Grundig 32 VLE 6520 BH, Руководство по обслуживанию

Страница: 62 / 91

GR
UNDIG Ser
vice
Chassis KU
2 - 10
Chassisplatte – Netzteil / Chassis Board – Power Supply
5 1
6
Mode: with HDD
2
7 3
8 4
FRC or
DUAL FE OPTION
VCC3V3
VCC3V3-ST
VCC3V3
TP187
VCC1V5
VCC1.22V
T2 & S2 DEMOD
C114
NC
C118
1nF
VCC3V3-ST
C121
1nF
+5V2_ST
Hi: ON
Lo: OFF
1
3
5
7 2
4
6
8
R122
10K
BL_CTRL
Hi: Off
Lo: On
PWM: Special aplications
BL_CTRL
PWM -100Hz/100KHz
Hi: Max Lum
Lo: Min Lum
VCC
GND
1
2
4 3
5
IC102
NC7SZ32
BRI_ADJ
BRI_ADJ
R119
1K
5
4 3
T103B
BC847BPDW1T1
2
6
1
T103A
BC847BPDW1T1
VCC
GND
1
2
4 3
5
IC101
NC7SZ32
TP185
TP186
VCC3V3-ST
VCC3V3-ST
BL_CTRLX
BRI_ADJX
POWER_SWX
4.7K
R109
POWER_SW2
POWER_SW2
3
1
2
D101
BAT54CW
5
4 3
T100B
BC847BPDW1T1
2
6
1
T100A
BC847BPDW1T1
1 3
5 7
2 4
6 8
R103
10K
3D_EN
3D_EN
3
1
2
D100
BAT54CW
Power
+5V2_ST 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
S100
MOLEX_5025841460
VCC19V
BL_CTRLX
BRI_ADJX
POWER_SWX
2
6
1
T104A
5
3
4
T104B
4.7K*4
R142
NC
R139
47K
R144
NC
VCC3V3-ST
GPIO_VID_1
GPIO_VID_0
GPIO_VID_1
GPIO_VID_0
VDDC_CPU
R145
NC
R124
47K
+5V2_ST
POWER_SW
C105
1uF 16V
R107
22K
TC
ON_O
N
PANEL-VCC
VCC3V3-ST
Hi: Off
Lo: On
1
3 2
T101
PMV65XP
C107
NC
TP184
2
1
6
T102B
BC847BDW1T1
1 3
5 7
2 4
6 8
R110
22K
TCON_O
N
5
4
3
T102A
BC847BDW1T1
60R 3A
L103
0R
R113
FRC_TCON_O
N
FR
C_
TC
ON_ON
R111
0R
VCC
4
GND
1
RST
2
MR
3
IC106
NC
POWER_DROP POWER_DROP
R133
NC
R129
NC
TP188
+5V2_ST VCC19V
R128
NC
R132
NC
R138
NC
VCC12V
R165
1K
POWER_SENSE
POWER_SENSE
R161
100K
R167
10K
VCC19V
1
3
5
7 2
4
6
8
R164
NC/10K
+5V2_ST
C160
NC/
10nF
TP190
84.5K R160
VCC5V
L106
3.3UH
L108
22UF
C127
22UF
C128
+5V2_ST
VCC1.18V
POWER_SW
22PF
C124
1.8K
R127
L115
+5V2_ST
POWER_SW
22PF
C145
R146 15.4k %1
9.1K
R147
100R
R149
L111
22UF
C138
22UF
C139
+5V2_ST
POWER_SW
22PF
C134
R137 15.4k %1
R141 15.4k %1
R143
0R
L109
10UF
C103
22UF
C132
22UF
C174
+5V2_ST
POWER_SW
22PF
C129
R131
6.2K %1
R130 15.4k %1
2K R134
VCC5V_CI_WIFI_MHL
VCC12V
VCC19V
VCC3V3-ST
VCC1V17
22UF
C169
22UF
C170
22UF
C167
22UF
C168
1UF
C172
22PF C173
22PF
C171
60R
3A
L121
+5V2_ST
10UF
C163
+5V2_19V
FRC
L119
22UF
C161
+5V2_ST
POWER_SW
22PF
C158
R162 15.4k %1
VCC1.8V
VCORE_FB
VCORE_FB
R135
NC
POWER_SW
MR_POW MR_POW
22UF
C133
R176
10K
VCC3V3-ST
POWER_SW
Vout
1
GND
2
CE
3
Vin
4
EPAD
5
IC114
XC8102AA01GR-G
C179
100nF
C178
100nF
+5V2_ST
POWER_SW
Imax=1480mA
Imax=760mA
DDR
Imax=850mA
Imax=230mA
Imax=650mA
PDmax=110mW
PDmax=170mW
PDmax=150mW
PDmax=255mW
Imax=2900mA
Inb max=950mA
panel max=1200mA
60R
L101
10K
R101
+5V2_ST
66.5K
R102
2K
R100
SINGLE 19V OPTION
+5V2_19V
60R
L105
10UF
C113
10UF
C115
15.4K
R117
1.5K
R118
1.2K
R115
POWER_SW2
12K
R120
1.5NF
C117
47PF
C116
100NF C165
C140 100NF
C154 100NF
100NF
C130
C123 100NF
C122 100NF
100PF
C108
3.3NF
C109 6.2K
R104
2.2UH
L120
2.2UH
L116
2.2UH
L112
30.9K R125
6.2K R166
R163 15.4k %1
1.8K
R172
6.2K
R170
R157
15.4k %1 2K
R159
3.3UH
L110
R140
47K
60R
L117
10UF
C142
100PF
C153
3.3NF
C155 6.2K
R158
VCC19V
POWER_SW2
60R
L118
10UF
C176
10UF
C175
10UF
C164
10UF
C157
100PF
C180
3.3NF
C181
6.2K
R180
VCC19V
POWER_SW2
NRS5040T4R7NMGK
L113
NRS5040T4R7NMGK
L114
R173
6.2K %1
C166
100NF
39K
R106
8.2K
R105
39K
R168
8.2K
R123
temporary case!!!
10UF
C126
39K
R174
8.2K
R175
R154 15.4k %1
680R
R155 84.5K R156
R177 15.4k %1 680R
R178
84.5K
R179
39K
R181
8.2K
R182
VOUT
1
VSS
2
FLG
3
CE
4
VIN
5
XC8107AC10MR-GW
IC107
GND
1
SW
2
VIN
3
VFB
4
EN
5
VBST
6
TPS562200DDCR
IC104
GND
1
SW
2
VIN
3
VFB
4
EN
5
VBST
6
TPS562200DDCR
IC108
GND
1
SW
2
VIN
3
VFB
4
EN
5
VBST
6
TPS562200DDCR
IC109
GND
1
SW
2
VIN
3
VFB
4
EN
5
VBST
6
TPS562200DDCR
IC112
GND
1
SW
2
VIN
3
VFB
4
EN
5
VBST
6
TPS562200DDCR
IC105
RT
10
VIN
1
PH
2
VSENSE
6
GND
3
GND
4
BOOT
9
GND
5
COMP
7
EN
8
EPAD
11
TPS54335DRCR
IC110
RT
10
VIN
1
PH
2
VSENSE
6
GND
3
GND
4
BOOT
9
GND
5
COMP
7
EN
8
EPAD
11
TPS54335DRCR
IC115
RT
10
VIN
1
PH
2
VSENSE
6
GND
3
GND
4
BOOT
9
GND
5
COMP
7
EN
8
EPAD
11
TPS54335DRCR
IC100
RT
10
VIN
1
PH
2
VSENSE
6
GND
3
GND
4
BOOT
9
GND
5
COMP
7
EN
8
EPAD
11
TPS54335DRCR
IC103
VBS
T2
1
VI
N2
2
VI
N1
3
VBS
T1
4
SW1
5
EN1
7
PGND1
6
PG1
8
VF
B1
9
GND
10
VREG5
11
VF
B2
12
PG2
13
EN2
14
PGND2
15
SW2
16
EPAD
17
TPS542941RSAR
IC113
NRS4018T2R2MDGJ
L123
NRS4018T2R2MDGJ
L122
100NF
C162
100NF
C184
100NF
C183
100NF
C182
6.3UH
L100
6.3UH
L104
C100
100nF
C111
100nF
C110
100nF
C104
100nF
C141
100nF
C144
100nF
C152
100nF
C156
100nF
C177
100nF
C120
100nF
1UF
C136
1UF
C135
100NF
C106
10UF
C101
10UF
C102
10UF
C131
10UF
C125
10UF
C137
10UF
C146
10UF
C159
10UF
C151
10UF
C150
10UF
C143
10UF
C119
10UF
C112
4A
L102
30R
VCC5V_CI_WIFI_MHL +5V_USB
60R
L107 NC
R126
+5V_USB
TP255
TP90
TP237
TP89
TP257
TP254
TP240
TP238
TP94
TP243
TP256
TP91
TP93
TP95
TP239
TP92
100R
R112
100R
R116
0R
R171
60R 3A
L129
10UF
C148
10UF
C149
10UF
C147
10UF
C185
1
2
3
4
5
6
7 8
ERROR AMP.
Boot
Charge
Slope Comp.
Maximum
Clamp
Voltage Ref.
Overload
Recovery
VSENSE
SS
TPS54336
COMP RT
TPS54335
BOOT
GND
Thermal Hiccup
EN
Enable
Comp.
Shutdown
Logic
Enable
Threshold
EXPOSED THERMAL PAD
Power Stage
& Deadtime
Control Logic
OV
Minimum Clamp
Pulse Skip
Ip Ih
VIN
HS MOSFET
Current Comp.
Curr.
Sense
Curr.
Sense
Reg.
VIN
PH
Hiccup
Shut-
down
Hiccup
Shutdown
LS MOSFET
Current Limit
Osc.
UVLO
TPS54335
TPS54336
Boot
UVLO
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
TPS562209
XC8102
each
circuit
ON/OFF Control
GATE
CONTROL
Current
Limit
VIN
VSS
VOUT
CE
Rdischg
CE/
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
XC8107
Vss
V
IN
V
OUT
FLG
Thermal Shutdown
ON/OFF Control
UVLO Control Current Lim.
Current Sense
7.5ms Delay 4ms Delay
Reverse Current Prevention
each
circuit
CE