CFD-Z500, CFD-Z550 - Sony Audio Service Manual (repair manual). Page 24

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5-11. PRINTED WIRING BOARDS — POWER SECTION —  • Refer to page 16 for Circuit Boards Location.
CFD-Z500/Z550
– 35 –
– 36 –
5-12. SCHEMATIC DIAGRAM — POWER SECTION —
TOTAL CURRENT
PB(TAPE) : 200mA
FF/REW :    220mA
REC :          230mA
FM :            170mA
AM :            160mA
PB(CD) :      400mA
STOP(CD) :  200mA
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
WHT
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
3PCS, 4.5V
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
3PCS, 4.5V
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
3PCS, 4.5V
WP1
MAIN BOARD
CNB305
04
POWER TRANSFOMER
(  )
(  )
(  )
(Page 27)
(Page 30)
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
Ref. No.
Location
D901
D-3
D902
D-4
D903
D-3
D904
D-4
D906
E-2
D907
E-2
D908
E-2
• Semiconductor
Location

Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
•
C
: panel designation.
•
U
: B+ Line.
• Total current is measured with no cassette installed.

Note:
The components identi-
fied by mark 
!
 or dotted
line with mark 
!
 are criti-
cal for safety.
Replace only with part
number specified.

Note:
Les composants identifiés par
une marque 
!
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.

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