Synchronisation - Philips L01.1U Service Manual

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Circuit Diagrams and PWB Layouts
Mono Carrier: Synchronisation
1

SYNCHRONISATION

A
B
C
D
E
REGION
NAFTA
TUBE SMGK TOS
F
ITEM 29RF 34RF
2243 50V 2N2 50V 2N2
3247 680K (SMD) 680K (SMD)
3250 8K2
3258 100K (SMD) 100K (SMD)
1
L01.1U AC
2 3
EHTinfo
3259
A2-16
470K
SANDCASTLE
A7-17
A16-17
Hflybk
A2-18
LATAM
LG.PH LG.PH LG.PH
32V 32WSRF 28WSRF
50V 2N2 50V 10N 50V 10N
680K (SMD) 470K (SMD) 470K (SMD)
8K2 8K2 1K 1K
100K (SMD) 100K (SMD) 100K (SMD)
2 3
7. 55
4 5 6
4254
3254
2254
3257
10M 1M0
*
*
S1
7200-D
TDA95XX 14 31 11
VIDEO IDENT
H-DRIVE
2nd LOOP
H-SHIFT
H
H/V SYNC SEP.
TELETEXT/ODS
DISPLAY
H-OSC. + PLL
V
V-DRIVE
+
GEOMETRY
EW
GEOMATRY
12 21 20 34
3241
22K
S01 S02
10V / div DC 10V / div DC
20µs / div 20µs / div
4 5 6
Published in Heiloo Holland
7 8
9241
5241
+8V
10u
3256
+3.3V
S2
1K0
3251 5242 Hdrive
10u
100R
9 S3
3244
Vdrive+
30 1V2
820R
2252
1n0
Vdrive-
3249
S4
820R
2253
17
1V3
16
1V2
1n0
S5
EWdrive|EWD_dyn
*
3250
15
0V
100R
13
2246
* *
4u7
3248
+8VA
33K
* 3247 EHTinfo
220K
EHTo
S05
S03 S04
500mV / div DC
500mV / div DC 500mV / div DC
5ms / div 5ms / div 5ms / div
CL 26532119_013.eps
7 8
22/11/2016
2241 D5
2242 D4
2243 B5
2244 D5
2245 D6
2246 D7
2247 A7
2248 A7
2249 B4
2250 B4
A
2252 C7
2253 C7
2254 A4
2255 B3
3241 D4
3242 B3
3244 B7
3245 D5
3246 D5
3247 D7
3248 D7
3249 C7
B
3250 C7
3251 B7
3254 A6
A2-21
3256 B8
3257 A5
3258 B4
3259 A3
A3-19
4254 A4
5241 A8
5242 B7
7200-D B5
9241 A8
C
A3-20
A2-22
D
A2-16
A2-23
E
F
111202