TC-WE435
– 15 –
– 16 –
WAVEFORMS
– MAIN SECTION (3/4) –
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
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
¢
: internal component.
•
1
: fusible resistor.
•
C
: panel designation.
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.
•
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 M
Ω
).
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.
• Indication of transistor
C
These are omitted
E
B
1
IC801
#ª
EXTAL
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.
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
TRANS (A) board (
4
E)
(Except SP,MY)
MAIN board
RECVOL board (
4
G)
H.P board (
4
D)
HEAD RELAY (REC/PB) board
(Deck B)
HEAD RELAY (PB) board
(Deck A)
LEAF SW (REC/PB) board
(Deck B)
PANEL board (
4
A)
DIRECTION board (
4
C)
POWER board (
4
F)
LEAF SW (PB) board
(Deck A)
TRANS (B) board (
4
B)
4.4Vp-p
10MHz
•
4
A to
4
G are including into the mounted PANEL board.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
