KX-TDA6178X, KX-TDA6178XJ (serv.man8) — Panasonic PBX Service Manual Supplement (repair manual)

Model
KX-TDA6178X KX-TDA6178XJ (serv.man8)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
256.23 KB
Type
PDF
Document
Service Manual Supplement
Brand
Device
PBX / 24-PORT SINGLE LINE TELEPHONE EXTENSION CARD
File
kx-tda6178x-kx-tda6178xj-sm8.pdf
Date

View Panasonic KX-TDA6178X / KX-TDA6178XJ (serv.man8) Service Manual Supplement online

ORDER NO. KMS1710910SE
24-Port Single Line Telephone Extension Card with Cer ID
Model No.
KX-TDA6178X
KX-TDA6178XJ
(for Europe, Asia Oceania, Middle Near East, Latin 
America, Russia and Africa)
TABLE OF CONTENTS
PAGE
1 CHANGES----------------------------------------------------------- 2
1.1. Replacement Parts List ---------------------------------- 2
2 CORRECTION------------------------------------------------------ 3
2.1. Specifications ----------------------------------------------- 3
2.2. Power Supply----------------------------------------------- 4
Supplement-8
Please file and use this supplement manual together with the service manual for Model No. KX-TDA6178X/
KX-TDA6178XJ, Order No. KMS0803476CE.
2
KX-TDA6178X/KX-TDA6178XJ
1 CHANGES
1.1.
Replacement Parts List
 
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS COMPARISON 
LISTS.
1. Improve performance
Remarks:
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
Interchangeability Code (Symbols: B) Following V-Z interchange abilities are indicated on the Notes in the bottom column.
Parts
Set Production
V Original
New
Early (before change)
Late (after change)
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
W Original
New
Early (before change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in early or
late production sets. Use original parts where possible, then stock new parts.
X Original
New
Early (before change)
Late (after change)
New parts only may be used in early or late production sets.
Stock new parts.
Y Original
New
Early (before change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in late
production sets only. Stock both original and new parts.
Z Other
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
Main Board Parts
IC602
PNWI26178XJ7
PNWI26178XJ8
IC
1
1
W
---
3
KX-TDA6178X/KX-TDA6178XJ
2 CORRECTION
2.1.
Specifications
Change from the Original Service Manual Section 3.
. Specifications
Functional Block
Functional contents
Extension Interface
Number of Ports
24 ports
SLT Interface
-26V 26mA Feeding function
(Voltage in ports 1-8 are switched over to -45V, depending on the circuit dis-
tance.)
Dial-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
CODEC function
• Test function (Loop back, Tone generation)
• Programmable digital filtering function
• Serial interface function
• PIO function
DTMF Receiver
24 lines for each port
Caller ID (FSK)
24 lines for each port
On-board Ringer
20/25Hz 65Vrms
Phase control (Three-phase / Four-phase)
On-board DC/DC Power Supply
Input +15V
Output +3.3V
Input +40V
Output : VBAT(The required negative battery voltage). 
The battery voltage generation circuit intelligently tracks the VBAT voltage to the optimal value under each
operating state (e.g. on-hook, off-hook, ringing, etc.)
Power Failure Forwarding Function
4 lines supported
ASIC
EC bus interface function
H.100 bus interface function, Digital PLL function
Local bus interface function
Time switch function, Gain controlling function, FIFO/DPRAM function
Intelligent PIO function
Control Unit
CPU
SH-1/SH7020 (12.288MHz)
Flash ROM
512Kbyte
SRAM
128Kbyte
PLD
• Interface between codec and CPU
• Lattice MachX02 LCMXO2-640HC-4TG100C
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: 1
4
KX-TDA6178X/KX-TDA6178XJ
2.2.
Power Supply
Change from the Original Service Manual Section 5.2.6.
NM
KXTDA6178X
KXTDA6178XJ
TA
RA
C313A
CN201
2
DIAG_T
RL201A
6
7
5
CN201
3
DIAG_R
RL201A
3
2
4
C313B
DG
C302A
C303A
C302B
C303B
VBATa
J300A
DG
DG
R310A
R308A
R309A
R308B
R309B
D
305A
C
304A
DG
D
304A
FG
C
305A
C
321A
C3
1
0
A
R315A
R316A
C3
0
9
A
L300A
DG
DG
R314A
D
301A
1
2
C308A
L301A
+40V
DG
Q300A
S
1 2 3
G
4
D
5 6 7 8
Q301A
S
D
G
CN200
26
1
C307A
IC300A
TIPa
1
SRINGDCa
5
SRINGACa
6
STIPACa
7
STIPDCa
8
SVBATa
11
SDCHa
20
SDCLa
21
DCDRVa
22
DCFFa
23
DCFFb
24
STIPDCb
38
STIPACb
39
SRINGACb
40
SRINGDCb
41
RINGa
59
R319A
R318A
R313A
R306A
R306B
R307A
R307B
RL200A
9
10
8
RL200A
4
3
5
R317A
R260A
R261A
m
b
m
b
b
m
m
b
SDCL
SDCH
DCDRV
TIP
(Port1-8)
0
-45V
RING
(Port9-24)
-26V
Voltage and current generated by the SLIC is supplied to the phones.
Preset voltage is -45V(port1-8), -26V (port9-24) (On-hook).
Current is set as 26mA (Off-hook).
5.2.6.     Power Supply
Page of 4
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Here you can view online or download Panasonic KX-TDA6178X / KX-TDA6178XJ (serv.man8) Service Manual Supplement in pdf. This Service Manual Supplement can help you recover, restore, fix, disassemble and repair Panasonic KX-TDA6178X / KX-TDA6178XJ (serv.man8) PBX. Information contained in Panasonic KX-TDA6178X / KX-TDA6178XJ (serv.man8) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).