Mono Carrier: Synchronisation (A6) - Philips L01.2A AB Service Manual

Circuit Diagrams and PWB Layouts
Mono Carrier: Synchronisation
1 2
A6 SYNCHRONISATION
A
EHTinfo 3259
A2-16
470K
A6-16
B
SANDCASTLE
A7-17
Hflybk
C
A2-18
S1 S2
2V / div DC 500mV / div DC
20us / div 20us / div
D
S3 S4
500mV / div DC 500mV / div DC
5ms / div 5ms / div
POWER_DOWN
E
A7-11
1 2
L01.2A AB 7. EN 23
3 4
2254
3257 3254
10M 1M
100p
S1
7200-D
TDA95XX 14 31 11
VIDEO IDENT
H-DRIVE
2nd LOOP
H-SHIFT
H
H/V SYNC SEP.
TELETEXT/ODS
H-OSC. + PLL
V
V-DRIVE
+
GEOMETRY
GEOMATRY
12 21 20 34
3241
22K
6241
BZX384-C6V8
3 4
5 6
5241
10u
S2
5242
3251
10u
100R
9
S3
3244
30 1V2
820R
2252
S4
1n
3249
DISPLAY
820R
17
1V3
2253
16
1V2
S5
1n
3250
15
EW 0V
100R
13
2246
4u7
3248
27K
+8V
7241
3247
PDTA114ET
560K
5 6
7
2241 D3
2242 D3
2243 B4
2244 E4
2245 D4
2246 D6
A
2247 B5
2248 B6
2249 C3
+8V
2250 C2
2252 C6
2253 C6
2254 A3
2255 C2
3241 D3
3242 C2
3244 C6
3245 E4
B
3246 D4
3247 E6
3248 D6
3249 C6
3250 D6
3251 B6
Hdrive
3254 A4
A2-21
1K
3256 C6
+3.3V
3257 A3
3256
3258 B2
Vdrive+
3259 A2
A3-19
5241 A6
C
5242 B6
6241 E4
7200-D C3
Vdrive-
7241 E5
A3-20
EWdrive|EWD_dyn
N.C
(FOR E/W ONLY)
D
+8VA
EHTinfo
E
A6-16
EHTo
A2-23
CL 265320082_006.eps
110702
7