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AV 4/4 Schematic Diagram
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
F
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
A
V
D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
RISK OF FIRE-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
S4
S3
S2
S1
1-8-25
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F2101) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
T4
U4
T3
U3
T2
U2
T1
U1
REC Audio Signal (Digital)
W4
V4
W3
V3
V2
W2
V1
W1
1-8-26
AV 4/4
Ref No.
Position
PB Audio Signal (Digital)
ICS
X4
IC2101
T-1
V-4
IC4502
V-3
IC4503
TRANSISTORS
T-2
Q2101
Q2102
T-3
S-1
Q2103
V-3
Q2203
Q2204
V-2
V-2
Q2205
Q2207
U-2
W-2
Q4501
CONNECTORS
X3
CN2202
X-1
X-1
CN2203
CN4502
X-4
X2
X1
E6502SCAV4
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