Philips L9.2EAA - A3 FRAME DEFLECTION; A4 SYNCHRONISATION

Schematics and PWB’s
GB 25L9.2E 7.
FLYBACK
GENERATOR
POWER
AMPLIFIER
THERMAL
PROTECTION
1V
VERTICAL
A4-64
0222 C5
0222A C5
0222B C5
2460 C2
2461 C2
2462 C2
2463 B3
2464 B4
2465 D3
2466 C4
2467 C5
2470 E2
3460 C2
3461 C2
3462 D2
3463 D4
3464 D4
3465 D5
3466 D5
3467 D5
3468 C5
3469 B2
4R7 3R35R6
A4-65
123456
123456
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
BRAZIL ONLY
FRAME DEFLECTION
0V5
0V
DEFLECTION
COIL
3465
A7-31
A2-63
3470 B3
3471 E2
3472 D2
3473 D3
6460 B3
6461 B2
7460 B3
7469 D3
Europe
3R34R76R83465
AP 21"20"14"
3R34R7
14" 20" 21"USA
3465 5R6 3R9 4R7
3466 5R6
14" 20" 21"
5R6 4R7 3R3
3466 5R6 4R7 4R7
14" 20" 21"Brazil
3465 5R6 4R7 3R3
3466 5R6 3R9 4R7 3466
FISH HOOKS
1V
FOR
-13V
13V
1V
2464
100u
3470
18K
820p 2461
2467 100n
F4
F5
0222
1
2
3466
4R7
3462
1K
1K
3461
3463
1R5
0222A
0222B
100R
3473
3464
2K2
2462 470p
220n 2466
2463 100n
3468
220R
F2
F3
2K2
3460
F1
6460
BYD33D
2460 470p
3465
4R7
7469
BC847B
220R
3467
2K2
3472
6461
BZX79-C33
3471
390R
3469
10K
2470
4n7
TDA9302H
7460
3
FLYB
4
GND
7 IN+
1 IN-
5 OUT
2
VSUP
6
VSUPO
-13V
VdrivePos
VlotAux13V
CRT_Discharge
VdriveNeg
V_Guard
100n 2465
CL 96532028_037.eps
070499
0.5V / div DC
5ms / div
0.5V / div DC
5ms / div
10V / div DC
5ms / div
2V / div DC
5ms / div
0.5V / div DC
5ms / div
F1 F2 F3 F5F4
5V
A3-64
AVL
3274 E4
3275 E5
3276 E4
5205 B4
5405 B5
7250-D C3
0V7
1V4 2V4
3V8
SYNCHRONISATION
A2-62
0V2
A7-7
23456
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
2V3
A2-32
A2-81
3V
2234 C3
2235 D5
2236 C5
2237 D2
2238 E2
2239 E2
2240 D4
2241 D4
2242 D5
2243 E4
2244 C4
2255 C5
3265 B4
3266 C2
3268 D2
3269 D3
3270 E3
3271 E2
3272 E5
3273 E5
8V
123456
1
4V2
4V
A3-65
1V4
S4
1nF
1nF
-
-
StereoMono
2242
2235
H
2231 C3
2232 C4
2233 C2
3268
33K
220n
2236
2n2
2232
S1
2231
2n2
3274
1K
2237
100p
220K
3275
3270
4M7
3272
27K
S3
4M7
3271
3273
10K
2241
1n
1M
3265
2243 220n
100u 2244
1u
2233
10u
2242
2238
15p
2240
100p
2255
39K
3269
1n
2234
4n7
2239 100n
3266
15K
3276
1K
22u
5205
2235
1n
27u
5405
GND2
44
HOUT
40
I_REF
52
PH1LF
43
PH2LF
42
VDRA
46
VDRB
47
VSC
51
V_P2
37
S2
XRAY_Protn
TDA8844
7250-D
DECDIG
39
EHTO
50
EWD
45
FBISO
41
Hflybk
VlotAux8V
VlotAux8V
VdrivePos
Hdrive
ABLinfo
+8VA
Vlot8V
VlotAux8V
VdriveNeg
TDA 8844, 8845
CL 96532028_038.eps
070499
CL 96532028_040.eps
070499
1V / div DC
20µs / div
1V / div DC
20µs / div
1V / div DC
5ms / div
1V / div DC
5ms / div
S1
S2 S3 S4