Sony CDP-XB820 Service Manual ▷ View online
– 17 –
• Circuit Boards Location
TRANS board
AC SW board
HP board
VC SELECT board
KEY board
SPINDLE board
DISP board
MAIN board
SLED board
LOADING board
BD board
– 18 –
• Waveforms
– BD Board –
– BD Board –
1
IC103
!§
(RFO) (PLAY MODE)
500 mV/DIV, 1 µs/DIV
5
IC101
^¶
(BCLK)
2 V/DIV, 200 ns/DIV
2
IC101
$¡
(TE) (PLAY MODE)
200 mV/DIV, 1 µs/DIV
3
IC101
#ª
(FE) (PLAY MODE)
100 mV/DIV, 500 ns/DIV
4
IC101
^∞
(LRCK)
2 V/DIV, 10 µs/DIV
6
IC101
0
(WFCK)
2 V/DIV, 100 µs/DIV
– MAIN Board –
1
IC301
@•
(XOUT)
2 V/DIV, 20 ns/DIV
1.2
±
0.2 Vp-p
Approx.
570 mVp-p
570 mVp-p
Approx.
240 mVp-p
240 mVp-p
5.8 Vp-p
22.8
µ
s
5.8 Vp-p
472
µ
s
5.8 Vp-p
136
µ
s
3.4 Vp-p
45 MHz
– DISP Board –
1
IC801
#ª
(EXTAL)
2 V/DIV, 50 ns/DIV
4.2 Vp-p
8 MHz
7
IC101
!™
(XPCK)
2 V/DIV, 100 ns/DIV
6.6 Vp-p
230 ns
CDP-XB820
– 19 –
– 20 –
6-3.
PRINTED WIRING BOARD – BD Section –
•
See page 17 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D101
E-4
IC101
D-3
IC102
C-4
IC103
B-3
Q101
A-3
Q102
A-3
(Page 23)
(Page 23)
(Page 25)
CDP-XB820
6-4.
SCHEMATIC DIAGRAM – BD Section –
•
See page 18 for Waveforms.
•
See page 39 and 40 for IC Block Diagrams.
– 21 –
– 22 –
(Page 27)
(Page 24)
(Page 24)
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