Sony STR-DA4400ES Service Manual ▷ View online
STR-DA4400ES
5
POWER AMP BLOCK SERVICE POSITION
In checking the Power AMP block, prepare jig (extension cable J-2501-291-A: 2 mm Pitch, 12 cores, Length 300 mm/J-2501-311-A: 2 mm
Pitch, 15 cores, Length 300 mm).
In checking the Power AMP block, prepare jig (extension cable J-2501-291-A: 2 mm Pitch, 12 cores, Length 300 mm/J-2501-311-A: 2 mm
Pitch, 15 cores, Length 300 mm).
CONTROL BOARD SERVICE POSITION
In checking the CONTROL board, prepare jig (extension cable J-2501-255-A: 1.25 mm Pitch, 10 cores, Length 300 mm/J-2501-258-A:
1.25 mm Pitch, 16 cores, Length 300 mm/J-2501-259-A: 1.25 mm Pitch, 18 cores, Length 300 mm/J-2501-260-A: 1.25 mm Pitch, 20 cores,
Length 300 mm).
In checking the CONTROL board, prepare jig (extension cable J-2501-255-A: 1.25 mm Pitch, 10 cores, Length 300 mm/J-2501-258-A:
1.25 mm Pitch, 16 cores, Length 300 mm/J-2501-259-A: 1.25 mm Pitch, 18 cores, Length 300 mm/J-2501-260-A: 1.25 mm Pitch, 20 cores,
Length 300 mm).
insulating sheet
A-CLASS AMP board
(CN1505)
(CN1505)
power AMP Block
A-CLASS AMP board
(CN1504)
(CN1504)
Connect the extension jig (J-2501-311-A)
to the A CLASS AMP board (CN1505)
and E-VOL board (CN1202).
to the A CLASS AMP board (CN1505)
and E-VOL board (CN1202).
E-VOL board
(CN1202)
(CN1202)
Connect the extension jig (J-2501-291-A)
to the A CLASS AMP board (CN1504)
and E-VOL board (CN1201).
to the A CLASS AMP board (CN1504)
and E-VOL board (CN1201).
E-VOL board
(CN1201)
(CN1201)
connect jig (extension cable J-2501-260-A)
to the CONTROL board (CN2006)
and MAIN board (CN1005).
to the CONTROL board (CN2006)
and MAIN board (CN1005).
connect jig (extension cable J-2501-255-A)
to the CONTROL board (CN2008)
and MAIN board (CN1006).
to the CONTROL board (CN2008)
and MAIN board (CN1006).
connect jig (extension cable J-2501-258-A)
to the CONTROL board (CN2004)
and D-CONNECT board (CN2403).
to the CONTROL board (CN2004)
and D-CONNECT board (CN2403).
CONTROL board
(CN2006)
(CN2006)
connect jig (extension cable J-2501-259-A)
to the CONTROL board (CN2005)
and D-CONNECT board (CN2405).
to the CONTROL board (CN2005)
and D-CONNECT board (CN2405).
CONTROL board
(CN2008)
(CN2008)
MAIN board
(CN1006)
(CN1006)
MAIN board
(CN1005)
(CN1005)
CONTROL board
(CN2004)
(CN2004)
CONTROL board
(CN2005)
(CN2005)
D-CONNECT board
(CN2403)
(CN2403)
D-CONNECT board
(CN2405)
(CN2405)
insulating sheet
STR-DA4400ES
6
DIGITAL BOARD SERVICE POSITION
In checking the DIGITAL board, prepare jig (extension cable J-2501-312-A: 1.25 mm Pitch, 11 cores, Length 300 mm).
In checking the DIGITAL board, prepare jig (extension cable J-2501-312-A: 1.25 mm Pitch, 11 cores, Length 300 mm).
D-VIDEO/S-VIDEO BOARDS SERVICE POSITION
In checking the D-VIDEO board, prepare jig (extension cable J-2501-259-A: 1.25 mm Pitch, 18 cores, Length 300 mm/J-2501-313-A: 1.25
mm Pitch, 17 cores, Length 300 mm).
In checking the D-VIDEO board, prepare jig (extension cable J-2501-259-A: 1.25 mm Pitch, 18 cores, Length 300 mm/J-2501-313-A: 1.25
mm Pitch, 17 cores, Length 300 mm).
connect jig (extension cable J-2501-312-A)
to the DIGITAL board (CN2203)
and CONTROL board (CN2002).
to the DIGITAL board (CN2203)
and CONTROL board (CN2002).
CONTROL board
(CN2002)
(CN2002)
DIGITAL board
(CN2203)
(CN2203)
Connect jig (extension cable J-2501-259-A)
to the D-VIDEO board (CN3507) and
CONTOL board (CN2001).
to the D-VIDEO board (CN3507) and
CONTOL board (CN2001).
CONTROL board
(CN2001)
(CN2001)
D-VIDEO board
(CN3507)
(CN3507)
Connect jig (extension cable J-2501-313-A)
to the D-VIDEO board (CN3508) and
CONTOL board (CN2009).
to the D-VIDEO board (CN3508) and
CONTOL board (CN2009).
CONTROL board
(CN2009)
(CN2009)
D-VIDEO board
(CN3508)
(CN3508)
S-VIDEO board
insulating sheet
STR-DA4400ES
7
A-VIDEO BOARD SERVICE POSITION
In checking the A-VIDEO board, prepare jig (extension cable J-2501-257-A: 1.25 mm Pitch, 14 cores, Length 300 mm).
In checking the A-VIDEO board, prepare jig (extension cable J-2501-257-A: 1.25 mm Pitch, 14 cores, Length 300 mm).
ANALOG BOARD SERVICE POSITION
In checking the ANALOG board, prepare jig (extension cable J-2501-258-A: 1.25 mm Pitch, 16 cores, Length 300 mm).
In checking the ANALOG board, prepare jig (extension cable J-2501-258-A: 1.25 mm Pitch, 16 cores, Length 300 mm).
connect jig (extension cable J-2501-257-A)
to the CONTROL board (CN2010) and A-VIDEO board (CN6507).
to the CONTROL board (CN2010) and A-VIDEO board (CN6507).
A-VIDEO board
(CN6507)
(CN6507)
CONTROL board
(CN2010)
(CN2010)
insulating sheet
connect jig (extension cable J-2501-258-A)
to the CONTROL board (CN2011) and ANALOG board (CN602).
to the CONTROL board (CN2011) and ANALOG board (CN602).
ANALOG board
(CN602)
(CN602)
CONTROL board
(CN2011)
(CN2011)
insulating sheet
STR-DA4400ES
8
LEAD WIRE SETTING
MAIN BOARD SERVICE POSITION
insulating sheet
MAIN board
In checking the board, make two
capacitors discharge for electric
shock prevention. (R: 800
capacitors discharge for electric
shock prevention. (R: 800
Ω/2W)
C2490
C2490
C2491
C2491
CAUTION
heat sink
The lead wire must not come in contact with the transformer and the heat sink.
transformer
Please band together so that a primary side cable
cannot touch a power transformer and heat sink.
cannot touch a power transformer and heat sink.
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