Philips AZ 2045 Manual de serviço - Página 16
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COMBI BOARD - CIRCUIT DIAGRAM
(CD PART 1)
1800 E2
2807 F5
2815 G14
2823 B15
2831 I16
2839 K6
1801 I2
2808 F6
2816 G13
2824 B15
2832 H8
2840 K6
2801 A3
2809 G8
2817 F12
2825 B16
2833 G5
2841 D1
2802 B4
2810 G9
2818 F13
2826 A18
2834 I8
2842 H9
2827 D20
2803 F5
2811 G10
2819 B13
2835 I6
2860 B6
2804 F5
2812 G11
2820 B14
2828 D20
2836 H6
2861 C6
2805 F5
2813 G12
2821 B15
2829 I19
2837 J8
2862 C6
2806 F6
2814 F13
2822 B15
2830 I18
2838 J5
2863 D6
1
2
3
4
Laser power control
Vdd_HCU
3810
MP800
A
4R7
3805
3801
3807
2801
27K
150K
47u
1K5
3808
3809
7804-A
3
33R
8
33R
2802
LM358D
3803
47u
1
27K
B
2
3806
3800
680R
4R7
4
MP837
3804
3802
MP802
4K7
1K
7803
BC807-40
Monitor
LASER
L
LDON
L
L
C
7804-B
5
8
LM358D
7
6
4
D
10K
3864
+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
MP877
M
9
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
15
F-
14
_
1
13
-
SLIDE
H
2
+
Innersw
MP846
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
+
9
8401
1
2
3
4
8 - 1
2864 E6
2875 E7
3800 B3
3808 A3
3816 F7
3824 G13
2865 E6
3706 B8
3801 A1
3809 A2
3817 F9
3825 G13
2869 G3
3707 C8
3802 B1
3810 A4
3818 F8
3826 F14
2870 B7
3728 A15
3803 B1
3811 F6
3819 G8
3827 F13
3745 I17
3804 B1
3812 F6
3820 F9
2871 C7
3828 A15
2872 C7
3750 I15
3805 A1
3813 F6
3821 G10
3829 A15
2873 D7
3751 I15
3806 B2
3814 G7
3822 G10
3830 B17
2874 E7
3757 J7
3807 A2
3815 F7
3823 F11
3834 C20
5
6
7
8
+5V
MP817
3894
@
10K
2860
2870
3706
560p
220p
4M7
HF
DA
MP816
3895
@
10K
2861
2871
3707
1n5
220p
4M7
HF
DA
MP814
3896
3890
10K
100K
2872
2862
180p
220p
HF
DA
MP829
3891
3897
100K
10K
2863
2873
180p
220p
HF
DA
MP813
3898
3892
100K
10K
2864
2874
180p
220p
HF
DA
MP812
3893
3899
100K
10K
2865
2875
180p
220p
DA
HF
HF-Amplifier
4K7
470K 3812
BC847B
2806
2803
82p
7807
MP880
2808
3813
3815
82p
3811
150p
68K
MP818
1K
2807
A
Y
3816
3818
5
6
HF
7802-C
15K
5K6
27p
7808
3K3
7802-A
TDA7073A
3
4
A
Y
2809
2810
1
2
FOCUS
3814
A
Y
7802-B
3849
33p
47p
3819
1
-
56K
2833
3850
MP881
3847
3848
15K
2
8K2
+
470p
Vref
47K
82K
15
3855
2832
MP870
11
of HCU
+10V
150p
MP822
2836
+t
5
VCC
PTH8
VDD
D
3853
3852
MP882
3851
6
47u
+
15K
47K
56K
7
470p
3854
-
8K2
2835
2834
270p
Vref
8
TRACK
D
7809
TDA7073A
SLIDE
3857
3757
3856
68K
22K
68K
1
3858
2838
-
2837
3K9
22n
47n
2
+
Vref
D
15
3863
MP873
+10V
11
3R3
2840
5
VDD
3859 47K
47u
M2
6
+
7
D
3860
1K
-
2839
100n
8
3861 47K
M1
DISC
3862
1K
D
5
6
7
8
3835 C20
3844 I18
3852 H7
3860 K7
3892 D6
7800 E17
3837 D20
3845 I17
3853 H7
3861 K7
3893 E6
7802-A G8
3838 E20
3846 H15
3854 H6
3862 K7
3894 B7
7802-B G7
3839 E20
3847 G8
3855 H6
3863 J6
3895 B7
7802-C G6
3840 E20
3848 G7
7802-D G11
3856 J8
3864 D1
3896 C7
3841 F20
3849 G6
3857 J7
3865 H9
3897 D7
7802-E G9
3842 I20
3850 G6
3858 J6
3890 C6
3898 D7
7802-F H11
3843 I20
3851 H8
3859 K7
3891 D6
3899 E7
7803 C3
9
10
11
12
13
only for digital out versions
(Quartz used)
R2 (CD10)
2819
33p
R1 (CD10)
8.46 MHz
D4 (CD10)
D3 (CD10)
D2 (CD10)
D1 (CD10)
+3.3V
2818
47n
33K 3826
3827
33R
L
HF
2817
4u7
3817
MP844
HF
47K
HF
2814
3820
3823
47n
18K
3K3
3825
7802-D
22K
3K3
3K3
2813
3824
9
8
A
Y
A
Y
10
11
3821
2n2
1K
MP893
3822
7802-E
MP820
2812
2816
2811
10p
HF
33p
Vdd_HCU
22n
EYE-PATTERN
LDON
HF
7802-F
3865
13
12
+5V
A
Y
1K
2842
HF
1u
800mVpp
MP823
TB = 0.5us/div
HF
LOW = CD_RW (high gain)
3V
4V
0V
0V
9
10
11
12
13
8 - 1
7804-A B1
MP803 H14
MP816 B5
MP825 B18
MP839 H15
MP848 G2
7804-B C3
MP808 H18
MP817 B5
MP826 H16
MP840 H17
MP849 G2
7807 F8
MP809 E14
MP818 F5
MP827 A14
MP841 H17
MP850 G2
7808 G5
MP810 B18
MP819 D1
MP828 B15
MP842 H17
MP851 G2
MP812 E5
MP820 G12
MP829 D5
MP843 I19
MP852 I2
7809 I5
8401 K3
MP813 D5
MP821 D20
MP831 I18
MP844 F12
MP854 I2
MP800 A3
MP814 C5
MP822 H9
MP837 B3
MP846 H2
MP855 G2
MP802 B2
MP815 F2
MP823 I9
MP838 H16
MP847 H2
MP860 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
3830
100n
220u
2822
2825
4K7
2824
1810
MP825
D
47n
MP896
1n5
1n5
17
18
19
20
21
22
23
24
25
26
27
28
29
VDDA2
CRIN
16
INTERFACE
CROUT
BITSTREAM DAC
SER. DATA
KILL
15
VSSA2
D
14
R2
13
R1
12
D4
PROCESSING
SAA7325H
11
PRE-
ADC
D3
7800
10
FUNCTION
PROCESSOR
D2
CONTROL
AUDIO
9
D1
MP809
8
VRIN
VREF GEN.
7
IREF
6
DEMOD
SRAM
VDDA1
EFM
ADDR
5
DA
VSSA1
END
HF
CORR.
DET.
4
PLL
FRONT
ERROR
PEAK
L
DIG.
ISLICE
3
HFIN
INTERF.
HFIN
CONTROL
STAGES
EBU
2
MOTOR
OUTPUT
INTERFACE
2815
HFREF
VERSATILE
47p
1
LDON
64
63
62
61
60
59
58
57
56
55
54
53
52
MP803
+3servo
MP808
3846
22K
Innersw
M2
M1
2830
1u
2831
D
3844
@
@
1u
100R
3750
3751
22K
22K
+3.3V
drive_recognition
+3.3V
D
SL
FO
RA
14
15
16
17
18
MP862 C19
MP893 G13
MP870 H5
MP895 F19
MP873 J6
MP896 B17
MP876 F20
MP897 H15
MP877 F3
MP880 F8
MP881 G7
MP882 H7
19
20
21
table for drive- and digital out recognition
stuffed resistor
drive
digital out
3750
VAM
on
3751
VAM
off
3834
DA11
on
A
3835
DA11
off
B
D
MP810
30
31
32
KILL
D
drive_recognition
VSSD1
33
3834
22K
@
MP862
INTERF.
C
+3.3V
VERSAT.
V2|V3
34
3835
22K
D
D
WCLI
35
DRIVE = DA11
INTERF.
digital out = off
D
2827 1n
LOOPBACK
SDI
36
D
SER. DATA
D
3837
470R
D
SCLI
37
PORE
MP821
RESETn
38
D
2828
47p
to
SDA
SDA
39
3838470R
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
51
50
49
H
D
EBUGND
to
DOBM
dig. out circuitry
MP831
+3servo
on
sheet 2
3842
1K
I
MP843
Vref
2829
3843
47n
+3servo
1K
D
D
for digital out: 33E
J
V
K
DC voltages
measured in
... for provision only
@
play mode
19
20
21