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EN 40
5.
SACD 900
PM3394B
ch1: freq= 16.9MHz
ch1
1
CH1 1.00 V~
MTB20 0ns
SACD CLK
PM3394B
ch1: freq= 27.0MHz
ch1
1
CH1 1.00 V~
MTB20 0ns
27M_CLK
PM3394B
ch1: freq= 12.2MHz
ch1
1
CH1 1.00 V~
MTB50 0ns
PCM CLK_AV
Diagnostic Software Descriptions and Troubleshooting
ch1+
CL 06532152_017.eps
051200
ch1+
CL 06532152_018.eps
051200
ch1+
CL 06532152_019.eps
051200
PM3394B
ch1: freq= 8.50MHz
ch1
1
CH1 1.00 V~
MTB50 0ns
MACE CLK
5.9.5
Tests with Diagnostic Software Program
The SACD diagnostic program is included in the SACD
application software. This program permits to test a lot of
functions of the PCB. We group in this part the memory tests,
the general serial bus tests and the peripheral tests of the mono
board.
Start Up
Conditions
The units required are the switch mode power supply, the
mono board and the AV board. This is the minimum set up for
the diagnostic program, when testing memories and
peripherals. When using the Compair serial cable, pin 1602-2
is directly connected to GND and after powering on, the
diagnostic program will be started.
The other end of the service cable is connected to a PC serial
port. On the PC you need to open an HyperTerminal and
configure it as follows: 19200 b/s, 8 bits data, no parity, 1 stop
bit, no control flow.
Start the Diagnostic
When you switch on, the diagnostic checks the serial port in
both directions, followed by few other commands. Those are
done automatically during power up. The following message is
displayed on the HyperTerminal: "DVDv2 Diagnostic
Software version ...". Then the program is waiting that you
select a mode. Getting this screen means the Sti5505 can boot
from flash. The program is running and the service interface is
functioning. Enter the mode you wish to use. You can use
either the Menu mode or the Command mode. In the first mode,
the main menu appears, you can navigate into the menu
system and you can select the individual command, just type
the corresponding number to launch it. In the second mode,
just type the Ref.# number to do the test. When a Ref.#
command is available in the diagnostic program, it will be
explained as follow :
Ref.#
Command Name
At the end of the test, the diagnostic program will return "OK" if
the test is passed. Otherwise an error message will appear.
System Clock
ST_CLK is the system clock and is derived from the 27 MHz by
the internal PLL of the Sti5505 (pin137).
Name
Test point Frequency Level
ST_CLK F822
ch1+
CL 06532152_020.eps
051200
Remark
49.95 MHz
TTL
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