Read Panasonic KX-TDA0191XJ / KX-TDA0191X (serv.man4) Service Manual Supplement 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.
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
B
A
B
B
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