Combi Board - Circuit Diagram Cd Part 1; Cd Part - Philips AZ 1538 Service Manual

COMBI BOARD - CIRCUIT DIAGRAM

(CD PART 1)

1800 C1 2816 F10 2823 B11 2831 F12 2838 G4 2863 B7
1801 G1 2817 E9 2825 B12 2832 F6 2839 H4 2864 C7
1810 B10 2818 D9 2826 A14 2833 E4 2840 H4 2865 C7
2812 D9 2819 B10 2827 C14 2834 G6 2841 D6 2866 B7
2813 E9 2820 B10 2828 C14 2835 F4 2860 A7 2869 E3
2814 E9 2821 B10 2829 G14 2836 F4 2861 A7 2870 A8
2815 E10 2822 B11 2830 G13 2837 F4 2862 G4 2871 A8
1 2 3
+5V_HF
A
7811-A
8 3
LM358D
1
2
4
B
C
CD Drive
VrefCD10
1800
MP847
VREF 16
E
VCC
15
+5V_HF
B
E 14
A
C
D 13
D
D
A 12
F
B 11
C 10
F 9
47n 2869
GND 8 MP848
L
7 3866
LD
MP849
ESD sensitive lines!
6 4R7
GND
MP850
E
L
5
MON MP851 3872
F+ 4 4K7
MP852
T+ 3
MP853
16 +
T- 2
MP854
3
1 FOCUS
F- MP855
14
FMN
_
1
13
MP856
-
F
SLIDE 2
MP857
+
3 12
MP858
-
_
DISC 4 4
MP859
+
TRACK
10
1801
EH-B 9 +
side entry connector
outputs 7808
G
T = 1 s
during Focus search
16
+
3
SLIDE
14
_
13
12
_
4
DISC
H
8401
10
C-PAD 9 +
shielding #
1 2 3
8 - 1
2872 B8 2879 E6 3802 A7 3809 A8 3816 C7 3823 E5
2873 B8 2880 E6 3803 A7 3810 B8 3817 D3 3824 D6
2874 C8 2881 F7 3804 B7 3811 B8 3818 D4 3825 D6
2875 C8 2882 F7 3805 B7 3812 C8 3819 D4 3826 D6
2876 E7 2883 F8 3806 C7 3813 C6 3820 D5 3827 E6
2877 D4 2884 F8 3807 A8 3814 C6 3821 D4 3828 E6
2878 D5 3801 A7 3808 A8 3815 C6 3822 D5 3829 A11
4 5 6
MP800
MP802
MP803
MP804
MP805
MP806
3813
3814
Laser power control
2K2 2K2
U >400mV
MP818
->Laser damaged !
3820
MP877
MP861
+5V_HF +5V
4R7 +3.3V
3817 3818 2841
3819
220n
47R 47R 2877
47R
47u
3826
3825
3824
2878 3822 220K
47K
470K
100n 10K
MP862
7811-B
3821
8 5
1R LM358D
3823
7 2880 3827
7879
L
33p
BC807-40 8K2
MP837
1K
6
4
2879
MP824
3828
1n
2K7
7808
TDA7073A
Vref
3850
2833
4K7
2n2
FOCUS 3848 3847
1
-
33K 47K
2
3841 3R3
for Micro sets
+
2832
15
270p
MP870
3836
11
2836 47u +10V
D
+t
5
for CD-RCR
VDD PTH8
2837 47n
3852 3851
6
+
5001
TRACK 33K 47K
7
2835
3854
-
1n5 2834
6K8
270p
Vref
8
2862
D
47n
7809
TDA7073A
3856
SLIDE
220K
1
2838 3858
-
220n
6K8
2
+ Vref
+3.3V
15
3863
MP873
+10V
11
#
3860
2840
3R3
5
47K
VDD
M1
47u 100K
6
+
3859
7
DISC ACCELERATE
-
2839
D
100n
3853 1K8
8
M2
3861
100K
DISC BRAKE
D
3862 1K
4 5 6
3830 E7 3837 C14 3846 F11 3853 H5 3861 H5 3889 B12
3831 C14 3839 D14 3847 E6 3854 F5 3862 H5 3890 B13
3832 C14 3841 F5 3848 F6 3855 F11 3863 H4 3891 D8
3833 A10 3842 G14 3849 D14 3856 G6 3866 E3 3892 D8
3834 B14 3843 G14 3850 E5 3858 G5 3872 E3 3893 D9
3835 B14 3844 G13 3851 F6 3859 H5 3878 B13 3894 D9
3836 F5 3845 D14 3852 F6 3860 H6 3888 E15 3895 D10
7 8 9
3801 3807
R2 (CD10)
22K 10K
2870
2860
220p
180p
HF DA
3802
3808 R1 (CD10)
22K
10K
2871
2861
220p
330p
HF DA
3809
3803
D4 (CD10)
10K
27K
2866 2872
150p 220p
DA
3810
3804
D3 (CD10)
10K
27K
2873
2863
220p
150p
HF DA
3805 3811
D2 (CD10)
27K 10K
2874
2864
220p
150p
HF DA
3806 3812
D1 (CD10)
27K 10K
2875
2865
3816
3815 220p
150p
2K2 2K2
HF
AD
+3.3V
EYE-PATTERN
3891
1K
3893
VrefCD10
470R
2818
>800mVpp 2812
3892 47n
10u
1K 3894
220K
3896
TB = 0.5us/div
+5V_HF
+3.3V 100R
2817
4u7
3830 2814
100R
3n3
2876
3905 3897
470R 33K
220u
2813 3898
3902
820R
HFIN
6n8 180R
7876 2883
3903 3904
BC847B 2816
3901 470n 3K3 3K3
22n
2884
560R
470n
2882
470R
82p
3899
3906
for CD_DA: 0V
2881 2K7
for CD_RW: 3V
7878
560p
BC847B
3907 3908
390R 2K2
7877
BC847B
HF-Amplifier
MP825
7 8 9
8 - 1
3896 E9 3904 F8 3916 C14 7811-B D5 MP802 A3 MP810 B13
3897 E10 3905 E8 3917 G12 7876 F7 MP803 A3 MP812 A12
3898 E9 3906 F8 5001 F5 7877 G8 MP804 B3 MP817 A13
3899 F9 3907 F7 7800 C12 7878 F9 MP805 B3 MP818 C6
3901 F7 3908 F8 7808 E3 7879 E4 MP806 C3 MP824 E4
3902 E7 3909 G10 7809 G4 8401 H2 MP808 F13 MP825 G9
3903 F8 3910 D14 7811-A A2 MP800 A3 MP809 D10 MP826 F12
10 11 12
to 1820 on sheet 2
to sheet 2 (7810) MP3-Interface
+3.3V
+3.3V
3829
MP812
3833 120R
120R
D
D MP827
MP828
3889
2819 2821 470R
2820
33p 100n 2823
33p
2822 2825 D
1810 CST
D
220u
1n5 1n5
17 18 19 20 21 22 23 24 25 26 27
8M467
VDDA2
16 CRIN
INTERFACE
BITSTREAM DAC
SER. DATA
15 CROUT
D
14 VSSA2
13 R2
12 R1
PROCESSING
SAA7325
11 D4 PRE-
ADC
7800
10 D3
FUNCTION PROCESSOR
CONTROL AUDIO
9 D2
8 D1
MP809
VREF GEN.
7 VRIN
3895
6 IREF
27K
DEMOD SRAM
MP844
EFM
ADDR
5 VDDA1
MP884
END
CORR.
PLL
4 VSSA1 FRONT
ERROR
DIG.
3 ISLICE
CONTROL STAGES
MP893
2 HFIN
MOTOR OUTPUT
INTERFACE
2815
VERSATILE
150p
1 HFREF
LDON
64 63 62 61 60 59 58 57 56 55 54
MP826
MP896
M2 M1
MP808
2831
47u
3846 3855
2830
10K 10K
3917
4R7
3909
D
100K +3.3V
+3.3V D
SL FO RA
3V
0V
10 11 12
MP827 A10 MP840 F13 MP849 E2 MP856 F2 MP870 F4
MP828 A11 MP841 F12 MP850 E2 MP857 F2 MP873 H4
MP830 A13 MP842 F12 MP851 E2 MP858 F2 MP877 D5
MP831 G13 MP843 G13 MP852 E2 MP859 F2 MP884 E10
MP837 E4 MP844 E10 MP853 E2 MP860 B14 MP887 C15
MP838 F12 MP847 D2 MP854 F2 MP861 D4 MP893 E10
MP839 F11 MP848 E2 MP855 F2 MP862 D4 MP896 F10
13 14 15
2826
47n
A
GNDA
MP817
3890 3878
470R
470R
D
MP810 MP860
B
28 29 30 31 32
KILL
10K
D
D
3834
VSSD1 33
#
3835
10K
INTERF.
KILL +3.3V
VERSAT.
V2|V3 34
3831 470R
IIS_WCLK
MP887
3916 470R
WCLI 35
AU_IIS_DATA
INTERF.
3832 470R
LOOPBACK IIS_SCLK
C
SDI 36 D
SER. DATA 2827 1n
SCLI 37
PORE
3837 470R
RESETn 38
D
2828 27p
SDA
SDA 39
470R
3910
SICL
SCL 40
3839 470R
D
RAB
RAB 41
3849 470R
SILD
SILD 42
3845 470R
STATUS 43
D
TEST3 44 3888
10K
D
DET.
RCK 45
PEAK E
+3.3V
SUB 46
INTERF.
EBU
SFSY 47
SBSY 48
CL11|4
53 52 51 50 49
F
to
Conn. 1820
on
D SPDIF_GND sheet 2
SPDIF
MP831 +3servo
3842
47u
1K
MP843
3844
100R
Vref
3843
2829 G
1K
+3servo 47n
+3.3V
D
D
DC voltages
V
and waveforms
measured in
H
play mode
# ... for provision only
13 14 15