Pioneer SC-LX901(B)/MDC User manual

Service
Manual
ⓒOnkyo & Pioneer Corporation 2016
This service manual is intended for qualified service technicians; it is not meant
for the casual do-it-yourselfer. Qualified technicians have the necessary test
equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the
product and may void the warranty. If you are not qualified to perform the repair
of this product properly and safely, you should not risk trying to do so and refer
the repair to a qualified service technician.
O-4584
ORDER NO.
ARP4012
TITLE PAGE
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S)
AND TYPE(S).
Model Type Power Requirement Remarks
SC-LX901(B) MDC AC 120 V -----
SC-LX901(B) MGP AC 220 V to 230 V -----
SC-LX901(B) MHB AC 220 V to 230 V / 240 V -----
SC-LX901(S) MGP AC 220 V to 230 V -----
AV RECEIVER
SC-LX901(B)/MDC
SC-LX901(B),(S)/MGP
SC-LX901(B)/MHB
SC-LX901

543
2
1 6
D
C
A
B
D
C
A
B
543
2
16
How to read suffix code of this model
COMMON
Note for suffix code
The following is explanation for the suffix code.
S C - L X 5 0 1 ( B ) M D C
Model No.
120V AC D
220～230V G
220～230／240V H
100V AC J
220～240V AC M
230V AC P
100～240V AC U
110～240V V
120V／220～240V W
Speaker System (without AMP.) :
Passive Subwoofer 0
Front Speaker F
Center Speaker C
Rear Speaker R
Back Speaker B
Voltage
Voltage
The suffix code of each model is mentioned in serial
number label as per below.
Malaysia M
China C
Japan U
Others W
Production factory
Production factory
Black B
Brown BR
Cherry C
Gold G
Green GR
Gray H
Black K
Blue L
Light Blue LB
Wood M
Orange O
Pink P
Red R
Silver S
Violet V
White W
Yellow Y
Color
Color
Destination
Destination

Australia A
United Kingdom B
North American C
USA D
Taiwan F
Japan J
Korea K
Russia L
Europe P
Hong Kong Q
China R
Brazil S
Thai T
Worldwide U
Speaker System (without AMP.) :
Left channel L
Right channel R
Center channel 0

Panel
SC-LX901
1
A
B
C
D
E
23456
123456
A
B
C
D
E
Rear Panel
Front Panel Remote Control Unit
RC-927R
Accessory
1. Remote controller (RC-927R) ×1
Batteries (AAA/R03) ×2
2. Indoor FM antenna ×1
3. AM loop antenna ×1
4. Speaker setup microphone ×1
5. Power cord ×1
Dimensions (W × H × D) : 435 mm × 185 mm × 441 mm (17-1/8" × 7-5/16" × 17-1/3")
Weight : 18.0 kg (39.7 lbs.) (North American), 18.3 kg (40.3 lbs.) (Others)

Reset
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX501/LX701
SC-LX801/LX901
How to Reset the Unit
Step1. STORE (To save user preferences.)
While pressing [HOME MENU] button, press [ENTER] button twice.
Step2. RESET
While pressing [AUTO DIRECT] button, press [STANDBY/ON] button.
※) ”Clear” appears on the display and the unit returns to standby. Do
not unplug the power cord until “Clear” disappears from the
display.
Step3. RECALL (To load user preferences.)
While pressing [RETURN] button, press [HOME MENU] button twice.

Protection
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX801/SC-LX901
Process List
Item
(signal name) Detection Method Status of Equipment Warning Indication Service
information
display
Recovery
Procedure
DC detection
(XDCERR)
Observe with 20 msec
interval and Decide by 2
times continuously low level
detection.
Case A) When detect XDCERR continuously after previously shutdown by XDCERR.
(At the start of power on)
1) MUTE on and Speaker Relay off.
2) Flashes “AMP ERR”.
3) Shuts down when abnormality continues for more than 3 seconds.
*Operation (except recovery procedure) is disabled.
Case B) When detect XDCERR while normal operation.
1) MUTE on and Speaker Relay off.
2) Flashes “AMP ERR”.
3) Shuts down when abnormality continues for more than 3 seconds.
*Operation (except recovery procedure) is disabled for 1 minute.
Case A)
Blinks MCACC LED indicator.
Case B)
Blinks FLOFF LED indicator.
DC ↓(TuneDown) + Zone2 ON/OFF(long press)
Over Current
Detection
(XOLERR)
Observe with 20 msec
interval and Decide by low
level detection. Shut down Blinks Wireless LED indicator. OL POWER ON
Combination of DC
and Overcurrent
Decide by Over Current
detection within 3 seconds
after DC detection. Shut down Blinks Wireless LED indicator. COM POWER ON
Overheat
Detection
(TEMPERR5)
Observe with 20 msec
interval and Decide by 2
times continuously low level
detection.
1) Flashes “AMP OVERHEAT”.
2) Shuts down when abnormality continues for more than 3 seconds.
*Operation (except recovery procedure) is disabled for 1 minute. Blinks FLOFF LED indicator. STMP ↓(TuneDown) + Zone2 ON/OFF(long press)
XVDDERR failure
Detection
(XVDDERR)
Observe with 20 msec
interval and Decide by 10
times continuously low level
detection.
Shut down Blinks Wireless LED indicator. DERR POWER ON
Amplifier Power
Supply Failure
Detection
(XBERR)
A/D conversion with 5 msec
interval and Decide by 8
times continuously low level
detection.
Shut down
*Operation (except recovery procedure) is disabled. Blinks MCACC LED indicator. BERR ↓(TuneDown) + Zone2 ON/OFF(long press)
AC Pulse failure
Detection
(ACWP)
Observe with 1~ 2 msec
interval.
1) There are no change of signal(low or high) among 32 msec.
Turn on the mute.
2) There are change of signal among 32msec to 42msec.
Turn off the mute and reset the count.
3) There are no change of signal among 42msec.
Shutdown.
N/A N/A POWER ON
Fan Abnormality
Detection
(XFANERR)
Observe with 20 msec
interval and Decide by 2
times continuously low level
detection.
1) Flashes “FAN STOP”.
2) Shuts down when abnormality continues for more than 3 seconds. Blinks Wireless LED indicator. FAN POWER ON

Protection
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX801/SC-LX901
Service information ( Detected protection history )
Purpose
The number of detections for various protection processes are displayed.
How to enter to service information mode.
Step1 :
[DIMMER] + [ON/STANDBY] x 2
Step2 :
[HOME]
Step3 :
[TUNE UP] or [TUNE DOWN]
How to exit the service information mode.
Step :
[INFO]
How to initialize the data in the service information.
Step :
[RETURN]
*Unit will once become standby and then turn on again automatically.
M1.xx / xxxxxAEx
P
r
o
t
e
c
t
D
a
t
a
C
L
R
D
C
:
*
*
D
E
R
R
:
*
*
C
O
M
:
*
*
S
T
M
P
:
*
*
The version of main microprocessor.
D
C
:
*
*
D
E
R
R
:
*
*
[TUNE UP] [TUNE DOWN]
DC : DC Detection DERR : XVDDERR
failure Detection
Count of each protect
OL : Over Current
Detection BERR :Amplifier Power Supply Failure Detection
COM : Combination
of DC & Overcurrent STMP : Overheat Detection
O
L
:
*
*
B
E
R
R
:
*
*
F
A
N
:
*
*
N
o
r
m
a
l
D
i
s
p
l
a
y

Protection
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX801/SC-LX901
Detection circuit
DC Detection
DC_DETECT3
DC_DETECT4
DC_DETECT2
T4100
7G17C-220M
PWM2
DC_DETECT1
C4013 180J CH
GND_DC
GND_DC
GND_DC
GND_DC
GND_DC
GND
HN1C01FU
Q4027
HN1C01FU
Q4028 1
2
3
E2
4
6
Q4021
2SC4081
2SA1576A
Q4020
100
R4040
47k
R4032
47k
R4033
47k
R4066
470k
R4026
100
R4864
10
V+5V_S
DC_DETECT1
DC_DETECT3
DC_DETECT2
DC_DETECT4
DCdetRY
DC DETECT
CIRCUIT
RF071M2S
9
10
12
14
13
15
16
IRF6775MPBF
1
2
4
5
6
7
R4132
11k
V+64V
V-64V
R4023
120
R4068
C4028
NM
C2
5 B2 B1
C1 E1
GND_DC
1
2
34
6
5
R4079
18k
C4053
100u/16V
R4078
18k
C4052
100u/16V
R4027
18k
C4010
100u/16V
HN1C01FU
Q4014 1
2
34
6
5
HN1C01FU
Q4016 1
2
34
6
5
R4090
18k
C4036
100u/16V
Q4201
Q4202 !
!
!
!
Q4401
Q4402 !
Q4301
Q4302 !
Q4801
Q4802 !
Q4901
Q4902 !
Q4701
Q4702 !
100k
R4177
100k
R4133
3
1
2
4
5
6
7
3
10k
R4134
7.5k
R4135
R4137
10
Q4101
R4186
100
D4117
18u/50V
C4134
2.4k
R4136
WK73R2HTTE100J
R4142
101K
C4159
2.2
R4197
1.8
R4196
473K 100V
C4161
220k
R4157
473K 100V
C4175
2.2
R4198
101K
C4160
WK73R2HTTE100J
R4143
Q4102
IRF6775MPBF
Q5101
IRS2092STRPBF
DRIVER
11
8
6
7
5
4
3
2
1 VAA
GND
IN-
COMP
CSD
VSS
VREF
OCSET
CSH
VB
HO
VS
VCC
LO
COM
DT
R4189
150
R4129
2.2k
103J
C4111
103J
C4122
2.7k
R4126
10k
R6475
V-5V_CSD V-5VFILT2 GNDS
VSS+12V
10k
R4130
R4140
10
10
R6438
1
R6439
DZ2J130M0L
D4102
R4109
330
104K
C4112
104K
C4147
104K
C4113
Q4131 2SC2412K-R
!
9.1k
R4131
4.7
R4138
CMH07
D4118
1
R4139 1
R4193
18u/50V
C4136
R4141
10
XDCERR
UCOM
Q1610
BAETC-2163
-4
P7001A
-20
XDCERR
P7001B
-11
P1602B
-20
XDCERR
BAETC-2203
P1602A
-20
130
BAPRC-2072
-18
P4000A P4000B
BACLD-2095 (1/7)
BACLD-2095 (2/7) BACLD-
2095 (3/7) BACLD- 2095 (6/7)
BACLD-
2095 (5/7)
BACLD-2095
DC_DETECT5
Q4601
Q4602 !
Q4501
Q4502 !
BACLD-
2095 (4/7)
HN1C01FU
Q4029 1
2
3
E2
4
6
DC_DETECT5
C2
5 B2 B1
C1 E1
GND_DC
R4000
18k
C4008
100u/16V
HN1C01FU
Q4033 1
2
3
E2
4
6
DC_DETECT6
C2
5 B2 B1
C1 E1
GND_DC
R4011
18k
C4071
100u/16V
DC_DETECT6
Q6601
Q6602 !
Q6501
Q6502 !
BACLD-
2095 (7/7)

Protection
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX801/SC-LX901
Detection circuit
Over Current Detection of MOS FET in Output Stage
AMPOVERLOAD
T4100
7G17C-220M
PWM2
RF071M2S
9
10
12
14
13
15
16
IRF6775MPBF
1
2
4
5
6
7
R4132
11k
V+64V
V-64V
!
!
!
Q4401
Q4402 !
Q4301
Q4302 !
Q4801
Q4802 !
Q4901
Q4902 !
Q4601
Q4602 !
100k
R4177
100k
R4133
3
1
2
4
5
6
7
3
10k
R4134
7.5k
R4135
R4137
10
Q4101
R4186
100
D4117
18u/50V
C4134
2.4k
R4136
WK73R2HTTE100J
R4142
101K
C4159
2.2
R4197
1.8
R4196
473K 100V
C4161
473K 100V
C4175
2.2
R4198
101K
C4160
WK73R2HTTE100J
R4143
Q4102
IRF6775MPBF
Q5101
IRS2092STRPBF
DRIVER
11
8
6
7
5
4
3
2
1 VAA
GND
IN-
COMP
CSD
VSS
VREF
OCSET
CSH
VB
HO
VS
VCC
LO
COM
DT
R4189
150
R4129
2.2k
103J
C4111
103J
C4122
2.7k
R4126
10k
R6475
V-5V_CSD V-5VFILT2 GNDS
VSS+12V
10k
R4130
R4140
10
10
R6438
1
R6439
DZ2J130M0L
D4102
R4109
330
104K
C4112
104K
C4147
104K
C4113
Q4131 2SC2412K-R
!
9.1k
R4131
4.7
R4138
CMH07
D4118
1
R4139 1
R4193
18u/50V
C4136
R4141
10
Q4201
Q4202 !
C4100
104J
GNDP
R4155
100k
R4153
47k
1SS355
D4119
1
R6412
103K
C4156
R6411
R4152 68k
101J
C4157
24k
R4156
10/5W
R4154
R4104
AMPOVERLOAD AMPOVERLOAD AMPOVERLOAD
AMPOVERLOAD XOLERR
-5
P4000A
R4044
1.5k
101J
C4021
V+5V_S
R4043
100
UCOM
Q1610
BAETC-2163
-17
P7001A
-12
XOLERR
P7001B
-19
P1602B
-12
XOLERR
BAETC-2203
P1602A
-12
129
BAPRC-2072
P4000B
BACLD-2095 (2/7) BACLD-
2095 (3/7) BACLD- 2095 (6/7)
BACLD-
2095 (4/7)
BACLD-2095
47k
R4045
Q4701
Q4702 !
AMPOVERLOAD
BACLD-
2095 (5/7)
Q4501
Q4502 !
Q6601
Q6602 !
Q6501
Q6502 !
AMPOVERLOAD
BACLD-
2095 (6/7)

Protection
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX801/SC-LX901
Detection circuit
Fan Abnormality Detection
P5852B
V+FAN
V-FAN
LOCK DET
-13.5V
+13.5V
FANCTLL
C7215 C7219
47u/25V
C7221
C7222
471K CH
101J
102J
C7224
C7294
471K CH
C7295
102J CH
C7203 331J
101J
D7216
1SR154-400
D7215
D7221
1SS355
D7200
1SS355
D7219
L7201
BLM11A121S
GND_MD
Q7226
DTC124EUA
DTC124EUA
Q7225
DTC124EUA
Q7223
DTA124EUA
Q7224
DTA143EUA
Q7222
Q7212
R7222
100k
R7225
100k
R7211 R7213
R7227
R7215
47k
R7221
22k
V+8_MD
FANCTLH
1SS355
1SR154-400
100k
C7223
102J
R7226
1M
C7296
102J
C7297
102J
Q7221
DTC124EUA
R7223
1M
FANERR
FANCTLL
FANCTLH
Power Supply for
COOLING FAN
D7217
PTZ22B
D7218
PTZ22B
C7217
103K
C7218
103K
C7213
220u16V
C7214
220u16V
10u / 50V
10u / 50V
C7204 331J
D7213 DZ2J075M0L
D7214 DZ2J075M0L R7214
15
R7212
15
2SB1569A-D
2SD2400A-D
Q7211
!
!
1SR154-400
D7211
1SR154-400
D7212
C7220
C7216
1k
1k
Q7206 DTA124EUA
Q7207
DTC124EUA
Q7204
DTC124EUA
Q7203 DTC124EUA
Q7205
DTA124EUA
BAPS-2089
BAETC-
2201
-1
P7002B
-2
-3
UCOM
Q1610
193
BAETC-
2163
P7001A
BAPRC-
2072
XVDDERR
P1602A
P7002A
FAN V+FAN V-FAN
OFF 0V 0V
LOW -0.7V -6.5V
HIGH +6.5V -6.5V
-3-5-4
-4 -5 -3
-5-6-7
XFANERR FANCTLL FANCTLH
-5-6-7
XFANERR FANCTRL
-26
-24
-25
BAETC-
2203
P1602B
P7001B 24 25 26
-5-6-7
XFANERR FANCTLL FANCTLH
BAETC-
2200
P5852A
-1
-2
-3
P7151B P7151A
-1
-3
-2
XFANERR
FANCTLL
FANCTLH

Protection
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX801/SC-LX901
Detection circuit
Overheat Detection
TEMP_OUT TEMP_OUT TEMP_OUT TEMP_OUT
GND_TP
GND_TP
Q4411
2SA1576A
Q4311
2SA1576A
R4380
10k
R4480
10k
GND_TP
GND_TP
Q4511
2SA1576A
Q4611
2SA1576A
R4580
10k
R4680
10k
GND_TP
Q4711
2SA1576A
R4780
10k
-17
C4024
100u 10u
C4023
10u
C4040 226
C4022
222J
R5031 D4005 R5032
100 1SS355 100
GND_TP
GND_TP GND_TP GND_TP
GND_TP
Q4051
TA76L431FB
Q4052
BU7262SFVM
54
68 7
+V
Q4052
BU7262SFVM
34 R4064
21
R4024
100
R4094
2.2k
R4056
470k
R4022 100
47k
R4054
3.3k
R4025
100
R4055
22k
R4097
R4058 68k
R4060
33k 1% 56k 1%
R4057
470
R5033
12
R4059 R5162
12
R4062
3.3k
100
R4061
R4021 220
V+5V_S
TEMP_OUT
R5165
10
!
!
C4151 103K
GND_TP2
GND_TP
GND_TP
GND_TP2
GND_TP2
GND_TP
GND_TP2
Q4108
2SC4081
Q4208
2SC4081
Q4110
2SA1514K Q4111
Q4210
2SA1514K
Q4211
2SA1576A
R4266 R4267
10k 1% 1k 1%
R4275
10
22k
R4245
8.2k 1%
R4166
10k 1% R4167
1k 1%
22k
R4268
75k 1%
39k 1%
39k1%
R4263
2.7k 1%
R5142
3216
18k
75k 1%
R4163
2.7k 1%
R4145
8.2k 1%
2SC4081
10k
R4280
10k
R5141
18k
R4181 100k
VD2
V+5V_S
TEMP TEMP_OUT
Q4217
2SC4081
Q4117
R6462
15k
R6461
15k
GND_TP
C4012
C4011
GND
UCOM
Q1610
27
C4026
103J
C5185
TEMP DETECT
CIRCUIT
R4169
R4170
R4168
VD1
R4281 100k
R4270
R4269
R4180
2SA1576A
OVER HEAT
DETECT CIRCUIT
BACLD-2095 (1/7)
BACLD-2095 (2/7) BACLD-2095 (3/7) BACLD-2095 (4/7) BACLD-2095 (5/7)
BAETC-
2163
AMP_TEMP -16
P4000A P4000B
-6
-5
P7001A -13-19
TMPSD5
AMPTEMP
P7001B -18-12
P1602B -13-19
XTEMPERR5
AMPTEMP
BAETC-
2203
P1602A -13
-19
138128
BAPRC-2072
XTEMPERR5 TEMPERR5
AMPTEMP
BACLD-2096
NM
NM
TEMP_OUT
GND_TP
GND_TP
Q4911
2SA1576A
Q4811
2SA1576A
R4980
10k
R4880
10k
BACLD-2095 (6/7)
R6701
10
TEMP_OUT
GND_TP
GND_TP
Q6511
2SA1576A
Q6611
2SA1576A
R6580
10k
R6680
10k
BACLD-2095 (7/7)

Protection
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX801/SC-LX901
Detection circuit
XVDDERR Detection
AC Pulse failure Detection
UCOM
Q1610
BAETC-
2201
-15
P1603B
-21
XVDDERR
P1603A
-21
139
BAPRC-2073
P7602BP7604B
- 2
C5568 C5567
DZ2J056M0L
Q5562
2SC4081
R5569
100k
R5567
1.5k
2.2k
V+5_HD
Q7567
DTC124EUA
Q7566
DTA124EUA
D7561
V+5_EV
R5566
10
BAHDM-2086
V+5_USB_DC
101J
D5561
R5568
104K
R5570
10
R7622
1SS355 47k
V+36_FL
BADIS-2074
P7602A
XVDDERR
R7675
12
R7676
10
P7604A
- 4
VDDERR XVDDERR R7562
0-21
XVDDERR
XVDDERR
From TRANS
R9562
C9562
103K
C9561
101J
DZ2J033M0L
D9562
D9561
1SS355
50/60Hz +3.3V
0V
GNDV
S5 - 2
S5 - C
GNDV
R9561
3.9k
P5851B
BAPS-2092
-7 UCOM
Q1610
P1603A
BAPRC-2072
121
-22
ACWP ACWP
22K
P5851A
BAETC-2200
-7
ACWP
P7151A
BAETC-2201
-9
ACWP
P7151B
-18
P1603B
-22

Protection
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX801/SC-LX901
Detection circuit
Amplifier Power Supply Failure Detection
V -64V
V+64V
R5188
BACLD-2095
P4000A
- 6
UCOM
Q1610
P1602B
BAETC-
2203
P1602A
BAPRC-2072
-18
-18
XBERR
140
R4247
R5072
56k
GND_B
V+5V_S
V+5V_S
D4020
DZ2J270M0L
D4019
DZ2J240M0L
D4018
DZ2J240M0L
D4021
DZ2J180M0L
R5023
22k
R5039
2.2k
R5028
100
R5024
C4099
102J
D4015
DZ2J270M0L
D4014
DZ2J240M0L
D4013
DZ2J240M0L
D4017
DZ2J180M0L
R5015
22k
R5040
2.2k
R5027
100
R5016
C4098
102J
GND_B
R5022
68k
R5014
68k
R5012
100k
R5020
100k
GND_B
V+5V_S
GND_B
Q4023
2SC4081
100k
R4446
100
R5017
47k
R5029
10k
R5138
100
AMPOVERLOAD
R4020
1
R4096
1
D4022
1SS355
D4023
1SS355
R5139
100
R5140
100
XBERR
100k
R5018
56k
R5021
100k
R5013
220k
R4646
100
R5019
220k
R5054
100k
R4246
100
R5030
10k
Q4025
2SC4081
Q4022
2SC4081
Q4024
2SC3906K Q4026
2SA1576A
R5189
180
R5011
56k
P4000B
P7001A
BAETC-
2163
-16
-18
XBERR
P7001B -13
C4049
R4846
100k
100k
Q4030
2SA1576A
R5025
47k

Model and Destination
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
SC-LX501/LX701
SC-LX801/LX901
How to check model and destination
Step1 :
Set VOL Level = -42
Step2 :
[ RETURN ] + [ ON/STANDBY ] → [ DIMMER ] → [ TuneUP ] x 5
This list is MCU internal value,
And The destination code of this list,
it is different from Wi-Fi 5GHz setting Destination Code
Model Name Destination FL Display
SC-LX501 MDC DC L X 5 0 1
D C 3 4 0 0
SC-LX501 MGP/MHB xx L X 5 0 1
x x 2 4 1 0
SC-LX501 MJJ JJ L X 5 0 1
J J 2 4 2 0
SC-LX701 MDC DC L X 7 0 1
D C 3 6 0 0
SC-LX701 MGP/MHB xx L X 7 0 1
x x 2 6 1 0
SC-LX701 MJJ JJ L X 7 0 1
J J 2 6 2 0
SC-LX801 MDC DC L X 8 0 1
D C 3 7 0 0
SC-LX801 MGP xx L X 8 0 1
x x 2 7 1 0
SC-LX801 MJJ JJ L X 8 0 1
J J 2 7 2 0
SC-LX901 MDC DC L X 9 0 1
D C 3 8 0 0
SC-LX901 MGP/MHB xx L X 9 0 1
x x 2 8 1 0
SC-LX901 MJJ JJ L X 9 0 1
J J 2 8 2 0

WiFi 5GHz Setting
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
COMMON
Wireless LAN 5GHz Setting
IMPORTANT!!
Back Ground:
It is totally different from Radio Law at the each country on 5GHz band.
It means it is totally different from enabled Channel of 5GHz band at the each country.
We define the “Country Code” for 5GHz band.
You must set up the appropriate country code to the product.
Example;
Case1:
When you use the “P” destination products and bring move to Russia or Israel,
If you did not setup change country code and use in Russia and Israel,
You will be on the illegal Radio Law in Russia and Israel.
Case2;
When you use “C” or “D” destination product bring move to Japan or Taiwan,
If you did not setup change country code and use in Japan and Taiwan,
You will be on the illegal Radio Law in Japan and Taiwan.
Service Parts information:
The default country code is set on “Processing Circuit Board(PRC board)”.
You must make sure and set up the “Country Code“ when you replace the processing
circuit pc board ( i.e. BAPRC-2072 ).
Otherwise You and your customer should be on the illegal Radio Law and
IT HAS POSSIBILITY TO HAVE A RISK OF
PUNISHMENT FROM EACH COUNTRY GOVERNMENT.
If you did not make sure country code and no setup code and face any trouble,
We does not have any responsibility.
For setting up the Country Code,
Please ask the procedure of changing country code
to your distributer or our sales.
It is no described the procedure of changing Country Code on this Service Manual
If you have any trouble of unclear procedure for update country code,
Please contact our sales department.
PRC Board Default Value of Country Code
The PRC board is already set default Country Code by the representative destination.
To confirm the default country code, Please refer to the "How to read PRC Board part
number and Default value of Country Code"section.
Figure Country List (need to set up)

WiFi 5GHz Setting
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
COMMON
Wireless LAN 5GHz Setting
IMPOTANT!!
Make sure and Setup Country Code
You have to make sure country code for using or replacing “Processing Circuit PC
Board”.
It means that you have to make sure country code between using Processing Circuit
PC board( PRC Board) and your customer’s country code.
When it is not match PRC board default country code and customer’s country, you
have to setup Country Code.
Case3;
When you repair the “P” destination products and replace “P” destination PRC Board
and the customer live in UK, It is no necessary to setup Country Code
Because “P” destination PRC board already setup “EU” country code.
Match Country code
NO NECESSARY TO SETUP COUNTRY CODE
Case4;
When you repair the “P” destination products and replace “P” destination PRC board
and the customer live in Russia, It is necessary to setup Country Code
Because “P” destination PRC Board already setup “EU” country code.
However, the customer’s country code is “RU”. It means no match PRC Board code
and Customer’s code.
No Match Country code
NECESSARY TO SETUP COUNTRY CODE
Case5;
When you repair the “C” destination products and replace “C” destination PRC board
and the customer live in US, it is no necessary to setup Country Code
Because “C” destination PRC board already setup “US” country code.
Match Country code
NO NECESSARY TO SETUP COUNTRY CODE
Case6;
When you repair the “C” destination product and replace “C” destination PRC board
and the customer live in Taiwan, It is necessary to setup Country Code.
Because “C” destination PRC Board already setup “US” country code as default.
However, the customer’s country code is “TW”. It means no match PRC Board code
and the customer’s country code
No Match Country code
NECESSARY TO SETUP COUNTRY CODE
Customer: UK: EU PRC Board: EU
Customer: Russia: RU PRC Board: EU
Customer: US: US PRC Board: US
Customer: Taiwan: TW PRC Board: US

WiFi 5GHz Setting
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
COMMON
Wireless LAN 5GHz Country Code 1/2
Region Country Code
America
USA US
Canada US
Mexico US
Brazil US
Chile CL
Guatemala US
Puerto Rico US
Trinidad TT
Dominican Rep US
Argentina AR
Ecuador US
Paraguay PY
Colombia US
Guam US
Panama US
Costa Rica US
Uruguay UY
Peru PE
Region Country Code
Asia / Oceania
Japan JP
China CN
Hong Kong EU
Korea KR
Taiwan TW
Singapore SG
Malaysia MY
Philippines EU
Vietnam EU
Indonesia ID
Sri Lanka EU
Australia AU
New
Zealand AU
Thailand EU
India IN
Pakistan PK
Region Country Code
Middle East
UAE EU
Bahrain BH
Kuwait KW
Oman EU
Qatar QA
Lebanon EU
Jordan JO
Saudi Arabia EU

WiFi 5GHz Setting
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
COMMON
Wireless LAN 5GHz Country Code 2/2
Region Country Code
Europe / Africa
Germany EU
UK EU
France EU
Netherlands EU
Italy EU
Switzerland EU
Denmark EU
Sweden EU
Austria EU
Belgium EU
Spain EU
Norway EU
Finland EU
Czech EU
Israel IL
Ukraine EU
Hungary EU
Slovakia EU
Luxembourg EU
Turkey EU
Portugal EU
Malta EU
Latvia EU
Poland EU
Region Country Code
Europe / Africa
Cyprus EU
Estonia EU
Slovenia EU
Bulgaria EU
Greece EU
Romania EU
Lithuania EU
Serbia EU
Croatia EU
Ireland EU
Macedonia EU
Moldova EU
Russia RU
Andorra EU
Armenia EU
Azerbaijan EU
Belarus EU
Bosnia and
Herzegovina EU
Northern
Cyprus(Turkey) EU
Georgia EU
Iceland EU
Kazakhstan EU
Region Country Code
Europe / Africa
Liechtenstein EU
Monaco EU
Montenegro EU
San Marino EU
Vatican City EU
Kosovo EU
Kaliningrad(Russia) RU
Gibraltar(UK) EU
Canary
Islands(Spain) EU
Ceuta EU
Melilla EU
Morocco MA
Algeria EU
Tunisia TN
Egypt EG
Mauritius US
South Africa EU

WiFi 5GHz Setting
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
COMMON
How to read PRC Board part number and Default value of Country Code
1B5142072-1C801MDC
Board No.
701 : SC-LX701
801 : SC-LX801
901 : SC-LX901
PRC Board Default setting Country Code
Dst Code Main Country
C US North America
D US United State
S US Brazil
P EU Europe
B EU United Kingdom
Q EU Hong Kong
T EU Thai
L RU Russia
A AU Australia / New Zealand
R CN China
F TW Taiwan
K KR Korea
J JP Japan
Model Number Last 3 Digit Destination
Suffix No.

Firmware
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
How to check Firmware Version & Preparation of Update
SC-LX701/801/901
Step1 : [DIMMER] + [ON/STANDBY] x 2
Main Firmware Version will appear on the main unit’s display.
Step2 : [TUNE +1] ( Push Up Key 1 click)
NET Firmware Version will appear on the main unit’s display.
Step3 : [TUNE +2] (Push Up Key 2 click)
DSP1 Firmware Version will appear on the main unit’s display.
Step4 : [TUNE +3] (Push Up Key 3 click)
DSP2 Firmware Version will appear on the main unit’s display.
Step5 : [TUNE +4] (Push Up Key 4 click)
DSP2 Firmware Version will appear on the main unit’s display.
Step6 : [TUNE +5 ] (Push Up Key 5 click)
Video Firmware Version will appear on the main unit’s display.
Step7 : [TUNE +6] (Push Up Key 6 click)
OSD Firmware Version will appear on the main unit’s display.
Step8 : [TUNE +7 over] (Push Up Key 7 click over)
Return to Display Main Firmware Version ( Return Step1)
If [TUNE -] key is pressed, the order will be reversed.
[Preparation of Update]
1. Connect the USB storage device to your PC. If there is any data in the USB
storage device, remove it.
2. Download the firmware file (package file) from the service website normally
accessed.
Filename is as follows: PIOAVR1022******************.zip
Unzip the downloaded file. A following file is created.
PIOAVR1022**************.of0
PIOAVR1022**************.of1
PIOAVR1022**************.of2
PIOAVR1022**************.of3
PIOAVR1022**************.of4
3. Copy it to the USB storage device. Be careful not to copy the zip file.
4. Remove the USB storage device from your PC.

Firmware
543
2
1 6
D
C
A
B
D
C
A
B
543
2
1 6
How to Update (service mode) 1/2
SC-LX701/801/901
Overwriting is also possible.
1. Connect the USB storage to the USB port on the unit.
2. Turn on the unit. It takes some time to start after you switch on the unit.
Press: [DIMMER] + [ON/STANDBY] x 2
3. Press [RETURN] button, Then it is displayed as below
If you need each module of the firmware update, you can select the module by pressing
PRESET <and >button.
If you need change source NET or USB, you can select the source by pressing
TUNE UP and Down key
It should be updated firmware by selecting USB -> ALL normally.
Please do NOT choose T-SRV( it is test server)
USB -> ALL: ALL firmware update ( default )
USB -> DSP1: DSP1 firmware update
USB -> DSP2: DSP2 firmware update
USB -> DSP3: DSP3 firmware update
USB -> OSD: OSD firmware update
USB -> VMPU: VMPU firmware update
USB -> NET: NET firmware update
USB -> MMPU: Main MPU firmware update
USB -> WORK: Compare between AVR and USB, Only update new version firmware
NET -> ALL: ALL firmware update ( default )
NET -> DSP1: DSP1 firmware update
NET -> DSP2: DSP2 firmware update
NET -> DSP3: DSP3 firmware update
NET -> OSD: OSD firmware update
NET -> VMPU: VMPU firmware update
NET -> NET: NET firmware update
NET -> MMPU: Main MPU firmware update
NET -> WORK: Compare between AVR and server, Only update new version firmware
The default setting is “ ALL”
CAUTION: When you will update each module firmware,
you have to keep combination of firmware.