Sony HCD-SR1 Service Manual page 71

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[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.
TDV-520CSO (DVD-SL) : PART No. J-2501-236-A
LUV-P01 (CD)
TDV-540C (DVD-DL)
Note: Do not use exiting test disc for DVD.
[STARTING TEST MODE]
1. Press the @/1 button to turn the power on, and set the function
to DVD.
Press three buttons of A ,
2.
to enter the test mode.
3. It displays "SERVICE IN" on the fluorescent indicator tube,
and displays the Test Mode Menu on the monitor screen as
follows. (At the bottom of the menu screen, the model name
and revision number are displayed)
0. Syscon Diagnosis
1. Drive Auto Adjustment
2. Drive Manual Operation
3. Mecha Aging
4. Emergency History
5. Mecha Error History
6. Version Information
TE
L 13942296513
7. Video Level Adjustment
Model :DAV-xxx
Revision :x.xx
4. To execute each function, select the desired menu and press its
number on the remote commander (RM-SP320).
5. To release from test mode, press the
power off.
[OPERATING TEST MODE]
0. SYSCON DIAGNOSIS
The same contents as board detail check by serial interface can be
checked from the remote commander operation.
On the Test Mode Menu screen, press
commander, and the following Check Menu will be displayed.
### Syscon Diagnosis ###
0. Quit
1. All
2. Version
3. EEPROM
4. GPIO
5. SD Bus
6. Video
www
.
0-0. Quit
Quit the Syscon Diagnosis and return to the Test Mode Menu.
http://www.xiaoyu163.com
: PART No. 4-999-032-01
: PART No. J-2501-235-A
and [VOLUME+] simultaneously
x
Test Mode Menu
Exit: POWER Key
xx
@/1 button and turn the
[0]
key on the remote
Check Menu
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http://www.xiaoyu163.com
8
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.
• Example display
ROM Revision = 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
item, or press the
again.
To quit the diagnosis and return to Check Menu screen, press the
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3 6 7 1 3
[RETURN]
key on the remote commander to display Check Menu.
• Error occurred
If an error occurred, the diagnosis is suspended and error is displayed.
[RETURN]
Press the
diagnosis, or press the
an error occurred, or press the
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.
Check Items List:
0-2.
0-2-1. All
0-2-2. Revision
0-2-3. ROM Check Sum
0-2-4. Model Type
0-2-5. Region
0-3.
0-3-1. Sampling Check
0-3-2. Detail Check
0-4.
0-5.
0-6.
0-2. Version
u163 0-2-2. Revision
The revision number of ROM (IC205) that the program for
the DVD system processor (IC206) is stored.
.
0-2-3. ROM Check Sum
Check sum is calculated. (4 digits hexadecimal number)
HCD-SR1/SR2/SR3
2 9 9 4 2 8
### Syscon Diagnosis ###
Diag All Check
No.2 Version
2-2. Version
> button to go to the next
button to repeat the same operation
.
1 5 0 5 8 2 9 9 4
key on the remote commander to quit the
button to repeat the same check where
.
button to continue the check
>
Version
EEPROM Check
GP I/O Check
SD Bus Check
Video Check
m
co
9 9
2 8 9 9
3