Videocon DDB DLX, Service Manual

Page: 53 / 74

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
靠靠 DC-DC
1A Max
VDDC DC/DC
H :Power on
L :Power off
Standby controler
500mA
400mA Max
H :Power on
L :Power off
LDO
Test Point & MARK
至至需至兼
1A DC/DC!!
SY8008B:input 2.5V~5.5V;
SY8077:input 2.5V~6.5V;
DDR POWER
R2
R1
MAX 1000MA
Vout=0.6 x (1+Rup/Rdn) = 1.501V
4*4*MM
300mA Max
LO = >
POWER_ON
HI = > POWER_OFF
Standby:L
Normal: H
EXT Control
For the pannel flash
Modify 2014-11-12
分东开开缓开开开开 IC pin 为 1.15V ！
=0.765*(1+7.68/15)+1.157V
CORE POWER 1.15V
0.765 x (1+Rup/Rdn) = 1.15V
R2
R1
10.5*10.5*7.5MM
R1
R2
靠靠
DC-DC
VDDC DC/DC
!!!
至至需至兼
5A
的
DC/DC
分东开开缓开开开开
IC pin
为
1.24V
！
I2C Addr:0xC0
缓电靠靠
DCDC,
敏敏间
,
远远远远微
靠靠 DC-DC
靠靠
DC-DC
Vout=0.8*(1+6.2/47)= 1.24V
!!!
至至需至兼
3A
的
DC/DC
VDDC_CPU DC/DC
R2
R1
MAX 3000MA
Vout=1.1V*(1+R1/R2)
STANDBY
+12V_Normal
+12V_Normal
GND
+5V_Normal
GND
GND
BKLT_ADJ BKLT_EN
STB
+5V_Standby
+5V_Normal
GND
GND
+12V_Normal
BRI_ADJ
VBL_CTRL
BKLT_EN_A
STB
STANDBY
BKLT_EN
BKLT_EN_A PWD_MT
BKLT_EN
BKLT_ADJ
VDDC_VSENSE
VDDC_CPU_VSENSE
+1.5V_DDR
+5V_Normal
+5V_Standby
+3.3V_Standby
+3.3V_Normal
+5V_Standby
+5V_Standby
+5V_Normal
+3.3V_WIFI
+5V_Normal
+5V_Normal
+5V_Standby +5V_Standby
+5V5V_Standby
+5V_Normal
VDDC VDDC_1.15V VDDC_VSENSE
+12V_Normal
VDDC_CPU
VDDC_CPU_VSENSE VDDC_CPU_1.15V
+12V_Normal
+5V_Normal
PWR-ON/OFF 3
BRI_ADJ
3
VBL_CTRL
3,16
BKLT_ADJ
PWD_MT
M_SCL
M_SDA
Title
Size Document Number Rev
Date: Sheet of
SYSTEM POWER
1.0
MSD6A628VXM/VXEM
C
1 24 Tuesday, June 30, 2015
Title
Size Document Number Rev
Date: Sheet of
SYSTEM POWER
1.0
MSD6A628VXM/VXEM
C
1 24 Tuesday, June 30, 2015
Title
Size Document Number Rev
Date: Sheet of
SYSTEM POWER
1.0
MSD6A628VXM/VXEM
C
1 24 Tuesday, June 30, 2015
DC-DC_MSH6000A_SOP8_IIC_ADJ
U9
5V
3
S
D
A
4
EN
1
FB
2
PVDD
8
B
S
T
7
S
C
L
5
LX
6
P
o
w
e
rP
A
D
9
C106
2.2uF_10V_0603_±20%_X5R
Q29
NPN_MMBT3904_SOT23
1
3
2
TP14 +5V
R394
2K_0402_±5%_1/16W
TP13 GND
TP21 +12V
U72
DC-DC_RT7240GSP_SOP8
IN
8
VREG
3
GND
5
BST
7
SW
6
FB
2
SS
4
EN
1
G
N
D
9
A
D
J
O
U
T
IN
U11
LDO_BM1117N-3.3_SOT-223
3 2 1
4
C
1
3
3
10uF_10V_0805_±20%_X5R
RP8
100R_0402_±5%_1/16W
C112
10uF_6.3V_0603_±20%_X5R
C
1
1
6
10uF_10V_0805_±20%_X5R
H3
NC
1
C92
33pF_50V_0402_±5%_NPO
H5
NC
1
C
1
2
4
10uF_10V_0805_±20%_X5R
VD2
SS14_ SMA
R
1
2
1
100K_0402_±5%_1/16W
C
1
0
5
0.1uF_16V_0402_±10%_X5R
RP3
10K_0402_±5%_1/16W
D189
DIO_TCLL4148_LL34
L23
IND_LVS606045L-2R2_SMT_2.2UH_6A
1 2
C135
0.1uF_16V_0402_±10%_X5R
R437
4.7K_0402_±5%_1/16W
XS808
CON_2008S-2x7P_180D_Lock
1
3
5
7
2
4
6
8
10
14
9
13
12 11
ZZ002
NC
R58
15K_0402_±1%_1/16W
R116
0R_0402_±5%_1/16W
R106
4.7K_0402_±5%_1/16W
Q30
NPN_MMBT3904_SOT23
1
3
2
M11
JUMP_2.54MM_3P_LCK_12V_RED
1
H4
NC
1
CB213
0.047uF_16V_0402_±10%_X7R
C
1
3
0.1uF_16V_0402_±10%_X5R
M6
NC
1
R395
100R_0402_±5%_1/16W
TP16 GND
R57
7.68K_0402_±1%_1/16W
R117
NC_0R_0402_±5%_1/16W
R393
10K_0402_±5%_1/16W
TP15 +5V
R446
1K_0402_±5%_1/16W
C
2
5
10uF_1680%_20%_Y5V
M4
NC
1
TP8 BKLT_EN
L20
120R_100MHz_2500mA_±25%_0603
C
1
1
8
10uF_10V_0805_±20%_X5R
+
C
7
2
100uF_16V_DIP_5x11
QP2
NPN_MMBT3904_SOT23
1
3
2
R32
37.4K_0402_±1%_1/16W
L19
120R_100MHz_2500mA_±25%_0603
R400
10K_0402_±5%_1/16W
M1
NC
1
C24
10uF_10V_0805_±20%_X5R
C60
3300pF_50V_0402_±10%_X7R
C20
0.1uF_16V_0402_±10%_X5R
R41
24.9K_0402_±1%_1/16W
M7
NC
1
R392
1K_0402_±5%_1/16W
+
C
7
0
100uF_16V_DIP_5x11
C114
2.2uF_10V_0603_±20%_X5R
R113
0R_0402_±5%_1/16W
C
1
3
2
0.1uF_16V_0402_±10%_X5R
TP11 BKLT_ADJ
R291
10K_0402_±5%_1/16W
C115
10uF_6.3V_0603_±20%_X5R
C56
1uF_10V_0402_±20%_X5R
M9
NC
1
U102
DC-DC_RT8059GJ5_SOT23-5
EN
1
G
N
D
2
SW
3
VIN
4
FB
5
C122
2.2uF_10V_0603_±20%_X5R
RP2
1K_0402_±5%_1/16W
R115
NC_0R
M5
NC
1
A
D
J
O
U
T
IN
U19
LDO_AZ1117EH-3.3TRG1_SOT-223
3 2 1
4
R447
100R_0402_±5%_1/16W
C
1
3
7
0.1uF_16V_0402_±10%_X5R
L16
IND_MPIT4018T3R3NT_3.3UH_2A
M12
PCB.20254_V1.3_MAIN_BOARD_FR4_2LAYER_255*250*1.6M/2
1
C99
0.1uF_16V_0402_±10%_X5R
TP18 GND
M3
NC
1
TP17 GND
R36
100K_0402_±5%_1/16W
L27
NC_0R
C
1
3
0
NC_0.1uF
C
1
1
7
10uF_10V_0805_±20%_X5R
R399
4.7K_0402_±5%_1/16W
C108
0.1uF_16V_0402_±10%_X5R
TP9 STB
C107
0.1uF_16V_0402_±10%_X5R
C
1
2
8
10uF_1680%_20%_Y5V
R109
100K_0402_±5%_1/16W
Q27
NPN_MMBT3904_SOT23
1
3
2
L17 IND_LVS606045L-2R2_SMT_2.2UH_6A
C
1
1
9
10uF_10V_0805_±20%_X5R
C102
10uF_6.3V_0603_±20%_X5R
C
6
1
0.1uF_16V_0402_±10%_X5R
A
D
J
O
U
T
IN
U13
LDO_AZ1117EH-3.3TRG1_SOT-223
3 2 1
4
L24
NC_0R_0603_±5%_1/10W
R34
6.2K_0402_±1%_1/16W
C111
0.1uF_16V_0402_±10%_X5R
C
1
2
7
10uF_10V_0805_±20%_X5R
M8
NC
1
C57
0.022uF_16V_0402_±10%_X7R
RP7 NC_0R
RP5
10K_0402_±5%_1/16W
QP1
NPN_MMBT3904_SOT23
1
3
2
TP12 GND
R42
47K_0402_±1%_1/16W
C131
0.1uF_16V_0402_±10%_X5R
TP10 +5VSB
M10
MET,
散散散
,
铝铝
,22mm*22mm*8mm
分开
,
银银银
1
C
1
2
3
10uF_10V_0805_±20%_X5R
C
6
3
10uF_1680%_20%_Y5V
C101
0.1uF_16V_0402_±10%_X5R
C
5
8
1uF_10V_0402_±20%_X5R
C
1
0
4
0.1uF_16V_0402_±10%_X5R
TP20 +12V
TP19 +12V
L21
120R_100MHz_2500mA_±25%_0603
C
6
2
10uF_1680%_20%_Y5V
H1
NC
1
H2
NC
1
C52
22pF_50V_0402_±5%_NPO
M2
NC
1
C110
0.1uF_16V_0402_±10%_X5R
C
1
2
9
10uF_10V_0805_±20%_X5R
C12
0.1uF_16V_0402_±10%_X5R