Deck Control (De) - Philips VR120 Service Manual

Circuit diagrams and PWB layouts, Wiring diagram
7.4

Deck control (DE)

1 2
1948
I484
52
6
F4805
A
5
51
4 7V F4803
3 7V F4802
2 F4801
7V
1 7V
B
GNDM1 GNDM1 GNDM1
7463
5VS1
M63100BFP
I462
2472
C
53
22n
GNDDE GNDDE
2.9V
PG_FG
2475
5VS
F470
100p
I483
2477
33n
D
GNDS GNDS
I482
3459
IPOR
220R
delete for <1Watt
GNDDE
5V_1WSTBY 5V_1WSTBY
E
54
5VD
4 2
F
1 3
1.1V 3
2
GNDDE GNDDE
4
1
G
GNDDE GNDDE GNDDE
5V_1WSTBY 5V_1WSTBY
H
I489
3548
390K
7530-B
7
LM339D
1
2.4V
10K
6
for <1W or fome
I
3550
for <1W or fome
1 2
VR120
3 4 5
GNDDE GNDDE GNDDE GNDDE
F461
GNDDE
3490
5VS1
220K
GNDDE
2.2V 2.4V 14.4V 7V 7V 7V 0.4V
14 13 7 20 19 18 16 9 17
OSC
5.2V
12 VCC1
BACK
-EMF CTL
8 PGIN
PULS
DET
GEN
TSD
6 FGPGOUT FG/PG
OUT
FG CIRCUIT
5.2V 42 VCC2
POWER ON/
POWER OFF
2.4V
29 POFCAP
DETECTOR
4.7V 28 IPOR
36 34 39 33 38 31 37 30 35
5.2 5.1 2.6 2.6
GNDDE
3476 3477 3478 3479
100K 270K 270K 2M2
3475
18K
delete for <1W
5VD
55
3484
I477
10K
9423
for <1W
3 4 5
7. 67
6 7 8
14VM1 5V_STBY 5V_1WSTBY
F466
5460 F467
0u33
C461
3465
5VS1 5VS 5V_1WSTBY
0R47
GNDM1 GNDM1 GNDM1
50
GNDM1
GNDDE GNDM1
1V 4.7V
14.4V
15 11 10 27 21 23
GNDDE
V/V A 22 13.8V
CONV
BIN 25 3V I467
13.8V
B 24
AMPLIFIER
FILTER
DETECTOR 2490
STBY 26
100u
WRITE
AMPL
2478
I468
CTLFB 2
2.6V
I470
3470
CTLI|O 3
220R
60
4 32 5 40 41 1
2.6 4.8
GNDDE GNDS
58
GNDS GNDS GNDS
2485 I471 3485
4K7
100n
2486
4n7
GNDDE
5VD 5VD
57
59
3486
1.1V
3 2
10K I480 1.1V
4 1 7465
TCRT5000L
GNDDE GNDDE GNDDE
0007
for <100sec only
1
REELTABLE TACHO HOLDER
C460 C462 0008
.. OSCILLOGRAMS
GNDDE GND GNDS
..V MEASURED IN PLAYBACK MODE
HOLDER FOR TCST1030+
..V MEASURED IN RECORD MODE
TCRT5000L
6 7 8
9 10 0007 H8 F4701 C10
0008 I8 F4703 C10
0011 H9 F471 E6
1946 F10 F4801 B1
1947 C10 F4802 A1
1948 A1 F4803 A1
5VD
9_14VM2
1969 H8 F4805 A1
2459 D1 I028 H8
A 2460 A4 I029 H8
2461 A7 I030 H8
2462 A6 I461 B1
2463 A7 I462 C2
2464 B5 I463 B4
2465 B2 I464 B4
2466 B2 I465 B4
5VD 9_14VM2
2467 B3 I466 B5
2468 B4 I467 C9
DRUM
2469 B8 I468 D8
2470 C1 I470 D8
2471 C2 I471 F8
TMO
B
2472 C2 I472 E6
2473 C8 I473 E5
2474 C9 I474 E4
THIO
2475 C2 I475 E4
2476 D1 I477 F3
2477 D2 I478 E1
44
2478 D9 I479 F2
2479 D8 I480 G7
GNDDE
2480 E9 I481 G8
1947 1969 2481 E6 I482 D3
F4701
1 1
2482 E7 I483 D3
2483 H7 I484 A2
C
2 2
2484 G3 I485 F2
F4703
2485 F8 I486 H1
3 3
2486 F8 I487 D9
2487 G9 I488 E4
2488 D2 I489 H2
2489 E6
2490 C9
STBY
2491 C9
2492 A3
2493 A3
4664
3459 D2
D 3460 A4
3461 A2
3462 A2
CTL1
3463 A3
3464 A7
3465 A6
CTL2
3466 B1
5VS1
3467 C8
3468 C8
3469 E9
3470 D8
3471 D9
E
3472 E1
SYNC
3473 E1
3474 E8
W_R 3475 E3
3476 E4
3477 E4
1946
3478 E5
F4601
1
3479 E6
F4602
2 3480 G8
3481 G7
F4603
3
3482 F3
F4604 3483 E7
FG F
2.5V 4
3484 F3
F4605
3485 F9
5.2V 5
3486 G7
F4606
6
2.6V
3488 B9
3489 F2
F4607
14.4V 7
3490 B3
8 3547 H3
3548 H3
3549 H2
3550 I1
GNDDE
GNDM1
3551 H2
Interconnections:
G 4460 H4
4664 D9
AF page 73
5460 A7
7463 B3
AL page 72
7464 G2
7465 H8
AIO1 page 66
7466 F1
7530-B I3
AIO2 page 65
9401 A8
9423 H3
DE page 67
C460 I7
FM ST page 70 C461 A8
H
C462 I7
FM NIC-page 71 F4601 F10
F4602 F9
FV page 69
F4603 F10
F4604 F10
FOME page 78 F4605 F9
F4606 F9
I/O page 77
F4607 F9
F461 A5
PS page 64
F462 B6
F463 B6
VPO page 76
F464 B6
I
F465 B6
VS page 75
F466 A7
F467 A8
VS_S page 74
F468 B7
F469 B7
F470 D2
DE 8920-5
9 10