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GSM TELEPHONE
SGH-C100
SERVICE
GSM TELEPHONE
Manual
CONTENTS
1.
Specification
2.
Exploded Views and Parts List
3.
Electrical Parts List
4.
Flow Chart of Troubleshooting
5.
Block Diagram
6.
PCB Diagrams
4. SGH-C100 Flow Chart of Troubleshooting
1.Pow er ON
'POW ER ON ' does not w ork
No
C heck the current
consum ption m ore than
100m A
D ow nload again
Yes
No
C heck the V oltage of the
Battery m ore than 3.3V
Charge the Battery
Yes
No
C heck the capacitor C236
close by U 200(M SD ) is
m ore than 3.2V
C heck to the path from CN 402 to
capacitor C236 close by U 200(M SD )
Yes
No
2.7V ¡´ C 234 of
U 200(M SD )
= 2.8V
C heck the M SD (U 200)
Yes
No
Check the T P222 of
U 200(M SD ) is high¡ 2.8V
C heck the C X805-31P(U 300)
Yes
C heck the initial operation
EN D
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SGH-C100 Flow Chart of Troubleshooting
2.Initial
Initial Failure
No
Check the R209 of
U 200 is 'H igh'
Check the U 200(M SD )
Yes
No
C heck the clock
signal's w ave at
R201(19.5M H z)
C heck the clock generation circuit
(related to U 200 and O SC200)
Yes
No
Check the T P234
3.9M H z w ave & T P220
is "H igh"
Check the U 200(M SD )
Yes
C heck the connections and initialization
using Factory T est Program
EN D
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SGH-C100 Flow Chart of Troubleshooting
3.Charging
* T est after connecting w ith B attery
: A ll 4 term inals in battery should be connected to the phone by using jum p-w ires.
Abnorm al charging part
Check the pin 17
of CN 402 is around
5V
No
Check the T A
Yes
C heck the pin 6 of
U 210 is "LO W "
No
Check the U 210
Yes
Check the pin 3 of
U 210 is "LOW "
No
Yes
Check the pin
3 of U 503 is
short to ground
Yes
C heck the connections of
4 term inals in battery
EN D
4-3
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SGH-C100 Flow Chart of Troubleshooting
4-4
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SGH-C100 Flow Chart of Troubleshooting
4.Sim
* T est w ith Sim
Phone can't access SIM card
Yes
No
Check the the voltage
at pin 1 & 5 of
C N 500 is 2.8V ?
Check the circuit related to
C N 500
Yes
No
C heck the C N 500's
Connection to SIM
card
Resolder CN 500
Yes
Check the circuit around U 301
(M EM O RY) and data stored in it
Yes
EN D
4-5
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SGH-C100 Flow Chart of Troubleshooting
4-6
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SGH-C100 Flow Chart of Troubleshooting
5.M icrophone Part
* C all w ith Sim before testing.
M icroPhone does not w ork
Yes
No
check the connection
from M IC500
Resolder M IC 500
Yes
No
check the voltage of
C214 ¡ˆ 2.0V
Check the path around M IC bias
circuit
Yes
C heck the Audio loopback by
board test program .
EN D
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SGH-C100 Flow Chart of Troubleshooting
4-8
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SGH-C100 Flow Chart of Troubleshooting
6.Receiver
* C all before testing.
Receiver does not w ork
No
Put 'sine w ave' from
8960, and Check the
pin 5,7 of U 502 is sine
w ave
Check U 200 and speak related
circuit
Yes
No
C heck the pin 3, 9 of
U 502 is sine w ave
C heck U 502 and soldering
Yes
No
Check the path from U 502 to
SPK 400
C heck the w ave of
C412 & C421
Yes
No
Is Speaker w orking ?
Replace the Speaker
Yes
EN D
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SGH-C100 Flow Chart of Troubleshooting
7.Speaker
* Play on 16-poly m elody before testing.
Receiver does not w ork
No
Check the pin1 of
U 500's clock ¡ 3.9M H z
C heck U 200
Yes
No
Check the pin17 & 18
of U 500 is around
audio signal ¡ 2V
C heck U 500
Yes
No
C heck the w ave of pin3
& 9 of U 502
Check U 502 and soldering
Yes
No
C heck the path from U 502 to
SPK 400
Check the w ave of
C 412 & C421
Yes
No
Replace the Speaker
Is Speaker w orking ?
Yes
EN D
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SGH-C100 Flow Chart of Troubleshooting
8.Key Data Input
Check the Initial O peration
Replace or A djust
C heck the K eypad &
D om Sheet
the K eypad & D om Sheet
Yes
No
'#pad'(See the picture
below ) is 'high'(¡
2.8V )
C heck U 300
Yes
No
W hen one of the key
is pushed, #pad is
'low '
Replace the D om Sheet O R
C heck if the V 402,403,404 are
opened
Yes
EN D
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SGH-C100 Flow Chart of Troubleshooting
9.Light
Backlight does not w ork
No
B acklight "O N " m ode in
the m enu?
Select backlight "ON " m ode
Yes
No
Check the voltage of
C403 ¡ˆ 9V ?
C heck the circuit related to U 402
Yes
No
LC D backlight on ?
Check the LC D
Yes
EN D
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SGH-C100 Flow Chart of Troubleshooting
10.GSM Receiver
RX O n
RF input : 37 CH
A m p. : -60 dBm
No
Pin1 of CN 100
¡ˆ-65dB m
C heck
C N 100
Yes
No
Pin9 of U 104
¡ˆ-65dB m
Resolder C133
Check the pin 9 of U 104
Yes
Pin7 of U 104
¡ˆ-65dBm
No
Check U 104
Yes
No
Pin11 of U 100
¡ˆ-65dB m
Check C 140 & L104
Yes
EN D
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SGH-C100 Flow Chart of Troubleshooting
11.GSM Transm itter
TX On
(Level : 5)
B attery V oltage : 3.8V
Pin 2 of
C N 100
¡ˆ30dB m
Pin 9 of U 104
¡ˆ30dB m
No
C heck the C N 100
No
Check the U 104
Yes
No
Pin 1 of U 103
¡ˆ30dB m
C heck the U 103
Yes
Pin 7 of U 102
¡ˆ30dB m
No
Check U 102
Yes
Pin64 of U 100
¡ˆ 9dB m
No
Check U 100
Yes
EN D
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SGH-C100 Flow Chart of Troubleshooting
12.DCS Receiver
RX O n
RF input : 698 CH
A m p. : -60 dBm
No
Pin1 of CN 100
¡ˆ-65dB m
C heck
C N 100
Yes
No
Pin9 of U 104
¡ˆ-65dB m
Resolder C133
Check the pin 9 of U 104
Yes
Pin11 of U 104
¡ˆ-65dBm
No
Check U 104
Yes
No
Pin13 of U 100
¡ˆ-65dB m
C heck C 121 & C 141 & L105
Yes
EN D
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SGH-C100 Flow Chart of Troubleshooting
13.DCS Transm itter
TX On
(Level : 0)
B attery V oltage : 3.8V
Pin 2 of
C N 100
¡2̂7dBm
Pin 9 of U 104
¡ˆ27dBm
No
Check the CN 100
No
Check the U 104
Yes
No
Pin 3 of U 103
¡ˆ27dBm
C heck the U 103
Yes
Pin 12 of U 102
¡2̂7dBm
No
Check U 102
Yes
Pin 1 of U 100
¡ˆ 9dBm
No
C heck U 100
Yes
EN D
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L106
56nH
U100
SGH-C100 Flow Chart of Troubleshooting
4-17
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2. SGH-C100 Exploded View and its Parts list
1.Cellular phone Exploded View
1-1
2
1
3
4
5
6
8
9
7
10
11
12
13
15
16
14
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SGH-C100 Exploded view and its Part list
2.Cellular phone Parts list
D escription
NO
1
1-1
SEC .CO D E
FRO N T CO V ER
G H 75-02873A
W IN DO W LC D
G H 72-07226A
2
M O T OR
G H 31-00055A
3
SPEA K ER
3001-001408
4
K EYPA D
G H 72-02933A
5
M A IN PBA
G H 92-01375A
6
LCD
G H 07-00315A
7
SCREW
6001-001645
8
M ET A L D O M E
G H 59-00695A
9
M IC H O LD ER
G H 73-01867A
10
M IC
G H 30-00020A
11
CO N N EC T OR C O V ER
G H 73-01868A
12
REA R C OV ER
G H 75-02874A
13
V O LU M E K EY
G H 75-02934A
14
SCREW
6001-001654
15
RF CO V ER
G H 73-01869A
16
BA T T ERY
G H 4300184A
REM A RK
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SGH-C100 Exploded view and its Part list
3.Test Jig (GH80-01809A)
3-1. RF Test Cable
3-2. Test Cable
(GH39-00182A)
3-3. Serial Cable
(GH39-00206A)
3-4. Pow er Supply Cable
3-5. DATA CABLE
(GH39-00203A)
3-6. TA
(GH44-00184A)
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3. SGH-C100 M AIN Electrical Parts List
SEC Code
Design
LOC
SEC Code
Design
LOC
SEC Code
Design
LOC
GH41-00413A
2203-000940
C132
2203-005065
C232
GH07-00315A
2203-000812
C133
2203-005065
C233
GH30-00020A
2203-000330
C134
2203-005664
C234
GH31-00055A
2203-005482
C135
2203-006090
C236
2203-005482
C101
2203-000812
C138
2203-005061
C237
2203-000386
C102
2203-000812
C139
2203-005065
C238
2203-000812
C103
2203-002677
C140
2203-000278
C240
2203-005482
C105
2203-001385
C141
2203-005061
C301
2203-005065
C106
2203-000438
C144
2203-005061
C303
2203-005482
C107
2203-005061
C201
2203-000359
C304
2203-000812
C108
2203-005482
C202
2203-005061
C305
2203-000311
C109
2203-000812
C203
2203-005482
C306
2203-000359
C110
2203-000812
C204
2203-005061
C307
2203-005482
C111
2203-005061
C205
2203-005061
C308
2203-001124
C112
2203-001383
C207
2203-000679
C310
2203-002443
C113
2203-000812
C209
2203-000679
C311
2203-005446
C114
2203-000278
C210
2203-005061
C312
2203-006195
C115
2203-000812
C212
2203-005065
C316
2203-001383
C116
2203-000278
C213
2203-006053
C400
2203-005571
C117
2404-001151
C214
2203-001412
C401
2203-000812
C118
2203-000654
C215
2203-001412
C402
2203-000386
C119
2203-001239
C216
2203-006183
C403
2203-000386
C120
2203-005061
C217
2203-000812
C404
2203-001383
C121
2203-005065
C218
2203-000812
C405
2203-000233
C122
2203-005061
C219
2203-000812
C406
2203-005482
C123
2203-005061
C220
2203-000812
C407
2203-000233
C124
2203-005061
C221
2203-000812
C408
2203-005482
C125
2203-006090
C223
2203-006053
C409
2203-000679
C126
2203-005482
C224
2203-006053
C410
2203-000679
C127
2203-005483
C225
2203-006053
C411
2203-005482
C128
2203-005061
C226
2203-000812
C412
2203-006306
C129
2503-001042
C227
2203-000812
C413
2203-000330
C130
2503-001042
C228
2203-000812
C414
2203-000940
C131
2503-001042
C231
2203-000812
C415
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SGH-C100 Electrical Parts List
SEC Code
Design
LOC
SEC Code
Design
LOC
SEC Code
Design
LOC
2203-006105
C416
2203-000233
C522
0601-001654
LED500
2203-000438
C417
2404-001151
C523
2801-004191
OSC200
2203-005061
C418
2203-006208
C524
2801-003856
OSC300
2203-000812
C419
2203-006208
C525
0505-001325
Q400
2203-000812
C420
3705-001287
CN100
0504-001012
Q500
2203-000812
C421
3710-001673
CN402
0504-001012
Q501
2203-000812
C422
3709-001187
CN500
2007-007142
R100
2203-000812
C423
3722-002026
CN502
2007-007142
R102
2203-000812
C424
0404-001189
D101
2007-000172
R103
2203-000812
C425
0401-001033
D301
2007-000172
R104
2203-000812
C426
0407-000115
D500
2007-001156
R105
2203-000812
C427
2703-002268
L100
2007-008117
R106
2203-000812
C428
2703-002313
L101
2007-008275
R107
2203-000254
C430
2703-002313
L102
2007-000171
R108
2404-001306
C431
2703-002497
L104
2007-007142
R109
2203-001598
C432
2703-002372
L105
2007-000172
R110
2203-006183
C433
2703-002269
L106
2007-007132
R111
2203-000278
C500
2703-001229
L200
2007-007318
R112
2203-005061
C501
3301-001208
L201
2007-007142
R113
2203-000233
C502
2703-002339
L400
2007-000982
R114
2203-000233
C503
2703-001881
L501
2007-000137
R115
2203-001405
C504
0604-001146
LED300
2007-000172
R116
2203-000654
C505
0601-001602
LED400
2007-000172
R117
2203-001405
C506
0601-001602
LED401
2007-000171
R118
2203-005061
C507
0601-001602
LED405
2007-000172
R120
2203-005061
C508
0601-001602
LED406
2007-007319
R121
2203-000438
C509
0601-001602
LED407
2007-001298
R122
2203-005061
C510
0601-001602
LED408
2007-007564
R123
2203-000812
C512
0601-001602
LED409
2007-001298
R124
2203-005148
C514
0601-001602
LED410
2007-007008
R125
2203-006090
C516
0601-001602
LED411
2007-000172
R126
2203-000812
C517
0601-001602
LED412
2007-001156
R127
2203-005509
C520
0601-001602
LED413
2007-007134
R128
2203-000233
C521
0601-001602
LED414
2007-000172
R129
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SGH-C100 Electrical Parts List
SEC Code
Design
LOC
SEC Code
Design
LOC
SEC Code
Design
LOC
2007-001298
R130
2007-001308
R419
1109-001274
U301
2007-000070
R131
2007-001308
R420
1203-002689
U308
2007-008275
R200
2007-001308
R421
1203-002860
U401
2007-000775
R201
2007-001308
R422
1203-002633
U402
2007-007092
R202
2007-007200
R430
1204-001960
U500
2007-000242
R203
2007-000162
R431
0504-001162
U501
2007-007766
R204
2007-000172
R500
1001-001183
U502
2007-007092
R205
2007-000172
R501
0504-001162
U503
2007-001335
R206
2007-000159
R502
2203-000278
U504
2007-000141
R207
2007-000156
R503
4302-001130
V200
2007-000171
R208
2007-000156
R504
1405-001093
V400
2007-000171
R209
2007-000932
R506
1405-001093
V401
2007-000137
R211
2007-007096
R507
1405-001082
V402
2007-000162
R212
2007-001313
R508
1405-001082
V403
2007-000171
R233
2007-001325
R509
1405-001082
V404
2007-001325
R300
2007-001319
R512
1405-001082
V406
2007-000170
R304
2007-000138
R513
1405-001082
V407
2007-000171
R305
2007-000566
R514
1405-001082
V409
2007-000173
R306
2007-000138
R515
1405-001082
V410
2007-000138
R310
2007-000171
R516
1405-001082
V411
2007-000138
R400
2007-000169
R517
1405-001082
V500
2011-001344
R401
2007-008117
R518
1405-001082
V501
2007-001295
R402
2007-000758
R519
3404-001152
VOL_DN
2007-007200
R403
2007-000148
R520
3404-001152
VOL_UP
2007-000138
R405
2007-000162
R521
0406-001167
ZD400
2007-000138
R406
1205-002218
U100
0406-001167
ZD401
2007-001308
R408
1201-002009
U101
0406-001169
ZD402
2007-001308
R409
1201-002017
U102
0404-001172
ZD403
2007-001308
R413
4709-001144
U103
0403-001446
ZD412
2007-001308
R414
2909-001200
U104
0406-001169
ZD501
2007-001308
R415
1204-002158
U200
GH42-00280A
2007-001308
R416
1209-001497
U202
3001-001408
2007-001308
R417
0504-001162
U210
2007-001308
R418
1205-002365
U300
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5. SG H -C 100 Block D iagram
Sleep Timer
Calibration
Timers
Clock
Enables
Annunciator
Keypad
Interface
Clock Generation and PLL
19.5
MHz
DSP Clock
ARM Clock
Pulse Width
Modulator
Clock for
Internal
Peripherals
ASB IRAM
Bus
External Bus Interface
DMA
Controller
Sys_Clk
AD0-AD23
D0-D15
CS1-CS7
Passive Color
or Monochrome
LCD Displays
status &
monitor
Viterbi
Cidex
Control
Port
DSP Core
Receive
Port
Codec
Port
SIM
Interface
LO
Gen
1900
Coupler
T/R Switch Controls
Serial control
Interface
PA Gain
Controller
DAC
CX77306
CX74017
Temp
Sensor
LO
Gen
D1
10bit SCF
Back-up
Battery
CTF
90
2's
comp
S
D2
Match
G
Match
G
Match/
Filter
Match/
Filter
CP
PFD
DAC
CMOS Bias Controller
10bit SCF
CTF
Audio
Drivers
CX20524
CTF
Audio
m
Inputs
u
x
LINE OUT+
LINE OUTSPKR O +
SPKR O MICBIAS
MIC IN +
MIC IN LINE IN+
LINE IN-
Diode Detector
SPKR
MIC
PGA
Voltage
References
Internal And
System
Low Drop Out
Regulators
(LDO)
RTC
Backup LDO
Mute
Switch
Low Speed
Serial Interface
Stereo
Audio Headset
m
u
x
Buffer
Battery
Charger
POR
Circuit
Power
Fet
Battery
Battery Pack
Size Resistor
SIM
CARD
SIM Interface
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2.8-4.2V
Debug Serial
Port
Frac - N S
Synthesizer
Battery
Serial Data
Services Port
T/R
Switch
Controls
2's DAC
S
Decoupling Capacitors
Trap &
Patch
T/R
Switch
DC
comp
DAI
Interrupt
Controller
DC
DC
ADC
8bit
ramp
sequencer
DAC
Audio
S
Digital
CODEC
serial Filters
Interface
ADC
Dual Port RAM
Serial Bus
Debug Port
DC
10bit
CX805
Timer
Antenna
SAWs
1800
burst
sequencer
Gendex
IrDA
Compatible
SDS Port
CTF
GPOs
GSM
Cyclic
Redundancy
Check
IrDA Pulse
Shaper
PGA
Tune &
General
Intra framePurpose
sequencer Outputs
Clock
Generation
GPIO Ports
Autobaud
S
osc
FLASH/SRAM
Memory
ARM Core
Keypad
Interface
Excape
Sequence/
Flow Control
CTF
ADC
FiR
Serial
Interface
ARM
Interrupt
Controller
PGA
ccxo tune
IROM
GPIO
A,B,C,D,E
S
Controrl Logic
Real Time
Clock
Modulator
32.768
KHz
900
ADC
RX
serial FiR
Interface
6. SG H -C 100 PCB Diagram s
C201
R233
C316
SH
9
6
3
PWR
RIGHT
R415
R420
LED410 V404
R418
R401
LED412
V403
R510
0
2
DOWN
CLEAR
R422
LED406
8
LED414
R417
5
LED408
UP
R413
R419
LED409
LED411
7
H6
6-1
SAMSUNG Proprietary-Contents may change without notice
This D ocum ent can not be used w ithout Sam sung's authorization
H2
R409
H3
LED500
LED401
MENU
1
C412
ZD402
R416
LED407 V402
LEFT
4
LED405
R421
LED413
*
R414
SEND
V501
C408
C407
C406
C405
C404
C428
C427
C426
C425
C424
C423
C422
C420
C419
C415
C414
C413
C417
V410
V409
C418
U403
SPK400
L501
C421
U308
OK
V500
C512
R515
C521
C522
R513
R310
D301
H1
LED400
C517
R516
R408
H4
1. M ain P C B Top D iagram
MIC500
ZD403
L400
C403
C516
R512
R518
C434
TDI
TDO
TMS
C236
TP205
TP204
TP222
TP220
C202
R209
GND1
TP302
TRST
TCLK
R519
C239
Q501
C523
C433
V200
C135
R129
C131
C514
C106
C515
TP230
TP233TP234
L200 C215
R207
C219
R208
C233
ZD412
R114
C234
R402R403 Q400
R126
R120
C125
C124
R116
C123
R115
C112
C432
C416
CN502
C232
C231
U402
U201
U200
C237 R300R517
C115
C220
C128
R128
C132
C238
C226
TP301
R514
R400
R308
C402
V401 V400
CN402
ZD401 ZD400
C401 R405
R200
C121
R106 C100
R112 R103
R107
U500
U301
U300
OSC300
C136
C117
U102
U103
U104
R504
C506
C507
U503
R206
R430
C142
C501 C525
R501
C504
C109 C102
R113 R109
R102 R130
C108
D101
C509 R509C510 C524
C116
R118
C114 L100
C240 C221
C213
C212
C217
R205
R202
C205
C210
C209
OSC200
L105
L104
R124
R127
C127
R117
C122
C214
R104 C107
L101
L102
U504
R125
C126
C134
U100
C105
C101
C223
C130
C224
C225
C204
C203
C113
R110
C111
C216
R203
CN500
C227
R521 C304C305
R431 C306
C144
C140 C141
R500 C502
C508
U101
C103
R108
C104
R111
R105
C129
R121
R123
C400
R100
C228 C110
C207R201
V411
R406
C310
C311
Q500
R508
R306
U501
R506
C218
U202
L201
V406
V407
C119
C118
R122
C137
ZD501
C500
C409 C410
U210
R304
C120
ANT_CONTACT
R520 R212
U502
L103
R131
CN100
L106
C133
R502
C505
C520 R503
C430
C503
C431
C513 C309R305 C308C302C303C307C301
C312
U401
R211
SAMSUNG Proprietary-Contents may change without notice
R204
VOL_DN
VOL_UP
C139C138
R507
LED300
This D ocum ent can not be used w ithout Sam sung's authorization
D500
6-2
C411
CON500
SG H -C100 P CB D iagram s
2. M ain P C B Bott
om D iagram
ELECTRONICS
¨ÏSam sung Electronics C o.,
Ltd. M AY. 2003
Printed in Korea.
This Service M anual is a property of Sam sung E lectronics Co.,Ltd.
Any unauthorized use of M anual can be punished under appli
cable
International and/or dom estic law .
C ode N o.: G H 68-03770A
BAS IC .
ELECTRONICS
¨ÏSamsung Electronics Co.,Ltd. MAY. 2003
Printed in Korea.
This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Code No.: GH68-03770A
BASIC.