Sony CFD-E75 - REFERENCE WAVEFORMS AND BOARD LOCATIONS

CFD-E75
2323
• Waveforms
– CD Board –
1 IC701 4 (RF) (CD Play mode)
500 mV/DIV, 1 µs/DIV
2 IC701 qd (FE) (CD Play mode)
20 mV/DIV, 1 µs/DIV
3 IC701 qg (TE) (CD Play mode)
20 mV/DIV, 1 µs/DIV
4 IC701 rk (XOUT)
1 V/DIV, 10 ns/DIV
8 IC801 ud (TX)
1 V/DIV, 10 µs/DIV
0.85 ± 0.2
Vp-p
Approx.
90 mVp-p
Approx.
60 mVp-p
2.9 Vp-p
29.5 ns
– TUNER Board –
5 IC2 w; (XOUT)
500 mV/DIV, 5 µs/DIV
1.4 Vp-p
13.3
µ s
– TC Board –
6 T301 (Tape Record mode)
20 V/DIV, 5 µs/DIV
33.6 Vp-p
17.2 µs
– MAIN Board –
7 IC801 es (XTAL)
1 V/DIV, 100 ns/DIV
3.4 Vp-p
239 ns
3.6 Vp-p
30.6 µs
• Circuit Boards Location
KEY POWER board
JOG board
OPR/BATT LED board
TC board
KEY VOLUME board
TUNER board
MAIN boar
d
CD board
BATY A boar
d
BATY B board
BACK-UP board
LCD board
POWER board
AC INLET board