DAEWOO ELECTRONICS DPC-7200PD, Руководство по обслуживанию

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IC BLOCK DIAGRAM & DESCRIPTION
U18 BA5954
OET2
OET1
+
+
THERMAL
SHUT DOWN -BY
STAND
SLED
+
12
13
14
10
11
6
7
5
4
3
2
1
8
9
19
15
17
16
18
21
20
23
22
24
26
25
28
27
DRIVER
ACTUATOR
DRIVER
ACTUATOR
DRIVER
DRIVER
LOADING
Vcc
PV cc2 PV cc1
X2
X2
DET AMP.
DET AMP.
VINFC
CFCerr1
CFCerr2
V
VOSL
VNFFC
Vcc
PV
PGND
VOSL-
VOSL+
VOFC-
VOFC+
VOTK+
VOTK-
VOLD+
VOLD-
PGND
VNFTK
PV
BIAS
GND
V LD
CTKerr2
CTKerr1
V TK
STBY
SL+
IN
SL- V
IN
IN
IN
CC2
10K
20K
7.5K
7.5K
7.5K
10K
15K
Pre GND
PGND
PV
CC2
25K
10K
PGND
Vcc
CC1
CC1
PV
7.5K
20K
10K
4 3 2 1
25 26
27
28
10
7
8 9 5 6
BA5954FM
21 22 24
23 20 19
13 12 11 14
18
17
16 15
S
T
B
Y
B
IA
S
C
T
K
e
rr
1
C
T
K
e
rr
2
G
N
D
P
V
V
N
F
T
K
P
G
N
D
V
O
L
D
-
V
O
L
D
+
V
O
T
K
-
V
O
T
K
+
V
IN
F
C
C
F
C
e
rr
1
C
F
C
e
rr
2
V
V
O
S
L
V
N
F
F
C
P
G
N
D
V
C
C
P
V
V
O
S
L
-
V
O
S
L
+
V
O
F
C
-
V
O
F
C
+
IN
S
L
+
IN
V
S
L
-
C
C
1
IN
V
T
K
L
D
IN
V
C
C
2