Read Sony HCD-EC50DC / MHC-EC50DC Service Manual online
23
23
HCD-EC50DC
HCD-EC50DC
TRANSISTOR board
P-AMP board
GUARD (A) board
MAIN board
JACK board
PANEL board
PT board
DC JACK board
GUARD (B) board
P-AMP-L board
BD83S board
• Circuit Boards Location
• Waveforms
5
IC801
w;
(XOUT)
13.3
µ
s
1.5 Vp-p
500m V/DIV, 4
µ
s/DIV
6
IC701
qd
(X0A/P90)
30.5
µ
s
2.2 Vp-p
0.5 V/DIV, 10
µ
s/DIV
7
IC701
od
(X0)
239 ns
3.3 Vp-p
1 V/DIV, 100 ns/DIV
1
IC201
u;
(RFACO)
(CD PLAY mode)
200 mV/DIV, 500 ns/DIV
2
IC201
<z/,
(XTAO)
(CD PLAY mode)
1 V/DIV, 20 ns/DIV
3
IC201
1
(LRCK)
(CD PLAY mode)
1 V/DIV, 10
µ
s/DIV
4
IC201
5
(BCK)
(CD PLAY mode)
1 V/DIV, 200 ns/DIV
0.5 to 1.3 Vp-p
59.1 ns
3.3 Vp-p
22.7
µ
s
3.3 Vp-p
472 ns
3.4 Vp-p
– BD83S Board –
– PANEL Board –
– MAIN Board –
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