LCD2007 vietnam
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2007
HƯỚNG DẪN TÌM BO HỎNG
TV LCD 2007
Phòng bảo hành
PANASONIC VIỆT NAM
1
SƠ LƯỢC HỆ THỐNG
2
VỊ TRÍ CÁC BO MẠCH
DC-DC converter
Bo nguồn
KEY Control
K
Chuyển mạch AV
Xử lý âm thanh
AP
P
Inverter
H
DG
(HDMI)
HDMI, xử lý hình ảnh số
3
Sơ đồ tín hiệu
DG
IC4503
HDMI1
HDMI SW
HDMI2
Analog
Digital
IC4200
H
TU3200
HQ1L
IC3001
IC4207
LVDS TX
LVDS
LCD
Panel
TUNER
AV1
IC8001
AV2
VIDEO
SWITCH
AV3
YPBPR
Monitor Out
Peaks Lite2
IC4510
A/D
Converter
and
HDMI-RX
PC
IC4001
SUBSCREEN
G
AV4
4
SCALING/
IP CONVERTER/
PICTURE CORRECT/
OSD
IC1100
STB
MCU
MẠCH NGUỒN - BO MẠCH P
5
Khi chưa cắm nguồn AC
Power SW
K
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
21-22
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
11-12
14
15
Q7212
Q7211
Q7210
Panel 12V
KEY SCAN
PANEL ON
3.3V
21
23
5-6
1-2
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
IC2106
STEREO
DECODER
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
MAIN 9V
STB5V
12V
3.3V
21
23
5-6
1-2
H6
DG6
SOS
38 SOUND 38
39 SOS
39
48 MAIN ON 48
SUB ON
49
49
54 KEY
54
55 PANEL ON 55
24V DET
56
56
ALL OFF
77
77
11-12
14
15
16-17
700 series only
V
V1
STB3.3V 4
2
SUB5V
GS
GS8
SUB3.3V 3
Back Lights
INV ON
INV
SOS
INVERTER
12V
LCD Panel
Panel
Controller
12V
INV ON
INV SOS
12V
6
DG52
1
DG1
4
12
24V
+24V
V+
V-
SUB5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
Q7206
Q7214
Q7213
Q7205
Q7208
Q7209
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
23
700
series
only
H2
8-9
VIDEO SW
Q2636
Q2637
16-17
9
Audio Amp
17-18
21-22
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
IC2302
H3A
2-3
6
IC2008
IC2010
P9
5-8
24V DET
17-18 DTV_9V
SUB_5V
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
IC3001
IC7501
DTV
9V
RL802
DTV9V
DTV9V
Audio Amp
IC7401
Line
Filter
DG
IC2301
IC7301
P8
1
30V TUNER
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
K8
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Khi cắm nguồn AC
Power SW
K
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
21-22
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
11-12
14
15
Q7212
Q7211
Q7210
Panel 12V
KEY SCAN
PANEL ON
3.3V
21
23
5-6
1-2
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
IC2106
STEREO
DECODER
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
MAIN 9V
STB5V
12V
3.3V
21
23
5-6
1-2
H6
DG6
SOS
38 SOUND 38
39 SOS
39
48 MAIN ON 48
SUB ON
49
49
54 KEY
54
55 PANEL ON 55
24V DET
56
56
ALL OFF
77
77
11-12
14
15
16-17
700 series only
V
V1
STB3.3V 4
2
SUB5V
GS
GS8
SUB3.3V 3
Back Lights
INV ON
INV
SOS
INVERTER
12V
LCD Panel
Panel
Controller
12V
INV ON
INV SOS
12V
7
DG52
1
DG1
4
12
24V
+24V
V+
V-
SUB5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
Q7206
Q7214
Q7213
Q7205
Q7208
Q7209
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
23
700
series
only
H2
8-9
VIDEO SW
Q2636
Q2637
16-17
9
Audio Amp
17-18
21-22
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
IC2302
H3A
2-3
6
IC2008
IC2010
P9
5-8
24V DET
17-18 DTV_9V
SUB_5V
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
IC3001
IC7501
DTV
9V
RL802
DTV9V
DTV9V
Audio Amp
IC7401
Line
Filter
DG
IC2301
IC7301
P8
1
30V TUNER
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
K8
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Bật công-tắc nguồn
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
21-22
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
11-12
14
15
Q7212
Q7211
Q7210
Panel 12V
KEY SCAN
PANEL ON
3.3V
21
23
5-6
1-2
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
IC2106
STEREO
DECODER
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
MAIN 9V
STB5V
12V
3.3V
21
23
5-6
1-2
H6
DG6
SOS
38 SOUND 38
39 SOS
39
48 MAIN ON 48
SUB ON
49
49
54 KEY
54
55 PANEL ON 55
24V DET
56
56
ALL OFF
77
77
11-12
14
15
16-17
700 series only
V
V1
STB3.3V 4
2
SUB5V
GS
GS8
SUB3.3V 3
Back Lights
INV ON
INV
SOS
INVERTER
12V
LCD Panel
Panel
Controller
12V
INV ON
INV SOS
12V
8
DG52
1
DG1
4
12
24V
+24V
V+
V-
SUB5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
Q7206
Q7214
Q7213
Q7205
Q7208
Q7209
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
23
700
series
only
H2
8-9
VIDEO SW
Q2636
Q2637
16-17
9
Audio Amp
17-18
21-22
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
IC2302
H3A
2-3
6
IC2008
IC2010
P9
5-8
24V DET
17-18 DTV_9V
SUB_5V
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
IC3001
IC7501
DTV
9V
RL802
DTV9V
DTV9V
Audio Amp
IC7401
Line
Filter
DG
IC2301
IC7301
P8
1
30V TUNER
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29 STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Tín hiệu SUB ON: Đóng rơle
nguồn
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
21-22
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
11-12
14
15
Q7212
Q7211
Q7210
Panel 12V
KEY SCAN
PANEL ON
3.3V
21
23
5-6
1-2
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
IC2106
STEREO
DECODER
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
MAIN 9V
STB5V
12V
3.3V
21
23
5-6
1-2
H6
DG6
SOS
38 SOUND 38
39 SOS
39
48 MAIN ON 48
SUB ON
49
49
54 KEY
54
55 PANEL ON 55
24V DET
56
56
ALL OFF
77
77
11-12
14
15
16-17
700 series only
V
V1
STB3.3V 4
2
SUB5V
GS
GS8
SUB3.3V 3
Back Lights
INV ON
INV
SOS
INVERTER
12V
LCD Panel
Panel
Controller
12V
INV ON
INV SOS
12V
9
DG52
1
DG1
4
12
24V
+24V
V+
V-
SUB5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
Q7206
Q7214
Q7213
Q7205
Q7208
Q7209
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
23
700
series
only
H2
8-9
VIDEO SW
Q2636
Q2637
16-17
9
Audio Amp
17-18
21-22
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
IC2302
H3A
2-3
6
IC2008
IC2010
P9
5-8
24V DET
17-18 DTV_9V
SUB_5V
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
IC3001
IC7501
DTV
9V
RL802
DTV9V
DTV9V
Audio Amp
IC7401
Line
Filter
DG
IC2301
IC7301
P8
1
30V TUNER
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Tín hiệu SUB ON (tiếp)
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
21-22
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
11-12
14
15
Q7212
Q7211
Q7210
Panel 12V
KEY SCAN
PANEL ON
3.3V
21
23
5-6
1-2
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
IC2106
STEREO
DECODER
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
MAIN 9V
STB5V
12V
3.3V
21
23
5-6
1-2
H6
DG6
SOS
38 SOUND 38
39 SOS
39
48 MAIN ON 48
SUB ON
49
49
54 KEY
54
55 PANEL ON 55
24V DET
56
56
ALL OFF
77
77
11-12
14
15
16-17
700 series only
V
V1
STB3.3V 4
2
SUB5V
GS
GS8
SUB3.3V 3
Back Lights
INV ON
INV
SOS
INVERTER
12V
LCD Panel
Panel
Controller
12V
INV ON
INV SOS
12V
10
DG52
1
DG1
4
12
24V
+24V
V+
V-
SUB5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
Q7206
Q7214
Q7213
Q7205
Q7208
Q7209
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
23
700
series
only
H2
8-9
VIDEO SW
Q2636
Q2637
16-17
9
Audio Amp
17-18
21-22
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
IC2302
H3A
2-3
6
IC2008
IC2010
P9
5-8
24V DET
17-18 DTV_9V
SUB_5V
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
IC3001
IC7501
DTV
9V
RL802
DTV9V
DTV9V
Audio Amp
IC7401
Line
Filter
DG
IC2301
IC7301
P8
1
30V TUNER
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Tín hiệu SUB ON (tiếp)
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
11-12
14
15
Q7212
Q7211
Q7210
Panel 12V
KEY SCAN
PANEL ON
3.3V
21
23
5-6
1-2
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
IC2106
STEREO
DECODER
SUB5V
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
MAIN 9V
STB5V
12V
3.3V
21
23
5-6
1-2
H6
DG6
SOS
38 SOUND 38
39 SOS
39
48 MAIN ON 48
SUB ON
49
49
54 KEY
54
55 PANEL ON 55
24V DET
56
56
ALL OFF
77
77
11-12
14
15
16-17
Q7206
Q7214
Q7213
700 series only
V
Q7205
Q7208
Q7209
V1
STB3.3V 4
2
SUB5V
Back Lights
GS
GS8
SUB3.3V 3
INV ON
INV
SOS
INVERTER
12V
12V
INV ON
INV SOS
12V
11
DG52
1
DG1
4
12
LCD Panel
Panel
Controller
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
24V
+24V
V+
V-
DTV9V
DTV9V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
Q2636
Q2637
16-17
9
VIDEO SW
23
700
series
only
H2
8-9
IC3001
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
Audio Amp
IC2008
IC2010
P9
5-8
24V DET
IC2302
H3A
2-3
6
17-18
17-18
SUB_5V
21-22
21-22
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
DTV_9V
IC7501
DTV
9V
RL802
DG
Audio Amp
IC7401
Line
Filter
TUNER
IC2301
IC7301
P8
1
30V
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Tín hiệu MAIN ON (1/2)
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
Q7212
Q7211
Q7210
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
11-12
14
15
Panel 12V
KEY SCAN
PANEL ON
3.3V
IC2106
STEREO
DECODER
11-12
14
15
16-17
Q7206
Q7214
Q7213
SUB5V
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
21
23
5-6
1-2
MAIN 9V
H6
38
39
48
49
54
55
56
77
DG6
SOS
SOUND 38
SOS
39
MAIN ON
48
SUB ON
49
KEY
54
PANEL ON
55
24V DET
56
ALL OFF
77
STB5V
12V
3.3V
21
23
5-6
1-2
700 series only
V
Q7205
Q7208
Q7209
V1
STB3.3V 4
2
SUB5V
Back Lights
GS
GS8
SUB3.3V 3
INV ON
INV
SOS
INVERTER
12V
12V
INV ON
INV SOS
12V
12
DG52
1
DG1
4
12
LCD Panel
Panel
Controller
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
24V
+24V
V+
V-
DTV9V
DTV9V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
Q2636
Q2637
16-17
9
VIDEO SW
23
700
series
only
H2
8-9
IC3001
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
Audio Amp
IC2008
IC2010
P9
5-8
24V DET
IC2302
H3A
2-3
6
17-18
17-18
SUB_5V
21-22
21-22
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
DTV_9V
IC7501
DTV
9V
RL802
DG
Audio Amp
IC7401
Line
Filter
TUNER
IC2301
IC7301
P8
1
30V
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Tín hiệu MAIN ON (2/2)
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
Q7212
Q7211
Q7210
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
11-12
14
15
Panel 12V
KEY SCAN
PANEL ON
3.3V
IC2106
STEREO
DECODER
11-12
14
15
16-17
Q7206
Q7214
Q7213
SUB5V
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
21
23
5-6
1-2
MAIN 9V
H6
38
39
48
49
54
55
56
77
DG6
SOS
SOUND 38
SOS
39
MAIN ON
48
SUB ON
49
KEY
54
PANEL ON
55
24V DET
56
ALL OFF
77
STB5V
12V
3.3V
21
23
5-6
1-2
700 series only
V
Q7205
Q7208
Q7209
V1
STB3.3V 4
2
SUB5V
Back Lights
GS
GS8
SUB3.3V 3
INV ON
INV
SOS
INVERTER
12V
12V
INV ON
INV SOS
12V
13
DG52
1
DG1
4
12
LCD Panel
Panel
Controller
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
24V
+24V
V+
V-
DTV9V
DTV9V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
Q2636
Q2637
16-17
9
VIDEO SW
23
700
series
only
H2
8-9
IC3001
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
Audio Amp
IC2008
IC2010
P9
5-8
24V DET
IC2302
H3A
2-3
6
17-18
17-18
SUB_5V
21-22
21-22
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
DTV_9V
IC7501
DTV
9V
RL802
DG
Audio Amp
IC7401
Line
Filter
TUNER
IC2301
IC7301
P8
1
30V
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Tín hiệu PANEL ON (1/2)
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
Q7212
Q7211
Q7210
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
11-12
14
15
Panel 12V
KEY SCAN
PANEL ON
3.3V
IC2106
STEREO
DECODER
11-12
14
15
16-17
Q7206
Q7214
Q7213
SUB5V
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
21
23
5-6
1-2
MAIN 9V
H6
38
39
48
49
54
55
56
77
DG6
SOS
SOUND 38
SOS
39
MAIN ON
48
SUB ON
49
KEY
54
PANEL ON
55
24V DET
56
ALL OFF
77
STB5V
12V
3.3V
21
23
5-6
1-2
700 series only
V
Q7205
Q7208
Q7209
V1
STB3.3V 4
2
SUB5V
Back Lights
GS
GS8
SUB3.3V 3
INV ON
INV
SOS
INVERTER
12V
12V
INV ON
INV SOS
12V
14
DG52
1
DG1
4
12
LCD Panel
Panel
Controller
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
24V
+24V
V+
V-
DTV9V
DTV9V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
Q2636
Q2637
16-17
9
VIDEO SW
23
700
series
only
H2
8-9
IC3001
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
Audio Amp
IC2008
IC2010
P9
5-8
24V DET
IC2302
H3A
2-3
6
17-18
17-18
SUB_5V
21-22
21-22
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
DTV_9V
IC7501
DTV
9V
RL802
DG
Audio Amp
IC7401
Line
Filter
TUNER
IC2301
IC7301
P8
1
30V
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123 INVERTER SOS
Tín hiệu PANEL ON (2/2)
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
Q7212
Q7211
Q7210
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
11-12
14
15
Panel 12V
KEY SCAN
PANEL ON
3.3V
IC2106
STEREO
DECODER
11-12
14
15
16-17
Q7206
Q7214
Q7213
SUB5V
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
21
23
5-6
1-2
MAIN 9V
H6
38
39
48
49
54
55
56
77
DG6
SOS
SOUND 38
SOS
39
MAIN ON
48
SUB ON
49
KEY
54
PANEL ON
55
24V DET
56
ALL OFF
77
STB5V
12V
3.3V
21
23
5-6
1-2
700 series only
V
Q7205
Q7208
Q7209
V1
STB3.3V 4
2
SUB5V
Back Lights
GS
GS8
SUB3.3V 3
INV ON
INV
SOS
INVERTER
12V
12V
INV ON
INV SOS
12V
15
DG52
1
DG1
4
12
LCD Panel
Panel
Controller
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
24V
+24V
V+
V-
DTV9V
DTV9V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
Q2636
Q2637
16-17
9
VIDEO SW
23
700
series
only
H2
8-9
IC3001
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
Audio Amp
IC2008
IC2010
P9
5-8
24V DET
IC2302
H3A
2-3
6
17-18
17-18
SUB_5V
21-22
21-22
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
DTV_9V
IC7501
DTV
9V
RL802
DG
Audio Amp
IC7401
Line
Filter
TUNER
IC2301
IC7301
P8
1
30V
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13
INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Tín hiệu INVERTER ON
Power SW
K
K8
H
5Vs
1 ALL OFF
2 STB 5V
3 RELAY 5V
4
T801
STB
Trans
IC801
P11
2
1
SOUND_15V
2
3
4
5V
P5
Relay
7
8
9
Q802
D801
P10
1
3
MAIN 9V
23
24V
ALL OFF
(SW DET)
STB 5V
SUB ON
(H/ ON, L/ OFF)
AP5
1-3
7
8
24V
Q7212
Q7211
Q7210
11-12
14
15
Panel 12V
KEY SCAN
PANEL ON
3.3V
IC2106
STEREO
DECODER
SUB5V
SUB3.3V
MAIN3.3V
DG2
8-9
DTV_9V
SUB_5V
21
23
5-6
1-2
MAIN 9V
H6
38
39
48
49
54
55
56
77
DG6
SOS
SOUND 38
SOS
39
MAIN ON
48
SUB ON
49
KEY
54
PANEL ON
55
24V DET
56
ALL OFF
77
STB5V
12V
3.3V
21
23
5-6
1-2
11-12
14
15
16-17
700 series only
V
Q7205
Q7208
Q7209
V1
STB3.3V 4
2
SUB5V
INV ON
INV
SOS
INVERTER
12V
GS
GS8
SUB3.3V 3
12V
INV ON
INV SOS
12V
16
DG52
1
DG1
4
12
LCD Panel
Panel
Controller
DIG TUNER
SUB3.3V
SUB1.2V
SUB1.8V
MAIN5V
IC8301
DECODER
IC4503
HDMI SW
IC4510
MAIN ON
DG25
1-4
DG27
2
4
1
A/D
IC4200
HQ1L
IC4207
STB3.3V
LVDS TX
IC8001
Peaks Lite2
SUB3.3V
Q7206
Q7214
Q7213
Back Lights
+24V
V+
V-
AUDIO SW
AP4
H4A
TV SOS
1
1
STB_5V
3
3
6 TV MAIN ON 6
8 TV SUB ON 8
DTV9V
DTV9V
12-14
12-14
SUB3.3V
17-18
17-18
IC3101
Q2636
Q2637
16-17
9
VIDEO SW
23
700
series
only
H2
8-9
IC3001
Q7551
Q7552
Q7553
IC7701
Panel
12V
Q7701
Q7702
Q7703
Q7204
Audio Amp
IC2008
IC2010
P9
5-8
24V DET
IC2302
H3A
2-3
6
17-18
17-18
SUB_5V
21-22
21-22
SUB_5V
IC7601
HQ
3.3V
1-3
SOUND
15V
AP3
2-3
6
DTV_9V
IC7501
DTV
9V
RL802
DG
Audio Amp
IC7401
Line
Filter
TUNER
IC2301
IC7301
P8
1
30V
IC2610
AP
AP6
1
15V
P
700D
70D
only
Key
EEPROM
SDRAM
FLASH
IC1100
MCU
1
SUB_ON
12
ALL OFF
13 INV_ON
27
MAIN 5V SENSE
29
STB 5V SENSE
30
DTV 9V SENSE
34
SUB 5V SENSE
46 TV MAIN_ON
49
R LED ON
66
MAIN 9V SENSE
67 MAIN 3.3V SENSE
105
PANEL STB ON
114 SOS
115 KEY SCAN
118
SOUND SOS
123
INVERTER SOS
Sơ đồ khối bo AP
24V
24V
IC7301
15V
Q7302
AP
SOUND 15V
Q7301
IC7401
5V
Q7402
SUB 5V
Q7401
DTV 9V
15V
IC7501
Q7205
Q7551
FET
9V
Q7502
MAIN 9V
Q7552
Q7501
IC7601
Q7553
HQ3.3V
3.3V
Q7208
Q7601
IC7701
Q7702
Q7209
Q7701
12V
PANEL 12V
Q7703
Regulator
DC-DC ON/OFF Control
17
DG
PANEL_ON from MCU
MAIN_ON from MCU
Tín hiệu SUB ON: SUB5V,DTV9V,HQ3.3V
24V
15V
Q7302
AP
24V
IC7301
SOUND 15V
Q7301
IC7401
3L
15V
1H
3
5V
5H
Q7402
6 ON
Q7401
5H
4 OFF
3L
L
IC7501
Q7205
2 ON
Q7502
3L
Q7208
Q7501
OFF
3L
Q7601
5H
4 OFF
5H
3L
Q7702
Q7209
Q7701
6 ON
9V
5H
4
1
SUB 5V
DTV 9V
Q7551
FET
1
MAIN 9V
Q7552
IC7601
6 ON
Q7553
HQ3.3V
3.3V
1
IC7701
12V
PANEL 12V
Q7703
DG
3L
PANEL_ON from MCU
MAIN_ON from MCU
18
Tín hiệu MAIN ON: SOUND15V, MAIN9V
24V
IC7301
15V
Q7302
Q7301
L3
OFF 4
Q7401
1H
3
SOUND 15V
IC7401
6 ON
5V
SUB 5V
5H
3L
L
IC7501
Q7205
2 ON
Q7502
H1
4 OFF
Q7208 ON2
Q7601
5H
3L
Q7702
Q7209
Q7701
ON7
Q7551
FET
OFF4
5H
3L
DTV 9V
6 ON
9V
Q7501
2
H5
Q7402
15V
AP
24V
ON 6
IC7601
6 ON
L3
2
MAIN 9V
ON6
Q7552
H5
Q7553
HQ3.3V
3.3V
IC7701
12V
PANEL 12V
Q7703
DG
3L
PANEL_ON from MCU
H1
19
MAIN_ON from MCU
Tín hiệu PANEL ON: PANEL12V
24V
IC7301
15V
Q7302
Q7301
L3
OFF 4
Q7401
1H
3
SOUND 15V
H5
Q7402
15V
IC7401
6 ON
5V
SUB 5V
5H
3L
L
IC7501
Q7205
2 ON
Q7502
H1
3L
Q7208 ON2
Q7601
5H
Q7702 -H
Q7209
Q7701
3L
Q7703
-H
-L
IC7601
6 ON
L3
MAIN 9V
ON6
Q7552
H5
Q7553
HQ3.3V
3.3V
IC7701
3L
ON7
Q7551
FET
OFF4
5H
4 OFF
DTV 9V
6 ON
9V
Q7501
AP
24V
ON 6
-
12V
ON
PANEL 12V
3
-OFF
-ON
-H
DG
PANEL_ON from MCU
MAIN_ON from MCU
20
MẠCH BẢO VỆ
21
Mạch bảo vệ và LED nháy
4.0s
Sáng
Tối
Số lần
nháy
Tín hiệu có thể lỗi
Bo có thể hỏng
1
INVERTER_SOS
2
FAN SOS
3
H, AP, DG Board (BT30V,SOUND15V,PANEL12V,HQ3.3V Short), LCD Panel
4
5
Điện áp REG. bất thường
DTV9V bất thường
MAIN9V bất thường
6
SUB5V bất thường
AP, H, DG Board
7
MAIN5V bất thường
DG Board
8
9
MAIN3.3V bất thường
Điện áp cho khuếch đậi âm thanh
DG Board
H, AP Board
10
HQ1L_SOS
DG Board
13
Lỗi giao tiếp trên bo DG
LCD Panel, DG Board, AP Board
Board
PeaksLite2_GenX4)
AP, H, DG, P Board (BT30V,SOUND15V,PANEL12V,HQ3.3V O.V.P.), LCD Panel
AP, H, DG Board
DG Board
22
LED nháy 1 lần
Tín hiệu lỗi: INV_SOS
P
P11
2
1
INVERTER_SOS: - Khi lỗi sẽ ở mức cao
- Bình thường ở mức thấp
T801
STB
Trans
5Vs
5Vs
Line
Filter
DG
H
AP
RL802
Relay
Q802
P5
1-3
9
24V
AP5
1-3
9
IC7701
12V
P9
5-8
D801
P10
1
3
PANEL12V
PANEL ON
AP4
11-12
15
8
H4A
11-12
15
8
V
LCD Panel
24V
V+
V-
Bình thường (thấp)
Bất thường (cao)
LED(R)
H2
5-6
DG2
5-6
H6
55
49
DG6
55
49
V1
7
INV ON
INV SOS
INV ON
INV SOS
12V
INV 12V
CURRENT(ADIM)
INV_PWM
INVERTER
23
DG1
3
DG27
2
4
1
3
5
IC1100
MCU
105 PANEL_ON
L
1
SUB_ON
49
R LED ON
13 INV_ON
123 INVERTER SOS
IC4200
HQ1L
LED nháy 3 lần
Mất nguồn : BT30V,SOUND15V,PANEL12V, HQ3.3V
Mất nguồn : SUB3.3V
AP
IC7401
5V
IC7301
15V
IC7501
9V
SUB 5V
L
L
H
114 SOS
Q2637
STB 5V
ON
H
3
4
ON
1
SUB3.3V
Q7214
H
OFF
Q7213
Panel 12V
SUB_ON
R
D7204
R
2
BT 30V
IC1100
MCU
R
R
IC7701
12V
Q7206
ON
DTV 9V
1
DG
TUNER
AP3 H3A
17-18 17-18
D7207
SOUND 15V
R
IC7601
3.3V
H
H
D7210
24
AP4
1
H4A
1
H
H6
38
DG6
38
LED nháy 4 lần (1/2)
Mất nguồn: DTV_9V
P
T801
STB
Trans
5Vs
AP
H
DG
IC3101
P11
2
1
5Vs
IC7501
Line
Filter
9V
RL802
Relay
Q802
P5
1-3
9
AP5
1-3
9
DTV9V
IC1100
MCU
24V
P9
5-8
AP4
8
H4A
8
H6
49
AP3
17-18
H3A
17-18
H2
8-9
DG2
8-9
V1
7
DG1
3
LCD Panel
D801
P10
1
3
24V
V+
V-
V
INV ON
INV SOS
LED(R)
12V
25
DG6
49
L
1
SUB_ON
30 DTV9V SENSE
49
R LED ON
