9
S
E
R
V
I
C
E
M
O
D
E
S
R
8
5
0
0
V
0
4
0
8
0
5
1
U
Month
Date
Dest.
(Dest. : Destination)
Year
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
S
O
F
T
T
Y
P
E
X
X
(XX is displayed in Hex)
4. SERVICE MODE
Microprocessor (IC36), DSP(IC20 )Version and FLD Seg-
ment Check Mode.
1. While the power is on, PURE DIRECT, MRAC 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 ENTER button, The software version of the micro-
processor (IC36) is displayed in the format below.
3. Press ENTER button again, The software Serial Number
that is wirtten in the factory is displayed.
4. Press ENTER button again, The software Type Number
is displayed.
5. Press ENTER button again, The Code Group Type
Number is displayed.
6. Press ENTER button again, The left half, right half and
center of the label area in the FLD light on and off each
other.
7. Press ENTER button again, The segments of the char-
acter area in the FLD fl ick in checker pattern.
8. Press ENTER button again, All the FL segments turns
off.
9. Press ENTER button again. Every time ENTER button
is pressed, DSP code is indicated in turn from NO.1 to
NO.28.
M
Z
X
X
X
X
X
X
X
X
X
X
X
10. Press ENTER button again to quit this mode.
10
ENTER
ȜǿȳǛƠLJƢŵǵȸȓǹȢȸȉƸᚐᨊƞǕ
LJƢŵ
M
Z
X
X
X
X
X
X
X
X
X
X
X
6. ENTER
ȜǿȳǛƠLJƢŵ
FL
ᘙᅆƷӫŴŴɶځᢿ
Ўƕʩʝƴໜ༔ǛጮǓᡉƠLJƢŵ
7. ENTER
ȜǿȳǛƠLJƢŵ
FL
Ʒ
Character
ᢿЎƕໜ
๒ƠLJƢŵ
8. ENTER
ȜǿȳǛƠLJƢŵ
FL
ƕμෞ໊ƠLJƢŵ
9. ENTER
ȜǿȳǛƠLJƢŵ
ENTER
ȜǿȳǛƢࡇƴ
DSP Code ID
ƕ
NO.1
Ɣǒ
NO.28
LJưƴᘙᅆƞǕLJ
Ƣŵ
5. ENTER
ȜǿȳǛƠLJƢŵ
Code Group Type
ƕᘙᅆƞ
ǕLJƢŵ
4. ENTER
Ȝ ǿ ȳ Ǜ Ơ LJ Ƣŵ Ȟ Ǥ dz ȳᲢ
IC36
Უ Ʒ
Soft ware Type
ƕᘙᅆƞǕLJƢŵ
3.
ENTER
ȜǿȳǛƠLJƢŵئưƖᡂLjฎLjƷ
Software Serial No.
ƕᘙᅆƞǕLJƢ
2. ENTER
ȜǿȳǛƠLJƢŵȞǤdzȳᲢ
IC36
ᲣƷȐȸǸȧ
ȳƕഏƷǑƏƴᘙᅆƞǕLJƢŵ
4. SERVICE MODE
Microprocessor (IC36), DSP(IC20 )
Ʒ
Version
ᘙᅆӏƼ
FL
ໜ༔ǛᄩᛐƢǔȢȸȉưƢŵ
1.
ǻȃȈƷᩓเǛλǕLJƢŵ
PURE DIRECT
Ŵ
MRAC
Ŵ
7.1CH IN PUT
ƷȜǿȳǛӷƴኖ
3
ᅺˌɥƠLJƢŵ
“SERVICE MODE”
ƱᘙᅆƕЈLJƢŵƴኖ
2
ᅺࢸƴೞ
ᆔӸƕᘙᅆƞǕLJƢŵ
S
E
R
V
I
C
E
M
O
D
E
S
R
8
5
0
0
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
C
O
D
E
T
Y
P
E
X
X
X
X
(XXXX: Hex
)
S
O
F
T
T
Y
P
E
X
X
(XX: Hex
)
V
0
4
0
8
0
5
1
U
Month
Date
Dest.
Year
Summary of Contents for PS7500
Page 25: ...27 28 TO AUX1 PCB TO FRONT PCB TO INPUT PCB TO USB PCB TO INPUT PCB DSP PCB 2 2 ...
Page 27: ...31 32 CN82 AMP PCB ...
Page 33: ...43 44 to STANDBY PCB POWER PCB ...
Page 37: ...51 52 DSP PCB B IC20 Q112 IC16 Q125 DVI PCB IC17 IC11 IC12 IC16 IC18 Q104 Q103 Q102 Q101 ...
Page 39: ...55 56 FRONT PCB IC81 Q801 H P PCB TUNER PCB AUX1 PCB IC83 IC84 SBLR PCB Q103 ...
Page 48: ...68 IC38 IC39 DSP PCB TC74VHC157 ...
Page 50: ...70 IC23 INPUT PCB TC9162AN IC21 INPUT PCB TC9164AN ...
Page 51: ...71 IC23 INPUT PCB TC9162AN IC21 INPUT PCB TC9164AN ...
Page 52: ...72 IC11 IC12 VOLUME PCB TC9482 ...
Page 53: ...73 IC11 IC12 VOLUME PCB TC9482 ...
Page 61: ...81 IC23 DSP PCB CS4382 ...
Page 62: ...82 IC23 DSP PCB CS4382 ...
