Recorder Board - Layout Diagram; Cassette Adjustment - Philips AZ2785 Service Manual

RECORDER BOARD - LAYOUT DIAGRAM

1
17 1 0
5 7 01
A
9 72 6
1 70 7
3 7 87
2 7 2 1 6 70 4
3 78 5
37 0 7
3 7 09
2 7 0 5
87 2 5
2 7 63
B
2 71 1
27 1 0
97 1 9
1 7 16
97 0 7
27 1 8
2 7 4 6
7 7 1 1
2 70 9 3 7 4 8
C
8721
2 7 4 4
9 7 03
87 2 3
9 70 8
9 7 4 9
7 71 3
3 73 8
7 7 0 9 37 4 1
37 6 4
37 3 7
D 27 3 9
3 7 1 0
37 3 2
27 5 1
3 78 6
2 70 7
2 7 1 6
3 7 33 3 7 6 5
2 7 5 3
27 4 0
8240 051 18615
1

CASSETTE ADJUSTMENT

Adjustment Cassette SK ....
10kHz
Azimuth Tape
SBC420*
10kHz
Azimuth Tape
SBC420*
Motor
3150kHz
Tape
Speed
SBC420*
10-2
2 3
1 71 3
3075. 5
2 7 6 0
2 75 9
3 7 2 6 37 1 9
37 1 4
27 2 8
37 1 3
97 2 7
3 7 0 1
3 7 1 8
9 7 48
3 7 1 7
3 7 1 1
3 7 27 9 7 4 1
2 72 9
3 7 5 6
9 7 4 2
3 7 1 2
2 7 35
37 2 8
27 2 6 37 5 7
2 7 25
9 7 11
3 7 2 1
37 2 2
27 6 1
9 71 0 2 71 9
27 3 1
2 7 3 4
7 7 1 2
3 7 5 3
37 8 1
3 7 73
8720
3 78 4 2 7 5 0
3 7 5 0 2 7 4 8
6 71 1
27 3 8
2 7 37
2 7 0 4
6 7 0 3
97 3 8
9 7 37
97 3 9
8 72 2
6 7 1 0 6 7 09
8 7 2 5
3 76 9 7 71 9
7 7 17
9 73 4
3 7 7 0
97 3 5
3 7 54
37 7 7 3 77 6
9 7 43
67 0 6 67 0 8
8 7 23
77 0 1
9 7 0 4
2 7 5 4
6 7 07
9 7 05
2 7 0 3
37 0 4
97 2 2
9 74 6
97 2 3
3 70 5
1 7 20 7 1
1 7 06 97 2 1
1 7 19
1 7 0 8
17 2 1
9 7 0 1
8 7 2 2 5 5 . 7 0 3
5 5 7 0 3 3 1 1 0 4 1 3
5 9 5 8 1 1 5 0 0 4 2 8
2 3
Deck 1 Deck 2 Measure Read
on on
Left screw
H/P Jack
Play -- mV meter of P. Head
3758
on Deck 1
Left screw
H/P Jack
-- Play mV meter of P. Head
3758
on Deck 2
Wow and
H/P Jack
Play -- flutter
3758
meter
71 D 3 2744 C 1 3737 D 1 6704 A 1
72 D 2 2745 C 1 3738 D 1 6705 D 2
1701 D 1 2746 C 1 3739 C 1 6706 C 1
1702 D 3 2747 B 1 3740 D 1 6707 D 1
1706 D 3 2748 B 3 3741 D 1 6708 C 2
1707 A 2 2749 B 2 3742 B 1 6709 C 3
1708 D 2 2750 B 2 3743 B 1 6710 C 1
1709 A 3 2751 D 1 3744 C 1 6711 B 3
1710 A 1 2752 A 2 3745 B 1 7701 D 3
1711 A 1 2753 D 1 3746 C 1 7702 D 2
A 1713 A 2 2754 D 2 3747 B 1 7704 A 1
1716 C 1 2755 C 3 3748 C 1 7709 D 1
1719 D 1 2756 C 3 3749 C 2 7710 B 1
1720 D 3 2757 B 1 3750 B 2 7711 C 1
1721 D 3 2758 D 1 3751 B 2 7712 B 2
2701 A 1 2759 A 2 3752 B 2 7713 D 1
2702 A 1 2760 A 3 3753 B 3 7714 D 1
2703 D 3 2761 B 3 3754 C 3 7715 B 3
2704 C 3 2762 C 2 3755 C 3 7716 B 3
2705 A 1 2763 B 1 3756 A 3 7717 C 2
2706 B 3 3701 A 1 3757 A 3 7718 C 3
2707 D 1 3702 D 3 3758 C 3 7719 C 3
B
2708 D 1 3703 D 3 3759 D 2 7720 B 3
2709 C 1 3704 D 3 3760 D 2 7721 B 1
2710 B 1 3705 D 3 3761 D 3 9701 D 3
2711 B 1 3706 C 3 3762 C 3 9702 C 2
2712 B 2 3707 B 1 3764 D 1 9703 C 1
2713 B 3 3708 A 1 3765 D 1 9704 D 3
2714 B 3 3709 B 1 3766 B 3 9705 D 3
2715 C 1 3710 D 1 3767 B 3 9706 A 2
2716 D 1 3711 A 3 3768 D 1 9707 C 1
2718 B 1 3712 A 3 3769 C 2 9708 D 1
2719 B 3 3713 A 2 3770 C 2 9709 A 2
C
2721 A 1 3714 A 2 3771 D 1 9710 B 3
2722 A 1 3715 A 2 3772 D 1 9711 B 2
2723 A 1 3716 A 2 3773 B 3 9714 B 2
2724 A 1 3717 A 3 3774 C 3 9716 B 2
2725 B 3 3718 A 3 3775 C 3 9717 A 1
2726 A 3 3719 A 3 3776 C 3 9718 A 1
2727 A 3 3720 A 3 3777 C 3 9719 B 1
2728 A 3 3721 B 3 3778 C 2 9721 D 3
2729 A 2 3722 B 3 3779 C 2 9722 D 3
2730 B 3 3723 B 2 3780 C 1 9723 D 3
2731 B 3 3724 B 2 3781 B 3 9724 C 1
2732 B 3 3725 A 2 3782 C 2 9725 D 2
D
2733 B 2 3726 A 2 3783 C 3 9726 A 1
2734 B 2 3727 A 3 3784 B 2 9727 A 2
2735 A 3 3728 A 2 3785 A 1 9728 A 2
2736 A 2 3729 C 2 3786 D 1 9730 A 1
2737 C 2 3730 C 2 3787 A 1 9733 D 2
2738 C 3 3731 B 2 3788 A 2 9734 C 2
2739 D 1 3732 D 1 3789 A 2 9735 C 2
2740 D 1 3733 D 1 3790 D 2 9736 C 3
2741 C 1 3734 C 1 3791 D 2 9737 C 3
2742 B 1 3735 C 1 5701 A 1 9738 C 3
2743 C 1 3736 C 1 6703 C 2 9739 C 2
Adjust Adjust
with to
max.
output
L=R
* SBC420 : 4822 397 30071
**a The maximum permissible speed deviation is ± 3%.
3758 **a
Morever, the wow and flutter value can be read.
This value should not exceed 0.3%.
10-2
9741 A 3
9742 A 3
9743 C 3
9744 C 3
9745 D 3
9746 D 3
9747 B 2
9748 A 2
9749 D 1
PCS 99 249