DCR-TRV145E, DCR-TRV147E, DCR-TRV245E, DCR-TRV250E (serv.man2) - Sony Movie Service Manual (repair manual). Page 3

Read Sony DCR-TRV145E / DCR-TRV147E / DCR-TRV245E / DCR-TRV250E (serv.man2) Service Manual online

— 3 —
DCR-TRV145E/TRV147E/TRV245E/TRV250E
• Abbreviation
AUS : Australian model
CH
: Chinese model
EE
: East European model
JE
: Tourist model
NE
: North European model
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
PUBLISHED BY SONY.
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.
4.
Look for parts which, through 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.
6.
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.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer.
Table for differences of function
Model
DCR-TRV145E
DCR-TRV147E
DCR-TRV245E
DCR-TRV250E
Remark
Destination
AEP, UK, EE, NE
AEP, UK, EE, NE,
AEP, UK, EE, NE
AEP, UK, EE, NE,
E, AUS
E, AUS, CH, JE
Remote
a
a
commander
Digital zoom
560x
560x
700x
700x
Steady shot
a
a
VTR Rec
a
a
a: with REC button
DV jack
DV OUT
DV IN/OUT
DV OUT
DV IN/OUT
USB jack
a
a
Page of 127
Display

Click on the first or last page to see other DCR-TRV145E / DCR-TRV147E / DCR-TRV245E / DCR-TRV250E (serv.man2) service manuals if exist.