Philips AZ 1500 Service Manual page 16

COMBI BOARD - CIRCUIT DIAGRAM
(CD PART 1)
18 00 E2 2 8 07 G5 2 8 15 G14 2 8 2 3 B15 2 8 31 I16 2 8 39 K6
18 01 I2 2 8 08 F6 2 8 16 H13 2 8 2 4 B15 2 8 32 H8 2 8 4 0 K6
2 8 01 A2 2 8 09 G8 2 8 17 F12 2 8 2 5 B16 2 8 33 G6 2 8 4 1 D1
2 8 02 B4 2 8 10 G9 2 8 18 F13 2 8 2 6 A18 2 8 34 I8 2 8 4 2 H9
2 8 03 F5 2 8 11 G10 2 8 19 B13 2 8 2 7 D2 0 2 8 35 H6 2 8 6 0 B6
2 8 12 G11 2 8 2 0 B14 2 8 2 8 D2 0 2 8 6 1 C6
2 8 04 F5 2 8 36 H6
2 8 05 F5 2 8 13 G12 2 8 2 1 B15 2 8 2 9 I19 2 8 37 J 8 2 8 6 2 C6
2 8 06 F5 2 8 14 F13 2 8 2 2 B15 2 8 30 I18 2 8 38 J 6 2 8 6 3 D6
1 2 3 4
Laser power control
Vdd_HCU
3810
MP800
+5V
A
4R7
3805
3801
27K 2801
3807
150K
47u
1K5
3808
7804-A
3
8
3809 33R 2802
LM358D
3803 33R 47u
1
27K
3800
B 2
3806
4R7
4 680R MP837
3804 3802 MP802
4K7 1K
7803
BC807-40
Monitor L LASER L
LDON L
C
7804-B
5
8
LM358D
7
6
4
D
3864 10K
+5V
MP819
2841 47n
SANYO DA11
L MP860 L
1800
comm. cath
1
B
2
E
F
E
3
D
F
4
A C
D
5
B
C 6
E
7
A
F
8
L
9 MP877
M
Monitor
MP815
10
L
LASER
47n 2869
L 11 MP855
L
MP848
12
G
T-
TRACK MP851
13
F+
16 +
MP850
14
T+
3
FOCUS MP849 FOCUS
F- 15
14
_
13
1
-
SLIDE
H 2
+
MP846
Innersw 12
3
_
INNERSW. MP847 4
4
TRACK
MP852 10
5
+
+
DISC MP854 9
6
-
I
1801
EH-B
Tope entry connector
T = 1 s
during Focus search
16
+
3
J
SLIDE
14
_
13
12
_
4
connect shielding DISC
10
K
+
8401 9
1 2 3 4
8 - 1
2 8 6 4 E6 2 8 7 5 E7 38 00 B2 38 08 B3 38 16 F7 38 2 4 G13
2 8 6 5 E6 37 06 B8 38 01 A1 38 09 B3 38 17 F9 38 2 5 G13
2 8 6 9 G3 37 07 C8 38 02 C1 38 10 A4 38 18 F8 38 2 6 F14
2 8 7 0 B7 37 2 8 A15 38 03 B1 38 11 F6 38 19 G8 38 2 7 F13
2 8 7 1 C7 37 4 5 I17 38 04 C1 38 12 F6 38 2 0 F9 38 2 8 A15
2 8 7 2 C7 37 50 I15 38 05 A1 38 13 F6 38 2 1 G10 38 2 9 A15
2 8 7 3 D7 37 51 I15 38 06 B2 38 14 G7 38 2 2 G10 38 30 B17
2 8 7 4 E7 37 57 J 7 38 07 B2 38 15 F7 38 2 3 F11 38 34 C2 0
5 6 7 8 9
MP817 3894
@
10K
2860 2870
3706
560p 220p
4M7
HF DA
MP816
3895
@
10K
2861 2871
3707
220p
1n5
4M7
HF DA
MP814 3890 3896
10K
100K
2862 2872
180p 220p
HF DA
MP829
3891 3897
100K 10K
2873
2863
180p 220p
HF DA
MP813 3898
3892
10K
100K
2864 2874
180p 220p
HF DA
MP812 3893 3899
100K 10K
2865 2875
180p 220p
DA
HF
HF-Amplifier
4K7
470K 3812
BC847B
7807
3815 MP880 3817
2808 3813
3811
47K
150p 68K
MP818 1K
A Y 3816 3818
5 6
HF
7802-C
27p2807 15K 5K6
7808
3K3
7802-A
TDA7073A 3 4
2809 2810
A Y 1
2
FOCUS 3814 A Y A
7802-B 11
3849 33p 47p
7802-E
3819
1
-
56K
2833
3850 3848 MP881 3847
15K
2
470p
+ 8K2
Vref 47K
15 82K
3855
2832 Vdd_HCU
MP870
11
150p of HCU MP822
+10V
2836
+t
5 VCC
PTH8
VDD D
3853 3852 MP882 3851
6 47u
+
15K 47K 56K
7
2835 3854
-
470p 8K2
2834
Vref 270p
8
TRACK
HF
D
7809
TDA7073A
SLIDE 3857 3757 3856
68K 22K 68K
1
2838 3858
- 47n
22n 3K9
2837
2
+ Vref
D
15
3863
MP873
+10V
11
3R3
2840
5
VDD
47u 3859 47K
6 M2
+
7
D
3860 1K
- 2839
100n
8
3861 47K
M1
DISC
D
3862 1K
5 6 7 8 9
38 35 C2 0 38 4 4 I18 38 52 H7 38 6 0 K7 38 9 2 D6 7 8 00 E17
38 37 D2 0 38 4 5 I17 38 53 H7 38 6 1 K7 38 9 3 E6 7 8 02 -A G8
38 38 E2 0 38 4 6 H14 38 54 H6 38 6 2 K7 38 9 4 B7 7 8 02 -B G7
38 39 E2 0 38 4 7 G8 38 55 H6 38 6 3 J 6 38 9 5 B7 7 8 02 -C G6
38 4 0 E2 0 38 4 8 G7 38 56 J 8 38 6 4 D1 38 9 6 C7 7 8 02 -D G11
38 4 1 F2 0 38 4 9 G6 38 57 J 7 38 6 5 H10 38 9 7 D7
7 8 02 -E G9
38 4 2 I2 0 38 50 G6 38 58 J 6 38 9 0 C6 38 9 8 D7 7 8 02 -F H11
38 4 3 I2 0 38 51 H8 38 59 K7 38 9 1 D6 38 9 9 E7 7 8 03 C3
10 11 12 13
only for digital out versions
(Quartz used)
R2 (CD10)
2819
33p
1810
R1 (CD10)
8.46 MHz
D4 (CD10)
D
D3 (CD10)
D2 (CD10)
D1 (CD10)
+3.3V
MP809
2818
47n 33K 3826
3827
33R
L
HF
2817 4u7
MP844 DA
HF
HF
HF
2814
3820 3823
47n L
18K 3K3
3825
HFIN
7802-D
22K
3K3
3K3 2813 3824
9 8
Y A Y
10
3821 3822 2n2 1K MP893
2815
MP820
2812
47p
2811
10p HF
33p
2816 22n
LDON
EYE-PATTERN
HF
7802-F
3865
13 12
+5V A Y
1K
2842
HF
1u
800mVpp
MP823
TB = 0.5us/div
LOW = CD_RW (high gain)
3V
4V
0V 0V
10 11 12 13
8 - 1
7 8 04 -A B1 MP8 03 H14 MP8 16 B5 MP8 2 5 B18 MP8 39 H15 MP8 4 8 G2
7 8 04 -B C3 MP8 08 H18 MP8 17 B5 MP8 2 6 H16 MP8 4 0 H17 MP8 4 9 G2
7 8 07 F8 MP8 09 E14 MP8 18 F5 MP8 2 7 A14 MP8 4 1 H17 MP8 50 G2
7 8 08 G5 MP8 10 B18 MP8 19 D1 MP8 2 8 B15 MP8 4 2 H17 MP8 51 G2
7 8 09 I5 MP8 12 E5 MP8 2 0 G12 MP8 2 9 D5 MP8 4 3 I19 MP8 52 I2
MP8 2 1 D2 0
8 4 01 K3 MP8 13 D5 MP8 31 I18 MP8 4 4 F12 MP8 54 I2
MP8 00 A3 MP8 14 C5 MP8 2 2 H9 MP8 37 B3 MP8 4 6 H2 MP8 55 G2
MP8 02 B2 MP8 15 F2 MP8 2 3 I9 MP8 38 H16 MP8 4 7 H2 MP8 6 0 D2
14 15 16 17 18
DACLEFT_neg DACLEFT_pos DACRIGHT_neg DACRIGHT_pos
+3.3V +3.3V
3728
2826
47R
47n
3829
3828
GNDA
100R
47R
D
MP827
D
MP828
2823
2820 2821
33p 100n 3830
220u
2822 2825 4K7
2824
MP810
MP825
D
47n MP896
1n5 1n5
17 18 19 20 21 22 23 24 25 26 27 28 29 30
VDDA2
CRIN
16
INTERFACE
CROUT BITSTREAM DAC
SER. DATA KILL
15
VSSA2
14
INTERF.
R2
LOOPBACK
13
SER. DATA
R1
12
D4
PROCESSING
SAA7325H
11 PRE-
ADC
D3
7800
10
FUNCTION PROCESSOR
D2 CONTROL AUDIO
9
D1
8
VRIN
VREF GEN.
7
IREF
6
DEMOD SRAM
VDDA1
EFM
ADDR
5
VSSA1
END
CORR. DET.
4 PLL
FRONT
ERROR PEAK
DIG.
ISLICE
3
INTERF.
HFIN
CONTROL STAGES
EBU
2
MOTOR OUTPUT
INTERFACE
HFREF
VERSATILE
1
LDON
64 63 62 61 60 59 58 57 56 55 54 53 52 51
MP803
+3servo
MP808
3846
Innersw 22K
M2 M1
2830 MP831
3845
10R
1u
2831
D
3844
1u
3750 100R
3751
3745
22K
22K
10R
+3servo
@ @
+3.3V
drive_recognition D +3.3V
SL FO RA
14 15 16 17 18
MP8 6 2 C19 MP8 9 3 G13
MP8 7 0 H5 MP8 9 5 F19
MP8 7 3 J 6 MP8 9 6 B17
MP8 7 6 F2 0 MP8 9 7 H15
MP8 7 7 F3
MP8 8 0 F8
MP8 8 1 G7
MP8 8 2 H7
19 2 0 2 1
table for drive- and digital out recognition
stuffed resistor drive digital out
3750 VAM on
3751 VAM off
A
3834 DA11 on
3835 DA11 off
B
D
31 32
KILL
D drive_recognition
VSSD1 33
3834 22K @
MP862 C
INTERF.
+3.3V
VERSAT. V2|V3 34
3835 22K
D D
WCLI 35
DRIVE = DA11
digital out = off
D 2827 1n
SDI 36
D
D 3837 470R D
SCLI 37
PORE
MP821
RESETn 38
D
2828 47p
to
SDA
SDA 39
3838 470R 1805
on
SCL
SCL 40 sheet 2
3839 470R
E
(uP-interface)
D
RAB 41
3840
SILD
SILD 42
470R
MP876
STATUS 43
MP895
F
D
TEST3 44
3841 4K7
D
RCK 45
SUB 46
G
SFSY 47
SBSY 48
CL11|4
50 49
H
D EBUGND to
DOBM
dig. out circuitry
+3servo
on
sheet 2
3842
I
MP843
1K
Vref
2829
3843
47n
1K
D D
for digital out: 33E
J
V
K
DC voltages
measured in
... for provision only
@
play mode
19 2 0 2 1