Integra DTR-8.8, Руководство по обслуживанию

Страница: 177 / 314

DEBUG MODE-3
DTR-8.8
Trouble Shooting by Debug Mode (Continued)
Symptom on display Cause Check
Digit no
on FL
Flash ROM program is no good, upgrade.
Flash ROM or SDRAM is broken, replace.
Check connection between DSP and Flash ROM.
DSP setting is failured. Continue to display “26” to
“2F”
Flash ROM program is no good, upgrade.
Flash ROM or SDRAM is broken, replace.
Check connection between DSP and Flash ROM.
Clock freq. to DSP or Audio clock to DSP.
Flash ROM program is no good, upgrade.
Flash ROM or SDRAM is broken, replace.
Check connection between DSP and Flash ROM.
DSP program is no good or
Audio clock to DSP is no good.
DSP program is no good or
Audio clock to DSP is no good.
Continue to display “22” to
“24”
Continue to display “30” to
“33”
(Continued)
DSP Sequence is no good.
Connection from DIR to DSP is no good. Related devices from DIR to DSP.
Interface between DSP and MPU
is no good.
Interface between DSP and MPU
is no good.
Related devices from MPU to DSP.
Related devices from MPU to DSP.
Check connection between DSP and MPU.
Power supply pin, reset port and clock input of DSP.
Flash ROM program may be no good.
DSP or MPU is broken.
Flash ROM program is no good, upgrade.
DSPSDO pin of MPU.
Flash ROM or SDRAM is no good, replace.
DSP or MPU is broken, replace.
Flash ROM program is no good, upgrade.
Flash ROM or SDRAM is broken, replace.
Check connection between DSP and Flash ROM.
Flash ROM program is no good, upgrade.
Flash ROM or SDRAM is broken, replace.
Check connection between DSP and Flash ROM.
Flash ROM program is no good, upgrade.
Flash ROM or SDRAM is broken, replace.
Check connection between DSP and Flash ROM.
Clock freq. to DSP.
Communication between DSP and MPU
is no good.
Writing from MPU to DSP is no good.
DSP program is no good.
DSP program is no good.
DSP program is no good.
Press STANDBY/ON button while pushing.
VCR/DVR button when the unit is powered on.
Powered off during DSP program update.
This identifies IC which
outputs error Some IC outputs error to MPU.
Audio Selector, DSP, DIR & related devices.
10
Continue to display “1”
Continue to display “03”
Continue to display “05”
Continue to display “08”
Continue to display “17”
Display “21”, then return and
signal format indicator is
flashing
Continue to display “09” to
“0C”
Continue to display “2”
Continue to display “3” to ”7”
Continue to display “8” to ”F” Check - 15
20
items.
19 20
-
15 20
-