DOWNLOAD Sony DAV-C450 / HCD-C450 Service Manual ↓ Size: 18.34 MB | Pages: 102 in PDF or view online for FREE

Model
DAV-C450 HCD-C450
Pages
102
Size
18.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-c450-hcd-c450.pdf
Date

Sony DAV-C450 / HCD-C450 Service Manual ▷ View online

16
HCD-C450
2-17. Gear (Gear A), Gear (Gear B), Gear (U/D Slider)
PRECAUTION DURING GEAR (GEAR U/D SLIDER),  GEAR (GEAR B), GEAR (GEAR A) INSTALLATION
1
Slide the slider (U/D)
fully in the arrow 
direction.
slider (U/D)
3
gear (gear B)
2
gear (U/D slider)
4
gear (gear A)
portion A
Adjust the gear (gear B) with the 
portion A as shown.
slider (U/D) gear
Adjust the gear so that it meshes with
the bottom tooth of slider (U/D) gear,
as shown.
gear
(gear B)
linearly
Adjust so as to be aligned with
gear B linearly, as shown.
7
 screw
     +BVTP 
    (2.6 
×
 8)
6
gear (gear B)
8
gear (U/D slider)
5
gear (gear A)
2
washer
3
compression spring
4
gear (selection)
1
gear (relay)
17
HCD-C450
2-18. Gear (Chucking)
PRECAUTION DURING 
GEAR (CHUCKING) (2)
PRECAUTION DURING 
GEAR (CHUCKING) (1)
OK
NG
3
gear (chucking)
rotary encoder (S707)
1
2
gear 
(chucking)
rotary encoder (S707)
rotary encoder
(S707)
Align with the slot of
rotary encoder.
Align marking.
18
HCD-C450
Version Display Mode
Procedure:
1.
Press the  A  button on the main unit or  ?/1  button on the
remote commander to turn the set on.
2.
Press three buttons of  
FUNCTION 
,  .
  PREV
    and  A
(Disc 1) simultaneously for two seconds.
3.
The message “VER. 1. XX ” is displayed for a moment.
Jog Test  Mode
Procedure:
1.
Press the  A  button on the main unit or  ?/1  button on the
remote commander to turn the set on.
2.
Press three buttons of  
BAND 
,  x  and  A  (Disk 5) simul-
taneously.
3.
The fluorescent indicator displays “JOG 0”. The value “JOG
0” increases like +1, +2, +3... if rotating the VOLUME knob
clockwisw,or it decreases like –1, –2, –3,.... if rotating counter-
clockwise.
4.
To exit from this mode, press the  
POWER
  button to turn the
set off.
Key Test  Mode
Procedure:
1.
Press the  A  button on the main unit or  ?/1  button on the
remote commander to turn the set on.
2.
Press three buttons of  
DISPLAY 
,  x  and  A  (Disk 2) simul-
taneously.
3.
The message “KEY NUM 0” is displayed and “0” blinks.
4.
Each time a button is pressed, “KEY NUM 0” value increases.
However, once a button is pressed, it is no longer taken into
account.
5.
When all buttons are pressed, “KEY NUM 20” appears and
the number blinking is stopped.
6.
To exit from this mode, press the  
POWER 
 button to turn the
set off.
Display Test  Mode
Procedure:
1.
Press the  A  button on the main unit or  ?/1  button on the
remote commander to turn the set on.
2.
Press three buttons of 
 BAND 
,  X  and  A (Disk 3) simul-
taneously.
3.
All segments and five orange LEDs on the panel are turned on.
4.
When the  
NEXT
 >  button is pressed, the display will light
up as follows. Five orange LEDs are still lit on.
5.
Press the  
NEXT
 >  button, confirm the display. Five orange
LEDs are turned off.
6.
Press the  
NEXT
 >  button, all segments are turned off.
7.
Every pressing of the  
NEXT
  >    button turns on each
segments in the same order.
8.
To exit from this mode, press the  
POWER
  button to turn the
set off.
OSD Test  Mode
Procedure:
1.
Press the  A  button on the main unit or  ?/1  button on the
remote commander to turn the set on.
2.
Set the  
FUNCTION
  to DVD.
3.
While pressing two buttons of  
DISPLAY
  and
 x  simultaneously, turn the VOLUME knob clockwise.
4.
The Test Mode Menu is displayed on the TV screen.
5.
To execute each function, select the number on the remote
commander.
6.
See the following section for explanation in detail.
7.
To exit from this mode, press the  
POWER
  button to turn the
set off.
Disc Tray  Lock
Procedure:
1.
Press the  A  button on the main unit or  ?/1  button on the
remote commander to turn the set on.
2.
Press two buttons of  
DISPLAY
  and  . 
PREV
simultaneously for two seconds.
3.
The message “LOCKED” is displayed and the tray is locked.
(Even if exiting from this mode, the tray is still locked.)
4.
Press two buttons of  
DISPLAY
  and  . 
PREV
 simultaneously for two seconds again.
5.
The message “UNLOCKED” is displayed and the tray is
unlocked.
6.
To exit from this mode, press the  
POWER
  button to turn the
set off.
General Description
The Test Mode allows you to make diagnosis and adjustment easily
using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).
[TEST DISC LIST]
Use the following test disc on test mode.
1) DVD reference disc
HLX-501 (J-6090-071-A) (dual layer)
HLX-503 (J-6090-069-A) (single layer)
HLX-504 (J-6090-088-A) (single layer)
HLX-505 (J-6090-089-A) (dual layer)
2) SACD reference disc
HLXA-509 (J-6090-090-A)
Note:
Do not use exiting test disc for DVD.
Starting Test  Mode
Set the FUNCTION to DVD with the main unit power on. Next,
while pushing the  x  button and the [DISPLAY] button on the main
unit at the same time, turn the VOLUME knob to the right to start
Test Mode and display the menu shown below on the TV screen. At
the bottom of the menu screen, the model name and revision number
are displayed.
To  execute each function, select the desired menu and press its
number on the remote commander. To exit from Test Mode, press
the [POWER] button.
        Test Mode Menu
0. Syscon Diagnosis
1. Drive Auto Adjustment
2. Drive Manual Operation
3. Mecha Aging
4. Emergency History
5. Version Information
6. Video Level Adjustment
                Exit: POWER Key
_
Model
: HCX-1089_xx
Revision : 1.xxx      Last Off:01
SECTION 3
TEST MODE
ALL 1 DISCS  AUTO
TITLE
TRACK
CHAPTER
INDEX
HTUNED
M MONO
ST S
dB  REPEAT  1
kHz  PROGRAM
MHz  SHUFFLE
PRO  LOGIC
DIGITAL  FM  AM
NTSC  PBC  ANGLE
D
D
D
D
dts PCM
ALL 1 DISCS  AUTO
TITLE
TRACK
CHAPTER
INDEX
HTUNED
M MONO
ST S
dB  REPEAT  1
kHz  PROGRAM
MHz  SHUFFLE
PRO  LOGIC
DIGITAL  FM  AM
NTSC  PBC  ANGLE
D
D
D
D
dts PCM
Ver 1.4  2003. 07
19
HCD-C450
Syscon Diagnosis
The same contents as board detail check by serial interface can be
checked from the remote commander.
On the Test Mode Menu screen, press 
[0]
  key on the remote
commander, and the following check menu will be displayed.
### Syscon Diagnosis ###
Check Menu
0. Quit
1. All
2. Version
3. Peripheral
4. Servo
5. Supply
6. AV Decoder
7. Video
8. Audio
9. DSD Decoder
_
0.
Quit
Quit the Syscon Diagnosis and return to the Test Mode Menu.
1.
All
All items continuous check
This menu checks all diagnostic items continuously. Normally, all
items are checked successively one after another automatically
unless an error is found, but at a certain item that requires judgment
through a visual check to the result, the following screen is displayed
for the key entry.
### Syscon Diagnosis ###
Diag All Check
No. 2 Version
 2-3. ROM Check Sum
Check Sum = 2005
Press NEXT Key to Continue
Press PREV Key to Repeat
_
For the ROM Check, the check sum calculated by the Syscon is
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press 
[NEXT]
 key to go to the next item, or
[PREV]
 key to repeat the same check again. To quit the diagnosis
and return to the Check Menu screen, press  x  or 
[ENTER]
 key. If
an error occurred, the diagnosis is suspended and the error code is
displayed as shown below.
### Syscon Diagnosis ###
 3-3. EEPROM Check
Error 03: EEPROM Write/Reed N
Address
: 00000001
Write Data : 2492
Read Data
: 2490
Press NEXT Key to Continue
Press PREV Key to Repeat
_
Press  x  key to quit the diagnosis, or 
[PREV]
  key  to repeat the
same item where an error occurred, or 
[NEXT]
 key to continue the
check from the item next to faulty item.
Selecting 2 and subsequent items calls the submenu screen of each
item.
For example, if “5. Supply” is selected, the following submenu will
be displayed.
### Syscon Diagnosis ###
Check Menu
No. 5 Supply
0. Quit
1. All
2. ARP Register Check
3. ARP to RAM Data Bus
4. ARP to RAM Address Bus
5. ARP RAM Check
_
0.
Quit
Quit the submenu and return to the main menu.
1.
All
All submenu items continuous check
This menu checks 2 and subsequent items successively. At the item
where visual check is required for judgment or an error occurred,
the checking is suspended and the message is output for key entry.
Normally, all items are checked successively one after another
automatically unless an error is found.
Selecting 2 and subsequent items executes respective menus and
outputs the results.
For the contents of each submenu, see “Check Items List”.
General Description of Checking Method
2.
Version
(2-2) Revision
ROM revision number is displayed.-
Error: Not detected.
The revision number defined in the source file of ROM (At
the beginning of mass production, the Flash ROM of IC107
is used, but midway it is replaced by the IC108 OTP ROM.
IC107 or IC108) is displayed with four digits.
Below IC107 are all IC107 or IC108.
(2-3) ROM Check Sum
Check sum is calculated.
Error: Not detected.
The 8-bit data are added at addresses 0x000F0000 ~
0x002EFFFF of ROM (IC107) and the result is displayed
with 4-digit hexadecimal number. Error is not detected.
Compare the result with the specified value.
(2-4) Model Type
Model code is displayed.
Error: Not detected.
The model code read from EEPROM (IC101) is displayed
with 2-digit hexadecimal number.
(2-5) Region
Region code is displayed.
Error: Not detected.
The region code determined from the model code is displayed.
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