Philips AJ-3950, Руководство по обслуживанию

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during Focus search
800mVpp
LOW = CD_RW (high gain)
EYE-PATTERN
T = 1 s
TB = 0.5
m
s/div
3V
0V
V
............. Vdc measured during PLAY with normal CD or CD-R
Vdc measured during PLAY with CD-RW
EVM V
1,5V 0V
0,9V 0,9V
0,9V 0,9V
10V
6,2V
5V
0,2V
0,2V
3,3V
2,5V
3,9V
1,8V
6,1V
6,2V
6,1V
6,2V
6,5V
5,9V
6,0V
V
............. Vdc measured during PLAY
with normal CD or CD-R
Vdc measured during PLAY with CD-RW
EVM V
3,3V
3,9V
4,8V
2,5V
5V
2,5V
2,5V
2,5V
5V
2,5V
2,5V
CD99 DA11 - CIRCUIT DIAGRAM
PCS 104 488
10-2 10-2 10-2
+
-
+
-
VDD
+
-
+
-
VDD
+t
INTERFACE
VERSATILE
DEMOD
EFM
PLL
DIG.
STAGES
OUTPUT
CONTROL
MOTOR
KILL
INTERF.
LOOPBACK
SER. DATA
INTERF.
VERSAT.
INTERFACE
SER. DATA
BITSTREAM DAC
TIMING
INTERF
ACE
MICROCONTROLLER
PROCESSOR
AUDIO
PROCESSING
PRE-
FUNCTION
CONTROL
SRAM
ADDR
INTERF.
EBU
DET.
PEAK
CORR.
ERROR
PROCESSOR
SUBCODE
END
FRONT
VREF GEN.
ADC
M2
L
@
HF
of HCU
HF
D
_
L
C
3835
L
+
HF
FOCUS
@ @
TRACK
B
D
B
VAM
D
DA11
VAM
DISC
comm. cath
digital out = off
3751
3834
D
on
digital out
D
stuffed resistor
L
L
M
DISC
table for drive- and digital out recognition
3897 C5
3898 C5
3899 D5
7800 D12
7802-A E6
7802-B E5
7802-C E5 7802-D E8
7802-E E7
7802-F F8
7803 B2
7804-A A1
7804-B C3
7807 E6 7808 E4
7809 G4
8401 H3
D
R1 (CD10)
+
for digital out: 33E
T+
off
3750
D
3852 F5
3853 F5
3854 F5
3855 F4
3856 G6
3857 G5
3858 G5 3859 H5
3860 H5
3861 H5
3862 H5
3863 H4
3864 C1
3865 F7 3890 B4
3891 C4
3892 C4
3893 D4
3894 A5
3895 B5
3896 B5
D
1810
D
HF
D
to
D
to
+
DA
D
3829 A11
3830 B12
3831 B14
3832 B14
3834 B14
3835 C14
3837 C14 3838 D14
3839 D14
3840 D15
3841 E14
3842 G14
3843 G14
3844 G13 3845 G12
3846 F10
3847 F6
3848 F5
3849 E5
3850 F5
3851 F6
@
sheet 2
R2 (CD10)
L
@
D
sheet 2
DA
EH-S
DA
-
(uP-interface)
3809 A2
3810 A3
3811 E4
3812 D5
3813 E5
3814 E5
3815 E5
3816 E5
3817 E7
3818 E6
3819 E6
3820 E7
3821 E7 3822 E7
3823 E8
3824 E9
3825 E9
3826 D10
3827 D9
3828 A10
D
A
FOCUS
HF
DA
D
L
F-
+
2865 D5
2869 E2
2870 B5
2871 B5
2872 C5
2873 C5
2874 D5 2875 D5
3728 A10
3745 G12
3750 G11
3751 G11
3757 G5
3800 B2 3801 A1
3802 B1
3803 B1
3804 B1
3805 A1
3806 B2
3807 A2 3808 A2
TRACK
D4 (CD10)
HF
DISC
TRACK
HF
D
1805
INNERSW.
FOCUS
_
HF-Amplifier
D1 (CD10)
2831 G12
2832 F5
2833 F4
2834 F5
2835 F4
2836 F4
2837 G5
2838 G4
2839 H4
2840 H4 2841 C1
2842 F7
2860 B5
2861 B5
2862 C5
2863 C5
2864 D5
_
DA
SAA7325H
DRIVE = DA11
... for provision only
D
HF
D3 (CD10)
off
SLIDE
L
DA
L
2813 E9
2814 E9
2815 E10
2816 F10
2817 D9
2818 D9
2819 B10 2820 B10
2821 B11
2822 B11
2823 B11
2824 B11
2825 B12
2826 A13 2827 C14
2828 C14
2829 G14
2830 F13
connect shielding
HF
(Quartz used)
F
E
D
D
D
D
15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
A
B
C
D
E
F
G
HF
SLIDE
+
D
C
HF
drive
DA11
on
HF
F
HF
@
-
SLIDE
D
SANYO DA11
Laser power control
T-
1 2 3 4 5 6 7 8 9
HF
A
M1
F+
10 11 12 13 14
H
A
B
C
D
E
F
G
H
1800 D1
1801 G1
2801 A2
2802 A3
2803 E4
2804 E4
2805 E4 2806 E4
2807 E4
2808 E4
2809 E6
2810 E6
2811 F7
2812 E8
on
E
D
D
side entry connector
only for digital out versions
+
L
D
D
D2 (CD10)
DA
_
8.46 MHz
on
dig. out circuitry
3805
27K
3813
68K
2827
2830
1u
1n
3855
PTH8
Monitor
2814
47n
13
9
12
5
7809
TDA7073A
14
10
2
1
6
7
16
4R7
3810
3830
4K7
3809
33R
7
16
13
9
12
5
8
Vdd_HCU
TDA7073A
7808
14
10
2
1
6
2835 470p
VCC
1K
3824
+10V
2820
33p
3K3
3814
22K 3846
2821 100n
2828
47p
82K
3847
+3.3V
47R
3828
27K 3826
2832 150p
5
Y
6
7802-B
3
A
4
Y
10K
7802-C
A
3897
3818
5K6
2875
2817 4u7
470R
3840
220p
22K
3757
22K
2812
10p
3835
470p 2833
3819
15K
3820
18K
3802
1K
22n
2838
Monitor
220p
47K
3848
2873
3750
22K
13
14
15
2
3
4
5
6
7
8
9
drive_recognition
1800
1
10
11
12
8401
3898
10K
3832
470R
47u
2836
3804
4K7
56K
3849
1K
3811
15K
3853
2863 180p
Vdd_HCU
3812 470K
3837
2803
82p
470R
15K
3843
1K
100K
3892
3816
47K 3859
3893
100K
2818 47n
2822
1n5
2826
47n
7802-A
A
1
Y
2
82p
2805
33R
3827
3745
10R
2831
1u
3829 100R
+3.3V
10K
3896
470R
22K 3831
3839
4K7 3841
3803
27K
47K 3861
+3.3V
2819
33p
LDON
2806
82p
drive_recognition
3K9
3858
180p 2865
47u
2840
22K 3834
+5V
180p
3807
1K5
2864
3890
100K
3815
4K7
3856
68K
3860 1K
100K
3891
3862 1K
3728
47R
+3servo
3801
150K
7807
BC847C
47n
2829
LDON
3823
3K3
+3.3V
180p 2862
3751
22K
10K
47K
3852
8K2
3864
2874
3850
220p
EBUGND
2807
27p
100R 3844
3821
3K3
2842
1u
2860
10K
3899
GNDA
560p
7802-D
9
A
8
Y
3806 680R
3R3
3863
+5V
2n2
2813
+3servo
2861
1n5
+5V
2815
47p
2808
150p
22K
3825
220p 2871
2870 220p
3845
2R2
2810
33p
68K
3857
3808
33R
281
1
33p
220p 2872
2809
33p
7803
BC807-40
2839 100n
3817
47K
10K
3895
2804
82p
2834 270p
50
VSSD2
58
VSSD3
35 WCLI
28
WCLK
3842
1K
44 TEST3
63
V1
34 V2|V3
61
V4
62
V5
5
VDDA1
17
VDDA2
VDDD1P
52 57
VDDD2C
20
VNEG
21
VPOS
VRIN
7
4
VSSA1
14
VSSA2
33 VSSD1
RN
23
RP
48 SBSY
40 SCL
37 SCLI
29
SCLK
39 SDA
36 SDI
24
SELPLL
47 SFSY
42 SILD
56
SL
43 STATUS
SUB 46
25
TEST1
31
TEST2
6
IREF
3
ISLICE
32
KILL
64
LDON
18
LN
19
LP
59
MOT
O1
MOT
O2
60
12
R1
R2
13
54
RA
RAB 41
45 RCK
38 RESETn
22
53
CFLG
49
CL11|4
26
CL16
16
CRIN
15
CROUT
8
D1
9
D2
10
D3
11
D4
27
DA
T
A
51
DOEM
30
EF
FO
55
2
HFIN
1
HFREF
3894
7800
4R7
3800
10K
2837 47n
+10V
4
LASER
+3servo
LASER
LM358D
7804-A
3
2
1
8
2816 22n
2869 47n
470R 3838
1n5
2825
3865
1K
3854
8K2
47n
2824
47u
2801
47u
2802
+3.3V
220u
2823
47n 2841
A
11
Y
10
3851
56K
7802-E
+5V
3822
3K3
5
6
+3.3V
1801
1
2
3
4
SL
DACRIGHT_neg
M1 M2
DACLEFT_pos DACLEFT_neg
Innersw
KILL
PORE
Vref
DACRIGHT_pos
HFIN
DOBM
RA FO
Vref
SDA
SILD
SCL
Vref
Vref
Innersw
CD Part (sheet 1)
CD99 Schematic Part1 18081999
@
TDA 1308 +10V
+5V/doorsw
470R
GND
RIGHT
6877 E7
7810-A A5
7810-B C5
7875 E7
8402 C9
47n
GNDA
DATA
from
22p
TDA 1308
not stuffed
SICL
basic version w/ 5p-connector
+5V
on
7800
@
3877 C6
3878 C7
3879 C8
3880 E7
3881 E7 3882 D7
3883 D6
3884 D6
3885 E8
3886 E8 3887 E9
3888 E9
3889 E10
3900 A5
4804 A4 4805 C4
4806 E9
5802 D3
5803 E6
@
B3V9
3702
3701 100R
GND
@
SILD
not stuffed
@
LEFT
100n
COAX2/EBU
stuffed
Jumper
47p
3702 E2
3703 D3
3704 E4
3705 D3
3788 E9
3836 D10 3867 A5
3868 A5
3869 A6
3870 A6
3871 A7 3872 A8
3873 C5
3874 C5
3875 C5
3876 B6
10
1 2 3 4 5 6 7 8 9
5802
GND
3705
PORE
doorswitch
digital out circuitry (not for all versions)
SHIELD/EBU_GND
@
1R
2701
basic version w/ 6p-connector
optical out coax out
not stuffed
10
A
B
C
D
E
A
B
C
2849 C5
2850 B6
2851 C7
2852 C8
2853 E6
2854 D6 2855 D6
2856 E10
2857 E6
3701 E1
not stuffed
@
COAX1/+5V
2702
270R
33R
@
DIGout
@
@
3703 not stuffed
1 2 3 4 5 6 7 8 9
22K
not stuffed
KILL
sheet1
2703
2704
100n
D
E
1821 D10
1822 E4
1823 B10
1824 D10
2701 E2 2702 E2
2703 E4
2704 E3
2843 A5
2844 A5 2845 A6
2846 A7
2847 A8
2848 C5
+3.3V
GNDA
3900
7875
2853 10n
4K7
BC847B
GNDA
3788
1822
1
2
3
10u
2851
EH-S
GNDA
GNDA
GNDA
EBUGND
3887
10K
2848 100p
47u
2857
2703
100n
270R
3701
3889
1K
0R
3867
22K
4805
2855
220u
220p 2849
+10V
3877
10K
5803
1u
2852 470p
GNDA
+3.3V
+5V
3703
33R
3881
150R
47n
2702
10K
3885
GNDA
3872
47K
2854 220u
GNDA
10K
3886
285610n
1
2
EBUGND
GNDA
2844 220p
EH-S
1821
3871
470R
FE-ST-VK-N
1824
1
2
3
4
5
6
3876
10K
33R
3880
1K
3884
3888 4K7
5
6
7
3704
10R
1823
FE-ST-VK-N
1
2
3
4
4
GNDA
GNDA
7810-A 3
2
1
8
2843
3878
470R
100p
10K
3875
10K
3836
3870
10K
EBUGND
GNDA
22K
3874
2701 22p
0R
4806
470R
3702
5
6
7
8
4
3879
47K
10K 3868
7810-B
GNDA
4804
0R
2850
2847 470p
100n 2704
220p
7 8
1K
3883
5802
920927152B
1
2
3 4
6
22K
3873
100R 3882
10K
3869
8402
220p
2845
10u
2846
GNDA
1R
3705
GNDA
+3.3V
+5V
PORE
6877 UDZ
+3.3V
+5V
DOBM
DACRIGHT_pos
DACRIGHT_neg
DACLEFT_pos
DACLEFT_neg
+2.5V
+2.5V
+2.5V
+3.3V
KILL
SDA
SCL
SILD
+3.3V
CD Part (sheet 2)
@ ... for provision only
CD99 Schematic Part2 18081999