Grundig 32 GLX 2500 Service Manual page 25

Chassis – Netzteil / Power Supply YRQ190R-5
L113 P5V_STBY
120R/100MHZ 3A
R116
S100
470/NC
L100
1
120R/100MHZ 3A
2
3
+
4
BL ON/OFF C100
-
5
C116 C117
100UF/16V
6
10NF 1UF
7
8
9
10
11 SD12V
12 BL ON/OFF
13
14
C161
10NF
POWER
C162 C164
10NF
10NF
EXT_DIM_IN EXT_DIM_OUT
EXT_DIM_IN EXT_DIM_OUT
From Tcon
when using DCR C163 0R R107 NC when using
10NF
DCR from Tcon
To Panel Inverter
Vbr-A
S101
R108
1 EXT_DIM_OUT
P1
2
P2 (1K)
R111
C115
(1K)
(470nF)
DCR OPTION
U101
AP1117EL-13
3 2
VIN VOUT
4
4
R138 0R
P5V_STBY U105
Q107 AP1117Y
PMX65XP
3 2
VIN VOUT
4
4
C152 R139
C134 C135
D1V8
1UF/16V 330NF/25V R123
150R
R140 100R
Q108
BC847
R125
10R
P12V
P24V P5V_STBY P12V
D111
P5V_STBY
BZX84C6V2
L102
120R/100 MHZ 3A
+
C102
-
100UF/25V
P5V_STBY
R141
4K7/NC
R148
0R
STBY_CTRL
Vin 3 2 Vout
+
1.25V +
+
AP1117
CURRENT
1
LIMIT
GND
+
(FIXED)
Thermal
Adj
Shutdown 1
P3V3
P3V3
R121
91R
C113
+
C136 C138
-
100NF/25V 100UF/16V 33NF/50V
R109
P24V
C148
75R
1UF/16V D100
BAV99LT1
PANEL POWER / 5V SW
L103 FB
VDD_PANEL
C103 R100
C104
100K U108
0U1F/25V
FDS9933A
1UF/16V
1 8
S2 D2
2 7
G2 D2
3 6
S1 D1
L104 R144 4 5
G1 D1
15K
120R /100MHZ 3A
C106
R101
5 4
100NF/25V
Q101
1K 6 Q1 3
BC848BLT1G P5V_STBY
7 2
Q2
8 1
FDS9933
R128
C151 100K
1UF/16V
R143
15K
R130
4K7
STBY_CTRL
Q105
BC848BLT1G
D1V8
P5V_STBY U103
AP1117Y
3 2
VIN VOUT
4
4
R113
220R
C124 C125 C126
1UF/16V 330NF/25V R117 100NF/25V
0R
C132
R119 1UF/16V
100R
C114
P33V
PWM_33V
33NF/50V
R110
VCC_33 V
C121 D101 1K C123
100NF/50V C122 47UF/50V D103
BAV99LT1
100NF/50V
BZX84C33 SOT23
A9V
U100
AP1117Y
P12V
A5V 3 2
VIN VOUT
4
4
C107 C108
1UF/25V 0.33 UF/25V
R104
1K1
R105
15R
C101
1UF/25V
P12V
R112
100K
Q102
R115
BC847
1K
D1V05
D1V8
C111 - IC-SMD FAN2012MPX MLP-6
R103
C105 R106
+
47UF/16V
3K 10K
1
FB
4U7F/16V
2
GND
L108
PWM_33V 3
D1V05 SW
+
4U7H/2A
C127
-
1
47UF/16V
U102
D104
PMEG2020EH
AN2011/FAN2012
DIGITAL
FB
SOFT START
ERROR
AMP
0.8V
GND
OSC
1
SLOPE COMPENSATION
EVOL-9V
R102
180R
C110
C109
+
-
0.1UF/16V 47UF/16V
C119
1UF/16V
P12SWV
Q100
PMV65XP
STBY_CTRL
C112
4U7F/16V
6
EN
5
VINA
4
VINB
P5V_STBY
22UF/50V C118
V
EN
IN
CURRENT
UNDER VOLTAGE
IS
SENSE
LOCKOUT
COMP LOGIC
MOSFET
CONTROL SW
DRIVER
IS
REF
OVER
VOLTAGE
COMP
FB
GND