OLP
1
OLR
2
ENA
3
S_S
4
GND
5
REF
6
ADI M
7
BDI M
8
EA_I N
9
EA_OUT
10
BCT
11
RT
12
CT
13
OUTD
14
OUTC
15
PGND
16
VI N
17
OUTA
18
OUTB
19
RT1
20
IC304
FAN7314
C311
220pF
C305
0.22uF
C309
1u
C300
1nF
C314
4.7nF
C310
10nF
C302
*
R301
10K
C304
10nF
R308
22K
C312
10nF
R305
56k
R309
22K
REF
C303
12pF
R306
0
R312
100K
R314
9K1
R313
10K
FB
C316
??
OLR
R315
100K
104338R
R316
330K
C319
1uF
3
3
1
1
2
2
D307
BAW56
OLP
REF
3
3
1
1
2
2
D305
BAW56
R318
10K
OLP2
C322
2.2nF
R317
10K
OLP1
C321
2.2nF
1
2
3
4
5
6
7
8
9
10
11
12
TR301
SMTTRAF O _ ETD29/16/10
R300
82K
RT
R304
10K
OUTB
OUTA
C306
1uF
C315
4.7nF
R311
27K
RT
C307
10uF
1
2
S305
LAMP1
1
2
S306
LAMP2
3
1
2
D302
BAV70
3
2
1
D300
BAV99
R307
1K
C313
10nF
C308
12pF
R310
1K
OLR
R302
1K
FB
3
2
1
D301
BAV99
R303
1K
OLP2
OLP1
X5Y
+12V_INV
BL ON/OFF
DIM
G1
2
D1
8
S2
3
G2
4
S1
1
D1
7
D2
6
D2
5
IC305
FDS8958A
BL ON/OFF
DIM
L309
FB_3A
REF
Q300
BC847B
R336
0R
GND1
GND1 GND1
GND1 GND1
GND1
J302
Jumper
J338
Jumper
J309
Jumper
J310
Jumper
J311
Jumper
J306
Jumper
WARNI NG
WARNI NG
17
19
18
FAN7314
BDIM
S_S
EA_OUT
OSCILLATOR
RT
Error Amp.
EA_IN
6µA
-
+
CT
max. 2V
min. 0.5V
ADIM
OUTB
OUTA
OUTC
OUTD
-
+
V
IN
2.5V
REF
ENA
UVLO 5V
UVLO
REF
BCT
+
-
max. 2V
min. 0.5V
OLR
-
+
2V
-
+
1.4V
S
olr
Q
Q
SET
CLR
S
R
UVLO
OLP
-
+
PGND
S
burst
Voltage
Reference
&
Internal
Bias
V
IN
1.4µA
UVLO
Output
Driver
Output
Control
Logic
AGND
S
olr
105µA
S
burst
85µA
Output
Driver
+
+
-
2.4V
V
a
+
α
V
OLP
V
OLP
+
α
2.5V 1.5V
RT1
M
RT1
Striking
Logic
OLP
S_S
2.65V
Bedien-/Netzteil-/Inverterplatte / Keyboard Control/Power Supply/Inverter Board
XKU194-03
&
*
(
GR
UNDIG Ser
vice
Chassis L
W
2 - 12