Daewoo DF-4500, Service Manual

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43
CIRCUIT SCHEMATICS
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
WID2
RF2
VR
0
ST
BY
P
UH3
P
UH7
SH2
EEP_D
IO
VR
1
SR4
SDATA
FR
WID7
RRF1
P
UH4
GI
O2
WID4
SR2
PO6
P
UH2
2
VR
2
PUH8
P
UH1
2
SLAT
WID6
P
UH1
LED
1
SR3
P
UH4
SR6
MCLK
P
UH1
1
PO10
WID1
P
UH5
EEP_C
S
P
UH2
1
SH4
VR
6
P
UH2
RF1
VR
5
SR5
P
UH3
SR1
SH3
XR
ST
LED
2
SCLK
P
UH6
WID3
EEP_C
L
K
GI
O1
M
PXOU
T
1
M
PXOU
T
2
PO9
GI
O3
ASPREQ
TRIMO
D
E
LI
MI
T
OPU
2
SH1
WID5
SH4
PUH11
VR5
SR1
GIO3
WID4
GIO1
WID7
SR2
MPXOUT2
SH2
SH3
SR4
SR6
GIO2
PUH12
WID6
SR5
SH1
VR6 VR1
VR0
TRIMODE
PO2
WID2
OPU3
WID1
WID3
P
UH1
1
RFSO
Vcc_OEIC
VR4
IIN2
P
UH2
0
PUH24
PUH10
PUH9
PUH23
PUH19
PUH20
PUH21
PUH22
PUH24
PUH10
PUH23
P
UH2
VR3
VR
4
VR
3
P
UH1
SR3
MPXOUT1
MUTE
_
2
MUTE
_
1
RRF1
PO6
PO9
PO10
VR4
GIO1
VR3
TILT-
TILT+
EJECT PLAY
GIO3
GIO2
18-GIO1
PUH9
PO2
PO1
P
UH1
9
VR
3
PUH2
PUH12
TAF- FR-
IINR
LED2
VR4
TMP
Vcc_LD
IIN3
PO2
Vcc_OEIC
LED1
PUH8
OPU1
VR6
LED1
Vcc_LD
IINR
TMP
IIN3
VR3
TAF+ FR+
TR+ TTR+
TR- TTR-
TILT+
TILT-
PUH7
PUH3
PUH4
PUH5
TRIMODE
PUH11
LVDS2P
LVDS3N
LVDS4P
PUH21
PUH22
IIN2
PUH6
PUH1
PO1
P
UH1
1
P
UH1
4
P
UH1
3
VR2
OPU3
LVDS1P
LVDS1N
LVDS2N
LVDS3P
LVDS4N
DVD_RXD DVD_TXD
RVCC
VCC
AVCC
RVCC
RVCC
RVCC
VCC
+3V3_O/F
SR2 [ 8 ]
SR3 [ 8 ]
XRST [ 8 ]
SR1 [ 8 ]
SH2 [ 8 ]
SLAT [ 8 ]
SDATA [ 8 ]
ASPREQ [ 8 ]
SR6 [ 8 ]
SH4 [ 8 ]
SR5 [ 8 ]
WID2 [ 8 ]
MCLK [ 8 ]
SH1 [ 8 ]
RF2 [ 8 ]
RFS [ 8 ]
RF1 [ 8 ]
WID3 [ 8 ]
WID4 [ 8 ]
WID5 [ 8 ]
SH3 [ 8 ]
SR4 [ 8 ]
WID7 [ 8 ]
WID6 [ 8 ]
WID1 [ 8 ]
SCLK [ 8 ]
MUTE_1 [ 11 ]
MUTE_2 [ 11 ]
LIMIT [ 11 ]
VR2 [ 8 ]
18-GIO1 [ 8 ]
OPU1 [ 8 ]
EJECT [ 8 ]
PLAY [ 8 ]
FR+ [ 11 ]
FR- [ 11 ]
TR+ [ 11 ]
TR- [ 11 ]
TILT+ [ 11 ]
TILT- [ 11 ]
OPU2 [ 8 ]
OPU3 [ 8 ]
LVDS3N [ 8 ]
LVDS3P [ 8 ]
LVDS2N [ 8 ]
LVDS2P [ 8 ]
LVDS1N [ 8 ]
LVDS1P [ 8 ]
LVDS4P [ 8 ]
LVDS4N [ 8 ]
DVD_TXD [ 8,9 ] DVD_RXD [ 8,9 ]
VR1 [ 8,11 ]
DRAWN DESIGNED CHECKED APPROVED MODEL
FILE NAME
DATE
REVISED
REV NO. SHEET /
DF-Q74D2N-LS
1.1
DAEWOO ELECTRONICS Digital Video Lab.
DF-Q74D2N-LS.dsn
4 Team
MP
S.D.Park B.Y.Choi W.K.Ihm M.K.Lee
B4. MT1816E&PUH
10 11
Thursday, June 09, 2005
DRAWN DESIGNED CHECKED APPROVED MODEL
FILE NAME
DATE
REVISED
REV NO. SHEET /
DF-Q74D2N-LS
1.1
DAEWOO ELECTRONICS Digital Video Lab.
DF-Q74D2N-LS.dsn
4 Team
MP
S.D.Park B.Y.Choi W.K.Ihm M.K.Lee
B4. MT1816E&PUH
10 11
Thursday, June 09, 2005
DRAWN DESIGNED CHECKED APPROVED MODEL
FILE NAME
DATE
REVISED
REV NO. SHEET /
DF-Q74D2N-LS
1.1
DAEWOO ELECTRONICS Digital Video Lab.
DF-Q74D2N-LS.dsn
4 Team
MP
S.D.Park B.Y.Choi W.K.Ihm M.K.Lee
B4. MT1816E&PUH
10 11
Thursday, June 09, 2005
31
46
47
48
49
50
PD1
LEDA
GND
VCC
IIN1
GND
XOUT5
OUTEN5
XOUTEN2
OUTEN2
OSCMOD
LDEN2
LDEN1
OSCEN
XOUTEN3
OUTEN3
XOUTEN4
OUTEN4
IIN2
IIN3
IIN4
IIN5
VC_PD
TP36 TP36
TP44 TP44
TP51 TP51
2
3 4
5 6
7 8
9 10
11 12
1
JPF03
DIP6X2/P2.54/FC
6x2
JPF03
DIP6X2/P2.54/FC
6x2
C
S
33
0.
015uF
C
S
33
0.
015uF
CS01 1uF CS01 1uF
TP42 TP42
SH1 SH1
TP41 TP41
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
TOP
PF04
HEADER 50 SMD0.5 TOP
H50S/P0.5/A
TOP
PF04
HEADER 50 SMD0.5 TOP
H50S/P0.5/A
C
S
34
0.
015uF
C
S
34
0.
015uF
LF05 FB LF05 FB
CS44
0.1uF CS44
0.1uF
CS03
2.2uF
CS03
2.2uF
TP45 TP45
C
S
21
0.
1uF
C
S
21
0.
1uF
CS27 3300pF CS27 3300pF
WID4 WID4
CS
1
0
C
CS
1
0
C
C
S
12
0.
015uF
C
S
12
0.
015uF
RF42 0 RF42 0
RF3
7
0
RF3
7
0
TP43 TP43
RF1 RF1
CS30
0.1uF
CS30
0.1uF
C
S
41
1uF
C
S
41
1uF
CS59
2.2uF CS59
2.2uF
TP54 TP54
FR
76
VR
5
99
VR
6
100
PUH10
126
PUH9
127
AU
X2
98
AU
X1
97
VR
2
90
AVSS3
82
RRF2
96
WA
3
83
A
V
DD3
86
A
V
DD6
87
VR
0
88
WA
2
84
AVSS2
101
SR
12
15
AVSS7
21
M
PXOU
T
1
95
AVSS6
93
M
PXOU
T
2
94
VR
4
92
VR
1
89
WA
1
85
EEP_SC
LK
71
LED
1
79
EEP_SD
AT
A
72
VR
7
67
LED
2
78
PO6
102
LI
MI
T
77
DRV
O
U
T0
73
GI
O3
68
DRV
O
U
T2
75
DRV
O
U
T1
74
A
G
ND1
81
GI
O2
69
GI
O1
80
WID1
64
VR
3
91
A
V
DD7
26
P
UH1
5
25
P
UH1
6
24
P
UH1
7
23
P
UH1
8
22
RF7
39
RF6
40
RF0
33
RF2
31
RF1
30
RF5
34
RF4
35
RF3
36
RF9
37
RF8
38
AVSS4
32
P
UH1
1
27
P
UH1
2
28
A
V
DD4
29
P
UH1
3
20
A
V
DD5
19
P
UH1
4
16
AVSS5
17
RRF1
18
A
V
DD1
14
P
UH1
13
P
UH2
12
P
UH3
11
P
UH4
10
P
UH0
9
AVSS1
8
P
UH1
9
7
P
UH2
0
6
P
UH2
1
5
P
UH2
2
4
P
UH5
3
P
UH6
2
EEP_C
S
70
MCLK
54
SH1
59
SH2
57
DVDD2
47
WID3
62
DVSS2
43
XR
ST
65
DVSS1
55
SH4
44
SH3
46
DVDD1
53
SCLK
51
SDATA
50
SLAT
52
WID7
56
SR2
48
WID4
61
WID5
60
ASPREQ
49
SR1
45
WID2
63
AGND2
41
PO9
103
PO10
104
AVDD2
105
PO4
106
PO5
107
PO7
108
PO8
109
PO1
113
PO3
111
PO0
110
PO2
112
WID6
58
SR9
116
RFS
42
SR3
117
SR11
114
SR10
115
SR6
119
SR6C
118
SR5
120
SR4
121
SR0C
122
SR0
123
PUH24
124
PUH23
125
P
UH7
1
PUH8
128
GI
O4
66
MT1816E
ICF06
MT1816E
LQFP128/SMD
MT1816E
ICF06
MT1816E
LQFP128/SMD
RF3
5
0
RF3
5
0
CS54
0.1uF CS54
0.1uF
CS46 0.1uF CS46 0.1uF
CS53 0.033uF CS53 0.033uF
CS
0
9
C
CS
0
9
C
SH4 SH4
RF48 0 RF48 0
FR FR
C
S
19
1uF
C
S
19
1uF
WID3 WID3
C
S
11
0.
1uF
C
S
11
0.
1uF
CS29
0.1uF
CS29
0.1uF
C
S
17
1500pF
C
S
17
1500pF
WID1 WID1
RF3
4
0
RF3
4
0
RF40
750K RF40
750K
TP48 TP48
CS62
2.2uF CS62
2.2uF
GIO2 GIO2
C
S
16
1500pF
C
S
16
1500pF
C
S
23
3300pF
C
S
23
3300pF
RF2 RF2
PO2 PO2
RF38 0 RF38 0
TP53 TP53
RF47 0 RF47 0
C
S
24
3300pF
C
S
24
3300pF
C
S
14
1500pF
C
S
14
1500pF
RF43 0 RF43 0
TP46 TP46
RF49 0 RF49 0
C
S
13
0.
1uF
C
S
13
0.
1uF
C
S
22
0.
1uF
C
S
22
0.
1uF
CS31
0.1uF
CS31
0.1uF
CS57
0.1uF
CS57
0.1uF
C
S
35
0.
015uF
C
S
35
0.
015uF
TMP TMP
CS
0
8
C
CS
0
8
C
CS64
10uF CS64
10uF
RF31 10K RF31 10K
NC5 NC5
RF32
10K RF32
10K
WID6 WID6
RF3
6
0
RF3
6
0
RF4
5
R
RF4
5
R
RF30 10K RF30 10K
RF39
750K RF39
750K
PO1 PO1
TP33 TP33
CS52 1000pF CS52 1000pF
TILT-1 TILT-1
TP38 TP38
RF4
6
R
RF4
6
R
MPXOUT2 MPXOUT2
CS
2
5
0.
1uF
CS
2
5
0.
1uF
CS50 6800pF CS50 6800pF
TILT+1 TILT+1
CS55
0.015uF CS55
0.015uF
TRIMODE TRIMODE
TP40 TP40
TP56 TP56
TP49 TP49
CS56
0.1uF
CS56
0.1uF
CS28
0.047uF
CS28
0.047uF
C
S
43
470pF
C
S
43
470pF
CS32
0.1uF CS32
0.1uF
CS63
0.1uF CS63
0.1uF
MPXOUT1 MPXOUT1
CS48
0.01uF CS48
0.01uF
LF04 FB LF04 FB
TP52 TP52
C
S
38
1uF
C
S
38
1uF
CS05
0.1uF CS05
0.1uF
RRF1 RRF1
CS06
2.2uF CS06
2.2uF
STBY STBY
CS58
2.2uF CS58
2.2uF
C
S
18
0.
1uF
C
S
18
0.
1uF
C
S
37
0.
1uF
C
S
37
0.
1uF
CS61
0.1uF CS61
0.1uF
WID2 WID2
+
CS45
47uF/16v A
+
CS45
47uF/16v A
TP50 TP50
C
S
36
0.
1uF
C
S
36
0.
1uF
TP55 TP55
C
S
42
1uF
C
S
42
1uF
CS
1
SK
2
DI
3
DO
4
VCC
8
NC
7
ORG
6
GND
5
ICF07
93C66
ICF07
93C66
RF41 0 RF41 0
CS04
2.2uF CS04
2.2uF
TP37 TP37
C
S
40
1uF
C
S
40
1uF
GIO1 GIO1
C
S
20
1uF
C
S
20
1uF
TP47 TP47
SH2 SH2
C
S
39
1uF
C
S
39
1uF
SH3 SH3
CS60
0.1uF CS60
0.1uF
CS49 0.1uF CS49 0.1uF
TP39 TP39
RF4
4
R
RF4
4
R
CS07
0.1uF CS07
0.1uF
CS02
0.1uF
CS02
0.1uF
CS47
0.1uF CS47
0.1uF
C
S
15
1500pF
C
S
15
1500pF
CS51 1000pF CS51 1000pF
GIO3 GIO3
WID7 WID7
R
F
33
33K
R
F
33
33K