Grundig Chassis G5 Serviceanleitung Seite 53

Chassisplatte – Netzteil / Chassis Board – Power Supply
L915
TP102
S900 VCC_ST
Trigger +5V2_ST
L901
TP103
1 PSU with 5V
P1 +5V2_ST
2 7
P2
3 +12V
P3
L914
4
P4 VCC_ST 8 PSU without 5V
5
TP105
P5
6
P6
7 R908 1k POWER_SW
P7
8 V_AUDIO
P8
9 R918 SCANNING BL
TP106
P9
10 TP107 1K*4
P10
11 TP109
P11 FRC_DIM0
12 TP110
P12 FRC_DIM1
13
TP111
P13 FRC_DIM2
14
P14
R906 1k
BRI_ADJ
TP112
T900A
BC847BPDW1T1
LOCAL DIMMING
4 5
LDIM_SPI_CK
3 6 LDIM_SPI_DI
2 7 LDIM_SPI_CS
BL_CTRLX 1 8 LDIM_VSYNC
R937 4*0R
L906 L907
VCC_ST +12V
3A 60R 3A
C921 10UF C922 10UF
R934 R933
NC
C925 100NF C926 100NF
IC904
1300mA 1 2
VCC3V3-ST
L909 L911
TP117 5 16
SW1 SW2
3.3UH 6 15 3.6A
PGND1 PGND2
7 14 6.3UH
C929 C931
EN1 EN2
8 13
PG1 PG2
22UF 22UF
6.3V
R926 R923 R924 R928
TPS542941RSAR
6.2K 0R 1.8K 0R
C936 22PF
C934
1UF
VCC3V3 VCC3V3_FE
325mA
450mA
VCC3V3-ST
VCC3V3-ST
IC905 TPS2530 VCC3V3 IC906 TPS2530
5 1 5
IN OUT TP118 IN OUT
4 3 4
C939 C937 C940
EN FLT EN
1uF 1uF 1uF
POWER_SW POWER_SW
1 2
VCC3V3-ST
T900B
4 3 1
2
C902
TP104
3
BC847BPDW1T1
1UF
3D_EN/ SC_BL_EN
3D_EN/ SC_BL_EN
R901
VCC1.8V TP207
D900
10K
2
R929
3
G7_BL_ON
1
47R
240mA
R930
BAT54CW FRC_BL_CTRL
D901 47R
2 1
3
2
BAT54CW
L902 60R 1.7A
+V
BL_CTRLX R905 47R
+12V +5V2_ST
C924 C927 C928
non STR option
POWER_SW
POWER_SW
POWER_SW
VCC5V_DCDC 3000mA
L910
TP116
+5V2_ST
60R
R921
C930 C932 C933 3A
10V 12K
PSU without 5V
10UF VDDC
R925
R927
2.7K %1 15.4K %1
C935
22PF
RESERVED FOR LDIM
L913
S901
NC
NC
1 LDIM_SPI_CK
VCC3V3_FE P1
2 LDIM_SPI_DI
P2
3
LDIM_SPI_CS
1 P3
TP119 4 LDIM_SPI_DO
P4
5 LDIM_VSYNC
3 P5
C938
FLT 6
P6
1uF
3 4
+12V
XC6222B181ER-G
IC900
6 POWER_SW
VIN CE VCC3V3-ST
5
NC VSS
4
VOUT NC
G7_TCON_ON R903
G7_TCON_ON
10UF
C903 FRC_TCON_ON R904
FRC_TCON_ON
6.3V
BC847BDW1T1G
R931 NC R910
POWER_SW
+V
100k
C904 100NF C946 L903
60R
NC
3
IC901 1.7A
1 6 R912 15.4k %1
GND VBST
2 5
SW EN
R914 15.4k %1
3 4
VIN VFB
C908 R916 0R
TPS562200DDCR
22PF
VCC1.5V
10UF
C912
L904 TP114
C913
10UF 100NF 3.3UH 1050mA
47UF
C911
C910 NR4018T3R3M
VCC_ST
R935 R936
C916 22uF
NC 0R
C920 100NF
R920 0R
IC903 TPS56528
5
1 8
C917
EN VIN 5250mA
R919 10K
2 7
VFB VBST
3 6 VDDC
VREG5 SW L908
4 5 100NF
PG GND
C923
1.5UH C918 C919
470nF
47UF 100NF
R907 4*0R
LDIM_SPI_CK FRC-SCK
FRC-SCK
LDIM_SPI_DI LDIM_U10_SPI_DI
LDIM_U10_SPI_DI
LDIM_SPI_CS LDIM_U10_SPI_CS
LDIM_U10_SPI_CS
LDIM_SPI_DO LDIM_U10_SPI_DO
LDIM_U10_SPI_DO
LDIM_VSYNC LDIM_U10_VSYNC
LDIM_U10_VSYNC
R909 0R
R922 4*0R
LDIM_SPI_DO LDIM_G7_SPI_DO
LDIM_G7_SPI_DO
LDIM_SPI_CS LDIM_G7_SPI_CS
LDIM_G7_SPI_CS
LDIM_SPI_DI LDIM_G7_SPI_DI
LDIM_G7_SPI_DI
LDIM_SPI_CK LDIM_G7_SPI_CK
LDIM_G7_SPI_CK
LDIM_VSYNC BRI_ADJ
BRI_ADJ
R932 0R
5
Current
IN
Sense
Charge
Pump
EN
L900 2 3
PANEL_PWR
UVLO
GND
R900
C901
C900 TPS2530
20K
T901
4.7uF
100NF
PMV65XP
R902
PG1
Hi: Off
Lo: On 4*22K
-16%
PGND
0R
+16%
TP108
0R
-32%
T902B
5 2
T902A
Ref1
SS1
VFB1
PGND
EN1
EN
R911
Logic
POWER_SW EN2
C905 100NF
100k
Fixed
C907 22PF
SoftStart
IC902
1 6
R913 15.4k %1 GND
GND VBST
-32%
2 5
SW EN
R915 15.4k %1
3 4
VIN VFB
Ref2
C909 R917 6.2K %1
VFB2
TPS562200DDCR
SS2
22PF PGND
VCC1.18V
PG2
L905 C915 TP113
3.3UH
100NF
47UF
4
NR4018T3R3M -16%
C914 1150mA
PGND
+16%
TPS542941
EN 5
V
VFB 4
Voltage
Reference
Soft Start
OCL
threshold
TPS562200
TPS563200
TPS562209
1 EN
EN
Logic
+25%
REF
SS
VFB 2
VREG5 3
UVLO
Softstart
REF
PG 4
Reverse Current
VIN
Current Limit &
Thermal Shoutdown
ON/OFF
CE
Control
CS OUT
Current
Limit
8-ms
Driver
Deglitch
FLT
OTSD
Thermal
Sense
VREG5
Control logic VIN1
VBST1
PG
Comp
XCON SW1
UV1
PGND1
Ref_OCL
SW1
Err
PGND1
Comp OCP1
SW1
ZC1
CH1Min-off timer
VIN1
UV1
EN Logic
UV2 Protection 5VREG VREG5
Logic
UVLO
Ref1 REF
SS1 TSD
SS2 Ref2
VIN2
CH2Min-off timer
UVLO
VREG5
Control logic
UV2
VBST2
Err
XCON
SW2
Comp
PGND2
PG
Comp
Ref_OCL PGND2
SW2 SW2
OCP2 ZC2
+ 3 VIN
Hiccup
UVP
VREG5
UVP
Regulator
+
UVLO
OVP
V
OVP 6 VBST
PWM
+
+
HS
Ton
One-Shot
2 SW
XCON
TSD
VREG5
OCL
+
LS
ZC
+
1 GND
8 VIN
EN
TPS56528
+
VREG5
OV
-
Control Logic
7 VBST
+
+ PWM
- 1 shot
VIN 6 SW
XCON
ON
VREG5
VREG5
EN
5 GND
SS + SW
ZC
OV
- PGND Protection
REF
UVLO
Logic
+ SW
TSD
+ REF
OCP
- PGND
- -10%
XC6222D
Protection
VOUT
CFB R2
Rdischg
Error
Amp.
+
- /CE
R1
Voltage
each
VSS
Reference
circuit