DOWNLOAD Panasonic KX-TDA0192XJ / KX-TDA0192X (serv.man2) Service Manual ↓ Size: 1.14 MB | Pages: 37 in PDF or view online for FREE

Model
KX-TDA0192XJ KX-TDA0192X (serv.man2)
Pages
37
Size
1.14 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / 2-CHANNEL SIMPLIFIED VOICE MESSAGE CARD
File
kx-tda0192xj-kx-tda0192x-sm2.pdf
Date
PREV: Panasonic KX-TDA0192XJ / KX-TDA0192X Service Manual / Supplement

Panasonic KX-TDA0192XJ / KX-TDA0192X (serv.man2) Service Manual ▷ View online

5
KX-TDA0192XJ/KX-TDA0192X
3 Technical Descriptions
3.1.
Block Diagram
Connector to OPB3
KX-TDA0192X/XJ ESVM2 BLOCK DIAGRAM
DSP
Memory
VOX
detection (0)
(0)
VOX
detection (4)
VOX
detection #2
VOX
detection (5)
VOX
detection (1)
CNG
detection (0)
P-I/O
CO-CO
connection
Card ID
SLOT1[0:7]
A
B
6
KX-TDA0192XJ/KX-TDA0192X
3.2.
Circuit Operation
3.2.1.
ESVM2 Card
Composition:
DSP IC (IC1)
Flash ROM (IC2)
Circuit Operation:
This card has four voice message circuits. The voice message circuit is composed of DSP and Flash ROM.
DSP has the functions that PCM recording and playback, voice prompting, tone detection and generation.
DSP stores Flash ROM with voice data and voice prompt.
3.2.2.
CHP[0]-CHP[7] TIMING CHART 
7
KX-TDA0192XJ/KX-TDA0192X
3.2.3.
Vox Detection (0:1)
The VOX detection section consists of the DSP (IC1), operational amplifier (IC30), comparator (IC32) and 2 VOX detection cir-
cuits.
3.2.4.
Vox Detection (4:5)
The VOX detection section consists of the PCM CODEC (IC10, IC11), operational amplifier (IC33), comparator (IC35) and 2
VOX detection circuits. 
8
KX-TDA0192XJ/KX-TDA0192X
4 Location of Controls and Components
4.1.
Names and Locations
Overview
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