BBK DL385DC, Service Manual, Page: 29 / 41

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AN2546
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SZ MPEG ELECTRONIC CO.,LTD
1
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Monday, January 10, 2005
Title Size
Document Number
Rev
Date:
Sheet
of
VCOM_OUT
COM_DC
R-Y
VCC(5.0V)
B-Y
VFF(+7.5V)
TFT_3.3V
VCOM_OUT
CVBS/Y_IN C_IN
CVBS/Y_IN_1
C_IN_1
C
VBS/YC CONTROL
GND
VFF(+7.5V) TFT_17V VCC(5.0V) MODE C
VBS/YC CONTROL
C-IN_1
COM_DC
SDA VGND CVBS/Y_IN_1 AGND PN1
AGND
AGND TFT_-13V SCL
TFT_3.3V
TFT_-13V
PN1
C_IN
[3]
VCC(5.0V)
[3]
VCOM
[2]
SCL
[3]
SDA
[3]
SYNCIN
[2]
PDL
[2]
VFF(+7.5V)
[3]
VCC(5.0V)
CVBS/Y_IN
[3]
HSYNCIN
[2]
VDBIN
VCC(5.0V)
[3]
BLUE
[2]
GREEN
[2]
RED
[2]
BLACK
[2]
VCC(5.0V)
0
L14
33uH
R58
10k
C49 0.1u
TFT_
17V
1
1
AN2546FH
U1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
XL_PALN
R-YOUT
B-YOUT
R-YIN
B-YIN
VCC1_5V
VREF
R_ANALOG_IN
G_ANALOG_IN
B_ANALOG_IN
R_DET
G_DET
B_DET
R_OSD_IN
G_OSD_IN
B_OSD_IN
YS
BLACK
BOUT
BOUT_DET
GOUT
GOUT_DET
GND
DRV_DET
VCC2_7.5V
R_OUT
ROUT_DET
VCOM_OUT
VCC3_3.3V
PWM
VD HD
SCP_OUT
C_SYNC
VD_IN
EXT_POL
VSS
N_RGB
L_DET
VDD
GND
AFC_DET
VC0_ADJ
VCC4_5V
NAV1_SYNC
SYNC_IN
SCL
SDA
PDNR COM_DC BLK_ADJ Y_IN TRAP_OUT TRAP_IN Y_DET ACC_DET C_IN VCC5_5V GND KILL_DET APC_DET SC_OUT XL_NTSC XL_PAL
C37
47u/10V
C36
10u/25V
Y1
3.579545M
R116
10k
C45
0.1u
Y2
4.435M
R54 56k
Q104
3904
1
2 3
TG
1
1
C80
10P(B)
Q10 3904
VGND
1
1
R53 56k
C81
10P(B)
SDA
1
1
C76 0.1u
C103
47u/10V
C39 1u(B)
U5
TDA4665
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
VP2 NC3 GND2 I.C SAND NC4 I.C I.C
VP1
GND1
VO(R-Y) VO(B-Y)
NC2
VI(B-Y)
NC1
VI(R-Y)
C78
22n(B)
VCO
M
1
1
R80 330R
C52
2.2u(B)
C77
0.1u(B)
R94 75R
C64
1u(B)
R81
68k
TFT_-
13V
1
1
C51
2.2u(B)
C94 0.1u
C65
1u(B)
C50
0.01u(B)
R76
5.6k
Q12
S8550
C72
39P
C47
2.2u(B)
C_IN_
1
1
1
R77
5.6k
C98
27P
C85
1u(B)
Q9 3904
R75 5.6k
U9
74HCT4066
1 2 3 4 5 6
9 10 11 12 13 14
7
8
1Y 1Z 2Z 2Y 2E 3E
3Z 4Z 4Y 4E 1E
VCC
GND
3Y
VFF(+7.5V
)
1
1
C93
0.1u
Q8 3904
R74 5.6k
L13 10uH
R6
100R
C61
47u/10V
R59
22k
C66 0.1u(B)
TB
1
1
R100
0R
C89 0.1u
R60
10k
C67 0.1u(B)
C99
10u/16V
C48 0.1u
R101
OPEN
R56 47k
C100 47u/10V R55 180k
C88 47n(B)
C40
0.01u(B)
CVBS/Y-I
N_1
1
1
R84 1M
VCOM_
OUT
1
1
SYNC
IN
1
1
Q4
3904
CVBS/YC CON
TROL
1
1
C84
1000P
Q5 3904
Q3
3904
AGND_
2
1
1
Q6 3904
R66
180k
C87 22n(B)
Q7 3904
C42
1000P
R67
100k
C86 474
R86 15k
R79
10k
R63
100k
R65
330k
R83 3.3k
R87 33k
C43 220P
R96 1k
R82 10k
C79
1u(B)
C44 470P
R88 15k
C70
2.2u(B)
R89 33k
D5 3V
ICP2
ASM-1117-3.3V/SOT-223
2
1
3
VOUT
GND
VIN
R118
10k
J1 CON16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
C83
0.1u
R91 1K
C71
22U/10V
C90
4.7u/10V
LP2
33uH
VCC(5.0V)
1
1
L15
0R
R97
10R
R51
9.1k
R90 1k
C62 0.1u
C91
1u(B)
R70
0R
PN1
1
1
C92 4.7u/10V
C68 47u/10V
C69
0.1u
AGND_
1
1
1
COM_DC
1
1
C41
10u/16V
C82
47u/10V
C34
10u/16V
R29 3.3k
R117 1k
TR
1
1
R28 3.3k
C73
0.1u(B)
Q2
S8550
R73
0R
Q11
S8050
Q1
S8050
HSYNCI
N
1
1
R49
22k
R34
3.3k
AGND_
3
1
1
C75
0.1u
R48
100R
R50
100R
C74
0.1u(B)
SCL
1
1
R52 15k
R98 75R
U7
NJM2082
1
2
3
4 5
6
7
8
AOUT
A- IN
A+ IN
V- B+IN
B-IN
BOUT
V+
R78
2.2k
R57
33k
MOD
E
1
1