U5
03
LM
43
1A
C5
15
10
4
L5
05
10
uH
/1
A
C5
06
22
3
L5
07
10
uH
/2
A
L5
06
10
uH
/2
A
BC
50
2
~2
75
V
10
4
BC
50
1
~2
75
V
10
4
L5
02
L5
01
RV
50
1
07
D4
71
F5
01
T1
.6A
/2
50
V
R
K
A
!
!
!
R5
10
4.
7K
R5
09
10
K
R5
08
3.
3K
R5
06 33
0
R5
05
33
oh
m
R5
02
12
0K
/2
W
R5
03
39
K/
2W
!
BC
N5
02
SW
-S
PS
T
!
!
U5
02
25
01
TC
50
2
47
uF
/5
0V
TC
50
1
47
uF
/4
00
V
D5
05
HE
R1
07
C5
02
10
3/
1K
V
C5
03
10
1/
1K
V
L5
03
FB
FL
+
FL
-
-2
1V
DG
ND
+5
V
BC
50
3
~4
00
V
22
1
L5
08
FB
C5
05
10
1
C5
13 10
1
C5
09
10
1
C5
14 10
1
C5
11
10
1
+9
V
-9
V
DG
ND
+3
.3
V
C5
04
10
4
+5
V
DG
ND
+9
V
OK AG
ND
TC
50
4
47
0u
F/
16
V
TC
51
1
10
0u
F/
16
V
TC
51
2
47
uF
/5
0V
TC
50
6
10
00
uF
/1
0V
TC
50
5
10
00
uF
/1
0V
TC
50
9
10
00
uF
/1
0V
TC
51
0
10
00
uF
/1
0V
2 3 4
1
5
CN
50
1
XS
05
D5
08
HE
R1
05
C5
07
10
1
TC
50
3
47
0u
F/
16
V
R5
11
22
0R
/1
W
FB
4
GN
D
1
D
2
VC
C
3
U5
01
5L
03
80
R
R5
07
1K
R5
04
1M
R5
01
68
0K
2W
!
2
3
4
1
5
6
CN
50
2
XS
06
!
!
!
VO
IC
E-
DE
T
SD
+5
V
SA
+5
V
+9
V
DG
ND
DG
ND
DG
ND
~2
20
V
BC
N5
01
IN
1
GN
D
2
OU
T
3
U5
04
LM
78
05
TC
50
8
10
0u
F/
16
V
TC
50
7
47
0u
F/
10
V
SA
+5
V
D5
10
HE
R3
03
ZD
50
1
5.
1V
D5
06
HE
R1
05
D5
09
SR
30
3
D5
11
HE
R1
05
D5
12
HE
R1
05
2 3 4
1
5 6
8 9 10
7
CN
50
3
XS
10
+3
.3
V
+3
.3
V
2
3
4
6
7
10
11
9
12
13
14
15
16
T5
01
EI
28
/8
TC
51
3
10
0u
F/
16
V
D5
03
1N
40
07
D5
02
1N
40
07
D5
04
1N
40
07
D5
01
1N
40
07
C5
08
10
4
C5
10
10
4
-9
V
-9
V
+9
V
AG
ND
OK DE
T
2 3 4
1
CN
50
5
XS
04
SD
+5
V
DG
ND
DG
ND
+1
2V
2 3 4
1
5 6
CN
50
4
XS
06
+5
V
+5
V
ZD
50
2
9.1
V/
1W
34
POWER BOARD SCHEMATIC DIAGRAM
Summary of Contents for BBK921D
Page 1: ...SERVICE MANUAL BBK921D...
Page 4: ...3 Precaution of L aster Diode 3...
Page 5: ...4...
Page 6: ...5...
Page 16: ...8 MPEG BOARD CHECK WAVEFORM 2 IC5L0380R PIN 2 WAVEFORM DIAGRAM 1 27MHz WAVEFORM DIAGRAM 15...
Page 34: ...33 FRONT SCHEMATIC DIAGRAM...
Page 36: ...35 POWER BOARD SCHEMATIC DIAGRAM...
Page 38: ...37 OK SCHEMATIC DIAGRAM...
Page 44: ...43 MIAN SCHEMATIC DIAGRAM...
Page 45: ...44 MIAN SCHEMATIC DIAGRAM...