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液晶电视主板电路原理图


AVDD_AU
Pin64,Pin69
30mA
C452 0.1uF
+3.3VSB
Pin96, Pin166, Pin186, C429 Pin195, Pin202, Pin222, 0.1uF
Pin236,
+3.3AVDD
VDDP
C434 C435 C439 C440 C443
料C428 10uF
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
XS5 1
HOLL
CON14
+12V
L6 NC/3216
TO Inverter Board
XP14
1 2 3 4 5 6 7 8 9 10 11 12 13
CON13
L5 FB/3216 +12V
VCC-A
+5V
+12V
CA18 100uF/25V
+5V
5VS
CA22 100uF/16V
CA19 100uF/16V
1
150 R297
2
Z3 3.9V/NC
2
3
Power for Panel
+12V +5V
L71 FB/3216 L73 NC/3216
R411 10K
C415 0.1uF
10K R409
C414 1uF/16V/0603
N59
1 2 3 4
S1 S2 S3 G2
VCC-Panel
AO4459
D1 D2 D3 D4
VDDP VDDP VDDP VDDP VDDP VDDP
VDDC VDDC VDDC VDDC VDDC
AVDD_33 AVDD_33 AVDD_33 AVDD_33 AVDD_33
INPAQ_EGA
HDMI INPUT
VGA INPUT
4 HDMIB-RXC4 HDMIB-RXC+ 4 HDMIB-RX04 HDMIB-RX0+ 4 HDMIB-RX14 HDMIB-RX1+ 4 HDMIB-RX24 HDMIB-RX2+ 4 HDMIB-HPDCTRL 4 HDMIB-DDC-SDA 4 HDMIB-DDC-SCL
1 1
10uF C427
FB/3216 5VS
R_LED 1
3
R295 4.7K
2,3 ON_USB ON_USB
Q45 3904
LED_CTL LED_CTL 2,3
R284 4.7K
R285
4.7K
1
2
5VS
2
3
R282 4.7k
Q44 3904

5VS

1
V26 3 3904 2
+3.3VSB
资+3.3AVDD
AVDD_USB
Pin262
?mA
C453 0.1uF
FOR use DDR,+2.6VM must be 2.6V FOR use SDRAM,+2.6VM must be 3.3V
+2.6V for MST6M16
Pin111, Pin127,Pin132, Pin138, Pin143,Pin149, Pin154
+2.6VM
+2.6MVDD
30mA
C445 C446 C447 C448 C449 C450 C451
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
+3.3AVDD L78
1.26V FOR 6E16JS CORE POWER
0.1uF C458 10uF C459 0.1uF C461 0.1uF C463
+5V L7
VCC_USB5V
L82 NC/3216
Q35
IRLML6401
2
3
+5V_USB
料R402 0
3 ON_PBACK ON_PBACKR405 NC 1
2
3
R395
NC R403 4.7K 1
V19
NC(3904)
资3
PWM2 PWM2
3
BRI_OUT BRI_OUT
R437
R40847K 1K BL-ADJUST
4
IN OUT ADJ
IN OUT ADJ
220uF/16V IN OUT ADJ
+3.3Vstb for VDDP_PM
5Vstb L74
FB/3216
453mA 温升62.6
0.1uF C417 10uF C418
1
2
3
10uF C420 0.1uF C421
C422
U5 1084-3.3
+3.3Vstb VDDP_PM
205 56 39 27 5
202 171 151 89 78
198 184 167 164 145 76
AVDD_AU AVDD_MemPLL AVDD_MPLL_PM AVDD_RXS AVDD_RXV
AVDD_USB
133 128 122 117 111 107 91
R77 USB1_OC_DET 51K
R49
NC/100
100
EEP_Vcc
XP15 KEY
4 3 2 1
R435 R434 NC/0 0
R389 0
R423 R424 8.2K 8.2K
KEY1-in
KEY0-in KEY-IN
VD122 VD123
C372 10uF
KEY
R436 NC/0
POWER-KEY
ESD ESD
KEY-IN
西安赛维
注意:L7电流要大,直流电阻要小, 保证VDDC到MST6M19GL的电压在1.26V
2009.04.11
2、MST6M16JS系统供电、电压变换部分电路
刘长军
5Vstb 5Vstb
1
5Vstb
R421 100K
3
V23 BAV99
2
R425 4.7K1
R246 R245 10K 10K
HDMIA_HPDCTRL HDMIB-HPDCTRL
Pin48
+3.3Vstb AVDD_MPLL_PM
10mA
C442 10uF
C444 0.1uF
5VS L75 +5V L77
4
N61
MST6M16GS L48=FB,U6=NC
NC/AMS1117-3.3MST6M16JS L48=NC,U6=1117
NC/1608 NC/1608
1
+3.3VSB
2
3
5Vstb R396 R397
SAMSUNG panel 0~3.3V R34 Connect LG/CMO/AU panel 0~5V,R34 NC
1K
4.7K
R400
0
V18 3904 V20 R406
BL-ON/OFF 1K BL-ADJUST
3
1
R407
2
3904 NC/10K
C411 4.7uF
3
2
C423 0.1uF
C424 10uF
L89 FB/1608 L85 FB/1608
+3.3AVDD
+3.3Vstb
FB/1608
L76
C425C426 0.1uF10uF
2.6V for MST6M16 and DDRAM
R74 200
5Vstb
L16
+5V
L13
NC/1608 FB/1608
ON_PANEL R431 4.7K
R432 NC/4.7K
1
C416 0.1uF
R412
V22 3904
4.7K1
V21 3904
GND
西安赛维
1、液晶屏供电选择控制、背光亮度开关及亮度调整、小CPU部分电路
2009.04.11
刘长军
STB 3.3V FOR 6E16
MAIN 3.3V FOR 6E16
VCC GP5 GP4 GP3
1 2 3 4
PIC12F629
刘R288
NC/4.7k
R289R290 4.7k 4.7k
100R R298 4.7K R294
SW STANDBY
+3.3V_KEY
NC/2N7002 Q23
3
2
0R
R299
R291 1M
POWER-KEY
POWER-KEY 2,3
3 ON_PANEL
C384 R73 10uF 220
1
4
N8 AMS1117-ADJ
3
2
+2.6VM
C374 10uF
C24 0.1uF
C25 0.1uF
CA94 10uF
+3.3AVDD for AVDD_MemPLL
+3.3AVDD
AVDD_MemPLL
Pin124
4mA
C432 10uF
C433 0.1uF
+3.3AVDD
R439 NC
R413 NC
3
R401
10KPW_CTL
V24
PW_CTL 3 1
HIGH STANDBY
NC
2
LOW NORMAL
R404 NC
PM_CTL PM_CTL 2,3
5VS L8 NC/3216
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