CDP-XE520 - Sony Audio Service Manual (repair manual). Page 12

Read Sony CDP-XE520 Service Manual online

– 13 –
SECTION  6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
– 14 –
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
• 
¢ 
: internal component.
C
: panel designation.
U
: B+ Line.
V
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : STOP
( ) : PLAY
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
: CD
: digital out
For printed wiring boards.
Note:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
• 
: parts mounted on the conductor side.
• 
® 
: Through hole.
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
IC101 
 FE
1
2
3
4
5
WAVEFORMS
IC101 
 XTAI
IC101 
 RF AC
IC101 
 TE
IC661 
6
 384FS
6
IC101 
@∞
 MDP
7
IC661 
0
 BCK
IC661 
 XOUT
8
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B) pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A) parts face are indicated.
• Indication of transistor
IC501 
 EXTAL
9
C
These are omitted
E
B
Q
C
These are omitted
E
B
MAIN board
HP board
DISPLAY board
LOADING board
POWER SW board
BD board
Note: The components identified by mark 
!
 or dotted line
with mark 
!
 are critical for safety.
Replace only with part number specified.
4.5Vp-p
33.87MHz
3.3Vp-p
33MHz
3.9Vp-p
8MHz
3.9Vp-p
33.8MHz
1.2Vp-p
(PLAY)
2.5V
APPROX 500mVp-p (PLAY)
2.5V
APPROX 200m Vp-p (PLAY)
7.5
µ
sec
2.4Vp-p
5Vp-p
2.1MHz
Page of 33
Display

Click on the first or last page to see other CDP-XE520 service manuals if exist.