March 2000 © TOSHIBA TEC
7-89
DP120F/DP125F Circuit Description
The monitoring signal volume-controlled by IC14 is amplified by the OP amplifier (IC15) and
output to the speaker.
Signal Name
Type
Active
Description
Destination
MONISEL
O
H
Line Monitoring Select Signal
IC8
TONESEL
O
H
Line/Tone Select Signal
IC8
RING/TONE
O
H
Ring/Tone Select Signal
IC8
SPVOL0-2
O
H
Speaker Volume Control Signals 0-2
IC14
Summary of Contents for DP120F
Page 1: ...PLAINPAPERFACSIMILE File No 31200001 R0112216901 TTEC ...
Page 401: ...DP120F DP125F Circuit Description 7 92 March 2000 TOSHIBA TEC 07 05 00 Fig 7 5 1 ...
Page 656: ...DP120F DP125F Troubleshooting 11 44 March 2000 TOSHIBA TEC ...
Page 700: ...DP120F DP125F Appendix 12 2 March 2000 TOSHIBA TEC 1 2 Error Count List ...
Page 701: ...March 2000 TOSHIBA TEC 12 3 DP120F DP125F Appendix 1 3 Function List for Maintenance ...
Page 702: ...DP120F DP125F Appendix 12 4 March 2000 TOSHIBA TEC 1 4 Drum Unit ...
Page 703: ...March 2000 TOSHIBA TEC 12 5 DP120F DP125F Appendix 1 5 Memory Dump List ...
Page 706: ...SHUWA SHIBA PARK BLDG A 2 4 1 SHIBA KOEN MINATO KU TOKYO 105 8524 JAPAN ...