DOWNLOAD Sony HCD-BX77DBI Service Manual ↓ Size: 4.38 MB | Pages: 61 in PDF or view online for FREE

Model
HCD-BX77DBI
Pages
61
Size
4.38 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-bx77dbi.pdf
Date

Sony HCD-BX77DBI Service Manual ▷ View online

HCD-BX77DBi
9
2-10.  MAIN  BOARD
2-11.  DAB  BOARD,  MODULE (DAB  TUNER)
4
 connector
 (CN316)
3
 flexible flat cable (11 core)
 (CN326)
2
 flexible flat cable (21 core)
 (CN305)
1
 flexible flat cable (5P)
(CN311)
5
 connector
 (CN904)
6
 two screws
 (BVTT3 
u 6)
7
 MAIN board
1
 flexible flat cable
 
(DAB board: CN801/MAIN board: CN326)
3
 two screws
 (BVTP3 
u 8)
5
 DAB board
8
 module (DAB tuner)
6
 Remove two solders.
7
 connector pin 2P
2
 DAB cable connector
4
HCD-BX77DBi
10
2-12.  LOADING  MECHANISM  BLOCK
2-13.  BASE  UNIT
4
 holder (CD)
5
 three screws
 (BV3)
0
 loading mechanism block
6
1
 flexible flat cable (21 core)
 (CN305)
2
 flexible flat cable (5 core)
 (CN311)
8
 flexible flat cable (5 core)
 (CN001)
7
 flexible flat cable (21 core)
 (CN201)
3
 two screws
 (BVTP2.6)
9
 door CD
4
 insulator
4
 insulator
5
 base unit
4
 insulator
4
 insulator
2
  two cone springs 
1
  two floating screws (PTPWH M2.6) 
1
  two floating screws
 (PTPWH 
M2.6) 
1
  floating screw (PTPWH M2.6) 
3
loading (BK) assy
– Bottom view –
2
  two cone springs
HCD-BX77DBi
11
2-14. BELT
2-15.  OPTICAL  PICK-UP  BLOCK (KSM-213DCP)
‡3RVLWLRQRIEHOW
5
 belt
3
 claw
3
 claw
4
 tray (AU)
2
belt
1
 Slide the boss in the 
 
direction of the arrow.
Note 1:  When disconnecting the wire (fl at type) (16 core) of optical pick-up block, solder the short-land.
1
  Remove four solders.
3
  flexible flat cable (16 core)
 (optical 
pick-up)
4
 CD board
5
  optical pick-up block
 (KSM-213DCP)
2
 Solder the short-land.
Note 2: When assembling the optical pick-up block, 
 
remove the solder of short-land after 
 
connecting the wire (flat type) (16 core).
HCD-BX77DBi
12
SECTION  3
TEST  MODE
COLD  RESET
The cold reset clears all data including preset data stored in the 
RAM to initial conditions. Execute this mode when returning the 
set to the customer.
Procedure:
1.  Press three buttons of [
x
/CANCEL], [VOL +] and [
?/1
] si-
multaneously.
2.  The system is reset and becomes standby states.
COMMON  TEST  MODE
This mode is used to check operations of amplifi er.
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press three buttons of [TUNER/BAND], [
x
/CANCEL] and 
[ENTER] simultaneously.
3.  When the COMMON test mode is activated, “AUDIO IN” is 
displayed on the liquid crystal display and “
cPLAY SLEEP” 
blink on the fl uorescent indicator tube.
4.  Each time [EQ] button on the remote commander is pressed, 
the display changes starting “TONE MAX”, “TONE MIN” 
and “TONE FLAT” this order.
5.  Press the [VOL –] button, “VOLUME MIN” is displayed 
on the fl uorescent indicator tube. Press the [VOL +] button, 
“VOLUME MAX” is displayed on the fl uorescent indicator 
tube.
6.  To release this mode, press the [
?/1
] button.
PANEL  TEST  MODE
This mode is used to check the liquid crystal display, LED, model, 
destination, software version and key.
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press three buttons of [TUNER/BAND], [DSGX] and [EN-
TER] simultaneously.
3.  All segments on the fl uorescent indicator tube, [STANDBY] 
LED light up.
4.  Press the [ENTER] button, the model and destination are alter-
nately displayed on the fl uorescent indicator tube.
5.  Press the [ENTER] button again, MC version is displayed on 
the fl uorescent indicator tube.
6.  Each time [ENTER] button is pressed, the display changes 
starting from MC version, GC version, CLA version, CD ver-
sion, CDD version, CDMA version, CDMB version, BDA ver-
sion, BDB version, ST version, TA version and TM version 
this order, and returns to the MC version display.
7. When [
x
/CANCEL] button is pressed while the MC version 
is displayed, year, month and day of the software creation is 
displayed. When [
x
/CANCEL] button is pressed again, the 
display returns to the MC version display.
8.  Press the [DSGX] button, the key test mode is activated and 
“K 0” is displayed on the fl uorescent indicator tube.
9.  Each time a button is pressed, “K” value increases. However, 
once a button is pressed, it is no longer taken into account.
 
All keys are pressed, display becomes “K19”.
10. Press the [VOL +] button, the key AD monitor mode is acti-
vated and “FFFFFF” is displayed on the fl uorescent indicator 
tube.
11. Each time a button is pressed, the AD of each button is dis-
played on the fl uorescent indicator tube.
12.  To release this mode, press three buttons in the same manner as 
step 2, or disconnect the power cord.
CD  SHIP  MODE
This mode moves the optical pick-up to the position durable to 
vibration. Use this mode when returning the set to the customer 
after repair.
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press the [FUNCTION] button to select “CD”.
3.  Press three buttons of [DSGX], [VOL +] and [
A
] simultane-
ously.
4.  After the “STANDBY” display blinks, “LOCK” is displayed 
on the fl uorescent indicator tube, the ship mode is set.
CD  SHIP  MODE  &  MEMORY  CLEAR
This mode is used to perform CD ship mode and cold reset simul-
taneously.
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press three buttons of [
x
/CANCEL], [VOL +] and [
A
] simul-
taneously.
3.  After the “STANDBY” display blinks, “LOCK” is displayed 
on the fl uorescent indicator tube the ship mode is set and the 
system is reset.
ANTITHEFT  LOCK  MODE
This mode is used to unable to take sample disc out of disc tray in 
the shop.
Procedure:
1.  Press the [
?/1
] button to turn the set on.
2.  Press the [
A
] button to open the disc tray and set the CD disc.
3.  Press the [
A
] button to close the disc tray.
4.  Press the [FUNCTION] button to select “CD”.
5.  Press two buttons of [
x
/CANCEL] and [
A
] for 5 seconds.
6.  The message “LOCKED” is displayed on the fl uorescent indi-
cator tube and the disc tray is locked. (Even if pressing the Z 
button, the message “LOCKED” is displayed on the fl uores-
cent indicator tube and the disc tray is locked)
7.  To release from this mode, press two buttons of [
x
/CANCEL] 
and [
A
] for 5 seconds.
8.  The message “UNLOCKED” is displayed on the fl uorescent 
indicator tube and the disc tray is unlocked.
CD  POWER  MANAGE
This mode is used to changed over CD power on/off for decreasing 
of reception noise in the tuner mode.
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press the [FUNCTION] button to select “CD”.
3.  Press the [
?/1
] button again to turn the power off.
4.  Press two buttons of [
x
/CANCEL] and [
?/1
] simultaneously.
5.  The message “CD POWER”, “ON” or “CD POWER”, 
“OFF”is displayed on the fl uorescent indicator tube, and CD 
power on/off is changed over in the tuner mode.
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