Panasonic KX-TDA3194XJ Service Manual ▷ View online
5
KX-TDA3194XJ
3 Technical Descriptions
3.1.
Block Diagram
CN101
DHW[1]
C4M
LD[7:0]
LA[0]
C4M
LD[7:0]
LA[0]
LDHW[1]
HWCLK[0]
HWCLK[0]
LUHW[1]
nCSx
LA[11-10]
nHW_FH
SHW_CLK
nSHW_FH
C8K
C16K
LA[11-10]
nHW_FH
SHW_CLK
nSHW_FH
C8K
C16K
nRD
nWR
nWR
DX0
nDSPCS
HW_FH
nDSPCS
HW_FH
nDSPACK
nPDN
nDSPRST
nPDN
nDSPRST
Card_ID[7:0]
LA[3:0]
LD[7:0]
nRD
nWR
LD[7:0]
nRD
nWR
+5V
+3.3V
GND
+3.3V
GND
DTMFR[0]
DTMFR[1]
DTMFR[1]
CNGDET
VOX[3:0]
CS_PIO
PIO-ASIC
CO-CO
transfer
transfer
AGC,REC
DSP
IC1
IC2
Flash
Memory
CPLD
IC9
IC5
CNGSEL
IC7
CNG
detection(0)
VOX
detection(0)
VOX
detection(1)
VOX
detection(2)
VOX
detection(3)
CODEC
IC10
CODEC
IC11
KX-TDA3194XJ BLOCK DIAGRAM
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KX-TDA3194XJ
3.2.
Circuit Operations
3.2.1.
ESVM2 CARD
Composition:
DSP IC (IC1)
Flash ROM (IC2)
Circuit Operation:
This card has a voice message circuit of DSP and Flash ROM.
The DSP has the functions of PCM recording and playback, voice prompting, tone detection, VOX detection and FAX tone defec-
tion.
The DSP stores voice data and voice prompts in the Flash ROM.
DSP IC (IC1)
Flash ROM (IC2)
Circuit Operation:
This card has a voice message circuit of DSP and Flash ROM.
The DSP has the functions of PCM recording and playback, voice prompting, tone detection, VOX detection and FAX tone defec-
tion.
The DSP stores voice data and voice prompts in the Flash ROM.
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KX-TDA3194XJ
4 Location of Controls and Components
4.1.
Names and Locations
KX-TDA30 (The PBX)
5 Installation Instructions
5.1.
Installation of KX-TDA3194 (ESVM2 Card)
Function
2-channel simplified voice message card for Simplified Voice Message feature.
Accessory and User-supplied Items
Accessory (included): Extension Bolt x 1, Screw x 1
User-supplied (not included): none
User-supplied (not included): none
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KX-TDA3194XJ
5.2.
Installing/Removing the Optional Service Cards
Slot Position
KX-TDA50
*
1
Slots 10 and 11 accept only cards which do not have external ports. Therefore, these slots do not have removable cover
plates.
*
*
2
Slot 02 has an LCOT4 card pre-installed.
*
3
Slot 01 contains the pre-installed Hybrid Ports. No optional service card can be installed.
Slot Restrictions
The following table shows the slot restrictions. "
" indicates that the slot supports the optional service card.
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