Sony ZS-S50CP Service Manual page 19

• Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
W : indicates side identified with part number.
•
: internal component.
f
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated.
• Indication of transistor
C
Q These are omitted.
B E
ZS-S50CP
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1 / W or less unless otherwise
4
specified.
•
: internal component.
f
• C : panel designation.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
• A : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 4.5 V and fed with regurated dc power
supply from pin 1 and 4 of KH905 on the TERMINAL
(A) board, and power voltage is dc 9 V and fed with
regurated dc power supply from pin 3 and 4 of KH905
on the TERMINAL (A) board.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark :CD PLAY
– TU Board –
no mark : FM
( ) : AM
– Other Boards –
no mark : FM
( ) : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveform are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveform.
• Signal path.
F : FM
f : AM
J : CD PLAY
i : AUDIO IN
• Abbreviation
EE : East European model
IT : Italian model
MX : Mexican model
RU : Russian model
SP : Singapore model
TH : Thai model
• Circuit Boards Location
KEY (TOP-L) board
PANEL (TOP) board
LCD board
JACK (HP) board
TU board
19 19
MAIN board
JACK (AU IN) board
KEY (TOP-R) board
TERMNAL (B) board
CD board
TERMNAL (A) board
MOTOR board
POWER board
ZS-S50CP
Ver. 1.1