Grundig Toronto 32-7830 T Service Manual page 52

GRUNDIG Service
Hauptplatte – Netzteil / Main Board – Power Supply
PANEL
V
R223
10k
ST.BY
L-PowerO N
H-ST.BY
+24V_PANEL
R229
2.7K %1
+5V_SW
+12V +5V
+3.3V
R 269
R238
10K
10K /N C
R234
10K
R226
ST.BY
47k
L-PowerO N
T208
H-ST.BY BC847B
GND
+5V
R236
PWM0
PWM0
T206
10K
BC847B
+3.3V
GND
R235
10K
R237
ON_PBACK
ON_PBACK
T207
10K
BC847B
GND GND
+3.3V
R204
1K %1
R230
10K
R227
10K %1
T210
BC847
C238
R231
R228 47P
33K %1
10K
R233
C237
IC205
3.3K
TLV 431/SOT23
10n
GND
TO PANEL
OPTIONAL
2mm S200
S703
1 1
P1 P1
2 2
P2 P2
L206
3 3
P3 P3
4 4
120R/100MHZ
P4 P4
5 5
P5 P5 GND
6 6
P6 P6
7 7
P7 P7
8 8
P8 P8
9 9
P9 P9
10 10
P10 P10
11 11
P11 P11
12 12 R241 R249
P12 P12
10k 10K
13 13
P13 P13
14
P14
+3.3V
ABNORMAL
R214 R250
1K 1K
+5V +3.3V
SMPSON/OFF
R240 R251
INV_ON/OFF
1K 100R
DIMMING
C267
10uF/25V
R239
GND +12V
1K
BR_IN +24V
BR_OUT
BR_OUT
C268
R202
C266 *
100uF/25V
0.1uF
GNDGND
GND
2 - 26
Chassis BL (LX prime IDTV)
R232
10K
24V SENSE
24VS ENSE
If +24V>21V-> Hi
If +24V<21V-> Lo
10P
+24V_PANEL S201
1
P1
2
P2
3
P3
4
C239
P4
5
P5
6
100nF P6
7
P7
8
P8
GND_BL 9
P9
10
P10
COND10P_2mm
R242
S202
*
H-24V ON L-24V OFF
13
P13
12
P12
11
GND P11
10
P10
9
P9
8
P8
7
P7
6
P6
GND 5
P5
4
P4
3
P3
2
P2
1
P1
COND13P_2mm
L202 L203
120R/100MHZ
S203
120R/100MHZ
1
1
2
L204
2
3
3
055622R
4
4
CON4
C270
C265
C264 C269
ForP VR
0.1uF 1nF 0.1uF
1nF
C271
0.1uF
GND GND GND GND