Sony DVP-CX777ES Service Manual ▷ View online
DVP-CX777ES
21
3-18. CD/DVD MECHANISM DECK BLOCK
(CDM62-DVBU26)
3-19. MOTOR (400) ASSY (LOADING) (M602)/(TABLE) (M601), LOADING MOTOR BOARD
4
four screws
(BVTP 3
(BVTP 3
×
8)
3
screw (PSW 3
×
8)
2
connector
(CN903)
(CN903)
1
connector
(CN905)
(CN905)
5
seven screws
(BVTP 3
(BVTP 3
×
8)
6
CD/DVD mechanism deck block
(CDM62-DVBU26)
(CDM62-DVBU26)
4
motor (400) assy (loading)
(M602)
(M602)
1
two belts (400)
3
Remove two
solders.
solders.
5
Remove two
solders.
solders.
2
three screws
(PTPWH 2.6
(PTPWH 2.6
×
8)
6
motor (400) assy (table)
(M601)
(M601)
7
loading motor
board
board
DVP-CX777ES
22
3-20. OPTICAL PICK-UP
(KHM-290AAA)
8
optical pick-up
(KHM-290AAA)
(KHM-290AAA)
1
step screw (M)
5
insulator
2
step screw (M)
6
insulator
4
holder (BU) block
7
insulator
3
step screw (M)
23
DVP-CX777ES
SECTION 4
TEST MODE
4-1.
GENERAL DESCRIPTION
The Test Mode allows you to make diagnosis and adjustment eas-
ily using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).
ily using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).
4-2.
STARTING TEST MODE
Press the
[TOP MENU]
,
[CLEAR]
,
I
/
1
keys on the remote com-
mander in this order with the power of main unit in OFF status,
and the Test Mode starts, then “DIAG START” will be displayed
on the fluorescent display tube and the menu shown below will be
displayed on the TV screen. At the bottom of menu screen, the
model name and revision number are displayed. Last Off at the
lower right of screen indicates the information code concerning
the last power off. To execute each function, select the desired
menu and press its number on the remote commander. To exit from
the Test Mode, press the
and the Test Mode starts, then “DIAG START” will be displayed
on the fluorescent display tube and the menu shown below will be
displayed on the TV screen. At the bottom of menu screen, the
model name and revision number are displayed. Last Off at the
lower right of screen indicates the information code concerning
the last power off. To execute each function, select the desired
menu and press its number on the remote commander. To exit from
the Test Mode, press the
I
/
1
key.
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 :TTX-15xxxx
Revision:x.xxx
Last Off: xx
Power Off Information Code List
00: Primary Power Off
01: Power Off Request from SYSTEM CONTROL
02: Power Off by Emergency Power Off Command from SYS-
01: Power Off Request from SYSTEM CONTROL
02: Power Off by Emergency Power Off Command from SYS-
TEM CONTROL
(if information is sent from SYSTEM CONTROL)
(if information is sent from SYSTEM CONTROL)
03: IF CON Judged that SYSTEM CONTROL is Faulty
04: Power Off from Diagnosis Mode of IF CON
05: Forced Power Off by the User
06: Power Off by Power Supply Voltage Monitor
04: Power Off from Diagnosis Mode of IF CON
05: Forced Power Off by the User
06: Power Off by Power Supply Voltage Monitor
4-3.
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
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
_
0. (Quit)
Quit the Syscon Diagnosis and return to the Test Mode Menu.
1. (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 judg-
ment through a visual check to the result, the following screen is
displayed for the key entry.
items are checked successively one after another automatically
unless an error is found, but at a certain item that requires judg-
ment 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 = xxxx
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
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press
>
key to go to the next item,
or
.
key to repeat the same check again.
24
DVP-CX777ES
To quit the diagnosis and return to the Check Menu screen,
press
press
x
or
[ENTER]
key. If an error occurred, the diagnosis is
suspended and the error code is displayed as shown below.
### Syscon Diagnosis ###
3-2. EEPROM Check
Error 03 : EEPROM Write/Read 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
.
key to repeat the same
item where an error occurred, or
>
key to continue the check
from the item next to faulty item.
* In “All item continuous check”, pressing stop or enter will not
quit the diagnosis.
Selecting
[2]
and subsequent items call the submenu screen of
each item. When “———” is displayed in the submenu, it means
that the test is not supported in the model.
that the test is not supported in the model.
For example, if “5. Supply” is selected, the following submenu
will be displayed.
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 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
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 “General Description of
Checking Method” and “Check Items List”.
For the contents of each submenu, see “General Description of
Checking Method” and “Check Items List”.
General Description of Checking Method
2. Version
2. Version
(2-2) Revision
ROM revision number is displayed.
Error: Not detected.
The revision number defined in the source file is displayed
with four digits.
Error: Not detected.
The revision number defined in the source file is displayed
with four digits.
(2-3) ROM Check Sum
Check sum is calculated.
Error: Not detected.
8-bit data are added up to the ROM address 0x000F0000 to
0x002EFFFF, and the result is displayed with 4-digit hexa-
decimal number. Error is not detected. Compare the result
with the specified value.
Error: Not detected.
8-bit data are added up to the ROM address 0x000F0000 to
0x002EFFFF, and the result is displayed with 4-digit hexa-
decimal 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 the EEPROM is displayed with
2-digit hexadecimal number.
Error: Not detected.
The model code read from the EEPROM 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 dis-
played.
Error: Not detected.
The region code determined from the model code is dis-
played.
(2-6) M’t Check
Mount resistance is checked.
Error 22: The region code does not accord.
Check whether the region code that is deduced from model
resistance and destination resistance accords with the re-
gion code that is deduced from region resistance value.
Error 22: The region code does not accord.
Check whether the region code that is deduced from model
resistance and destination resistance accords with the re-
gion code that is deduced from region resistance value.
3. Peripheral
(3-2) EEPROM Check
Data write
t read, and accord check
Error 03: EEPROM write/read discord
0x9249, 0x2942 and 0x4294 are written to the address 0x00
to 0xFF of the EEPROM and then read for checking. Be-
fore writing, the data are saved, then after checking, they
are written to restore the contents of EEPROM.
0x9249, 0x2942 and 0x4294 are written to the address 0x00
to 0xFF of the EEPROM and then read for checking. Be-
fore writing, the data are saved, then after checking, they
are written to restore the contents of EEPROM.
(3-3) Gate Array Check
Data write
→ read, and accord check
Error 02: Gate Array write/read discord
Data of 0x00 to 0xFF is written sequentialy to the address
0xF and then read for checking.
Data of 0x00 to 0xFF is written sequentialy to the address
0xF and then read for checking.
(3-4) NAND FLASH Check
Data delete
→ write → read, and accord check
Error 04: delete error
Error 05: write error
Error 06: read data discord
Error 21: more than ten blocks are defective
Deleting, writing and checking read data are executed to
the zeroth block of Flash memory.
If any detective block is found, the address is displayed.
When more than ten blocks are defective, it is considered
as an error.
Error 05: write error
Error 06: read data discord
Error 21: more than ten blocks are defective
Deleting, writing and checking read data are executed to
the zeroth block of Flash memory.
If any detective block is found, the address is displayed.
When more than ten blocks are defective, it is considered
as an error.
(3-5) SACD Check
Device reset
t internal organs RAM check.
Error 50: Write and read data discord.
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