Philips AZ 1500 Service Manual page 17

COMBI BOARD - CIRCUIT DIAGRAM
(CD PART 2 )
18 2 2 E4 2 8 4 3 A5 2 8 4 8 C5 2 8 53 E6
2 7 01 E2 2 8 4 4 A5 2 8 4 9 C5 2 8 54 D6
2 7 02 D2 2 8 4 5 A6 2 8 50 B6 2 8 55 D6
2 7 03 E4 2 8 4 6 A7 2 8 51 C7 2 8 57 E6
2 7 04 E3 2 8 4 7 A8 2 8 52 C8 37 01 D1
1 2
A
B
C
optical out coax out
2701 47p 22p
2702 not stuffed 47n
2703 Jumper 100n
2704 not stuffed 100n
5802 not stuffed stuffed
D
3701 100R 270R
3702 not stuffed 470R
3703 33R not stuffed
3705 1R not stuffed
from
3701
7800
DOBM
on
270R
sheet1
2701 470R
3702
22p
EBUGND EBUGND
E
digital out circuitry (not for all versions)
1 2
8 - 2
37 02 E2 38 36 D10 38 7 1 A7 38 7 6 B6
37 03 D3 38 6 7 A5 38 7 2 A8 38 7 7 C6
37 04 E4 38 6 8 A5 38 7 3 C5 38 7 8 C7
37 05 D3 38 6 9 A6 38 7 4 C5 38 7 9 C8
37 8 8 D9 38 7 0 A6 38 7 5 C5 38 8 0 E7
3 4
DACRIGHT_neg
DACRIGHT_pos
@
4804
0R
GNDA
DACLEFT_neg
DACLEFT_pos
@
4805
0R
GNDA
+3.3V
3705
3703
33R
1R
5802
EH-S
920927152B
2702
MP891
3 4 1
COAX1/+5V
47n 3704
2 2
COAX2/EBU
MP892
10R
1 6 3
SHIELD/EBU_GND
2704
7 8
1822
100n
2703
MP894
100n
EBUGND
3 4
38 8 1 E7 38 8 6 D8 4 8 05 C4 7 8 10-B C5
38 8 2 D7 38 8 7 D9 58 02 D3 7 8 7 5 E7
38 8 3 D6 38 8 8 E9 58 03 E6 8 4 02 C9
38 8 4 D6 39 00 A5 6 8 7 7 E7 9 000 B10
38 8 5 D8 4 8 04 A4 7 8 10-A A5 9 001 B10
5 6
2845
220p
3869
GNDA 10K
3900
4
2
22K
2843
100p
1
3867 470R
@
TDA 1308
8
3 3870
22K
7810-A
2844
10K
3868
220p
10K
GNDA GNDA
+2.5V
2850
220p
3876
GNDA 10K
3873
4
6
22K
2848
100p 7
3874 470R
@
TDA 1308
8 3877
5
22K
7810-B
2849 10K
3875
220p
10K
+2.5V
GNDA GNDA
+2.5V
38841K 38831K
GNDA
MP867
MP868
2854
2855
220u
10u
GNDA
+5V
5803
+3.3V
1u
MP865
AL 02 7875
BC847B
2857
6877
47u B3V9
UDZ-3.9B
2853
@... for provision only
10n
5 6
8 - 2
9 002 B10 9 008 E10 MP8 07 E10 MP8 6 5 E6 MP8 9 2 E3
9 003 C10 9 009 E10 MP8 11 E10 MP8 6 6 B10 MP8 9 4 E2
9 004 C10 9 010 E10 MP8 56 B10 MP8 6 7 D7 MP8 9 8 C10
9 005 C10 9 011 E10 MP8 6 3 E10 MP8 6 8 D6 MP8 9 9 C10
9 007 E10 MP8 01 C10 MP8 6 4 B10 MP8 9 1 E4
7 8
2846
3871
10u
@
3872
2847
470p 47K
GNDA GNDA
GNDA
2851
3878
10u
@
+10V
2852
3879
470p
47K
GNDA GNDA
+3.3V +5V +3.3V +3.3V
3882
100R
@
3788
3885
4K7
10K
3888
4K7
33R
SCL
3880
SILD
SDA
3881
150R
7 8
9 10
A
B
basic version w/ 6p-connector
MP864
9000
LEFT
MP866
9001
GNDA
MP856
9002
RIGHT
MP898
9003
+5V
8402
MP899
9004
GND
MP801
9005
+10V
C
+3.3V D
basic version w/ 5p-connector
9007
PORE PORE
MP807
9008
GND
MP863
9009
DATA
MP811
9010
SICL
9011 E
SILD
9 10