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Panasonic KX-TDA0174, Service Manual

The Panasonic KX-TDA0174 Service Manual is a must-have resource for users of this advanced communication system. Easily download the comprehensive manual for free from our website, providing detailed instructions, troubleshooting tips, and useful information to ensure seamless operation and maintenance of your Panasonic KX-TDA0174 device.

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CLK

UHW

C_CS[3]

DCLK

FH

nRST

DHW

DIN

DOUT

CN200

38

13

DTMFR[8-15]

VOUT[8-15]

EST[8-15]

MWDC1

CN200

39

14

MWDC1

CN200

40

15

MWDC1

CN200

41

16

MWDC1

TP577

IC252

5

6

7

TP601

TP585

TP571

TP586

TP567

C262

0.1

TP596

TP576

0.22

C258

TP572

TP603

TP564

TP583

TP569

TP561

TP581

C261

0.1

AG

TP578

TP562

TP563

DG

TP584

TP600

IC251

5 SB3_0

6 SO3_1

S03_0

7

GNDA1 50

INT34

15

VDDA34

61

INT12

34

DRB

30

PCLK

32

FSC 31

DOUT 20

DIN

19

DXB 29

RESET 23

MCLK

22

CS 17

DCLK

18

4

SB3_1

SI3_1

1

2

SI3_0

SB3_2

3

VDDD 24

VDDA12 52

GNDA2 54

9

SO4_1

S04_0

8

10 SB4_0

11 SB4_1

SI4_1

14

13 SI4_0

SB4_2

12

39 SB1_0

38 SB1_1

SI1_1

35

36 SI1_0

SB1_2

37

44 SB2_0

45 SB2_1

SI2_1

48

47 SI2_0

SB2_2

46

VDDREF 57

40 SO1_1

S01_0

41

VREF 56

43 SO2_1

S02_0

42

GNDA3

59

GNDA4

63

GNDD 21

CHCLK1

33

CHCLK2

16

TCB

28

DRA

27

DXA 26

TCA

25

Vout1

51

Vin1

49

53 Vout2

Vin2

55

60 Vout3

Vin3

58

62 Vout4

Vin4

64

TP582

TP597

TP579

AG

TP568

TP560

TP575

0.1

C260

TP574

TP599

C259

0.1

TP598

TP565

TP570

DG

FIL252

1

2

3

+5V

C266

1

C267

2.2

R260

10K

R261

10K

R262

10K

R263

10K

R264

10K

R265

10K

R266

10K

R267

10K

+5V

+5V

TP589

TP588

+5V

+5V

TP591

TP590

+5V

+5V

TP593

TP592

+5V

+5V

TP594

TP595

TP602

R271

100K

R272

N.C

R273

N.C

+5V

TP609

C272

0.1

C273

0.1

C274

0.1

C275

0.1

TP566

TP573

TP580

TP587

TP622

TP623

TP624

TP625

TP411M

TP409M

TP410M

TP414M

TP416M

TP415M

TP417M

TP408M

RL202M

1

8

+15V

D203M

TP407M

TP413M

TP412M

Q200M

E

C

B

N.C

R204M

+15V

D201M

1

2

RL203M

2

9

J202M

DG

RL202M

6

7

5

ZNR20M

47V

1K 1W

R203M

ZNR21M

22V

RL202M

3

2

4

FG

33K

R202M

DG

+15V

N.C

R201M

D200M

1

2

ZNR22M

N.C

FG

L200M

TP402M

TP403M

L201M

TP400M

TP401M

IC200M

8

Vref

7

A_IN

4

A_OUT

3

HOOK

10

BELL

11

RLY

1

DG

2

+5V

12

+30V

9

RING

5

R1

6

T1

14

R0

15

T0

13

AG

C200M

50V/10u

TP411N

TP409N

TP410N

TP414N

TP416N

TP415N

TP417N

TP408N

RL202N

1

8

+15V

D203N

TP407N

TP413N

TP412N

Q200N

E

C

B

N.C

R204N

+15V

D201N

1

2

RL203N

2

9

J202N

DG

RL202N

6

7

5

ZNR20N

47V

1K 1W

R203N

ZNR21N

22V

RL202N

3

2

4

FG

33K

R202N

DG

+15V

N.C

R201N

D200N

1

2

ZNR22N

N.C

FG

L200N

TP402N

TP403N

L201N

TP400N

TP401N

IC200N

8

Vref

7

A_IN

4

A_OUT

3

HOOK

10

BELL

11

RLY

1

DG

2 +5V

12 +30V

9 RING

5 R1

6 T1

14 R0

15 T0

13

AG

C200N

50V/10u

TP411O

TP409O

TP410O

TP414O

TP416O

TP415O

TP417O

TP408O

RL202O

1

8

+15V

D203O

TP407O

TP413O

TP412O

Q200O

E

C

B

N.C

R204O

+15V

D201O

1

2

RL203O

2

9

J202O

DG

RL202O

6

7

5

ZNR20O

47V

1K 1W

R203O

ZNR21O

22V

RL202O

3

2

4

FG

33K

R202O

DG

+15V

N.C

R201O

D200O

1

2

ZNR22O

N.C

FG

L200O

TP402O

TP403O

L201O

TP400O

TP401O

IC200O

8

Vref

7

A_IN

4

A_OUT

3

HOOK

10

BELL

11

RLY

1

DG

2 +5V

12 +30V

9 RING

5 R1

6 T1

14 R0

15 T0

13

AG

C200O

50V/10u

TP411P

TP409P

TP410P

TP414P

TP416P

TP415P

TP417P

TP408P

RL202P

1

8

+15V

D203P

TP407P

TP413P

TP412P

Q200P

E

C

B

N.C

R204P

+15V

D201P

1

2

RL203P

2

9

J202P

DG

RL202P

6

7

5

ZNR20P

47V

1K 1W

R203P

ZNR21P

22V

RL202P

3

2

4

FG

33K

R202P

DG

+15V

N.C

R201P

D200P

1

2

ZNR22P

N.C

FG

L200P

TP402P

TP403P

L201P

TP400P

TP401P

IC200P

8

Vref

7

A_IN

4

A_OUT

3

HOOK

10

BELL

11

RLY

1

DG

2

+5V

12

+30V

9 RING

5

R1

6

T1

14

R0

15

T0

13

AG

C200P

50V/10u

TP421M

Q203M

TP422M

R207M

N.C

TP423M

DG

Q204M

N.C

R208M

TP421N

Q203N

TP422N

R207N

N.C

TP423N

DG

Q204N

N.C

R208N

TP421O

Q203O

TP422O

R207O

N.C

TP423O

DG

Q204O

N.C

R208O

TP421P

Q203P

TP422P

R207P

N.C

TP423P

DG

Q204P

N.C

R208P

C202M

25V/4R7

C202N

25V/4R7

C202O

25V/4R7

C202P

25V/4R7

BELL1

C201M

50V/10u

C201N

50V/10u

C201O

50V/10u

C201P 50V/10u

L208

220

L209

220

R280

100

R281

100

TP664

TP665

TP666

TP667

L49

0

TP682

+3.3V

R285

N.C

TP719

DG

DG

DG

DG

+30V

+5V

+30V

+5V

+30V

+5V

+30V

+5V

AG

AG

AG

AG

DG

C263

16V/1

L53

0

ZNR23M

47V

ZNR23N

47V

ZNR23O

47V

ZNR23P

47V

C204M 0.1

C203M 0.1

C204N

0.1

C203N

0.1

C204O

0.1

C203O

0.1

C204P

0.1

C203P

0.1

RL203M

5

1

10

6

RL203N

5

1

10

6

RL203O

5

1

10

6

RL203P

5

1

10

6

BELL1,BELL[8-15],HOOK[8-15],DIAG[8-15],DTMFR[8-15],EST[8-15],MW[8-15],VOUT[8-15],VREF_C3,VREF_C4

HOOK[12]

VOUT[12]

MW[12]

TM

DTMFR[12]

RM

VREF_C4

BELL[12]

HOOK[13]

RN

MW[13]

TN

DTMFR[13]

VREF_C4

VOUT[13]

BELL[13]

HOOK[14]

RO

MW[14]

TO

DTMFR[14]

VREF_C4

VOUT[14]

BELL[14]

HOOK[15]

RP

MW[15]

TP

DTMFR[15]

VREF_C4

VOUT[15]

BELL[15]

BELL1

VOUT[15]

BELL[13]

BELL[14]

VOUT[12]

BELL[12]

DIAG[13]

DTMFR[15]

EST[15]

MW[15]

MW[14]

DIAG[15]

HOOK[14]

EST[14]

VOUT[13]

BELL[15]

MW[13]

DTMFR[14]

VOUT[14]

EST[13]

MW[12]

DIAG[14]

HOOK[13]

HOOK[12]

DIAG[12]

DOUT

DCLK

C_CS[3]

nRST

DHW

CLK

FH

BELL1

BELL1

BELL1

EST[12]

HOOK[15]

DTMFR[12]

DTMFR[13]

DIN

UHW

VREF_C4

VREF_C4

M

N

O

P

m

b

b

m

b

m

m

b

b

m

b

m

m

b

b

m

b

m

m

b

b

m

b

m

(1)

Summary of Contents for KX-TDA0174

Page 1: ...the manufacture of this product the printed circuit boards will be marked PbF Standard leaded Pb solder can be used as usual on boards without the PbF mark When this mark does appear please read and follow the special instructions described in this manual on the use of PbF and how it might be permissible to use Pb solder during service and repair work 1 ABOUT LEAD FREE SOLDER PbF Pb free Note In t...

Page 2: ...f it is heated much higher than its melting point approximately 1100 F 600 C If you must use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side ...

Page 3: ...1 2 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED PbF is marked on the PCB to show that Pb free solder is used See the figure below 3 ...

Page 4: ...2 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 4 ...

Page 5: ...ial pulse signal detecting function DTMF signal detecting function Bell signal issuing function Hook detecting function Ringtrip detecting function 2W 4W converting function Surge protective function Infineon manufactured 4ch codec function CODEC function A Iaw switching function Test function Loop back Tone generation Programmable digital filtering function Serial interface function PIO function ...

Page 6: ...e function Time switch function Gain controlling function Intelligent PIO function LED Display Circuit Card status indicating LED Two colors Red Green External Interface Connector Extension interface 50pin Amphenol connector 1 Power failure forwarding 4pin modular jack 2 5 NAMES AND LOCATIONS Overview Inside View Note Null slot is not available for any optional service cards 5 1 INSTALLING REMOVIN...

Page 7: ...y do not touch parts on the back board in the main unit and on the optional service cards To discharge static touch ground or wear an earthing strap SLC16 Card Function 16 port extension card for SLT with 4 power failure transfer ports Notes To connect the amphenol connector refer to Fastening Amphenol Type Connector For details about power failure transfer refer to Auxiary Connection for Power Fa...

Page 8: ... TK Tip port 11 12 RL Ring port 12 37 TL Tip port 12 13 RM Ring port 13 38 TM Tip port 13 14 RN Ring port 14 39 TN Tip port 14 15 RO Ring port 15 40 TO Tip port 15 16 RP Ring port 16 41 TP Tip port 16 17 25 Reserved 42 50 Reserved LED Indications Indication Color Description CARD STATUS Green Red OFF Power Off Green ON Normal all ports are idle Green Flash 60 times per minute Normal a port is in u...

Page 9: ...e Auxiliary Connection automatically A specific SLT determined by System Programming will be connected to selected CO lines in the event of system power failure Auxiliary Connection is required to implement this feature Connection The following CO line and extension cards can be used for Auxiliary Connections Analog CO line cards LCOT16 4 PFT ports and LCOT8 2 PFT port Extension cards MSLC16 4 PFT...

Page 10: ...plied RJ11 connectors RJ11 Connector Pin Assignments for CO line Crad No Signal Name Function 1 R2 Ring port 2 2 R1 Ring port 1 3 T1 Tip port 1 4 T2 Tip port 2 RJ11 Connector Pin Assignments for Extension Card No Signal Name Function 1 T2 Tip port 2 2 T1 Tip port 1 3 R1 Ring port 1 4 R2 Ring port 2 Installing Optional Service Cards 10 ...

Page 11: ...he guide rails 2 Holding the card as follows push the release lever in the direction of the arrow so that the card is made to engage with the connector on the back board securely 3 Turn the 2 screws clockwise to fix the card 11 ...

Page 12: ...6 TROUBLESHOOTING GUIDE 12 ...

Page 13: ...13 ...

Page 14: ...14 ...

Page 15: ...15 ...

Page 16: ...16 ...

Page 17: ...17 ...

Page 18: ...18 ...

Page 19: ...Local TSW Exchanges the time slots between CT bus 1024ch and local highway 64ch Local highway Interface Holds 2 048 4 096 8 192MHz highway Up to 64 time slots VOX bus onboard A stream 0 through 15 1 stream 128 time slots of PCM data can be switched to a local highway 64time slots See the figure blow for the examples of the local highway time slot configurations You can assign desired slots 19 ...

Page 20: ...ce that is arbitrarily and bidirectionally programmable 8 2 RESET CIRCUIT When starting the system the ASIC reset cancel will be executed by MPR through EC_nRST LED status indicator LED 2 colors Red ON Fault Including RESET Green ON INS Line not in use Green Flash 60 m INS Line in use Red Flash OUS OFF Power supply malfunction 8 3 CODEC FUNCTION IC201 202 250 251 Infineon PEB2466 CODEC is installe...

Page 21: ...o it converts A D to D A and 4 line analogue signal to PCM code É A in G 711 format 8 4 2W 4W CONVERSION It converts 4W VOX signal used in the PBX to 2W VOX signal used in SLT and vise versa It consists of an operational amplifier in the HIC and a balanced network in the CODEC It can control the return loss of the audio data and frequency characteristics By modifying the CODEC program it can match...

Page 22: ...IC6 for port M through P The CODEC detects the DTMF data to be effective at EST terminal H This information is detected in the MPR via SAMSON then DTMF signal is detected by MPR reading the DTMF receiver data that came through the SAMSON local bus 8 6 POWER SUPPLY A constant current power supply in HIC provides 30V ring side 0V grounding to SLC The maximum feeding current is 30mA 22 ...

Page 23: ...ized as dialing signal Both 10pps and 20pps can be received The dialing speed is analyzed by software 8 8 HOOK DETECTION The off hook status is detected when the telephone is off hook The off hook status is detected when the telephone is off hook When a telephone is off hook change in voltage is detected by the RING terminal in HIC and this information is transmitted to the HOOK terminal Example 9...

Page 24: ...ephone Intercom bell load resistance R203A P 1K and then Ground Since DC30V superimposed in the BELL signal As a result of this a voltage rise occurs in Intercom bell load resistance R203A P 1K in the intercom circuit and a voltage is placed on the 9 pin RING terminal This change in voltage turns off the driver transistor of the BELL relay in HIC and it breaks the BELL relay 8 10 SURGE PROTECTION ...

Page 25: ...des outside call pick up dial pulse transmission DTMF transmission BELL reception and CPC detection 8 12 POWER FAILURE SWITCH FEATURE 4 out of 16 lines have switching relays RL200A D installed in order to enable the outside call during a power failure The line connected to the outside call card will be directly connected to he CN201 202 located in forward part of the board via a 4 conductor TEL co...

Page 26: ... 100V of voltage Mainly 30Vdc produced by SW power supply When the Bell signal is not needed bell signal voltage generating circuit can be turned off by transmitting H signal from P21 port BELL CNT of ASIC to reduce the power consumption 8 14 BELL SIGNAL TRANSMISSION A 75V bell signal generated onboard is transmitted to the individual port then control the bell ON OFF by making a bell relay in eac...

Page 27: ...0V and AC 75V are required onboard voltage levels are generated onboard as written below A DC DC converter that generates 3 3V and 5V from 15V input from the main power supply It consists of a circuit that steps down the voltage from 15V to 3 3V by the switching power supply of IC10 Q13 and L10 and a circuit that steps down the voltage from 15V to 5V by the 27 ...

Page 28: ... protects from 3 3V short circuit IP5 that protects from 5V short circuit and an overvoltage protection that breaks IP1 by turning on FET in Q14 when a rise in voltage of 3 3V 5V is detected 8 16 SOFTWARE INTERFACE SPECIFICATIONS SLC16 ADDRESS MAP 9 IC DATA 9 1 IC14 ASIC 28 ...

Page 29: ... OUTPUT ENABLED O H P06 O H P05 O H P04 O H P03 O H P02 O H P01 O H P00 O H xxx1181 P17 VER5 I H L Card recognition Reserved P16 VER4 I H L P15 VER3 I H L P14 VER2 I H L Hardware version managementInitial No 0 P13 VER1 I H L P12 VER0 I H L P11 PORT1 I H Port No 16 P10 PORT0 I H 29 ...

Page 30: ... Fixed P36 I HIGH Fixed P35 I HIGH Fixed P34 I HIGH Fixed P33 I HIGH Fixed P32 I HIGH Fixed P31 I HIGH Fixed P30 I HIGH Fixed xxx1184 P47 Used as DTMF R OUTPUT ENABLED O H P46 O H P45 O H P44 O H P43 O H P42 O H P41 O H P40 O H xxx1185 P57 I HIGH Fixed P56 I HIGH Fixed P55 I HIGH Fixed P54 I HIGH Fixed P53 I HIGH Fixed P52 I HIGH Fixed P51 I HIGH Fixed P50 I HIGH Fixed 9 2 IC201 IC250 CODEC PIO PO...

Page 31: ...O L Fixed SO2_0 BELL1 O H Ringer output SB2_2 O 5V pull up SB2_1 O H SB2_0 O 5Vu pull up SI2_1 HOOK1 I L Off hook detection SI2_0 DT_EST1 I H DTMF detection EXT2 SO3_1 O L Fixed SO3_0 BELL2 O H Ringer output SB3_2 O 5V pull up SB3_1 O H SB3_0 O 5V pull up SI3_1 HOOK2 I L Off hook detection SI3_0 DT_EST2 I H DTMF detection EXT3 SO4_1 O L Fixed SO4_0 BELL3 O H Ringer output SB4_2 O 5V pull up SB4_1 ...

Page 32: ...ELL5 O H Ringer output SB2_2 O 5V pull up SB2_1 O H SB2_0 O 5V pull up SI2_1 HOOK5 I L Off hook detection SI2_0 DT_EST5 I H DTMF detection EXT6 SO3_1 O L Fixed SO3_0 BELL6 O H Ringer output SB3_2 O 5V pull up SB3_1 O H SB3_0 O 5V pull up SI3_1 HOOK6 I L Off hook detection SI3_0 DT_EST6 I H DTMF detection EXT7 SO4_1 O L Fixed SO4_0 BELL7 O H Ringer output SB4_2 O 5V pull up SB4_1 O H SB4_0 O 5V pul...

Page 33: ... O H Ringer output SB2_2 O 5V pull up SB2_1 I H SB2_0 O 5V pull up SI2_1 HOOK9 I L Off hook detection SI2_0 DT_EST9 I H DTMF detection EXT10 SO3_1 O L Fixed SO3_0 BELL10 O H Ringer output SB3_2 O 5V pull up SB3_1 O H SB3_0 O 5V pull up SI3_1 HOOK10 I L Off hook detection SI3_0 DT_EST10 I H DTMF detection EXT11 SO4_1 O L Fixed SO4_0 BELL11 O H Ringer output SB4_2 O 5V pull up SB4_1 O H SB4_0 O 5V p...

Page 34: ...B3_2 O 5V pull up SB3_1 O H SB3_0 O 5V pull up SI3_1 HOOK14 I L Off hook detection SI3_0 DT_EST14 I H DTMF detection EXT15 SO4_1 O L Fixed SO4_0 BELL15 O H Ringer output SB4_2 O 5V pull up SB4_1 O H SB4_0 O 5V pull up SI4_1 HOOK15 I L Off hook detection SI4_0 DT_EST15 I H DTMF detection 10 HOW TO REPLACE A FLAT PACKAGE IC 10 1 PREPARATION PbF Pb free Solder Soldering Iron Tip Temperature of 700 F ...

Page 35: ...B 2 Apply flux to all of the pins on the IC 3 Being careful to not unsolder the tack points slide the soldering iron along the tips of the pins while feeding enough solder to the tip so that it flows under the pins as they are heated 10 3 REMOVING SOLDER FROM BETWEEN PINS 1 Add a small amount of solder to the bridged pins 2 With a hot iron use a sweeping motion along the flat part of the pin to dr...

Page 36: ...11 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 12 CABINET AND ELECTRICAL PARTS LOCATION 36 ...

Page 37: ...13 ACCESSORIES AND PACKING MATERIALS 37 ...

Page 38: ...38 ...

Page 39: ...d the assembly will no longer be available 2 Important safety notice Components identified by mark have special characteristics important for safety When replacing any of these components use only manufacture s specified parts 3 The S mark means the part is one of some identical parts For that reason it may be different from the installed part 4 ISO code Example ABS 94HB of the remarks column show...

Page 40: ...ACER 7 PSHR1272Z REVET 8 PSMH1212X ANGLE 9 PSUS1020Z SPRING 10 PSUS1021Y SPRING 11 XUC25VW RETAINING RING 14 2 ACCESSORIES AND PACKING MATERIALS Ref No Part No Part Name Description Remarks A1 XSN4X40 28FY SCREW A2 J0KG00000019 CORE P1 PSPD1188Y CUSHION P2 PSPP1069Z PROTECTION COVER P3 PSZKTDA0174M GIFT BOX P4 XZB05X08A03 PROTECTION COVER P5 PSPP1077Z PROTECTION COVER 14 3 MAIN BOARD PARTS 40 ...

Page 41: ... IC200O EHDHA1846A IC IC200P EHDHA1846A IC IC201 C1CB00001432 IC IC202 C1CB00001432 IC IC203 PQVINJM4558M IC S IC250 C1CB00001432 IC IC251 C1CB00001432 IC IC252 PQVINJM4558M IC S IC800 C0DBZZB00005 IC IC801 C0DBAJD00002 IC TRANSISTORS Q11 PQVTDTA114EU TRANSISTOR SI S Q12 B1DHCD000018 TRANSISTOR SI Q13 B1DHCD000018 TRANSISTOR SI Q14 B1DFDC000002 TRANSISTOR SI Q201A PQVTDTC143E TRANSISTOR SI S Q202 ...

Page 42: ...D203O MA110 DIODE SI D203P MA110 DIODE SI D204 MA110 DIODE SI D800 MA8150 DIODE SI D801 MA8150 DIODE SI D802 MA8150 DIODE SI D803 MA8150 DIODE SI D805 MA8240 DIODE SI D806 B0HCMR000002 DIODE SI D808 B0HCMR000002 DIODE SI LED1 PQVDBRPY1204 LED S FILTERS FIL1 J0HAAB000020 IC FILTER FIL2 J0HAAH000003 IC FILTER FIL3 J0HAAH000003 IC FILTER FIL4 J0HAAH000003 IC FILTER FIL5 J0HAAH000003 IC FILTER FIL6 J0...

Page 43: ...600SG CERAMIC FILTER L36 PFVF2P600SG CERAMIC FILTER L37 PFVF1B221SB CERAMIC FILTER L38 PFVF1B221SB CERAMIC FILTER L202 PFVF1B221SB CERAMIC FILTER L203 PFVF1B221SB CERAMIC FILTER L204 PFVF1B221SB CERAMIC FILTER L205 PFVF1B221SB CERAMIC FILTER L206 PFVF1B221SB CERAMIC FILTER L207 PFVF1B221SB CERAMIC FILTER L208 PFVF1B221SB CERAMIC FILTER L209 PFVF1B221SB CERAMIC FILTER COILS L7 G1A221C00003 COIL L10...

Page 44: ...FUSE S IP4 K5H751Z00003 FUSE IP5 K5H751Z00003 FUSE JACKS CN201 PQJJ1T011Y JACK S CN202 PQJJ1T011Y JACK S PHOTO ELECTRIC TRANSDUCERS PC800 PQVIPC357CN PHOTO COUPLER S PC803 PQVIPC357CN PHOTO COUPLER S PC804 PQVIPC357CN PHOTO COUPLER S SCREWS XSB301 XSB3 6VW SCREW XSB302 XSB3 6VW SCREW TRANSFORMER T800 G4D1A0000048 TRANSFORMER RELAYS RL200A K6B2CGA00094 RELAY RL200B K6B2CGA00094 RELAY RL200C K6B2CGA...

Page 45: ...R ZNR21A D4EAB220A005 VARISTOR ZNR21B D4EAB220A005 VARISTOR ZNR21C D4EAB220A005 VARISTOR ZNR21D D4EAB220A005 VARISTOR ZNR21E D4EAB220A005 VARISTOR ZNR21F D4EAB220A005 VARISTOR ZNR21G D4EAB220A005 VARISTOR ZNR21H D4EAB220A005 VARISTOR ZNR21I D4EAB220A005 VARISTOR ZNR21J D4EAB220A005 VARISTOR ZNR21K D4EAB220A005 VARISTOR ZNR21L D4EAB220A005 VARISTOR ZNR21M D4EAB220A005 VARISTOR ZNR21N D4EAB220A005 V...

Page 46: ...ISTOR ARRAY 10K RA28 D1HA1038A005 RESISTOR ARRAY 10K RA29 D1HA1038A005 RESISTOR ARRAY 10K RESISTORS R11 ERJ3GEYJ104 100K R12 ERJ3GEYJ104 100K R13 ERJ3GEYJ104 100K R14 ERJ3GEYJ104 100K R15 ERJ3GEYJ104 100K R16 ERJ3GEYJ104 100K R17 ERJ3GEYJ104 100K R18 ERJ3GEYJ104 100K R19 ERJ3GEYJ104 100K R20 ERJ3GEYJ104 100K R21 ERJ3GEYJ104 100K R22 ERJ3GEYJ104 100K R23 ERJ3GEYJ104 100K R24 ERJ3GEYJ104 100K R25 ER...

Page 47: ...1 ERJ3GEYJ104 100K R93 ERJ3GEYJ104 100K R94 ERJ3GEYJ104 100K R95 ERJ3GEYJ104 100K R96 ERJ3GEYJ104 100K R97 ERJ3GEYJ104 100K R98 ERJ3GEYJ104 100K R99 ERJ3GEYJ104 100K R100 ERJ3GEYJ104 100K R109 ERJ3GEYJ105 1M R113 ERJ3GEYJ103 10K R116 ERJ3GEYJ103 10K R117 ERJ3GEYJ103 10K R118 ERJ3GEYJ102 1K R119 ERJ3GEYJ151 150 R120 ERJ3GEYJ151 150 R121 ERJ3GEYJ103 10K R122 ERJ3GEYJ391 390 R123 ERJ3GEYJ681 680 R124...

Page 48: ... ERJ3GEYJ101 100 R172 ERJ3GEYJ101 100 R202A ERJ3GEYJ333 33K R202B ERJ3GEYJ333 33K R202C ERJ3GEYJ333 33K R202D ERJ3GEYJ333 33K R202E ERJ3GEYJ333 33K R202F ERJ3GEYJ333 33K R202G ERJ3GEYJ333 33K R202H ERJ3GEYJ333 33K R202I ERJ3GEYJ333 33K R202J ERJ3GEYJ333 33K R202K ERJ3GEYJ333 33K R202L ERJ3GEYJ333 33K R202M ERJ3GEYJ333 33K R202N ERJ3GEYJ333 33K R202O ERJ3GEYJ333 33K R202P ERJ3GEYJ333 33K R203A ERJ1...

Page 49: ...ERJ3GEYJ103 10K R226 ERJ3GEYJ103 10K R227 ERJ3GEYJ682 6 8K R228 ERJ3GEYJ104 100K R231 ERJ3GEYJ104 100K R234A ERJ3GEYJ103 10K R235 ERJ3GEYJ682 6 8K R236 PQ4R18XJ000 0 S R250 ERJ3GEYJ220 22 R251 ERJ3GEYJ220 22 R252 ERJ3GEYJ103 10K R253 ERJ3GEYJ103 10K R254 ERJ3GEYJ103 10K R255 ERJ3GEYJ103 10K R256 ERJ3GEYJ103 10K R257 ERJ3GEYJ103 10K R258 ERJ3GEYJ103 10K R259 ERJ3GEYJ103 10K R260 ERJ3GEYJ103 10K R26...

Page 50: ...J3GEYJ103 10K R818 ERJ3GEYJ752 7 5K R819 ERJ3GEYJ752 7 5K R820 ERJ3GEYJ473 47K R821 ERJ3GEYJ473 47K R822 ERJ3EKF3903 390K R823 ERJ3EKF3903 390K R824 ERJ3EKF2002 20K R825 ERJ3EKF2002 20K R826 ERJ3EKF1803 180K R827 ERJ3EKF1803 180K R828 PQ4R10XJ472 4 7K S R829 ERJ3EKF2002 20K R830 ERJ3GEYF393 39K S R831 ERJ3EKF1501 1 5K R832 ERJ3GEYJ125 1 2M R833 ERJ3GEYJ102 1K R834 ERJ3GEYJ223 22K R836 PQ4R18XJ473 ...

Page 51: ...3 ERJ3GEY0R00 0 J4 ERJ3GEY0R00 0 J7 ERJ3GEY0R00 0 J8 ERJ3GEY0R00 0 J9 ERJ3GEY0R00 0 J10 ERJ3GEY0R00 0 J11 ERJ3GEY0R00 0 J12 ERJ3GEY0R00 0 J13 ERJ3GEY0R00 0 J14 PQ4R18XJ000 0 S J18 ERJ3GEY0R00 0 J22 ERJ3GEY0R00 0 J23 ERJ3GEY0R00 0 J26 ERJ3GEY0R00 0 J28 ERJ3GEY0R00 0 J31 ERJ3GEY0R00 0 J34 ERJ3GEY0R00 0 J37 ERJ3GEY0R00 0 J38 ERJ3GEY0R00 0 J202A ERJ3GEY0R00 0 J202B ERJ3GEY0R00 0 J202C ERJ3GEY0R00 0 J2...

Page 52: ...04KBV 0 1 C23 ECUV1C104KBV 0 1 C24 ECUV1C104KBV 0 1 C25 ECUV1C104KBV 0 1 C26 ECUV1C104KBV 0 1 C27 ECUV1C104KBV 0 1 C28 ECUV1C104KBV 0 1 C29 ECUV1C104KBV 0 1 C30 ECUV1C104KBV 0 1 C31 ECUV1C104KBV 0 1 C32 ECUV1C104KBV 0 1 C33 ECUV1C104KBV 0 1 C34 ECUV1C104KBV 0 1 C35 ECUV1C104KBV 0 1 C36 ECUV1C104KBV 0 1 C42 ECUV1E104ZFV 0 1 C45 ECUV1E104ZFV 0 1 C48 ECUV1E104ZFV 0 1 C49 ECUV1H180JCV 18P C50 ECUV1H18...

Page 53: ...C89 ECUV1E104ZFV 0 1 C90 ECUV1E104ZFV 0 1 C91 ECUV1H332KBV 0 0033 C92 ECUV1E104ZFV 0 1 C93 ECUV1E104ZFV 0 1 C94 ECUV1E104ZFV 0 1 C95 ECUV1E104ZFV 0 1 C96 ECUV1E104ZFV 0 1 C97 ECUV1E104ZFV 0 1 C98 ECUV1E104ZFV 0 1 C200A ECEA1HU100 10 S C200B ECEA1HU100 10 S C200C ECEA1HU100 10 S C200D ECEA1HU100 10 S C200E ECEA1HU100 10 S C200F ECEA1HU100 10 S C200G ECEA1HU100 10 S C200H ECEA1HU100 10 S C200I ECEA1...

Page 54: ...202M PSCEA1HN4R7 4 7 C202N PSCEA1HN4R7 4 7 C202O PSCEA1HN4R7 4 7 C202P PSCEA1HN4R7 4 7 C203 ECUV1E104ZFV 0 1 C203A ECUV1E104ZFV 0 1 C203B ECUV1E104ZFV 0 1 C203C ECUV1E104ZFV 0 1 C203D ECUV1E104ZFV 0 1 C203E ECUV1E104ZFV 0 1 C203F ECUV1E104ZFV 0 1 C203G ECUV1E104ZFV 0 1 C203H ECUV1E104ZFV 0 1 C203I ECUV1E104ZFV 0 1 C203J ECUV1E104ZFV 0 1 C203K ECUV1E104ZFV 0 1 C203L ECUV1E104ZFV 0 1 C203M ECUV1E104...

Page 55: ...V1A225ZF 2 2 S C221 ECUV1C104KBV 0 1 C222 ECUV1C104KBV 0 1 C223 ECUV1C104KBV 0 1 C224 ECUV1C104KBV 0 1 C225 ECUV1C104KBV 0 1 C226 ECUV1C104KBV 0 1 C227 ECUV1C104KBV 0 1 C228 ECUV1C104KBV 0 1 C250 ECUV1E104ZFV 0 1 C251 ECUV1C224ZFV 0 22 C252 ECUV1E104ZFV 0 1 C253 ECUV1E104ZFV 0 1 C254 ECUV1E104ZFV 0 1 C255 ECUV1E104ZFV 0 1 C256 PQCUV1C105ZF 1 S C257 ECUV1A105ZFV 1 C258 ECUV1C224ZFV 0 22 C259 ECUV1E...

Page 56: ...807 PQCUV1E823KB 0 082 C808 ECUV1E104ZFV 0 1 C809 ECA2EHG100 10P C811 ECA2EHG100 10P C812 ECUV1C473KBV 0 047 C813 ECUV1E104ZFV 0 1 C814 ECUV1H471JCV 470P S C815 ECUV1E104ZFV 0 1 C816 ECUV1E104ZFV 0 1 C817 ECA1HHG101 100P C818 ECUV1E104ZFV 0 1 15 FOR SCHEMATIC DIAGRAM Note 1 DC voltage measurements are taken with voltmeter from the negative voltage line 2 This schematic diagram may be modified at a...

Page 57: ...No 1 2 No 1 3 No 1 4 57 ...

Page 58: ...No 1 5 No 1 6 No 1 7 58 ...

Page 59: ...No 1 8 No 1 9 No 1 10 59 ...

Page 60: ...No 1 11 No 1 12 No 1 13 60 ...

Page 61: ...No 1 14 No 1 15 No 1 16 61 ...

Page 62: ...No 1 17 No 1 18 No 1 19 62 ...

Page 63: ...No 2 20 No 2 21 No 2 22 63 ...

Page 64: ...No 2 23 No 2 24 16 SCHEMATIC DIAGRAM 16 1 No 1 16 2 No 2 16 3 No 3 17 PRINTED CIRCUIT BOARD 17 1 Component View 17 2 Bottom View H KXTDA0174 64 ...

Page 65: ...0 BELL 11 RLY 1 DG 2 5V 12 30V 9 RING 5 R1 6 T1 14 R0 15 T0 13 AG C200F 50V 10u TP411G TP409G TP410G TP414G TP416G TP415G TP417G TP408G RL202G 1 8 15V D203G TP407G TP413G TP412G Q200G E C B N C R204G 15V D201G 1 2 RL203G 2 9 J202G DG RL202G 6 7 5 ZNR20G 47V 1K 1W R203G ZNR21G 22V RL202G 3 2 4 FG 33K R202G DG 15V N C R201G D200G 1 2 ZNR22G N C FG L200G TP402G TP403G L201G TP400G TP401G IC200G 8 Vre...

Page 66: ...L 11 RLY 1 DG 2 5V 12 30V 9 RING 5 R1 6 T1 14 R0 15 T0 13 AG C200J 50V 10u TP411K TP409K TP410K TP414K TP416K TP415K TP417K TP408K RL202K 1 8 15V D203K TP407K TP413K TP412K Q200K E C B N C R204K D201K 1 2 RL203K 2 9 J202K DG RL202K 6 7 5 ZNR20K 47V 1K 1W R203K ZNR21K 22V RL202K 3 2 4 33K R202K 15V N C R201K D200K 1 2 ZNR22K N C L200K TP402K TP403K L201K TP400K TP401K IC200K 8 Vref 7 A_IN 4 A_OUT 3...

Page 67: ...V 9 RING 5 R1 6 T1 14 R0 15 T0 13 AG C200N 50V 10u TP411O TP409O TP410O TP414O TP416O TP415O TP417O TP408O RL202O 1 8 15V D203O TP407O TP413O TP412O Q200O E C B N C R204O 15V D201O 1 2 RL203O 2 9 J202O DG RL202O 6 7 5 ZNR20O 47V 1K 1W R203O ZNR21O 22V RL202O 3 2 4 FG 33K R202O DG 15V N C R201O D200O 1 2 ZNR22O N C FG L200O TP402O TP403O L201O TP400O TP401O IC200O 8 Vref 7 A_IN 4 A_OUT 3 HOOK 10 BE...

Page 68: ...V 9 RING 5 R1 6 T1 14 R0 15 T0 13 AG C200N 50V 10u TP411O TP409O TP410O TP414O TP416O TP415O TP417O TP408O RL202O 1 8 15V D203O TP407O TP413O TP412O Q200O E C B N C R204O 15V D201O 1 2 RL203O 2 9 J202O DG RL202O 6 7 5 ZNR20O 47V 1K 1W R203O ZNR21O 22V RL202O 3 2 4 FG 33K R202O DG 15V N C R201O D200O 1 2 ZNR22O N C FG L200O TP402O TP403O L201O TP400O TP401O IC200O 8 Vref 7 A_IN 4 A_OUT 3 HOOK 10 BE...

Page 69: ...202 ZNR20 ZNR21 ZNR22 ZNR23 J202 R208 D201 R204 C203 C204 C200 Q200 D200 RL203 RL202 R201 L201 L200 Q203 R207 15 IC200 N 1 C202 C201 R203 R202 ZNR20 ZNR21 ZNR22 ZNR23 J202 R208 D201 R204 C203 C204 C200 Q200 D200 RL203 RL202 R201 L201 L200 Q203 R207 15 IC200 M 1 C202 C201 R203 R202 ZNR20 ZNR21 ZNR22 ZNR23 J202 R208 D201 R204 C203 C204 C200 Q200 D200 RL203 RL202 R201 L201 L200 Q203 R207 15 IC200 L 1...

Page 70: ...280 C265 R279 L48 L49 L53 L45 R281 C263 L209 FIL252 L52 R252 R253 R255 R254 C269 C273 C268 L208 R266 R265 R267 R264 L206 R278 C256 R258 R257 R260 R259 R261 R262 R263 R256 IC250 IC251 IC10 IP1 D14 L36 C63 D11 BELL0 BELL1 30V D10 R123 R124 R814 C802 R800 R824 C806 C804 R826 R831 R822 R820 C800 R848 R806 R812 C52 5V R127 R134 R128 IP3 R140 C65 D13 C71 D15 R148 17 64 32 49 16 1 33 48 17 64 32 49 16 1 ...

Page 71: ...z PLL nRESET CODEC PEB 2466 Balance Network BN Same as Port 2 Same as Port 2 Port 3 Port 4 PFT Jack 4 PFT Jack 2 Same as Port 2 No PFT Interface Port 55 8 CODEC PEB 2466 Port 95 42 CODEC PEB 2466 Port 435 46 5V 3 3V 15V Power Supply CODEC PEB 2466 DIN DOUT CS 3 0 DCLK nRESET Power Supply On Board Ringer PFT Relay Driver 15V PFRLY Bell Relay DC Feeding 30V Serge EMC PFT Relay DC Feeding GND Hook De...

Page 72: ...EST2 12 INP4 13 INM4 14 GS4 15 GTSEL1 16 GTSEL2 17 Vss 18 Vdd 19 OSC0 20 OSCI 21 CLKSEL 22 nREST 23 TOE1 24 TOE2 25 TOE3 26 TOE4 27 Q1 28 Q2 29 Q3 30 Q4 31 EST STD1 32 EST STD2 33 EST STD3 34 EST STD4 35 S nESEL 36 TP134 TP133 TP70 TP849 Q11 E C B TP857 TP856 TP850 250V 10 C811 MWDC0 MWDC1 3 3V PC801 1 2 3 4 N C R839 N C R838 PC802 1 2 3 4 3 3V TP808 D802 15V TP810 R808 100K R806 100 Q801 E C B R8...

Page 73: ...TP645 J18 0 J22 0 J23 0 TP646 TP647 TP648 TP649 TP650 TP651 L35 L36 TP633 J20 N C J21 N C J5 N C IC14 RX 7 190 AVDD 180 PLLGND 3 PLLCLK 4 PLLVDD 5 IRQ 1 7 IRQ 0 8 CS 1 9 CS 0 10 GND 11 LD 6 13 LD 5 14 LD 4 15 LD 3 16 LD 2 17 LD 1 18 LD 0 19 VDD 20 GND 21 ALE 22 CS_DMA 23 CS_SAM 24 CSI 25 RD 26 WR 27 L_NRST 28 GND 29 WAIT 30 RESET 31 BREQ 32 BACK 33 BGAK 34 GND 35 VDD 36 SBREQ 37 SBACK 38 LA 12 39 ...

Page 74: ...18 0 J22 0 J23 0 TP646 TP647 TP648 TP649 TP650 TP651 L35 L36 TP633 J20 N C J21 N C J5 N C IC14 RX 7 190 AVDD 180 PLLGND 3 PLLCLK 4 PLLVDD 5 IRQ 1 7 IRQ 0 8 CS 1 9 CS 0 10 GND 11 LD 6 13 LD 5 14 LD 4 15 LD 3 16 LD 2 17 LD 1 18 LD 0 19 VDD 20 GND 21 ALE 22 CS_DMA 23 CS_SAM 24 CSI 25 RD 26 WR 27 L_NRST 28 GND 29 WAIT 30 RESET 31 BREQ 32 BACK 33 BGAK 34 GND 35 VDD 36 SBREQ 37 SBACK 38 LA 12 39 LA 11 4...

Page 75: ...02B 6 7 5 ZNR20B 47V 1K 1W R203B ZNR21B 22V RL202B 3 2 4 FG 33K R202B DG 15V N C R201B D200B 1 2 ZNR22B N C FG L200B TP402B TP403B L201B TP400B TP401B IC200B 8 Vref 7 A_IN 4 A_OUT 3 HOOK 10 BELL 11 RLY 1 DG 2 5V 12 30V 9 RING 5 R1 6 T1 14 R0 15 T0 13 AG C200B 50V 10u TP411C TP409C TP410C TP414C TP416C TP415C TP417C TP408C RL202C 1 8 15V D203C TP407C TP413C TP412C Q200C E C B N C R204C 15V D201C 1 ...

Page 76: ...0 BELL 11 RLY 1 DG 2 5V 12 30V 9 RING 5 R1 6 T1 14 R0 15 T0 13 AG C200F 50V 10u TP411G TP409G TP410G TP414G TP416G TP415G TP417G TP408G RL202G 1 8 15V D203G TP407G TP413G TP412G Q200G E C B N C R204G 15V D201G 1 2 RL203G 2 9 J202G DG RL202G 6 7 5 ZNR20G 47V 1K 1W R203G ZNR21G 22V RL202G 3 2 4 FG 33K R202G DG 15V N C R201G D200G 1 2 ZNR22G N C FG L200G TP402G TP403G L201G TP400G TP401G IC200G 8 Vre...

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