Servo Board: Drivers; Part - Philips VAD8041 Service Manual

Electrical Diagrams and Print-Layouts
Servo Board: Drivers (Overview)
1 2 3 4
A
I417
1400
I400
4 I401
3 I402
2 I408
1
SFW..R
B Top Contact
U, V, W
A: DC, 500mV/Div, 50ns/Div
C
I430
A: DC, 200mV/Div, 5ms/Div
D
U,V,W coil
A: DC, 2 V/Div, 2us/Div
E
I432
A: DC, 5 V/Div, 1ms/Div
F
A: DC, 5 V/Div, 2us/Div
G
I420 3425
HALL+
I423 150R
W-
1401
I425
W+
H
11
I427
10 V+
9
I428
HALL- BIAS_VH
8
7
I429
6 U+
5 3421
I431
V-
4 47K
3420
3
I433
2 U- 12K
1 3422
I435
UCOIL
20K
Top Contact
I436
VCOIL
I
I437
WCOIL
5400
I438
+12V
10u
J
I409
VMOTO1O
I484
+5V
MOTO1 4402
S1V65
2414 I430
10n
I432
I434
2415
2412
22n
K
I422 100n
I416
MOTOR-ON
DRIVER-ON
3411
+5V
47K
6429
TEMP_WARNING
BAS16
L
OPTIONB
M
N
1 2 3 4
VAD 8041
5 6 7 8 9
{AUXPW,SERVO-COMM,SERVO-MEAS,TR+,TR-,FO+,FO-,SL,RA,DRIVER-ON,FOC-,FOC+,RAD,TRAY-SW,TRAY-INOUT,VFOO-,VFOO+,VRAOO,SL-,SL+,STEP-SIN,STEP-COS,OUTSLD1+,OUTSLD1-,OUTSLD2+,OUTSLD2-,TOSTOCEN,TRAYSW,MOTOR-ON,T1,VMOTO1O,MOTO1,RAD_MUTE,ACT_EMF,TEMP_WARNING}
D3V3
I406
I407 3406
1K

Part 1

D3V3
I424
I472
7402
sa56202 TW
S1V65
I417 2411
1 56 I486
HU+ COSC 3480
100p
2 55
HU- IC2 10K
S1V65 +12Va
3 54
HV+ IC1
3481 2441
I473
4 53 1.2V
HV- INLD I474 3483
1R
I448 8 100n
4420
5 52 3 I487
HW+ INFCS 10K
1
I449
6 51 4421 2 1.64V
HW- INTRK 7403-1
I450 3484
4423 LM358D
7 50 4
HBIAS INTLT
I418 1.2V
10K
8 49
RREF VDDLD 3486
I488
I419 3495 2400
9 48
REMF OUTLD+ 10K
10n
10R
I421
10 47
RLIM OUTLD-
4416 4417
11 46 +5V
GNDSPN1 OUTFCS+
I440 3496
2405
12 45 OPTIONB
U OUTFCS-
SERVO-COMM
10n
10R
13 44
VDDSPN1 GNDACT
14 43
V VDDACT +12V
I426
3497 2436
15 42
GNDSPN2 OUTTRK+
10n
I410 10R
16 41
W OUTTRK-
I439 3498 2409
17 40
VDDSPN2 OUTTLT+
10n
I482 10R
18 39
FG OUTTLT-
I471
19 38
GNDDIG CURSLD1
20 37
INSPN OUTSLD1+
21 36
REF OUTSLD1-
I469
22 35
VDDANA CURSLD2
23 34
CP1 OUTSLD2+
24 33
CP2 OUTSLD2-
I463
18.3V
25 32
CAPY VDDSLD
26 31
CTL1 GNDANA
I498
1.65V
27 30
CTL2 INSLD2
I411 I497
28 29
TEMP INSLD1
1.65V
4408
+12V
5406
10u
OPTIONB
OPTIONB
5 6 7 8 9
7. EN 18
10 11 12 13 14
+5V
2421
2401
OUTSLD1+
4n7
100n
OUTSLD1- I403
3405 3404
1.65V 8
TOSTOCEN
OUTSLD2+ 3 1.65V I404
10K 10K I405
1
S1V65
OUTSLD2- 2
2406
7401-1
LM358D
82n 1.65V 4
I441 3440 I442
12K 1%
TRAY-SW
3444
7405-1 4 2.7V
LM358D 2
1%
3446 39K
1 3 I451
12K 1% 1.65V I444 3447
8 2.7V 39K 1%
TRAYSW
3452
S1V65
+12Va 1%
12K
3454
12K 1%
7405-2 I447 3457
8
LM358D
5
3461 39K 1%
2.7V
7
1.65V 6
12K 3462
1%
4
2.7V 39K 1%
3464
I458 12K 1% I461
3445
+12Va
12K
7403-2 8
3450
LM358D 5
3463
7 2.6V
5405 I452 39K
+12Va 1.65V 6
+12V 12K 3453
2.6V
4 39K
3410 I460
I468 12K 1%
I413
2439
120p
I477
2434
120p
I480
2435
120p
T1
7409
BA5995FM
TRAY-INOUT
VCC
I455
DRIVER-ON 20 STBY1 STBY
TR+
3.3V CH1/3/4
1.65V
-
23 OPIN3-
-
+
I457 I459
4427 -
FO- 1.65V 24 OPIN3+ +
LEVEL
+ SHIFT
+
3474
-
S1V65
12K
VFOO- OPTIONB
1.65V -
AUXPW 26 OPIN4-
-
+
I465 I467
FO+ 4419 1.65V + -
27 OPIN4+ LEVEL
+
SHIFT
+
3477
-
S1V65
OPTIONB
12K
TR- VFOO+ OPTIONB
1.65V -
3 OPIN1-
-
+
I491 I470
1.65V -
RA 4422 2 OPIN1+ + LEVEL
+ SHIFT
3478
+
S1V65
-
12K
3479 I485
MUTE
VRAOO OPTIONB +5V 6 MUTE
CH1
10K -
5 IN2 +
-
LEVEL
+
1 BIASIN SHIFT
S1V65
+
I475 -
STBY
7 STBY2
0V CH2
SL+
GND MT
OUTSLD1+
OUTSLD1-
SL-
RAD_MUTE
OUTSLD2+
OUTSLD2-
STEP-COS
STEP-SIN
Part 2
10 11 12 13 14
15 16 17 18 19
TO CENTAURUS/DEBUG-AND-FLASH
OPU /CENTAURUS/POWER-CONN-AUDIO/DEBUG CONN
I443
I446
4406 4407
S1V65
1%
I476
4404
1%
1%
I414
I478
I481
1.7V
OPOUT3 22
VO3- 18
6.3V
VO3+ 17
1.7V
OPOUT4 25
I464
VO4- 16
5.8V
VO4+ 15
3489
27R
OPOUT1 4 1.6V
3491
I456 27R
6V
VO1- 13
3471
27R
6V
VO1+ 14
3490
27R
VO2- 11 OPTIONB
VO2+ 12
+5V
I496
1V
8
5
I493 I492
3428
7
1V
6 1V
3426 5K6
4
5K6 7401-2
I495
OPTIONB
LM358D
3427
180K
2427
I494
2n7
6428
BAS16
OPTIONB
NOTE:
OPTIONA: DENOTES COMPONENT(S) WILL BE MOUNTED BEFORE MASS PRODUCTION
OPTIONB: DENOTES COMPONENT(S) WILL BE MOUNTED WHEN NEEDED
15 16 17 18 19
20 21 1400 A3 I434 K5
1401 H1 I435 I3
2400 I7 I436 I3
2401 A12 I437 I3
2405 I7 I438 I4
2406 B12 I439 J7
2407 C8 I440 I7
2409 J7 I441 B13
2411 G7 I442 B14
2412 K4 I443 B16
2413 J8 I444 C14
2414 J5 I446 D16
A
2415 K5 I447 D14
2416 J4 I448 H7
2417 J5 I449 H7
2418 J3 I450 H7
2419 J3 I451 C14
2420 J3 I452 E11
2421 A12 I455 G12
2426 J16 I456 I17
2427 K18 I457 G11
2430 E11 I458 E13
2431 E11 I459 G12
B 2432 L7 I460 F14
FOC+ 2433 L8 I461 E14
2434 F14 I463 K7
2435 F14 I464 H15
SERVO-COMM 2436 I7 I465 H11
2438 H8 I467 H12
2439 F14 I468 F13
2440 H8 I469 J7
2441 H9 I470 I12
2442 J5 I471 J7
2443 J4 I472 G8
2444 K3 I473 H7
C
2445 J8 I474 H8
2446 L8 I475 J12
SERVO-MEAS 2447 I18 I476 E16
2448 I18 I477 F14
3403 B7 I478 F14
3404 B12 I480 F14
3405 B11 I481 F14
3406 C8 I482 J7
3410 F13 I484 J3
3411 K5 I485 I12
FOC-
3418 K4 I486 G9
3420 I5 I487 H10
D
3421 H5 I488 H8
3422 I5 I491 I11
3423 F5 I492 J19
3425 H3 I493 J18
3426 K17 I494 K18
3427 K18 I495 K16
3428 J19 I496 J17
3429 I19 I497 K7
3430 J19 I498 K7
3440 C13
3444 C14
RAD E 3445 E14
3446 C12
3447 C14
3450 E14
3452 C14
3453 E14
3454 D14
3455 C13
3456 D13
3457 D14
3458 E13
3459 J8
F
3460 J9
3461 D13
3462 D14
3463 E13
3464 D13
3465 L4
3471 I17
3472 J9
3473 G12
3474 H11
3475 J9
3476 J9
G
3477 H11
3478 I11
3479 I12
3480 G8
3481 H7
3482 H8
3483 H8
3484 H8
3485 J12
3486 H9
3487 J10
H 3488 H10
3489 H17
3490 I17
3491 I17
3492 B13
3493 L7
3494 L7
3495 I7
3496 I7
SERVO-COMM 3497 I7
3498 J7
4400 B16
I
4402 J3
4403 C16
4404 E17
4406 D16
4407 D17
4408 L8
4410 D16
4411 D17
4413 C17
4416 I8
4417 I8
4419 H11
J
4420 H7
4421 H7
4422 I11
4423 H7
4427 G11
ACT_EMF
5400 I4
5405 E11
5406 L8
6400 L8
6401 L8
6402 L8
K 6403 L8
6426 J17
6427 J17
6428 L18
6429 L5
7401-1 B12
7401-2 K18
7402 G6
7403-1 H9
7403-2 E13
7405-1 C13
7405-2 D13
L
7409 G13
I400 A4
I401 A4
I402 B4
I403 A11
I404 B13
I405 B12
I406 C8
I407 C7
I408 B4
I409 J4
I410 I7
M
I411 K5
I413 F14
I414 F14
I416 K4
I417 G7
I418 H5
I419 I5
I420 H3
I421 I5
I422 K4
I423 H3
N I424 G5
I425 H3
I426 I7
I427 H3
I428 H3
I429 H3
I430 K5
TR 22009_001
I431 H3
300604100903 I432 K5
I433 I3
20 21