Daewoo DPC-7909 Series, Service Manual

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VCO VCOM_POWER-
LNR
UND
PIN_180 ROUT PIN_183 PIN_181 PIN_175 VGL GOUT VGH PIN_177 BOUT PIN_173 MOD LNR VCOM_ANOLOG UND
V_BIAS
R_IN
BOUT
B_IN
B_IN
G_IN
ROUT
R_IN
G_IN
GOUT
89P_R
89P_G
89P_B
VCOM
PIN_196
CVBS_IN/OUT
CVBS_INP
CVBS_INP_1
CVBS
CVBS_INP_1
3V3
3V3P
VLC VGH VGL
3V3
3V3
3V3
VCC
VCC
V_BIAS
AMP_VDD
VCC
AMP_VDD
AMP_VDD
V_BIAS
V_BIAS
AMP_VDD
V_BIAS
3V3
+5V
25
VB
2 22
CPH3 STHL
7" PANEL
24 16 10
VCOM STVL
1
Bottom Socket
21
CPH2
26 11 20 17
L/R VR
13 7
GND GND
23
AUO A070FW03 InnoLux AT070TN04 CPT CLAA070WA03 PVI PW070XU3 Elite Star LR070WA01B
CPH1 OEV U/D
6
VCC MOD
12 14
AVDD
᠔
᳝
)3
&
$W
WD
FK
HG
3
DG
ഛ
᥹
Ў
*1
'
3 15 9
VCC VCOM
4
Connector
೼
Comp. Side
⫼
Bottom Type
˗
Connector
೼
Solder Side
⫼
Top Type
˗
VGH OEH
8 18
VGL VG CKV
19
STVR AVSS
5
STHR
Vdc
Vdc
Vdc
BJT Amplifier for RGB Video
CVBS=75R;RGB=160R
C171 10uF C171 10uF
C168 10uF C168 10uF
R227 7.5k R227 7.5k
R228 75R R228 75R
R205 NC R205 NC
R207
0
R207
0
R211 20k R211 20k
R226 1M R226 1M
C110 100pF C110 100pF
C169 10uF C169 10uF
Q19 3904 Q19 3904
1
2 3
C153 22pF C153 22pF
R218 10K R218 10K
+ -
U17B
BA10358/NJM4558
+ -
U17B
BA10358/NJM4558
5 6
7
8 4
C137 15pF C137 15pF
R221 7.5k R221 7.5k
R114 47R R114 47R
C160 100pF C160 100pF
R199 5.6K R199 5.6K
R222 75R R222 75R
CB41 0.1uF CB41 0.1uF
R224 7.5k R224 7.5k
D18 BAT54S D18 BAT54S
1
2
3
L37 1.8uH L37 1.8uH
R214 20k R214 20k
R172
0R/NC
R172
0R/NC
C166 10uF C166 10uF
C126 10uF C126 10uF
C135 10uF C135 10uF
R200
100k
R200
100k
R119 27R R119 27R
L45
10uH
L45
10uH
C154 10uF C154 10uF
R201
160/1%
R201
160/1%
C163 100pF C163 100pF
CB42 0.1uF CB42 0.1uF
Q17 3904 Q17 3904
1
2 3
C159 100pF C159 100pF
C165 1.5pF C165 1.5pF
R209 270R R209 270R
R204
10K
R204
10K
L44 FB/NC L44 FB/NC
R196 0R R196 0R
C172 0.1uF C172 0.1uF
C138 15pF C138 15pF
R220 10K R220 10K
R203
160/1%
R203
160/1%
L50
10uH
L50
10uH
C155 4.7uF C155 4.7uF
L43 10uH L43 10uH
L46
1.8uH
L46
1.8uH
R212 270R R212 270R
C109 100pF C109 100pF
L49
FB
L49
FB
C136 0.1uF C136 0.1uF
C162 100pF C162 100pF
R225 75R R225 75R
L40
FB
L40
FB
C98
0.047uF
C98
0.047uF
R202
160/1%
R202
160/1%
P7 AVJACK P7 AVJACK
2 3
4
1 5
L41
FB/NC
L41
FB/NC
L42
FB
L42
FB
C108 100pF C108 100pF
C173 10uF C173 10uF
R215 270R R215 270R
R195 10K R195 10K
C157 22pF C157 22pF
R208 20k R208 20k
C125
0.1uF/NC
C125
0.1uF/NC
C161 100pF C161 100pF
Q18 3904 Q18 3904
1
2 3
C120 10uF C120 10uF
R229 1M R229 1M
C152
15pF
C152
15pF
C156 22pF C156 22pF
R210 750K R210 750K
C119 0.1uF C119 0.1uF
L48
1.8uH
L48
1.8uH
C170 10uF C170 10uF
C167 10uF C167 10uF
R213 750K R213 750K
HA4
HEADER 26 SMD0.5 BOTTOM
HA4
HEADER 26 SMD0.5 BOTTOM
AVSS
26
AVDD
25
VB
24
VG
23
VR
22
GND
21
VCC
20
CPH1
19
CPH2
18
CPH3
17
STHR
16
STHL
15
OEH
14
MOD
13
LR
12
VCOM
11
VCOM
10
OEV
09
U/D
08
CKV
07
STVL
06
STVR
05
VGH
04
VGL
03
VCC
02
GND
01
R223 1M R223 1M
R206
0
R206
0
C103 100pF C103 100pF
R219 NC R219 NC
C164 10uF C164 10uF
L47
1.8uH
L47
1.8uH
C158 100pF C158 100pF
R198
47k
R198
47k
L38
1.8uH
L38
1.8uH
R197
0R
R197
0R
R216 750K R216 750K
R217 NC R217 NC
-
8
-
(5) VIDEO OUTPUT