Netzteil - Grundig Toronto 32-7830 T Service Manual

Hauptplatte – Netzteil / Main Board – Power Supply
Vcc3.3 for analog and digital
IC200
+3.3V
NCP1117DT33RKGTO-252
3 2
+5V VIN VOUT
C200
1 4
ADJ TAB
+ C207
1uF
R201 C204 0.1uF
2 1
* 100uF/16V
2 1
R200 0R
GND
GND
IC201
+2.5V
NCP1117STAT3GSOT-223
3 2
VIN VOUT
1 4
C203
ADJ TAB C209
+
0.1uF
1uF R261 100R %1
2 1 C216
100uF/16V
2 1
GND
R262 100R%1
GND
IC203
+1.8V
NCP1117ST18T3G DPAK
3 2
VIN VOUT
1 4
ADJ TAB
+
C210
C202
C206
1uF
0.1uF
100uF/16V
GND GND
IC202
+1.2V
NCP1117DTARK TO-252
3 2
VIN VOUT
1 4
ADJ TAB
+
C201
C208
1uF 0.1uF
C205
100uF/16V
GND GND
T213 +9V
BC817B
R248
2 1
+12V_SW
10
R247
C275
2 1
0.1uF
390
C273
1uF
D203
D205
BZX384-C8V2
BAV99LT1
GND
GND
GND
+3.3AVDD for AVDD_DVI +3.3AVDD for AVDDA
+3.3V AVDD_DVI +3.3V AVDDA
L209
Pin6 ,1 2 L212
1 2 1 2
600RBead0603 600RBead0603
C240 C242 C244 C241
10uF/25V 0.1uF 0.1uF 10uF/25V
GND
+3.3V for AVDD_MemPLL +3.3V for AVDD_MPLL
3,5mA8 mA
+3.3V AVDD_MemPLL +3.3V AVDD_MPLL
L210 L211
1 2 Pin133 1 2
600RBead0603 600RBead0603
C243
C245
0.1uF
0.1uF
GND
R203
6K8
SS
IC204
MAX8576 C219
R205 5,36k1%
1 10
FB OCSET
SDCOV_12V_IN
C217 2 9
10n
SS IN
10n
VL 3 8
VL DH
4 7 4
GND LX
5 6 3
DL BST
GND
2
C220
1
R206
4R7 FDS6984AS
D200
100n
C218
BAS40-00-V
4.7u
295476R
GND
+24V
VL
S.C. Protection Circuit
R244 SS
SDCOV_12V_IN 10k
T212
R245
2N7002
R243
T211
47k
BC847B 100
R246
*
R266
3K9
C272
GND GND
*
GND
GND
+3.3V for AVDD_SIF +3.3V for AVDD_AU
200mA 6.5mA
+3.3V AVDD_SIF
L213
+3.3V
600RBead 0603
L215
1 2
Pin36 Pin63
1
C248 600RBead0603
C246 0.1uF
0.1uF
GND GND
+3.3V
L214
Pin194, 256 Pin97, 162, 180, 196, 209, 223, 237, 252
600RBead0603
1 2
C247 C212 C249 C250 C251
C211
0.1uF 0.1uF 0.1uF 0.1uF
0.1uF
0.1uF
GND
T201
STS5DNF20V
R211
C228
C231
1k81 %
C224
5
100N
27nX7R
1 L707
6
120R/100MHZ
R212
GND GND
39K 1%
L200
7
B82464–G4472–M
L201
8
C223
1n
C225
+
C226
C229
1u
10 10 10 10
C221
22nF R207 R208 R209 R210
22u X7R
22u X7R
GND
R213
1 2 1 2
+33V
1K D202
D201
BAV99LT1 R215
100K
C222
C227
220nF50V
220N 50V
GND GND GND GND
1
27mA
AVDD_AU
+1.2V
L216
2
Pin70 Pin 99, 146, 182, 195, 242
1 2
120R/100MHZ
C253 C254
0.1uF
0.1uF
GND
85mA
VDDP
+2.5MVDD (DDR) for VDDM
+2.5V
L217
1 2 Pin 106, 112, 117, 132, 144
600OHMB ead0603
C252 C214
C213
C215
0.1uF
0.1uF C255
0.1uF 0.1uF
0.1uF
GND
+12V +5V
T200
PMV60EN
C236
L205
120R/100MHz
+
C235
220U/25VLESR
L208
120R/100MHz 3A
GND
+5V
for5 V panels
120R/100MHZ
T209
FDS9933A
1 8
S1 D1
2 7
G1 D1
C232 3 6
+
S2 D2
100n 4 5
G2 D2
R216
47k
R222 T204
BC847B
C234 100n 15k
R217
C276
2.2uF
47k
GND
100n
C233
GND
R221 +5V_SW +3.3V
15k
R224 R845
10k
R219
T202
47k
R268
BC847B
22K
GND
OCSET
MAX8578
MAX8579
EN
370mA
VDDC
FB
C256 C258 C260 C262
0.1uF 0.1uF 0.1uF 0.1uF
SS
GND
35mA
VDDM IN
MAX8576
MAX8577
VL
C257 C259 C261 C263 V
CC
MAX8578
0.1uF 0.1uF 0.1uF 0.1uF
MAX8579
GND
+5V_SW
10n
R220
2k2
VPANEL
VPANEL
+12V_SW
+3.3V
R218
R223
47k
R267 10k
10K R225
2 1
ST.BY
47K
L-PowerO N
H-ST.BY
T205
BC847B
GND
10k
ON_PANEL
L-PanelO FF
H-PanelO N
FAULT
BST
LX
GND
0.3
DHI
DH
OVP
DRIVERS
0.75V
LX
SS
RAMP
DLI
DL
0.05V
VLOK
VL REG
POK
REFOK
REF
MAX8576–MAX8579
GND