e-STUDIO170F Circuit Description
January 2005 © TOSHIBA TEC
7 - 54
EU/AU models
Fig.7-36
0
1
0
1
RLY3
CML relay
RLY4
Relay
DC
consumption
circuit
Dial pulse
generation
circuit
-
DB1
+
~
~
Ring signal
detection
circuit
CI
External TEL
control
circuit
RGCLK
EXTHOOK
External
TEL
Main PBA
AG
IC6
IC6
IC4
IC4
IC3
Analog
switch
IC5
Analog
switch
CNG signal
detection
circuit
T1
ANSDET
RLADJ1
RLADJ2
TXOUT
ATT3DB
LD
CML
REVB
REVA
RXIN
CN3
CN4
Lb
La
a2
b2
Line
NCU PBA
CN5
a2
b2
0
1
0
1
RLY5
Relay
EXTTEL
Line current
detection
circuit
Содержание ESTUDIO170F
Страница 1: ...SERVICE MANUAL PLAIN PAPER FACSIMILE e STUDIO170F File No SME04002900 R04102171300 TTEC Ver01_2005 05 ...
Страница 2: ... 2005 TOSHIBA TEC CORPORATION All rights reserved ...
Страница 192: ...e STUDIO170F Function Settings January 2005 TOSHIBA TEC 4 132 ...
Страница 214: ...e STUDIO170F Mechanical Description January 2005 TOSHIBA TEC 5 22 ...
Страница 308: ...e STUDIO170F Circuit Description January 2005 TOSHIBA TEC 7 78 ...
Страница 372: ...e STUDIO170F Removal Replacement Adjustment January 2005 TOSHIBA TEC 8 64 ...
Страница 490: ...e STUDIO170F Appendix January 2005 TOSHIBA TEC 12 8 ...
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