Page 1
DV7831-A2(TV)main-2007-08-01.sch-1 - Wed Dec 05 14:49:06 2007
AREA
voltage
R138
R201
R58
R60
12K
R203
1K
FB24
POWER/LED
NC
USB5V
R12 R11
OPEN 22K
47K
47K
22K
47K
X-SCL
X-SDA
R200
1K
ENDEND+
RESET
KEY0
KEY1
RA.CTL/INT.BT
TFT.CS
SYS5V
TFT+5V
LAMP+/MICDTH/MIC+
RA.CTL/INT.BT
BACK-VIN
VOUT1
R183
CARD.GND
DD+
ACCIN
TFT.SCL
intercontiental
Europe
0V-0.8V
America0.8V-1.5V
Japan
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
Russia
Taiwan
FB25
1.5V-2.5V
2.5-3.5V
3.5V-5V
33R
33R
470R
D
TV-SCL
TV-SDA
POWER/LED
R202
12K
C
CN5
3029
AUX-L
AUX-R
AGND
VGND
B
SIP30
UGND
AUX-V
A
R199
75R
22K
47K
OPEN
LAMP+/MIC-
AUX-LIN
AUX-RIN
TFT.SDA
DTH
FB7
10K
DTH/MIC+
SYS5V
CLOSE
LOAD
BRAKE
BACKSIGHT
TFT.CLOSE
TFT.OPEN
C71
106
OPEN
AM(KHz) FM(MHz)
87.5-108
522-1620
530-1710
87.5-107.9
522-1620
522-1620
522-1620
87.5-108
IR
FWD
REV
SCL
SDA
000
R27
0R
R410R
IR
SYS5V
R26
C8
RESET
102
AUX-VIN
CPU5V
76-90
65-108
R218
0R
R220
1K
22K
R46
3.9K
22K
R39
J5
22K
R54
22K
R38
22K
R48
FB320
L1
AM STEP
FREQ
9K(Hz)
10K(Hz)
10K(Hz)
10K(Hz)
10K(Hz)
22K
R37
22K
R47
C3
104
LAMP+
DTH
22K
R36
22K
22K
R45
FM STEP
FREQ
50K(Hz)
200K(Hz)
100K(Hz)
50K(Hz)
50K(Hz)
22K
R34
R35
22K
R42
D1
10K
IN4148
22K
R33
R56
22K
22K
TFT.RESET
10K
R57
10K
R2
R30
E1
10U
1K
X-SCL
X-SDA
CN7
10K
R51
R49
NC
R17
R44
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
4
5
R1
X1
C1
27P
8MHZ C2
CPU5V
TFT-CTL
SW2.AV
SW1.AV
BEEP
MUTE
44
45
46
47
48
P15/IR.IN
P16/FWD
P17/REV
P50/SCL
P51/SDA
P52/CLOSE.SW
P53/OPEN.SW
P54/LOAD.SW
P30/BACK
P31/BACKSIGHT
P32/TFT.CLOSE
P33/TFT.OPEN
P34/TFT.LAM.ON
P35/TFT.RESET
P36/TFT/TV.SCL
P37/TFT/TV.SDA
VSS2XIN3XOUT4TEST5VDD6XIN/P217XOUT/P228RESET9DTH/P2010DVD.CS/P0011DVD.RST/P0112END-/P0213END+/P0314DVD.DI/P0415DVD.DO/P0516DVD.CLK/P06
1
100K
10K
R90
220R
R40
27P
BEEP/P11
SW2.AV/P13
TFT.CTL/P12
32.768K
C4
27P
MUTE/P10
48
SW1.AV/P14
6 5 4 3 2 1
PDF created with pdfFactory trial version www.pdffactory.com
RA.CTL/INT.BT
DVD-CTL
POWER-CTL
D2
IN4148
41
42
43
DVD.CTL/P47
POWER.CTL/P46
TMP86FS49FG
X3
C5
27P
J6
NC
LAMP-CTL
40
RA.CTL/P45
LAMP.CTL/P44
TFT.IN/P73
TFT.DET
AF.MUTE
TV-CTL
38
39
TV.CTL/P43
AF.MUTE/P42
ACC/P74
U108
RDS.CLK/P07
43K
R21
SYS5V.CTL
PLL-DO
R28
2K2
36
37
SYS5V/P41
32
31
AVDD
18
17
3
PLL-DI
R242K2
R252K2
35
PLL.DI/P77
PLL.DO/P40
TFT.OUT/P71
S.METER/P65
RDS.SDA/P64
USB.DET/P62
RDS/TV/P60
SW3
OUT
SW
SW1
SW2
PLL-CLK
PLL-CE
R232K2
33
34
PLL.CE/P75
PLL.CLK/P76
TFT.CS
KEY1/P67
KEY0/P66
ST.SD/P63
AREA/P61
AVDD
4
12
R94
22K
R3
4K7
C7
104
32
31
30TFT.DET/P72
29
28
27
26
25
24
23
SD.DET
22
21
20
19
18
17
104
3
10K
C9
SW4
MM2235
AUX(IN2)TV(IN1)
1
1
ACC
47K
R18
R20
R13
22K
R11
R12 NC
FB320
L2
22K
10K
22KR522KR710KR822KR922K
R4
R6
3
4
12
12K
4K3
R95
R96
1
0
10K
S.METER
SYS5V
RDS.SDA
ST/SD
R59
123456
CVBS(IN3)
0
0
22K
47K
R22
R14
R32 10K
NC
NC
R31
NC
R80
R29
22K
R132
22K
R65
RDS/TV/ON/OFF
SYS5V
RDS.SCL
DVD-CLK
DVD-DO
DVD-DI
END+
ENDDVD-RST
DVD-CS
DTH
4
12
SYS5V
22K
10K
R10
R126
SW5
4
12
3
SW6
END- END+
10K
R43
TFT.IN
TFT.DET
TFT.OUT
TFT.CS
KEY1
KEY0
SYS5V
CPU5V
R64
NC
TFT.IN
TFT.OUT
COMPANY:
DV7831-A2(TV)
DRAWN:
SCALE:
SD.DET
C46
104
SD.DET
MUTE
CLOSE
OPEN
LOAD
DVD-RST
DVDOL
DVDOR
A+9V
DVD-CS
DVD-CLK
DVD-DI
DVD-DO
DVD5V
DVD5V
3
3
CHECKED:
DATED:
MOMO+
GND
GND
GND
GND
SYS5V
SW1
SW2
2007-08-01
C47
104
C57
104
LED+9V
CN1
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
CON25
4
12
4
12
D
C
B
26 27
A
MODEL: CLIENT:
REV:
SHEET: OF
Page 2
DV7831-A2(TV)main-2007-08-01.sch-2 - Wed Dec 05 14:49:07 2007
180
VCC-IN
R162
100U
D
180
R112
100U
C
R115 180
9V1
ZD101
DVDOR
B
DVDOL
RADIO-R
RADIO-L
AUX-R
AUX-L
VCC-IN
R116
R117
R118
R119 12K
R120 1K
R121
R122
R123 12K
R91
100R
A
E109
E110
47U
E100
E101
47U
104
R160
10K
C151
104
R161
10K
C109
104
10K
104
R113
10K
R114
C115
C116 106
106
106
106
AUX-RIN
C118
AUX-LIN
47K
106
R458
C150
104
C112
VCC
E102
100U
C114
6.8K
12K
470P
C64
6.8K
470P
C65
C119
C120
C117
12K
106
1K
E6
+
100U/16V
R459
47K
C101
C102 106
C104 106
C123
E4
+
100U/16V
106
C103
E103
C122 152
TV-L
10K
R457
C448
104
106
22U
C121 152
C156
224
TV-R
C124
104
C446
R10110K
R10410K
10K
R108
R11010K
R468
225
224
R455
R456
2
3
5 +
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
8
-
+
KIA4558
4
3K3
R102
R1033K3
3K3
R107
R1093K3
REF
VDD
AGND
CODE
TREB_L
TREB_B
RIN
ROUT
LOUD_R
RIN4
RIN3
RIN2
RIN1
NC
LOUD_L
LIN4
22K
C447680P
120K
VCC
OUT1
U2
OUT2
GND
1K
1
7
R105
U103
PT2312
R111
BOUT_R
BOUT_L
E3
DATA
DGND
FLOUT
FROUT
RLOUT
RROUT
BIN_R
BIN_L
LOUT
LIN1
LIN2
LIN3
220uf
2
3
5
6
2
3
5
6
CLK
LIN
+
E5
R100
IN1-
IN1+
IN2+
IN2-
C100
C110
24K
IN1-
IN1+
IN2+
IN2-
24K
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
2U216V
U101
4558
R106
C111
U102
4558
C113
Q1S8050
R460
560R
24K
101
8
VCC
1
OUT1
7
OUT2
4
GND
101
24K
101
8
VCC
1
OUT1
7
OUT2
4
GND
101
R447
R448
R449
R450
Q6 S8050
R193
1k
C128
C127
C126
C125
390K
390K
390K
390K
R467
100K
6 5 4 3 2 1
PDF created with pdfFactory trial version www.pdffactory.com
C105 106
C106 106
C107
C108
104
104
104
104
C157225
SCL
SDA
R1285K6
R1295K6
LRO
LFO
RRO
RFO
R194
WOOFER
123456
DRAWG SIZE: A3
C54
106
C56
106
R124
CON9
9
8
GND
7
6
5
4
D
3
2
1
CN6
1K
R222
56K
C
CN2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
B
A
MUTE
04APP./DATE: 02
R
C37
4.7K
R226
Q16
3904
681
C136
681
C137
681
C138
681
C139
10K
R154
C130
10U/6.3V
E106
47U
11
12
15
14
4
106
ZD102
1K
IN1
IN2
IN3
IN4
STBY
D12
IN4148
C129
104
220K
220K
VCC-IN
3K3
220K
3K3
220K
FR/LINOUT
FL/LINOUT
RR/LINOUT
RL/LINOUT
Q105
S8550
MUTE
R134
1K
R153
100K
R155
R227
R225
C132
5K6
R141
C133
5K6
R144
C134
5K6
R147
C135
5K6
R150
22K
10K
105
105
105
105
10K
BEEP
R130 2K2
R131 2K2
R125 2K2
R127 2K2
SYS5V
R204
680
RESET
R139 3K3
R148
47K
R152
RESET
Q15
S8550
R140
R142 3K3
R143
R145
R146
R149
D11
IN4148
RFO
LFO
106
RRO
LRO
106
100K
R151
AMUTE
223
C141
1k
10
C140
SVR
104
106
AMUTE
C41
R135
1K
Q101
S8050
BACK12V
25
DIA
U104
TDA7381B
MUTE
22
6
VCC1
ACGND
16
E108
4.7U
L
20
VCC
SGND
13
DRAWG NO:
R224
56K
Q102
S8050
3300U/25V
OUT+
PGND
OUT-
OUT2+
PGND
OUT2-
OUT3+
PGNG
OUT3-
OUT4+
PGND
OUT4-
TAB
1
R1581K
R136
1K
9
8
7
5
2
3
17
18
19
21
24
23
C3875
Q106
AUX-L
AUX-R
R223
AUX-V
56K
R99
1K
Q9
S8050
223
E22
C131
RR+
RR-
FR+
FR-
FL+
FL-
RL+
RL-
224
C44
R157
C55106
BACK12V
ACCIN
WOOFER
GND
ANT
GND
RL-
RL+
FLFL+
RR+
RRFR+
FR-
L
R
D101
IN5401
10K
R221
56K
C51 106
Q10
S8050
BACK12V
Page 3
DV7831-A2(TV)main-2007-08-01.sch-3 - Wed Dec 05 14:49:08 2007
6 5 4 3 2 1
DRAWG SIZE: A3
CTE-7010AF/EU
ANT1
AM.ANT2FM.ANT3AM.LOC4FM.DX5GND6FM.VT7GND8GND9AM.VCC10GND11OSC12FM.VCC13VCC14AM.VT15GND16L.OUT17R.OUT18GND19NC20ST.RQ21S.M22SD/ST.INO23SNC24DET.OUT25VCC26MUTE.DRI27GND28GND
D
L301 4.7UH
IN4148
IN4148
D301
D302
R301 1K
C
S.METER
R170 470K
R891K
R88 NC
B
PLL-DI
PLL-CLK
PLL-CE
10K
10K
R322
R323 10K
R326
A
R324
1
FM.VT
C302
C301
100P
R311
10K
ST/SD
LOCAL
FM/AM
IF/REQ
10K
C323
33P
223
C317
223
R328
4K7
R302
Q301
C3875
8
OT-39VDD
7
OT-2
6
OT-1
5
DATA
4
CLOCK
3
PERIOD
2
XT
1
XT
TC9256F
U1
100K
4.5MHz
X301
C303 223
AMIN
FMIN
IFIN1
IFIN2
DO2/OT4
C324
33P
GND
DO1
R303 1K5
220R
10
11
12
13
14
15
16
R177
C304 223
105
C305
R329 5K6
MO/ST
C306 105
C321 103
C322 102
C320 102
104
C59
TUNER2
104
2K2
R304
C307
C308 223
104
E301
220U
C309
VT
VT
47K
R332
PDF created with pdfFactory trial version www.pdffactory.com
47K
R333
R185
100R
10K
R313
10K
R327
223
C310
C318
AF-MUTE
47K
R189
102
C72
C312
223
104
Q302
C3875
RADIO-5V
D4
R180
100K
R314
R315 10
R316
C14 105
ZD301
5V1
Q8
C3875
C73
103
IN4148
C311 102
680R
2R2
10
Q303
R186 NC
R187
S8550
C3875
D
3K3
R308
3K3
R307
22K
VT
RDS-VCC
Q305
22K
R309
S8550
R310
153
C313
C314 153
82K
R317
33K
R318
4K7
R188
223
C325
Q12
R191
150R
E305
220U
330
R335
L4
33UH
104
C58
R181
1K
R184
470R
C3875
R190
NC
E13
1UF
S8550
Q304
R319 82K
8K2
R320
10R
R300
Q13
C16
MODEL:
PART NO:
PART NAME:
DRAWG NO:
C315
682
47K
104
C316
682
R55
R29110R
C18
680P
7
8
CIN
SCOUT
U110
SAA6579
MODE10TEST11VSSD12VDDD13XOUYT14XI15T5716RDCL
9
10R
R292
47U
E83
C17
104
RDS PART
DRN./DATE:
CHK./DATE:
APP./DATE: 04
RADIO-R
RADIO-L
RADIO-9V
C
AF.MUTE
0R
C12
NC
104
C15
R176
RDS.AF
C13
103
4
5
MUX
VDDA6VSSA
X6
4.332MHz
C19
33P
C20
R171
33R
RDS.SDA
1
QUAL2RDDA3VREF
33P
33R
R178
E84
2.2U
RDS.SCL
B
A
FILE NAME:
FILE NO:
REV:UPDATE:REV:UPDATE:
01
03
02
123456
Page 4
DV7831-A2(TV)main-2007-08-01.sch-4 - Wed Dec 05 14:49:08 2007
Q402
22R
78M05
DVD5V
R168
R163
E401
220U
R84
M.CTL
100R
270R
104
R9810K
R971K
C61
104
IN4001
D7
E24
ZD7
9V1
100U
C10
104
L3
C30
E16
220U
E17
220U
DVD-CTL
E8
220U
R192
10R 1W
R402
C401
U112
AP1507
4
1
R401
10K
10K
Q401
3904
FB
VIN
GND
5SD6
M.CTL
2
VOUT
3
NC
R404
104
C402
R403
L401
100UH/2A
5822
D401
NC
0R
C403
104
VCC-IN A+9V
U14
78R05
1
IN2OUT
R86
GND4EN
3
10K
R85
10R 1W
R77
C63
104
U3
VOUT
VIN
GND
C62
104
1K
DRAWG SIZE: A3
BACK12V
Q108
LED+9V
R137
2R2
L7806CV
C419
104
3
IN
R133 2R2
B
1K
Q107
3904
FB320
L400
1132
C50
104
ANT
L402
MGND
C60
104
C70
FB320
104
CN401
1
2
2PIN-2.0mm
R167
10K
R169
10K
E C
1132
R166
C162
223
ACCIN
SYS5V
5
6
8
RIN
GND
U117
BA6287F
C29
TFT+5V
MO9V
104
VREF7OUT2
OUT12VM3VCC4FIN
1
E23
100U
C400
C42
10R
R173
R425
U116
10K
104
TA7291S
MO9VMO9V
U114
1
OUT
GND
2
IN22VCC23OUT24NC5GND6VCC17OUT18VREF9IN1
1
E409
C411
104
100U
R424
ZD5
1K
R423
C412
104
REV
1K
FWD
MO-
MO+
6V8
ACC
ZD403
P13
P33
1K
E410
10U
TFT.OPEN
TFT.CLOSE
C67
104
Q410
7V5
R427
1K
3904
CN4
1
C43
2
104
C68
104
CON2
C69
104
R426
C413
223
1K
R159
R156
1K
R15
2R2
R16
2R2
104
TFT-CTL
10K
R87
Q5
3904
104
LED2
CD-LED
C31
LED1
POWER-LED
VCC-IN
R415
Q404
R416
1K
A1952
220U
C410
E2
104
ZD401
9V1
10K
Q408 1664
R421
560R
C32
104
POWER-CTL
R417
10K
R420
Q405
3904
10K
C33
Q407
3904
104
RA.CTL/INT.BT
PDF created with pdfFactory trial version www.pdffactory.com
R61
680R
E405
100U
E413
220U
ACCIN
RADIO-9V
C34
223
47R 1/4W
R431
LAMP-CTL
C415
223
SYS5V
R435
E411
C414
223
47U
U118
78L05
3
IN
L404
1
OUT
10UH
GND
2
C416
Q4111132
R429
R428
10K
E412
223
47U
SYS5V.CTL
1K
10K
R430
CPU5V
LAMP+
Q412
E C
10K
R433
10K
C35
223
2R2 1/2W
R432
1132
B
R434
1K
Q415
3904
MODEL:
PART NO:
PART NAME:
DRAWG NO:
L7809CV
3
IN4148
U119
1
OUT
IN
GND
2
E414
100U
C417
104
D10
FILE NAME:
DRN./DATE:
CHK./DATE:
APP./DATE: 04
FILE NO:
REV: UPDATE: REV:UPDATE:
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TV-SDA
TV-SCL
ANT3
2
1
GND4
16
GND3
15
GND2
14
GND1
13
ANT
12
R75
R74
SUMSUNG(TCPH6121P30A)
1IF2BT3
1K
1K
C26
C27
56P
TUNER1
SAS4SDA5SCL6SIF7B+8AGC9AFT10AUDIO.OUT11VIDEO.OUT
EC5
100U
C48
C53
56P
R175
103
103
0R
TV-VIN
33UH/0805
L6
D8
R76
IN4148
10K
D9
IN4148
R174
U5
VOUT
VIN
C22
105
GND
78M05
R83 10K
Q4
R82 100K
D3
3906
IN4148
R81
BRAKE-IN
1K
7V5
ZD2
C28
223
VCC-IN
330R
100U
R72
C25
ZD1
E9
5V1
104
U107
BA7623F
1
GND
2
IN
3
IN
4
IN
VOUT2
R179
75R
E10 220U
VOUT3
E11 220U
R19
75R
VOUT1
E7 220U
R73
75R
5
VCC
6
OUT
7
OUT
8
OUT
ANT2
SYS5V
BRAKE
2
1
DRAWG SIZE: A3
MM2235
OUT
SW
SW1
SW2
R79
22K
C49
106
C52 106
1
1
TV-L
TV-R
AUX(IN2)TV(IN1)
1
0
BACKSIGHT
22K
22R 1/4W
R182
C23
Q3
1132
104
VCC-IN
10K
R52
R531K
R50 10K
9018
Q2
330R
R172
5V1
ZD3
E12
100U
R70
75R
SW1.AV
104
C40
U106
5
IN3
6
VCC
7
VOUT
8
GND
NJM2235
R63
10K
SW2.AV
R62
10K
C24
C21
104
104
CVBS(IN3)
0
0
10K
3904
R165
R164
Q11
C45
223
10K
BACK-IN
CN3
33UH/0805
1
2
3
4
5
6
7
8
2.0MM/6PIN
CN9
1
2
TV-CTL
VOUT2
VOUT3
BACK-VIN
BACK-IN
BRAKE-IN
L5
CON2
1
IN1
2
SW1
3
IN2
4
SW2
C6
106
C38
106
VDAC
AUX-V
AUX-VIN
C39
106
R66
75R
R68
75R
TV-VIN
R69
75R
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DV7831-A2(TV)main-2007-08-01.sch-6 - Wed Dec 05 14:49:09 2007
BC3
U501
DRAWG SIZE: A3
VCC-IN
CN502
INT
10
RA.CTL/INT.BT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18
SDA
9
R501
220R
TFT.SDA
SCL
8
R502
220R
TFT.SCL
CARD.GND
10K
10K
EC503
100U/16V
IN4148
C11
C36
100U/10V
10UH/0805
L501
IN4001
D13
EC1
D5IN4148
D6
106
BT-R
106
BT-L
USB5V
R503
22K
R507
R508
22K
10K
C503
104
5.1K
GND
7
5
6
LAMP+/MIC-
4
DTH/MIC+
3
1
2
AMS1117(3.3V)
U503
2
C501
104
EC501
100UF/16V
VOUT
ADJ
1
VIN
3
100U/16V
R505 5.1K
EC502
C502
104
LOUT+
R504
LOUT-
GND
MCI+
MIC-
3V3
2
IN1-
3
IN1+
5
IN2+
6
IN2-
R506
330R 1/4W
U504
4558
MO9V
BACK12V
OUT1
OUT2
8
VCC
1
7
4
GND
R510
R92
R93
47K
TV-R
TV-L
U6
R214
10K
1
IN2OUT
78R05
GND4EN
3
R212
10K
ACCIN
10R 1W
R78
1415
MS-D2
R71 33
R67
1
MS-D3
2
MS-BS
3
10
11
12
13
4
5
6
7
8
9
SENSE1
GND
VCC-3.3V
MS-CLK
GND
MS-D0
MS-D1
WP
GND2
GND3
SD501
SD-CARD-13P
SD.DET
D-
33
D+
USB5V
R217
22K
R216
470K
D-
R215
100K
Q17
3904
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