Host Pld; Host Bus; Rtc; Bri - Sony PCS-1500 Service Manual

4-2. Self-diagnostics Function
Diagnostics command (*1)
auto
(*1): The commands of this column execute continuously the commands that are shown in the right column.
(*2): The flowchart indexes that are shown in parenthesis ( ) show the commands that are used to diagnose the flowchart A-x again.
(*3): The iicwrite and iicread commands can be used after the diagnostics is suspended or canceled in the middle of diagnosing the
video block.
They cannot be used when the MENU ASIC or the target device is reset.
m
. Before using these self-diagnostics commands, inputting the following entries is required in order to
prepare to use the self-diagnostics software.
#install[|]7a0000↓
#diag[|]setVCPDRAMSize[|]4↓
. The commands that are listed above can be used independently but they may not work correctly
depending on the setting or trouble conditions. To diagnose the troubles without fail, enter
"#diag[|]auto↓", confirm that the system passes all the tests and perform diagnostics individually.
4-46
Diagnostics command (*2)
hostpld (A-1)
hostbus (A-2)
rtc (A-3)
power (A-4)
cameracontrol (A-5)
bri (A-6)
interrupt (A-10)
vcpram (A-7)
video (A-8)
sircs (A-11)
led (A-9)
userdata
setVCPDRAMSize
audio
pcmciaif_testcardmaker
pcmciaif
if-744
iicwrite (*3)
(*3)
iicread
Locations to be diagnosed)
Host PLD (IC110 and its peripheral)
SH-CPU bus of the 5 V, 3.3 V-2, and 5 V-2 blocks
Built-in real time clock of SH-3
Power ON/OFF diagnostics of the stand-by power
supply area
Camera control block (IC202 and its peripheral)
BRI block
Diagnostics of the interrupt signal lines
SRAM test of VCP (IC300)
Video encoder, decoder, VCP, MENU ASIC, video
pre-filter
Diagnostic of SIRCS transmitter/receiver blocks
Diagnostic of the POWER and STANDBY LED
indicators
Diagnostic of the USER DATA port (The tool needs to
be prepared.)
Specify 4 at all times.
Perform this setting before starting the self-diagnostics
Diagnostic of the audio block
audio[|]digital↓: diagnostics of digital part
audio[|]analog[|][1,3,4]↓: diagnostics of digital part
n
When you want to perform this diagnostics, the video
block must have been completed in advance.
Make the diagnostics card for PCMCIA I/F
Make diagnostics card for PCMCIA I/F using the
PCS-P150/P150P that is known to be working correctly
Diagnostics of PCMCIA I/F
Diagnostics of the BRI control and the memory of the IF-744
board
Writing into the device on the I 2
Reading from the device on the I
C bus
2
C bus
PCS-1500/1500P