Diagrams; Circuit Boards Location - Sony TC-WE435 Service Manual

6-1. CIRCUIT BOARDS LOCATION

LEAF SW (PB) board
(Deck A)
POWER board ( 4 F)
DIRECTION board ( 4 C)
HEAD RELAY (PB) board
(Deck A)
PANEL board ( 4 A)
LEAF SW (REC/PB) board
(Deck B)
• 4A to 4G are including into the mounted PANEL board.
SECTION 6

DIAGRAMS

TRANS (A) board ( 4 E)
(Except SP,MY)
TRANS (B) board ( 4 B)
MAIN board
RECVOL board ( 4 G)
H.P board ( 4 D)
HEAD RELAY (REC/PB) board
(Deck B)
– 15 –
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 Ω and
1 / W or less unless otherwise
4
specified.
• % : indicates tolerance.
• : internal component.
¢
• 1 : fusible resistor.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark ! or dotted une marque ! sont critiques
line with mark ! are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part piéce por tant le numéro
number specified. spécifié.
• U : B+ Line.
• V : B– Line.
• H : adjustment for repair.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : STOP
( ) : REC
< > : PB
∗
: Can not be measured.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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.
d : PB
G : REC (DECK B)
• Abbreviation
CND : Canadian model.
AUS : Australian model.
SP : Singapore model.
MY : Malaysia model.
CH : Chinese model.
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
• Transistor of "B" and "C" indication is omitted.
• Indication of transistor
B C E
These are omitted
– 16 –
TC-WE435
WAVEFORMS
– MAIN SECTION (3/4) –
1
4.4Vp-p
10MHz
IC801 #ª EXTAL