Grundig 40 VLE 5430 BP Servicehandbuch Seite 122

GRUNDIG Service
UHD-Modul – Netzteil / UHD Board – Power Supply ZJA192R-2
R605 10K*4
IC600
L602
2
VCC19V VIN
EN HI<>1.21V 3
EN
6
2300mA
COMP
C601 C602 4
SS
R603
26.1K
10UF 100NF
C605 C606
C740
8.2NF
2.2NF 47PF
VCC19V
VCC1V0
850mA
L608 IC602
TP99 2
VIN
7
EN_1v5-1v1
EN
TP127 C609
6
VREG5
10UF 8
SS
C621
EN HI>1.6V LO<0.6V
8.2NF
C622
1UF
R616
VCC3V3
4.7K*4
VCC_12V
VCC3V3-ST
L604 IC603
2
VIN
7
EN
6
VREG5
C624 8
SS
10UF
C630
8.2NF
C629
1UF
L607
EN HI>1.6V LO<0.6V
IC605
15
C640 C745 C746
VIN
10UF 10UF 10UF 16
VIN
17
VIN
EN_1v15 28
VCC3V3 EN
R619 47K
EN_1v5-1v1 1
PGOOD
VCC5V
R633 100K
R604 0R
18
V5
3
MODE
20
TRIP
21
SLEW
C646 2
NU
1UF 27
NU
4
C749
NC
10NF
VCC1V5
L601 IC604 TPS54339E
2
TP105
VIN
EN_1v5-1v1 7
EN
6
VREG5
8
C631
SS
10UF
C636
EN HI>1.6V LO<0.6V
8.2NF
C637
1UF
REFIN 1
+
2.3V
UVLO
Dchg
VIN 10 + Gm
REF
VOSNS 5
+
Dchg
VTT
ENVTT
EN 7
Gm
REFINOK
GND 8
+
Startup
Delay
TPS51200
+
1 2
1
VCC_12V
C600
TPS54531 100NF L600
1 TP98
BOOT
8
PH
5
VSENS
7 C603
GND
R602
R601 R600
1.2K
10UF
D600
1.5K 15.4K
Vo=0.8*(1+(R600+R601)/R602)
2
1500mA
C612 L605 VCC1V0
TPS54339E 100NF NRS5040T4R7NMGK
1 TP100
VBST
3
R609
SW
R608
5 2.7K C613 C614
VFB
4 6.2K
GND
10UF 10UF
R615
C734
26.1K
8.2PF
Vo=0.765*(1+(R608+R609)/R615)
3
900mA
C623 VCC3V3
TPS54339E 100NF L606
1 TP103
VBST
3
SW
R622 R620
5 C625 C626
VFB
4
84.5K
6.2K
GND
10UF 10UF
R621
C628
26.1K
8.2PF
Vo=0.765*(1+(R622+R620)/R621)
4
VCC1V15
C641
TPS51363RVER 100NF
R641 0R
5
BST
L613
6
SW
7
SW
8 R642
SW
9
0R
SW
22
VSNS
R637
26
VREF
84.5K
25
REFIN
R638
24 R640
30.9K
REFIN2
R634
R617
R639
NC
84.5K
NC
C750
100NF
FB_CONTROL
5
1200mA
VCC1V5
C632
100NF L609
1
VBST TP106
3
SW
5 C633 C634 C635
VFB
4
R623 R624
GND
15.4K 10K 10UF 10UF 10UF
R628
C645
26.1K
8.2PF
Vo=0.765*(1+(R623+R624)/R628)
REFIN REFIN2
2 VLDOIN
6 REFOUT
V REFIN –34%
Reference
VREF Ref.
Detection
GSNS
EN Soft-Start
V REFIN +20%
3 VO
SLEW
VSNS
+
+
V
REFIN
4 PGND
9 PGOOD
Discharge
Phase
Compensation
OCL
TRIP
TRIP Reference
+
Detection
Voltage
NOC
+
+
TPS51363
3
R606 1K
VCC1V5
VCC_12V
VCC1V5
C610 C611
C604 C732 C739 10UF 10UF
10UF 10UF 10UF
TP126
VTT_0.75V
C618 C619 C620
10UF 10UF 10UF
PANEL POWER
C615
10UF
VCC_12V
VCC_PANEL
VCC3V3
C627
TCON_ON
10UF
Hi: Off
Lo: On
VCC_PANEL
VCC1V15
TP104
C775
6000mA
4.7UF
C642 C643 C644 C747 C748
NC CHIP_VDET
CHIP_VDET
FB_CONTROL
+ V REFIN +20% +
UV
Delay
+ +
OV
V REFIN -8/34%
Control Mode
On-Time
Selection
Control Logic
- On/Off Time
PWM
- Minimum On/Off
- SKIP/FCCM
- OCL/OVP/UVP
- Disharge
XCON
t ON
One-
OC
Shot
+
ZC
V5OK 4.V/4.0V
5-V UVLO
4
2 - 36
0.75V Power for DDR3 Terminators
VCC_VTT
R607
C608
1K
IC601
TPS51200DRCT
1NF
1 10
REFIN VIN
2 9 R610
VLDOIN PGOOD
3 7 R611
VO EN
5 6
VOSNS REFOUT
C616
R612
10K 4 8
GND GND
1NF
TCON POWER
L610
T603
8
3 7
2 6
L629 30R 4A
1 5
L611
FDS4435
30R 4A
2 T600
3
R629
L612
C638
22K C639
1UF
1UF
R630
4*22K
TCON_ON
TP102
T602B
5 2
T602A
IC606
3 2
VIN VOUT VCC5V
1 4
ADJ TAB
C773 C774
6
R613
AP1117YG-13
1K
R614 330R 10UF 10UF
7
Pd=0.5W
Trigger
R631 1.8K R632 1.8K
T601A
R635
2 R636 4.7K*4
1.8K
T601B 5
VCC3V3
V in 3
+
+
AP1117
CURRENT
Thermal
Shutdown
TPS54339E
8
SS Softstart SS
PGOOD
Control Logic
7
EN EN Logic
Ref
PWM
1 Shot
SS
5
VFB
MODE OV
+25%
BST
VIN
OV
Protection
UVLO
Logic
TSD
ZC
VREG5
SW
UVLO Ref
VREG5 6 REF
VIN
V5
EN
165°C Thermal
Shutdown
PGND
1µA 3µA
Shutdown
TPS54531
1.25V
Enable
Enable
GND
Comparator
Threshold
Error
ECO-MODE™
Amplifier
Minimum Clamp
VSENSE
Gate
gm = 92µA/V
PWM
Drive
DC gain = 800V/V
Comparator
BW = 2.7MHz Logic
0.8V
Slope
SS
Reference
Compensation
2k
Shut
VSENSE Frequency Shift
Discharge
down
Logic
Maximum Clamp
COMP
5
Chassis KT
L603
VCC3V3
C607
1UF
100K
10K
REF_DDR3
REF_DDR3
C617
100NF
TP101
VCC_TCON
S600
VCC19V
6
P6
5
P5
4
P4
3
P3
2
P2
1
P1
6PIN
GPIO_VID_0
GPIO_VID_0
GPIO_VID_1
GPIO_VID_1
2 V out
1.25V +
1
LIMIT
GND
+
(FIXED)
Adj
1
VREG5
1 VBST
VIN
2
SW
3
XCON
VREG5
4 GND
SW
PGND
SW
OCP
PGND
VIN
Shutdown
Logic
Boot Charge
Boot UVLO
BOOT
2.1V
Curr.
Sense
PWM
Latch
R Q
S
PH
80m
Osc.
GND