5-2. CIRCUIT BOARDS LOCATION
– 16 –
•
For schematic diagrams.
• 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.
• U : B+ Line.
• V : B– Line.
• H : adjustment for repair.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
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 portant le numéro
spécifié.
•
For printed wiring boards.
• X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
• Transistor of “B” and “C” indication is omitted.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
no mark : PB (DECK B)
( ) : REC (DECK B)
< > : PB (DECK A)
[ ] : STOP
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
E : PB (DECK A)
d : PB (DECK B)
G : REC (DECK B)
• Abbreviation
CND : Canadian model.
AUS : Australian model.
SP : Singapore model.
MY : Malaysia model.
CH : Chinese model.
POWER board
MAIN board
RECVOL board
H.P board (TC-WE425/WE525)
HEAD RELAY (REC) board
HEAD RELAY (PB) board
LEAF SW (B) board
DISPLAY board
DIRECTION board
(Except US, Canadian)
POWER1 board
(Except US, Canadian)
POWER2 board
(US, Canadian)
LEAF SW (A) board
ECB
omitted
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