7
4. SERVICE MODE
Microprocessor (IC28), DSP(IC20 )Version and FLD Segment Check Mode.
1. While the power is on,
MULTI
,
EXIT
and
7.1CH INPUT
buttons simultaneously more than 3 seconds.
The FL display shows "SERVICE MODE" for 2 seconds then shows the model name.
2. Press
MULTI
button, The software version of the microprocessor (IC28) is displayed in the format below.
3. Press
MULTI
button again, The software Type Number is displayed.
4. Press
MULTI
button again, The Code Group Type Number is displayed.
5. Press
MULTI
button again, The left half, right half and center of the label area in the FLD light on and off each other.
6. Press
MULTI
button again, The segments of the character area in the FLD flick in checker pattern.
7. Press
MULTI
button again, All the FL segments turns off.
8. Press
MULTI
button again. Every time
MULTI
button is pressed, DSP code is indicated in turn from NO.1 to NO.10.
9. Press
MULTI
button again to quit this mode.
Note:
Step4, 5 is to check if CPU software is capable of DSP code. "Software Type No" is to show what "DSP Code Group"
CPU is capable of. And vice versa.
Step 8 is to manage the 16 codes for DSP.
• When the unit is once turned into Service Mode, the unit keeps this mode until the main power is turned off.
(Turning into stand-by mode does not make it quit from Service Mode.) When the unit quits from Service Mode,
Information in the memory is also cleared and the unit returns to the status when it is out from the factory.
Product Reset
To reset the back up memory of the unit into the default status, follow the procedure below.
1. Turn of the unit and press
7.1CH INPUT
and
MULTI
button simultaneously more than 1.5 seconds.
2. After "DEFAULT" is displayed on FLD, power is turned off once and turned of again, EEPROM is cleared to the default
status, microprocessor is reset and the unit returns to the normal status. (Software Serial Number will not be cleared.)
Note:
When the unit is shipped from the factory, the procedure above must be done to set the unit to initial status after the
tests.
S
E
R
V
I
C
E
M
O
D
E
S
R
5
6
0
0
V
0
4
0
6
2
4
I
U
Month
Date
Dest.
(Dest. : Destination)
Year
S
O
F
T
T
Y
P
E
X
X
(XX is displayed in Hex)
C
O
D
E
T
Y
P
E
X
X
X
X
(XXXX is displayed in Hex)
C
D
0
1
0
1
0
2
0
1
0
1
SIG
Dev.
TYP
Ver.
No.
No. : DISP CODE ID Dev. : Device ID SIG. : CODE SIG ID
TYP. : CODE TYPE ID Ver. : Version
Содержание SR5600
Страница 18: ...18 17 8 BLOCK DIAGRAM...
Страница 19: ...19 20 9 SCHEMATIC DIAGRAM INPUT PWB...
Страница 20: ...22 21 DSP PWB 1 2...
Страница 21: ...23 24 SR5600 SR5600 DSP PWB 2 2...
Страница 23: ...27 28 VIDEO PWB...
Страница 24: ...30 29 COMPONENT PWB...
Страница 25: ...31 32 VIDEO CONVERTER PWB...
Страница 26: ...34 33 AMP PWB...
Страница 27: ...35 36 POWER PWB...
Страница 31: ...43 44 DSP PWB B IC20 IC35 Lead free Solder When soldering use the Lead free Solder Sn Ag Cu...
Страница 35: ...51 11 IC DATA IC21 TC9162 3 4...
Страница 36: ...52 IC21 TC9162 3 4...
Страница 37: ...53 IC22 TC9273 IC24 TC9499...
Страница 38: ...54 IC12 TC90A49F...
Страница 39: ...55 IC14 TA1270BF...
Страница 41: ...57 IC16 CS4382...
Страница 42: ...58 IC16 CS4382...
Страница 46: ...62 IC78 LC74781...
