Philips A02U AA Service Manual page 52

Circuit Diagrams and PWB Layouts
Small Signal Board: Sync & Deflection Processing
2341 B2 2350 A7 2360 C6 2365 D7
2342 C2 2351 A8 2361 C8 2366 C10
2343 C2 2352 A9 2362 B9 2371 D9
2344 C1 2358 D7 2363 B7 2372 D9
2345 C1 2359 C6 2364 C8 2377 E10
1 2
SYNC & DEFLECTION PROCESSING
A
VDDE
B
VREF_DEFL
B4-69
VDDE VDDE VDDE VDDCO
5345 5344 5342
6341 5343
BAS316 100Mhz / 100Mhz / 100Mhz / 100Mhz /
C 220R 220R 220R 220R
2342
2345 2344 2343
100n
100n 100n 100n
D
VDDE
1K0
E
3139 123 5560.2
1 2
A02U AA
2379 E10 3351 A7 3357 C7 3363 B9 3368 C10
3340 A2 3352 A9 3358 A6 3364 B9 3371 D9
3341 B2 3353 A9 3360 B8 3365 C8 3372 C8
3346 D2 3354 A10 3361 B8 3366 C10 3373 C7
3350 A8 3355 C6 3362 B9 3367 B10 3374 E9
3 4
3340
1K0
RES
3341
1K0
7300-F
ADOC
2341
100n
FIRST SECOND SLOW START
CTRL CTRL AND
HOR.
LOOP LOOP SLOW START
DRIVE LOW POWER
PH1-2 PH1-2 SUPPLY
3V2
AA4 SEL2FH
HORIZONTAL TIME BASE GEN.
F341 DTO AND CONTROL LOOP
T1 SDAC-VDDA
VERT.
VERTICAL VERTICAL EW
M1 DOP-DTC-VDDA
DRIVER SAWTOOTH WAVEFORM
DRIVE
L2 DOP-DTC-VDD3
N4 IMEAS-VDDA
R3 SDAC-3V3
P1 IMEAS-VSSA
VERTICAL
SDAC
WAVEFORM
R4 SDAC-VSSA
3346
M2 DOP-DTC-VSSA
GEOMETRY
AC1 BPA
3V2
F346
3 4
7. 52
3375 E9 4363 B8 5345 C1 6367 C10
3376 D8 4369 B9 6341 C1 6368 C9
3377 C8 5342 C2 6353 A9 6369 C9
3378 B8 5343 C2 6361 B9 7300-F B3
4361 C9 5344 C1 6365 C9 7361 B8
5 6
+5V
3351
3358
1K
10R
2350
100u 16V
HIRES
HDROUT L1 1V7
TIMING
GENERATOR
HFB L3 0V3
1/64 CLOCK
2359
100n
I341
IMEAS-VREF-C M3
1V2
I342
3355
IMEAS-VREF-R M4
1V2
3357
I343
22K
22K
IMEAS-CAL P2 1V2
ADC 2360
100p
IMEAS-ZERO P3 1V2
2358
100p
EHT N3 1V2
BCL N2
1V2
FBCIN AA3
0V
EWP T2
2V
VDRP R1 1V5
VDRN R2 1V4
DAFP Y4
NC
NSP
AA1
F351
AUXP T3
5 6
7365 C8 F354 A9 I342 C6 I347 C8
F341 C3 F355 B8 I343 C6 I348 C10
F346 E3 F357 C7 I344 C7 I349 E10
F348 D10 F358 C9 I345 B9 I350 E10
F351 E6 I341 C6 I346 B8
7 8 9
3350
220R
+3V3
2351
10p
6353
BAV99
F354
3353
+8V +8V 10K
3352
2352
10p 47K
3362
7361
100K
BC847B
I345
3364
2V9
3361
I346
15K
2362 3363
RES
10n 27K
6361
2V4
BAS316
2363 3360
RES
+8V
100p 15K 4363
F355
+8V
3378
1M
5
3365
BZX384-C22
0R
6365
3372
BAV99
F358
330K
7V9
RES
7365
I347
4V 4361
BC847B
6368
3V5
F357 BZX384-C6V8
I344
3373 2361 2364 3377
10K 2u2 2u2 2M2
2365 3376
100p 10K
3371
1K
2371
1n 1n
3374
2K7
3375
2K7
7 8 9
10
LINEDRIVE1
B18-82
A
3354
HFB_X-RAY-PROT
10K
B18-83
EHT-INFO
68K
B18-84
B
4369
3367
6369 6367
1K
BZX384-C22
3368
8K2
C
2366
2u2
I348
3366
2K2
D
POR_FLASH
B18-87
EW_MPIF
B4-70
2372 F348
I349
FRAMEDRIVE+
B18-88
2377
2n2
E
I350
FRAMEDRIVE-
B18-89
2379
2n2
E_13950_038.eps
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