Circuit Diagrams and PWB Layouts
37
LC4.5E AA
7.
DC-DC Converter
OUT
IN
CTRL NC
COM
FB
OUT
COMP
VREF
VCC
INH
SYNC
GND GND_HS
DC-DC CONVERTER
SUPPLY
TO/FROM 1M20 OF HERCULES
NC
NC
(LCD)
(LCD)
(PDP)
NC
NC
NC
(PDP)
(PDP)
NC
PIN 1, 2, 6, 7, 8 & 9 TO X200 OF PSU
A2
A3
A3
A5
RES
RES
A7
for ITV only
I264
I259 E5
I260 D7
I261 A6
I262 B6
I263 B6
I264 A2
5254 B2
5257 B3
5258 C3
5259 C3
5262 D3
5267 D6
5268 D7
6259 C3
6262 D3
6267 D6
6270 A6
7260 C5
7262 D4
7271 B7
7272 B7
F251 A1
F252 A1
F253 A1
F254 A1
F255 B1
F257 B1
F258 A4
F259 B7
F260 C7
I251 C3
I252 C4
I253 C4
I254 D3
I255 D4
I256 D5
I257 D5
I258 D5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
A
B
C
D
E
A
B
C
D
E
1251 A1
1252 B1
2251 B2
2252 B3
2253 B3
2254 B3
2255 B2
2261 C4
2262 C4
2263 D3
2264 D4
2265 E5
2266 E6
2268 D7
2269 D7
2271 B6
3251 A2
3259 C2
3260 C3
3266 E6
3267 D6
3268 E6
3270 B6
5254
3271 B6
3273 B7
3274 B7
4251 A2
4255 B2
5251 A3
5252 B3
5253 B3
5253
1252
1
2
3
3251
1R0
I262
I263
I260
I261
I259
I257
I258
I256
I254
I255
I253
I251
I252
F260
F257
F259
F254
F255
F252
F253
4251
F251
+5V2_RELAIS_IO2
4
5
6
7
8
9
+5V2
1251
1
10
11
2
3
SupplyGnd
SupplyGnd
+12VSW
F258
7
9
3
1
2
8
6
SupplyGnd
7262
L5973D
4
5
2
3
1
4
5
Φ
LF33CPT
7260
47u
2262
10u
5268
16V
2263
10u
2264
5259
10u
470u
2269
16V
16V
2268
470u
1%
3K3
3268
1%
5K6
3267
5267
33u
SS36
6267
SupplyGnd
SupplyGnd
SupplyGnd
SupplyGnd
3266
4K7
SupplyGnd
22n
2266
+3V3STBY
2265
220p
10K
3259
2261
6K8
3260
6259
SS14
+12VUNREG
6262
SS24
SupplyGnd
SupplyGnd
5262
10u
+3V3STBY
22K
3274
3273
220K
7272
BC847BW
BC847BW
7271
10n
2271
3271
3270
820R
+12VUNREG
2K2
BZX384-C8V2
6270
5258
5257
10p
2255
4255
16V
2254
10u
10p
2252
5252
+12VUNREG
+8V6
2253
16V
10u
2251
10p
5251
+9V_STBY_PDP
+12V
+5V
POWER_DOWN
A15
A15
F_15390_015.eps
240205
3139 123 6072.1