 mm/s (playback only)
SECAM
11.70 mm/s (recording/playback)
MESECAM
11.70 mm/s (playback only)
EP: NTSC 11.12 mm/s (playback only)
Maximum recording/playback time
10 hrs. in LP mode (with E300 tape)
Rewind time
Approx. 1 min.(with E180 tape)
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1. Check the area of your repair for unsoldered or poorly-soldered
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 transistors,
that were installed during a previous repair. Point them out to
the customer and recommend their replacement.
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Inputs and outputs
LINE-1 (EURO AV)
21-pin
Video input: pin 20
Audio input: pins 2 and 6
Video output: pin 19
Audio output: pins 1 and 3
LINE-2 (DEC/EXT)/LINE-3 (DEC/EXT)
21-pin
Video input: pin 20
Audio input: pins 2 and 6
SE840B/SE840D/SE840E/SE840G/SE840N:
t LINE-2 L o R
VIDEO IN, phono jack (1)
Input signal: 1 Vp-p, 75 ohms,
unbalanced, sync negative
AUDIO IN, phono jack (2)
Input level: 327 mVrms
Input impedance: more than 47 kilohms
AUDIO (OUT/SORTIE) R/D L/G
Phono jack (2)
Rated output level: 327 mVrms
Load impedance: 47 kilohms
Output impedance: less than 10 kilohms
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 0 OR DOTTED
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LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
i
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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General
Power requirements
220 – 240 V AC, 50 Hz
Power consumption
17 W
1.3 W (POWER SAVE is set to ECO2, minimum)
Operating temperature
5 °C to 40 °C
Storage temperature
–20 °C to 60 °C
Dimensions including projecting parts and controls (w/h/
d)
Approx. 430 × 96 × 255 mm
Mass
Approx. 3.1 kg
Supplied accessories
Remote commander (1)
R6 (size AA) batteries (2)
Aerial cable (1)
SE740B/SE840B:
PERITEL cable (1)
Design and specifications are subject to change without
notice.
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4. Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and recommend
their replacement.
5. Check the B+ voltage to see it is at the values specified.
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