Grundig PSN000, Руководство по обслуживанию

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GR
UNDIG Ser
vice
Chassis G5
2 - 7
Chassisplatte – Netzteil / Chassis Board – Power Supply
NR4018T3R3M
3.3UH
L905
VCC1.18V
22PF
C909
GND
1
SW
2
VIN
3
VFB
4
EN
5
VBST
6
TPS562200DDCR
IC902
10UF
C913
TP113
R911
100k
POWER_SW
22PF C907
VCC1.8V
VIN
1
NC
2
VOUT
3
NC
4
VSS
5
CE
6
EPA
D
7
IC900
XC6222B181ER-G
1UF
C902
POWER_SW
C916 22uF
10K R919
100NF
C919
VDDC
C900
4.7uF
VCC3V3-ST
Hi: Off
Lo: On
1
3 2
T901
PMV65XP
TP108
2
1
6
T902B
4*22K
R902
5
4
3
T902A
BC847BDW1T1G
L900
+12V PANEL_PWR
G7_TCON_ON
G7_TCON_ON
G7_BL_ON
3
1
2
D901
BAT54CW
5
4 3
T900B
BC847BPDW1T1
2
6
1
T900A
BC847BPDW1T1
1 3
5 7
2 4
6 8
R901
10K
3D_EN/ SC_BL_EN
3D_EN/ SC_BL_EN
3
1
2
D900
BAT54CW
BL_CTRLX
+5V2_ST
TP104
FRC_TCON_ON
R904 0R
R903 0R
FRC_TCON_ON
5250mA
1150mA
VCC3V3-ST
VCC5V_DCDC
1UF
C934
22PF
C935 22PF C936
3A
L906
VCC_ST
1.8K
R924
6.2K
R926
VBST2
1
VIN2
2
VIN1
3
VBST1
4
SW1
5
EN1
7
PGND1
6
PG1
8
VFB1
9
GND
10
VREG
5
11
VFB2
12
PG2
13
EN2
14
PGND2
15
SW2
16
EPAD
17
TPS542941RSAR
IC904
TP117
TP116
0R
R923
60R 3A
L907
+12V
VCC3V3
VCC3V3-ST
VCC3V3
TP118
POWER_SW
1uF
C937
1uF
C939
VCC3V3_FE
VCC3V3-ST
VCC3V3_FE
TP119
POWER_SW
1uF
C938
1uF
C940
1050mA
+5V2_ST
L901
+12V
V_AUDIO
1.5UH
L908
VCC3V3-ST
6.3UH
3.6A
L911
10UF
10V
C930 C933 C932 C929
22UF
6.3V
C931
22UF
1300mA
450mA
240mA
325mA
VCC_ST
+5V2_ST
60R
3A
L910
10UF
6.3V
C903
3.3UH
L909
10UF C921 10UF C922
R927
2.7K %1
R925
15.4K %1
100NF
C914
R913 15.4k %1
100NF C905
NR4018T3R3M
3.3UH
L904
VCC1.5V
22PF
C908
GND
1
SW
2
VIN
3
VFB
4
EN
5
VBST
6
TPS562200DDCR
IC901
10UF
C910
TP114
POWER_SW
100NF
C911
R912 15.4k %1
100NF C904
R914 15.4k %1
R916 0R
+12V
POWER_SW
47UF
C912 47UF
C915
47UF
C918
0R
R928
FRC_BL_CTRL
47R
R930
47R
R929
R931 NC
POWER_SW
FRC_DIM0
FRC_DIM1
FRC_DIM2
BL_CTRLX
3000mA
22p
FC
942
22p
FC
943
22p
FC
944
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
P7
7
P8
8
P9
9
P10
10
GND
15
GND
16
P11
11
P12
12
P13
13
P14
14
S900
POWER_SW
1N
F
C945
1N
F
C906
100NF
C901
L902 60R 1.7A
1K*4
R918
R906 1k
R908 1k
47R
R905
R915 15.4k %1
R917 6.2K %1
100NF
C917
TP102
TP106
TP105
TP107
TP109
TP110
TP111
TP112
TP103
C946
NC
TP207
20K
R900
OUT
1
GND
2
FLT
3
EN
4
IN
5
IC905 TPS2530
OUT
1
GND
2
FLT
3
EN
4
IN
5
IC906 TPS2530
VCC_ST
R933
NC
R910
100k
VIN
8
EN
1
VFB
2
PG
4
SW
6
VREG5
3
VBST
7
GND
5
EPAD
9
IC903 TPS56528
POWER_SW
VDDC
470nF
C923
0R R920
12K
R921
0R R909
4*0R R907
P1
1
P2
2
P3
3
P4
4
GND
8
GND
7
P5
5
P6
6
S901
NC
LDIM_SPI_CK
LDIM_SPI_DI
LDIM_SPI_CS
LDIM_SPI_DO
LDIM_VSYNC
RESERVED FOR LDIM
LDIM_SPI_CK
LDIM_SPI_DI
LDIM_SPI_CS
LDIM_SPI_DO
LDIM_VSYNC
FRC-SCK
LDIM_U10_SPI_DI
LDIM_U10_SPI_CS
LDIM_U10_SPI_DO
LDIM_U10_VSYNC
0R R932
4*0R R922
LDIM_SPI_CK
LDIM_SPI_DI
LDIM_SPI_CS
LDIM_SPI_DO
LDIM_VSYNC
LDIM_G7_SPI_CK
LDIM_G7_SPI_DI
LDIM_G7_SPI_CS
LDIM_G7_SPI_DO
LDIM_G7_SPI_CK
LDIM_G7_SPI_DI
LDIM_G7_SPI_CS
LDIM_G7_SPI_DO
FRC-SCK
LDIM_U10_SPI_DI
LDIM_U10_SPI_CS
LDIM_U10_SPI_DO
LDIM_U10_VSYNC
BRI_ADJ
R935
NC
R936
0R
LDIM_SPI_CK
LDIM_SPI_DI
LDIM_SPI_CS
LDIM_VSYNC 1
3
5
7 2
4
6
8
4*0R R937
LOCAL DIMMING
SCANNING BL
L913
NC
BRI_ADJ
BRI_ADJ
L914
VCC_ST
C924 C927 C928
R934
L915
D902 D903
+5V2_ST
L903
60R
1.7A
+V
+V
D904 D905 D906 D907 D908
100NF C925
100NF C920
100NF C926
PSU with 5V
PSU without 5V
non STR option
PSU without 5V
7
8
Trigger
1 2
3
4
5
SW1
VBST1
EN1
VFB2
VFB1
GND
VREG5
PGND1
VBST2
EN2
SW2
VIN1
5VREG
EN
Logic
EN Logic
Ref1
SS2
SS1
UV2
UV1
UV2
UVLO
VREG5
UVLO
Fixed
SoftStart
REF
TSD
Ref1
Ref2
-32%
SS1
SS2
-16%
+16%
PG1
PGND
-16%
+16%
PG2
CH1Min-off timer
CH2Min-off timer
VIN1
VIN2
PGND2
PGND2
SW2
Ref_OCL
OCP2 ZC2
OCP1
ZC1
SW2
PGND1
SW1
Ref_OCL
SW1
Control logic
VREG5
XCON
Control logic
Protection
Logic
Err
Comp
Err
Comp
PG
Comp
PG
Comp
UV1
-32%
PGND
TPS542941
PGND
PGND
XCON
Ref2
Charge
Pump
Driver
UVLO
Current
Limit
Thermal
Sense
8-ms
Deglitch
IN
GND
OUT
Current
Sense
OTSD
EN
FLT
TPS2530
CS
SW
VBST
EN
VFB
GND 5
6
4
7
VIN
PG
VREG5
EN
Logic
SW
PGND
Protection
Logic
REF
SS
UVLO
UVLO
Softstart SS
REF
TSD
REF
VREG5
8
VIN
3
PWM +
-
+
OCP
+
-
VREG5
XCON
VREG5
Control Logic
1 shot
ON
SW
PGND
ZC
+
-
2
1
OV
+
-
+
-
+25%
OV
EN
REF
-10%
EN
TPS56528
2 SW
ZC
XCON
PWM
Control Logic
+
+
+
UVP
OVP
3 VIN
Ton
One-Shot
6 VBST
+
4 VFB
OCL
+
+
Soft Start
5 EN
HS
LS
1 GND
Voltage
Reference
Hiccup
V
UVP
V
OVP
OCL
threshold
Regulator
UVLO
VREG5
VREG5
TSD
TPS562200
TPS563200
TPS562209
XC6222D
ON/OFF
Control each
circuit
Error
Amp.
Voltage
Reference
R1
R2
CFB
VOUT
VSS
CE
VIN
+
-
Current Limit &
Thermal Shoutdown
Reverse Current
Protection
/CE
Rdischg
1 2 3 4 5