DOWNLOAD Panasonic KX-TDA0191XJ / KX-TDA0191X (serv.man4) Service Manual ↓ Size: 1.64 MB | Pages: 30 in PDF or view online for FREE

Model
KX-TDA0191XJ KX-TDA0191X (serv.man4)
Pages
30
Size
1.64 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / OTHER CARD 4-CHANNEL MESSAGE CARD (MSG4)
File
kx-tda0191xj-kx-tda0191x-sm4.pdf
Date
PREV: Panasonic KX-TDA0191XJ / KX-TDA0191X (serv.man3) Service Manual / Supplement

Panasonic KX-TDA0191XJ / KX-TDA0191X (serv.man4) Service Manual / Supplement ▷ View online

5
KX-TDA0191XJ / KX-TDA0191X
1.5.
BLOCK DIAGRAM
Change from the Original Service Manual Section 5
1.6.
CIRCUIT OPERATION
1.6.1.
MSG4 CARD
Change from the Original Service Manual Section 6.1
Composition:
DSP IC (IC1, IC4)
Flash ROM (IC2, IC5)
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.
Connector to OPB3
KX-TDA0191XJ/X MSG4 BLOCK DIAGRAM
DSP
DSP
Memory
Memory
VOX
detection (0)
(1)
(0)
VOX
detection (4)
VOX
detection #2
VOX
detection #3
VOX
detection #4
VOX
detection (5)
VOX
detection (6)
VOX
detection (7)
VOX
detection (1)
VOX
detection (2)
VOX
detection (3)
CNG
detection (0)
CNG
detection (1)
P-I/O
CO-CO
connection
Card ID
SLOT1[0:7]
A
B
A
B
6
KX-TDA0191XJ / KX-TDA0191X
1.6.2.
CHP[0]-CHP[7] TIMING CHART
Change from the Original Service Manual Section 6.2
1.6.3.
VOX DETECTION (0:3)
Change from the Original Service Manual Section 6.3
The VOX detection section consists of the DSP (IC1, IC4), operational amplifier (IC30, IC31), comparator (IC32) and 4 VOX
detection circuits.
7
KX-TDA0191XJ / KX-TDA0191X
1.6.4.
VOX DETECTION (4:7)
Addition to the Original Service Manual Section 6
The VOX detection section consists of the PCM CODEC (IC10-13), operational amplifier (IC33, IC34), comparator (IC35) and 4
VOX detection circuits. 
1.7.
TROUBLESHOOTING GUIDE
1.7.1.
MESSAGE REC/PLAY/ERASE CONNOT BE USED
Change from the Original Service Manual Section 4.1
8
KX-TDA0191XJ / KX-TDA0191X
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