Read Panasonic KX-TDA0144XJ / KX-TDA0144CE (serv.man4) Service Manual Supplement online
19
KX-TDA0144XJ/KX-TDA0144CE
1.6.2.
DESCRIPTION OF THE LINE CIRCUIT
Changed from the original service manual section 7.2.
Bch data
Bch PCM data is transmitted via the gain control block and the local highway I/F in ASIC (IC1) following the echo canceller
(IC706)
(IC706)
→CSMG2 [Including ADPCM transcoder function] (IC104, IC204, IC304, IC404)→DNIC (IC1A~H) (same as the reverse
bus).
CHS4 is generated by the timing generator in ASIC.
CS port 4-7 is configured by using LDHW1/LUHW1 and by mounting one more block of below circuits.
CHS4 is generated by the timing generator in ASIC.
CS port 4-7 is configured by using LDHW1/LUHW1 and by mounting one more block of below circuits.
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