Sony STR-DA2400ES / STR-DG920 Service Manual ▷ View online
STR-DA2400ES/DG920
17
3-8. BACK PANEL BLOCK (DA2400ES)
3-9. BACK PANEL BLOCK (DG920)
(US, CND)
1
AC inlet connector
(CNP51)
4
four screws
(BVTP3
u 8)
4
seven screws
(BVTP3
u 8)
4
two screws
(BVTP3
u 8)
4
eight screws
(BVTP3
u 8)
3
two screws
(BV/ring)
5
back panel block
2
three connectors
(CN1501, CN1502, CN1503)
4
screw
(BVTP3
u 8)
(AEP, ECE, UK, BR, TW)
4
screw
(BVTP3
u 8)
1
power cord connector
(CNP51)
4
six screws
(BVTP3
u 8)
4
eight screws
(BVTP3
u 8)
4
eight screws
(BVTP3
u 8)
3
two screws
(BV/ring)
5
back panel block
2
three connectors
(CN1501, CN1502, CN1503)
Ver. 1.4
• Abbreviation
BR
BR
: Brazilian model
CND : Canadian model
ECE : Continental European,
ECE : Continental European,
East European and
Russian models
TW :
Taiwan
model
STR-DA2400ES/DG920
18
3-10. MICON BOARD, DIGITAL BOARD
Note: Both STR-DA2400ES and STR-DG920 can be removed through the same procedure.
3-11. ACLASS BOARD
Note: Both STR-DA2400ES and STR-DG920 can be removed through the same procedure.
six connectors
(CN2030, CN2031, CN2032,
CN2230, CN2231, CN2232)
two connectors
(CN2010,
CN2023)
four screws
(BVTP3
× 8)
MICON DIGITAL CONN board
Cut the two clamps.
MICON
board
connector
(CN5001)
connector
(CN2208)
RB two connectors
(CN2217,
CN2218)
DSP board
RT DIGITAL board
Note: In reassembling, use new clamp to
fasten the clamp same as before.
R screw
(BVTP3
× 8)
two screws
(BVTP3
× 8)
two screws
(BVTP3
× 8)
two screws
(BVTP3
× 8)
connector
(CN1909)
four connectors
(CN411, CN511, CN611, CN711)
A-CLASS SUPPORT A board
A-CLASS SUPPORT B board
ACLASS board
STR-DA2400ES/DG920
19
3-12. MAIN BLOCK
Note: Both STR-DA2400ES and STR-DG920 can be removed through the same procedure.
3-13. MAIN BOARD
Note 1: Both STR-DA2400ES and STR-DG920 can be removed through the same procedure.
Note 2: This illustration sees the MAIN board from pin jack side.
Note 2: This illustration sees the MAIN board from pin jack side.
5
screw
(BVTT4
u 8)
7
two screws
(BVTP3
u 8)
8
two screws
(BVTP3
u 8)
8
two screws
(BVTP3
u 8)
6
bracket (video PWB)
3
connector
(CN1401)
4
connector
(CNP54)
2
two connectors
(CN811,
CN801)
9
main block
Note: In reassembling, use new clamp to
fasten the clamp same as before.
1
Cut the clamp.
1
Cut the binding band (taiton).
1
Cut the clamp.
two screws
(BVTP3
× 8)
Remove the forty-two solders.
MAIN board
heat sink block
STR-DA2400ES/DG920
20
SECTION 4
TEST MODE
TUNER AM STEP CHANGE MODE
(DA2400ES: US, Canadian, Brazilian, Taiwan/DG920
only)
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Press the [POWER] button to turn on the main power.
2. Turn the [INPUT SELECTOR] dial to select the “AM TUN-
(DA2400ES: US, Canadian, Brazilian, Taiwan/DG920
only)
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Press the [POWER] button to turn on the main power.
2. Turn the [INPUT SELECTOR] dial to select the “AM TUN-
ER”.
3. Press the [POWER] button to turn off the main power.
4. While pressing the [TUNING MODE] button, press the
4. While pressing the [TUNING MODE] button, press the
[POWER] button to turn on the main power.
5. Either the message “AM 9k Step” or “AM10k Step” appears,
select the desired step.
SOUND FIELD CLEAR MODE
The preset sound fi eld is cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [MUSIC] button, press the [POWER] but-
The preset sound fi eld is cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [MUSIC] button, press the [POWER] but-
ton to turn on the main power.
2. The message “S.F. CLEAR” appears and initialization is per-
formed.
INITIALIZE MODE
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [TONE MODE] and [2CH/A.DIRECT]
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [TONE MODE] and [2CH/A.DIRECT]
buttons, press the [POWER] button to turn on the main power.
2. The message “CLEARING” appears and the memories are re-
set to the default values.
3. When done, the message “CLEARED !” appears.
FLUORESCENT INDICATOR TUBE DISPLAY TEST
All fl uorescent segments are tested. When this test is activated, all
segments turn on at the same time, then each segment turns on one
after another.
Procedure:
1. While pressing the [TONE MODE] and [A.F.D.] buttons,
All fl uorescent segments are tested. When this test is activated, all
segments turn on at the same time, then each segment turns on one
after another.
Procedure:
1. While pressing the [TONE MODE] and [A.F.D.] buttons,
press the [POWER] button to turn on the main power.
2. All segments and all LEDs turn on.
SWAP MODE
The signal will be swap to all channel so that all speaker will have
sound output.
Procedure:
1. While pressing the [MEMORY/ENTER] and [2CH/A.
The signal will be swap to all channel so that all speaker will have
sound output.
Procedure:
1. While pressing the [MEMORY/ENTER] and [2CH/A.
DIRECT] buttons, press the [POWER] button to turn on the
main power.
main power.
2. The message “SWAP MODE” appears (No change while dis-
played).
SOUND FIELD LOCK ON/OFF CHANGE MODE
All buttons operation on/off of the front panel is changed.
Procedure:
1. While pressing the [SPEAKERS (OFF/A/B/A+B)] and
All buttons operation on/off of the front panel is changed.
Procedure:
1. While pressing the [SPEAKERS (OFF/A/B/A+B)] and
[MUSIC] buttons, press the [POWER] button to turn on the
main power.
main power.
2. Either the message “S.F. LOCK OFF” or “S.F. LOCK ON”
appears.
COMMAND MODE CHANGE MODE
The command mode of the remote-commander which this set re-
ceives can be changed.
Procedure:
1. While pressing the [2CH/A. DIRECT] button, press the [POW
The command mode of the remote-commander which this set re-
ceives can be changed.
Procedure:
1. While pressing the [2CH/A. DIRECT] button, press the [POW
ER] button to turn on the main power.
2. Either the message “C. MODE AV1” or “C. MODE AV2” ap-
pears. Select the desired mode.
XM FACTORY TEST MODE
(DA2400ES: US, Canadian/DG920 only)
Mode to confi rm operation of XM. Doing display of ID of XM
antenna and output of audio signal that XM antenna generates, it is
confi rmed that there are no problems in the communication of the
XM antenna and the transmission of the audio signal.
Procedure:
1. The XM antenna was connected, while pressing the [TUNING
(DA2400ES: US, Canadian/DG920 only)
Mode to confi rm operation of XM. Doing display of ID of XM
antenna and output of audio signal that XM antenna generates, it is
confi rmed that there are no problems in the communication of the
XM antenna and the transmission of the audio signal.
Procedure:
1. The XM antenna was connected, while pressing the [TUNING
MODE] and [MOVIE] buttons, press the [POWER] button to
turn on the main power.
turn on the main power.
2. Whenever the [DISPLAY] button is pressed, the output of the
audio signal of 1 kHz L/R, 20 Hz L/R, 5 kHz L/R, muting, 1
kHz L and 1 kHz R are switched.
kHz L and 1 kHz R are switched.
SIRIUS FACTORY TEST MODE
(DA2400ES: US, Canadian only)
Mode to confi rm operation of SIRIUS. Doing display of ID of
SIRIUS antenna and output of audio signal that SIRIUS antenna
generates, it is confi rmed that there are no problems in the commu-
nication of the SIRIUS antenna and the transmission of the audio
signal.
Procedure:
1. The SIRIUS antenna was connected, while pressing the
(DA2400ES: US, Canadian only)
Mode to confi rm operation of SIRIUS. Doing display of ID of
SIRIUS antenna and output of audio signal that SIRIUS antenna
generates, it is confi rmed that there are no problems in the commu-
nication of the SIRIUS antenna and the transmission of the audio
signal.
Procedure:
1. The SIRIUS antenna was connected, while pressing the
[TUNING MODE] and [A.F.D.] buttons, press the [POWER]
button to turn on the main power.
button to turn on the main power.
2. Whenever the [DISPLAY] button is pressed, the output of the
audio signal of 1 kHz L/R, 20 Hz L/R, 5 kHz L/R, muting, 1
kHz L and 1 kHz R are switched.
kHz L and 1 kHz R are switched.
Ver. 1.4
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