Sylvania DV220SL8 A, Руководство по обслуживанию

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1-11-3
Audio Block Diagram (DV225SL8)
OUTPUT
-SELECT(1)
REC AMP
SERIAL I/F
9
8
AU
T
O
BIAS
11
P-ON+5V
P-ON+5V
Q421
BIAS OSC
Q422
Q426 (PB=ON)
Q425
SWITCHING D-REC OFF
6
EQ AMP
LINE AMP
MUTE
LPF
10
SP/LP-ON
P
R
ALC
76
80
78
TUNER
LINE 1
LINE 2
4
A
U
DIO-PB/REC
CN504
3
A-COM
1
AE-H
2
AE-H/FE-H
A
UDIO
HEAD A
UDIO
ERASE HEAD
A
CE HEAD
ASSEMBLY
FE HEAD
(DECK
ASSEMBLY)
1
FE-H
2
FE-H-GND
CN501
MAIN CB
A
PB AUDIO SIGNAL
REC AUDIO SIGNAL
Mode : SP/REC
58
55
53
54
D-REC-H
A
U
DIO-MUTE-H
TO SER
V
O/SYSTEM
CONTR
OL BLOCK
DIA
GRAM
FULL ERASE HEAD
YCA-CS
YCA-SCL
YCA-SD
A
A
UDIO(R)-IN-F
A
UDIO(L)-IN-F
A
UDIO(L)-IN
A
U
DIO(R)-IN
A
U
DIO(R)-OUT
A
U
DIO(L)-OUT
N-A-OUT
N-A-IN
JK752
A
UDIO(R)
-IN1 A
UDIO(L)
-IN1 JK754 A
UDIO(L)
-IN2 JK755 A
UDIO(R)
-IN2
T
O
Hi-Fi A
U
DIO
BLOCK DIA
GRAM
TO D
VD VIDEO/A
UDIO
BLOCK DIA
GRAM
<D
VD SECTION>
FR
ONT
REAR
IC752 (OUTPUT SELECT)
D
V
D-A
UDIO(L)
D
V
D-A
U
DIO(R)
3
2
4
5
TP753
A-OUT (R)
TP754
A-OUT (L)
SW CTL
LINE VCR
LINE VCR
JK751
A
UDIO(R)
-OUT1 A
UDIO(L)
-OUT1
JK756
A
UDIO(R)
-OUT2 A
UDIO(L)
-OUT2
9
10
11
5 3
12 13
14
4
OUTPUT
-SELECT(2)
T
O
SER
V
O/SYSTEM
CONT
OL BLOCK
DIA
GRAM
D
VD A
UDIO SIGNAL
A
U
DIO SIGNAL
PR
OCESS
IC301
IC751 (OUTPUT SELECT)
SW CTL
DV
D
DV
D
VCR/LINE
VCR/LINE
9
10
11
5 3
12 13
14
4
E8E00BLA