Waveform - Sony MVC-FD85 Service Manual

MVC-FD85/FD90

WAVEFORM

CD-246/248,PK-50/52
4-3. WAVEFORM
CD-246
(MVC-FD90 model)
REC/PB
1
127µsec
2
33.3msec
3
6.5µsec
4
33.3msec
5
6
7
4-55
CD-248
BOARD BOARD
(MVC-FD85 model)
REC/PB
1
IC101 1,3 IC201 1,3
6.5µsec 6.5µsec
8.7Vp-p 8.7Vp-p
127µsec
2
IC101 2 IC201 2
24.0Vp-p 24.0Vp-p
40msec
3
IC101 4,6 IC201 4,6
8.8Vp-p 8.8Vp-p
127µsec 6.5µsec 127µsec
4
IC101 5 IC201 5
24.0Vp-p 24.0Vp-p
40msec
5
IC101 8 IC201 8
1.0Vp-p 1.3Vp-p
127µsec 127µsec
6
IC101 qf IC201 qf
3.7Vp-p 3.3Vp-p
81.5nsec 81.5nsec
7
IC101 qg,qh IC201 qg,qh
3.6Vp-p 3.3Vp-p
81.5nsec 81.5nsec
PK-50/52
BOARD
(MVC-FD90/FD85 model)
REC/PB
1 9
IC901 8 IC904 wk
3.8Vp-p
440mVp-p
85nsec
H
2 q;
IC901 9 IC904 wa,ws
3.8Vp-p
512nsec
400mVp-p
H
3 qa
IC901 q; IC904 qh,qj
3.4Vp-p
220mVp-p
127µsec
H
4 qs
IC901 w; IC802 8
450mVp-p
H
11.5Vp-p
2H
5 qd
IC901 ws IC802 9
400mVp-p
11.5Vp-p H
2H
6 qf
IC901 wf IC802 q;
200mVp-p
H
11.5Vp-p
2H
7 qg
IC904 ej IC802 w;
3.0Vp-p
H
4.4Vp-p
2H
8
qh
IC904 ef
IC802 ws
3.4Vp-p
V
4.4Vp-p
2H
4-56
qj
IC802 wf
4.4Vp-p
2H
qk
IC901 ej
3.0Vp-p
H
ql
IC901 ef
3.4Vp-p
V
w;
IC901 wh
3.4Vp-p
86nsec
wa
IC902 7
6.7Vp-p
127µsec