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25

Refer to waveform (2),(3),(4) in Waveform (P.51)

No

Yes

No

Confirm the waveform of reset signal at 
TP PWR_RST.
See the communication waveform (2)*. 

Yes

No

Confirm Flash and DDR memory data.

END

*

1 

Each IC103 has its own MAC address. 
When replacing the PCB , remove the former 
MAC address label from the bottom of the unit 
and affix the included label which indicates the 
new MAC address.

Related parts: IC401,R425,C445,C446,C459

No

Measure the frequency of clock signal at
Pin 1 of X101. Is it 25MHz?
See the communication waveform (3)*. 

Yes

Related parts: :X101,R144,R146,C152,C153

Measure the voltage at TP : 5.0V. 
Is it 5.0V?

A

Related parts: See Table-1 (P.27),Table-2(P.28) and

Table-3 (P.29).

No

Confirm the Main LCD display.
Is it working?

Yes

Related parts:

See 9.2. Color LCD with Touch Panel 
   Does Not Operate (P.30).

Yes

 Color LCD module,CN1, 
R161-R171,R177,R1001-R1028,
L102,L105,
C181,C190,C192,C193,C194,C195,
C613-C617,C620-C625,C629-C637

 

No

Yes

Measure the voltage at TP:+3.3V.
Is it 3.3V? 

 

Related parts: C372,C371,R332,C367,C369,R331
                       IC305,R330,C352,L305,R328,R329
                       C350,C349,C384,C383,R327

Related parts: C341,C337,R322,C323,C330,R319,
                        IC302,R315,C319,L301,R308,R309,
                        C315,C312,C311,C310,R306,R301,
                        R303,R307

No

Yes

Measure the voltage at TP:+1.0V.
Is it 1.0V? 

Related parts: C342,C338,R323,C324,C331,R320,
                        IC303,C320,L302,R310,R311,
                        C316,C313,C386,C385,R347

No

Yes

Measure the voltage at TP:DDR_1.5V.
Is it 1.5V? 

Related parts: C377,R341,IC307,C378,R344

No

Yes

Measure the voltage at TP:VDD_18V.
Is it 1.8V? 

Related parts: IC101,C474,C476

No

Yes

Measure the voltage at TP:CL_VDD12V.
Is it 1.3V? 

Related parts: IC101,L409,C494

 

No

Measure the frequency of clock signal at
Pin 1 of X102. Is it 12MHz?
See the communication waveform (4)*. 

Yes

Related parts: :X102,R145,R147,C154,C155

  Check the soldering.
  Resolder or replace parts as needed.

 

26

Refer to waveform (1) in Waveform (P.51)

Yes

No

No

No

Yes

Related parts: C221,R209,C217,R211,
                       R202,C214,R206,C211

Related parts: C203,C205,C215,C201,C293,
                        D218,Q202,R208,R214,R210,

                       R207,C208

Related parts: JK201,T202,F201,F202,
                       L208,L209,L210,L211

Confirm the waveform of PoE Switching Regulator 
SIGNAL at Pin(Gate) of Q202.
See the communication waveform(1)*.

No

Yes

Related parts: L202,R204,R213,R201,C202,
                        C207,C210,C213,R205,C216
                        D304
 

Measure the voltage at TP:PoE_DC.
Is it about 10.6V?

 

Measure the voltage between Pin6 and Pin7 of 
IC202.
Is it between 44V to 57V? (typ 48V)

Measure the voltage between TP:
(PoE-AP, PoE-AN) or (PoE-BP, PoE-BN).
Is it between 44V to 57V? (typ 48V)

GO TO  A

  Check the soldering.
  Resolder or replace parts as needed.

27

 The error result is output to a port of IC101 at error. Check the Test Point ST3,ST2,ST1 and ST0.
See below for the output contents.

Pre-check : All voltage is correct-->5V/3.3V/1.5V/1.0V

S

ST3

ST2

ST1

ST0

1 0x0

L

L

L

L

Boot Error

PWR RST, BBIC(IC101) , Flash(IC103)

2 0x1

L

L

L

H

DDR3 Data Error

DDR3(IC102) or its peripheral circuit

3 0x2

L

L

H

L

L2SW Initialization Error

L2SW(IC203) or its peripheral circuit

4 0x3

L

L

H

H

Flash ROM Data Error

Program Area Read Error

5 0x4

L

H

L

L

Flash ROM Data Error

Adjustment data read error

6 0x5

L

H

L

H

(Reserve)

7 0x6

L

H

H

L

DSP Defect

BBIC(IC101) or its peripheral circuit

8 0x7

L

H

H

H

(Reserve)

9 0x8

H

L

L

L

Not  Error

10 0x9

H

L

L

H

(Reserve)

11 0xA

H

L

H

L

ASIC Data error

ASIC(IC501) or I/F

12 0xB

H

L

H

H

(Reserve)

13 0xC

H

H

L

L

(Reserve)

14 0xD

H

H

L

H

(Reserve)

15 0xE

H

H

H

L

(Reserve)

16 0xF

H

H

H

H

(Reserve)

Remarks: H=1.8V, L=0V

N

N o .

T

Te st  Po in t

E

Erro r  Ite m

Ch e c k  Po in t

Erro r  Co de

IC101

ST0

ST2

ST1

ST3

28

Refer to waveform (5),(6) in Waveform (P.51)

Measure the voltage at C102,C179(between 3.3V and DGND).Is it 3.3V?   
See the communication waveform (5),(6)*.

IC103,IC101,
R101,R102,R104,R105,R106,R107,R109,R110,R111,
R113,R114,R115,R134,R135,R136,R137,R184,R185,R186,R187,R188,R189,R195,
C102,C120,C179

NFLRD

NFLCLE

NFLREADY

NFLREADY

NFLCS0

NFLALE
NFLWR

NFLD7
NFLD6
NFLD5
NFLD4

NFLD3
NFLD2
NFLD1
NFLD0

R184
R185
R186

R188
R189
R195

DG

DG

R187

R137

VDD33V

VDD33V

VDD33V

R106

R105

IC103

1

NC1

2

NC2

46

NC27

47

NC28

3

NC3

48

NC29

4

NC4

45

NC26

5

NC5

44

I/O7

6

NC6

43

I/O6

7

R/*B

42

I/O5

8

*RE

41

I/O4

9

*CE

40

NC25

10

NC7

39

NC24

11

NC8

38

NC23

12

VCC1

37

VCC2

13

VSS1

36

VSS2

14

NC9

35

NC22

15

NC10

34

NC21

16

CLE

33

NC20

17

ALE

32

I/O3

18

*WE

31

I/O2

19

*WP

30

I/O1

20

NC11

29

I/O0

21

NC12

28

NC19

22

NC13

27

NC18

23

NC14

26

NC17

24

NC15

25

NC16

C102

C120

NFLREADY

NFLCS0
NFLALE
NFLCLE

NFLRD
NFLWR

NFLD0
NFLD1
NFLD2
NFLD3
NFLD4
NFLD5
NFLD6
NFLD7

DG

C179

VDD33V

N8

VDDIO_NFLQSPI

R6

NFLD7/MEMXA21

W6

NFLD6/QCS1

T7

NFLD5/QCS0

T6

NFLD4/QDQ3

V4

NFLD3/QDQ2

V6

NFLD2/QDQ1

U6

NFLD1/QDQ0

W5

NFLD0/QCLK

R5

NFLREADY1/MEMXA22

U5

NFLWR/MEMXA23

T4

NFLRD/MEMXA24

V5

NFLCLE/MEMXA25

U4

NFLALE/MEMXA17

T5

NFLCS0/MEMXA18

R114
R115
R134
R135
R136

R101
R102
R104
R107
R109
R110
R111
R113

IC101