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
220nF
C309
1u
C300
1nF
C314
4.7nF
C310
10nF
C302
*
R301
10K
C304
10nF
R308
27K
C312
10nF
R305
56k
R3
09
16
.9
K
%
1
REF
C303
12pF 3KV
R306
0
R312
100K
R314
9K1
R313
10K
FB
C316
1nF
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 3KV
R310
1K
OLR
R302
1K
FB
3
2
1
D301
BAV99
R303
1K
OLP2
OLP1
X5Y
+12V_I NV
BL ON/OFF
DIM
G1
2
D1
8
S2
3
G2
4
S1
1
D1
7
D2
6
D2
5
IC305
STS4C3F30L
BL ON/OFF
DIM
L309
68R/100MHz
REF
Q300
BC847B
R336
0R
GND1
GND1 GND1
GND1 GND1
GND1
J302
Jumper
J338
Jumper
J309
Jumper
J310
Jumper
J311
Jumper
J306
Jumper
WARNING
WARNING
WARNING
WARNING
1
2
S307
LAMP2
1
2
S308
LAMP1
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
XKU194-04
&
*
(
GR
UNDIG Ser
vice
Chassis L
W
2 - 16
