Read Sony BMZ-K7D / CX-BK7 Service Manual online
29
CX-BK7
0-1. 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.
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.
• Example display
### Syscon Diagnosis ###
Diag All Check
No.2 Version
2-2. Version
ROM Reversion = X.XX
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 the
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press the
>
button to go to the next item,
or press the
.
button to repeat the same operation again.
To quit the diagnosis and return to Check Menu screen, press the
[RETURN]
key on the remote commander to display Check Menu.
• Error occurred
If an error occurred, the diagnosis is suspended and error is displayed.
Press the
Press the
[RETURN]
key on the remote commander to quit the
diagnosis, or press the
.
button to repeat the same check where
an error occurred, or press the
>
button to continue the check
from the item next to faulty item.
General Description of Checking Method
Selecting 2 and subsequent items calls the submenu screen of each
item. And selecting 2 and subsequent items executes respective
menus and outputs the results.
For the contents of each submenu, see “Check Items List” as below.
item. And selecting 2 and subsequent items executes respective
menus and outputs the results.
For the contents of each submenu, see “Check Items List” as below.
Check Items List:
0-2. Version
0-2-1. All
0-2-2. Version
0-2-3. ROM Check Sum
0-2-4. Model Type
0-2-5. Region
0-2-2. Version
0-2-3. ROM Check Sum
0-2-4. Model Type
0-2-5. Region
0-3.
EEPROM Check
0-3-1. Sampling Check
0-3-2. Detail Check
0-3-2. Detail Check
0-4. GP I/O Check
0-5. SD Bus Check
0-6.
0-5. SD Bus Check
0-6.
Video Check
0-2. Version
0-2-2. Version
The revision number of ROM IC204 that the program for
the DVD system processor (IC207) is stored.
(4 digits hexadecimal number)
the DVD system processor (IC207) is stored.
(4 digits hexadecimal number)
0-2-3. ROM Check Sum
The revision number of ROM IC204 that the program for
the DVD system processor (IC207) is stored.
the DVD system processor (IC207) is stored.
0-2-4. Model Type
Model name is displayed. (BMZ-K7D)
0-2-5. Region
Model destination code is displayed. (2 digits number)
0-3. EEPROM Check
0-3-1. Sampling Check
EEPROM check at every 64 words.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.
0-3-2. Detail Check
EEPROM check at every 1 word.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.
0-4. GP I/O Check
Pull up/down setting check of the DVD system processor (IC207)
pin 150, 151 and 154 (for clock setting port).
pin 150, 151 and 154 (for clock setting port).
0-5. SD Bus Check
SD bus data check between DVD decoder (IC701) and MPEG
decoder (IC207).
decoder (IC207).
0-6. Video Check
Output the color bars for video level adjustment.
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