Read Sony DCR-TRV820E Service Manual online
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1. Check the area of your repair for unsoldered or poorly-sol-
dered connections. Check the entire board surface for solder
splashes and bridges.
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.
out to the customer and recommend their replacement.
4. Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and recom-
mend their replacement.
mend their replacement.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer.
safety checks before releasing the set to the customer.
5. Check the B+ voltage to see it is at the values specified.
6. Flexible Circuit Board Repairing
•
Keep the temperature of the soldering iron around 270 ˚C
during repairing.
during repairing.
•
Do not touch the soldering iron on the same conductor of
the circuit board (within 3 times).
the circuit board (within 3 times).
•
Be careful not to apply force on the conductor when sol-
dering or unsoldering.
dering or unsoldering.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED
LINE WITH MARK
0
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.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
AC power adaptor
Power requirements
100 - 240 V AC, 50/60 Hz
Power consumption
23 W
Output voltage
DC OUT: 8.4 V, 1.5 A in the
operating mode
operating mode
Operating temperature
0
°
C to 40
°
C (32
°
F to 104
°
F)
Storage temperature
–20
°
C to +60
°
C (–4
°
F to +140
°
F)
Dimensions (approx.)
125
×
39
×
62 mm
(5
×
1 9/16
×
2 1/2 in.) (w/h/d)
excluding projecting parts
Mass (approx.)
280 g (9.8 oz)
excluding power cord
excluding power cord
Battery Pack
Output voltage
DC 7.2 V
Capacity
5.0 Wh
Dimensions (approx.)
38
×
21
×
71 mm
(1 9 /16
×
1 3/16
×
2 7/8 in.) (w/h/d)
Mass (approx.)
95 g (3.4 oz)
Type
Lithium ion
“Memory Stick”
Memory
Flash memory
4 MB: MSA-4A
4 MB: MSA-4A
Operating voltage
2.7 - 3.6 V
Power consumption
Approx. 45 mA in the operating mode
Approx. 130
Approx. 130
µ
A in the standby mode
Dimensions (approx.)
50
×
2.8
×
21.5 mm
(2
×
1/8
×
7/8 in.) (w/h/d)
Mass (approx.)
4 g (0.14 oz)
Design and specifications are subject to
change without notice.
change without notice.
Click on the first or last page to see other DCR-TRV820E service manuals if exist.