Philips AZ 2785, Руководство по обслуживанию

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4.9V
4.8V 0.2V
2.3V 2.45V
2.5V
2.5V
3.9V
2.6V
2.5V
2.5V
2.45V
2.4V
0.7V 4.9V
1.9V
4.0V
0.2V
2.5V
0.2V
eye-pattern
TB=0,5 us/DIV
HF
4.9V
5.0V
4.80V
2.70V
3.0V
3.0V
4.3V
5.0V
9V(6-13V)
9.0V
4.9V
3.3V
0V
CD97 (DA11 MK I) - CIRCUIT DIAGRAM
PCS 104 460
11-3 11-3 11-3
CN1
CD94V5
}
INNERSWITCH
M
M
SLIDE
DISC
E
CD94V5
GND
LASER
3/4 DET
X‘
TAL TIMING GEN
SEL
GEN
CLK
INTERFACE
DIG AUDIO
DIG SIL DET
HF COMPARATOR
FREQ DET PHASE DET
VCO
MCU INTERFACE
INT
DAC
4fs DIG FIL
DE-EMPH FIL
MUTE CONTR
INTERPOL
ERROR MON
CIRC DEC
MEMO CONTR
18K S RAM
MOD
PWM
SUBCODE Q reg
SUBCODE CRC
SUBCODE DEM
CLC SERV CON
CONTR
FREQ
CONTR
PHASE
SEL
DEM.
EFM
DET.
SYNCH
EFM TMG GEN.
LASER CONTROL
E F
LASER
MONITOR
DOORSWITCH
F
B
MONITOR
INTERFACE
TEGain
OUT
OUT
TS
TB 0.2us/Div
4V
4V
4V
DATA
WORD SELECT
CLOCK
176.4kHz
TB 1us/Div
8.46MHz
TB 50ns/Div
DIS
MLA
FOC TRACK
TC/SHOCK
DET.FILTER
MIRROR
Signal Generator
ADJUST LOGIC
TC/SHOCK
TS+
HF
A+B+C
MIRROR
FOCUS
+
-
+ -
-
+
+
-
-
+
+
-
track adj.
GND
BIAS
BIAS
selfadjusting
SERVO PROCESSOR
SERIAL DATA INTERFACE
RESET
SLIDE
SS-
SS+
TS-
TG2
APC-
APC+
HF detected
HFI
MRC
APC OUT
SEARCH C FSR
Generator
Foc Adj.
SGF
I/O
IREF
Vcc
FS OUT
MSD
D OUT
MCK
JP1
SG
A-B
Generator
A
B
C
E
F
SGT
TE-
TG1
TE
4V
TB 10ms/Div
Communication
4V
TB 2us/Div
DISC MOTOR
PWM
V cc V cc
V cc
2
C LPF
FS-
FEGain
FE-
OUT
FOCUS/ALPC on,off
E F
LASER
MONITOR
+
C
D
B
A
D
C
LASER
MONITOR
+
DISC-DRIVE
EMP
SYCLK
LOCK
SCAND
CRCF
SBQS
MSD
MCK
MLA
MOD0
MOD1
MOD2
VDD1
VDD2
IREF
HFD
LPF
HF
TLC
VSS2
SCCK
VSS1
EFFK
SBCO
PWM1
PWM2
LRCK3
LRCK2
LRCK1
WDCK
DSCK
CKSEL
DO2
DO1
DOTX
XO
XI
EST1
EST2
C423
C846
RESET
CD_R
CD_L
A
DIODE ARRAY
ITEM CD94V5 DA 11
3827
3828
3829
3853
3855
2841
1k5
12k
33k
15k
33k
100p
3k3
68k
47k
18k
27k
39p
*) changed values only for drive DA11
CLOCK CLOCK
CLOCK
CLOCK
MLA/DISCHARGE
MLA/DISCHARGE
JP1/ADJUST
JP1/ADJUST
RESET
RESET
DATA-OUT
DATA-OUT
MLA
MLA
MOD1
MOD1
MOD0
MOD0
DATA
DATA
DATA
SBQS
SBQS
map
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
A A
B B
C C
D D
E E
F F
G G
H H
I I
J J
K K
L L
M M
N N
O O
P P
Q Q
R R
S S
1300 F29
1800 F11
1801 G31
1802 Q 5
1803 D11
1804 L26
1805 D 8
2802 J20
2803 F17
2804 H16
2805 H18
2806 G18
2807 H17
2808 J27
2809 H28
2810 G28
2811 I29
2812 H29
2813 I18
2814 N 7
2815 M 6
2816 N 7
2817 M 7
2818 M 8
2819 M 7
2820 L 7
2821 K 7
2822 K 8
2823 J 8
2824 P12
2825 P13
2826 O12
2827 O14
2828 N13
2829 M13
2830 M12
2831 M13
2832 L12
2833 L13
2834 L23
2835 J23
2836 C18
2837 I26
2838 G18
2839 P20
2840 J28
2841 O 8
2842 J24
2843 N 7
2844 J12
2846 P23
2848 P19
2849 E18
2850 O14
2860 O16
2865 N 7
2866 K22
2867 L22
2868 N23
2869 N24
2870 I21
2871 K19
2872 L19
2873 L20
2874 N20
2875 N21
2876 P22
2877 Q22
2878 R23
2879 S23
2880 S24
2881 Q19
2882 R20
2883 S20
2884 S21
2885 R20
2886 R21
2887 R23
2888 R24
2889 M20
2890 M21
2891 M23
2892 M24
3801 A18
3802 G18
3803 H18
3805 I29
3806 H18
3807 H18
3808 H17
3809 H29
3810 C16
3811 C15
3812 C15
3814 J28
3815 H30
3816 G30
3817 H28
3818 G28
3819 O 8
3820 N 8
3821 N 8
3822 M 7
3823 M 8
3824 M 8
3826 L 8
3827 L 8
3828 K 8
3829 K 8
3830 P12
3831 P13
3832 P13
3833 O13
3835 O14
3836 O13
3837 N12
3838 M12
3839 N12
3840 M13
3841 M12
3842 M13
3844 L12
3845 D23
3846 J20
3847 D23
3848 J23
3849 L14
3850 M23
3851 P18
3852 O23
3853 I18
3854 O20
3855 J18
3856 L 8
3857 M 5
3858 O14
3859 O13
3860 N 8
3870 N16
3871 J28
3880 E13
3881 F13
3882 H13
3883 G13
3884 M13
3886 Q 6
3887 I21
3888 M 7
3889 M 8
3890 E13
3891 E13
3892 E13
3893 G13
3894 G13
3895 H13
3896 G23
3897 G24
3898 G24
3899 F13
3900 M22
3901 M23
3902 M24
3903 J23
3904 I21
3905 M20
3906 M19
3907 J20
3908 M20
3909 M21
3910 O23
3911 R23
3912 R22
3913 R23
3914 R24
3915 O20
3916 R20
3917 R19
3918 R20
3919 R21
3920 K18
3921 L18
5000 G30
5010 G30
5020 G30
5030 H30
5040 H11
5050 H11
5060 B18
5803 G22
6000 E10
6001 J27
7801 B19
7802 F25
7803 J 9
7804 O14
7805 K22
7806 K20
7807 I28
7808 P20
7809 P22
9000 G10
9001 G29
9002 N 8
T801 P 7
T802 P 7
T803 N 5
T804 O 7
T805 Q 7
T806 O 7
T807 P 7
T814 L26
T815 L26
T816 L26
T817 M26
T818 M26
T819 M26
T820 H11
T821 H11
T822 G11
T823 G11
T824 G11
T825 F11
T826 F11
T827 F11
T828 E11
T829 E11
T830 E11
T831 E 9
T832 N14
T833 O15
T836 R26
T837 Q26
T838 Q26
T839 P26
T840 H30
T841 H30
T842 G30
T843 G30
T844 G30
T845 G30
T846 J 8
T847 O15
2
0
8
1
o
t
*) changed values only for drive DA11
*)
*)
*)
*)
3871
#
#
#
#
# provisional
#
#
# #
* provided for AZ1602/AZ1607
+ provided for ESD-reasons
+
5040
3812
3811
3810
INNERSWITCH
7807
INNERSWITCH
3801
3849
3857
+5V to:
to 7805,7806
M65821FP
TRACK
to 7803 pin 36
from 1802
right
out
left out
HF
SBQS
DATA
ALCR
CLOCK
MLA
MOD0
MOD1
VDD2
Vref
HFD
LPF
HF
TLC
VSS
EST1
C423
CLOCK
WORD SELECT
DATA
TRACK
SLIDE
3870
3814
*
FOCUS
22K
3855
22K
3851
6K8
3853
2K2
3846
2K2
3907
15K
3905
1%
22R 3908 33K 3906
1%
22R 3909 47K 3900
1%
2K2
3854
2K2
3915
15K
3916
1%
22R
3918
33K
3917
1% 22R
3919
33K
3912 1%
15K
3904 1%
18k
3920 1%
15K 3921 1%
22R
3914
22R
3913
15K
3911
1%
2K2
3852
2K2
3910
2K2
3848
2K2
3903
22K
3850
1%
22R 3901 22R 3902
3871
100
3814
4k7
3805
47k
3809
47k
3898
2k2
3897
2k2
3896
2k2
3816
1k
3815
1k
1k
3895
1k
3894
1k
3893
1k
3892
1k
3891
1k
3890
3810 22k 3811 22k 3812 22k
3845
22k 22k
3847
3802
180K
3807
33K
3806
2K2
3884
39k
3817
470E
3818
470E
3808
2k7
3830
15k
3832
390
3831
18k
3833
27k
3836
1k
3838 100k
3837
4M7
3839
1M
3841 680k 3842
68k
3840
1k
3829
33k
3828
12k
3827
1k5
3826
6k8
3824
150
3819
1M5
3821
1k5
3822
27k
3823
100k
3844
56k
3835
18E
3856
8k2
3860
1k2
3859
10k
3803
3M3
1M
3886
3k3 3857
3858
1E
1k
3899
3820 180k
3889
5k6
3888
12k
1k
3880
1k
3881
1k
3883
1k
3882
820R
3887
220n 2892 220n 2891 220n 2890 220n 2889
220n 2888 220n 2887 220n 2886 220n 2885
1n5
2802
220p 2871
220p 2872
220n 2874 220n 2875
1n
2866
1n
2867
1n5
2839
220p 2848
220p 2881
220n 2883 220n 2884
220p 2877
220p 2876
100n
2870
220n 2880 220n 2879
1n5
2846
10n
2835
100n
2834
220n 2868 220n 2869
2820
47n
2813
2n2
2805
560N
2807
22p
2844 220p
2822
22n
39p 2814
150p 2812
150p 2811
2825
15p
2831
22n
2829
33n
2817
3n3
2804
1n5
82p
2830
2819
100n
100n 2815
2841 100p
2806
470P
22n
2837
2849
220p
100n
2850
2803
22n
2843 5n6
2838 100n
100n
2873
1n5
2882
1n5
2878
PW
PW
PW PW
PW
PW PW
PW
PW
PW PW
PW
PW PW
PW
PW
PW
A
A
PW
PW
PW
A
A
PW
PW
PW
PW
PW
PW
A
PW
A
A
A
PW
PW
PW
PW
PW PW
PW
PW
A PW
PW
PW
PW
PW
PW
PW
PW
VCC
VCC
MREF
REF
+Servo
MREF
MREF
REF
+Servo
REF
MREF
REF
MREF
REF
+Servo
+Servo
+5V
+5V
+5V
+5V
+5V
+Servo
+5V
REF
REF
+5V
REF REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
+5V
REF
REF
T838
T839
T837
T836
T815
T819
T818
T817
T816
T814
T847
T832
T833
T827
T826
T801
T802
T804
T806
T807
T831
T805
T803
T820
T821
T822
T823
T824
T828
T829
T825
T830
T840
T842
T843
T845
T841
T844
T846
TRACK+
TRACK-
FOCUS-
FOCUS+
FOCUS+
FOCUS-
TRACK+
TRACK-
MONITOR
MONITOR
1804
1
2
3
4
5
6
1801
1
2
3
4
5
6
470u 2842
2860
47u
100u 2840
470u 2836
2828
10u
2826
0.47u
2824
0.47u
2816
0.47u
220u 2808
1u
2809
1u
2810
2823
4u7
2832
2u2
2833
47u
2821
10u
2827
47u
2818
1u
2865
0.22u
7806
4
6
5
8
7
3
1
2
TCA0372DP1
-
+
+
-
VCC
GND
7808
4
6
5
8
7
3
1
2
TCA0372DP1
-
+
+
-
VCC
GND
7809
4
6
5
8
7
3
1
2
TCA0372DP1
-
+
+
-
VCC
GND
7805
4
6
5
8
7
3
1
2
TCA0372DP1
-
+
+
-
VCC
GND
9002
9000
9001
6001
1N4148
5050
ferrite bead
5030
ferrite bead
5060 100u
5000
ferrite bead
5010
ferrite bead
5020
ferrite bead
5040
ferrite bead
1800
1
2
3
4
5
6
7
8
9
1803
1
2
3
4
5
BZX79C5V6
6000
1802
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
4E7
3849
4E7 3801
4E7
3870
BC548C
7807
1300
T630mA
5803
8.46MHZ
7801
10
11
12
13
14
15
16
17
18
19
1
20
21 22
23
24
25
26
27
28
29
2
30
31
32
33
34
35
36
37
38
39
3 40
41
42
4
5
6
7
8
9
7803
40
39
38
37
36
35
34
33
42
41
25
26
27
28
29
30
31
32
17
19
18
20
21 22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
M62475FP
TDA1311A/N2
7802
5 4
1
2
3
8
6
7
AND
TIMING
DIVIDER
CONTROL
FREQUENCY
GND
LEFT
RIGHT
CHANNEL
CHANNEL
REGISTER
REGISTER
REF
VDD
11k
V
WS
DATA
BCK
Iref
Ior
Iol
Continuous Calibration DAC
1805
1
2
7804
BC558C
Servo IC are changed from
TDA7073A to TCA0372DP1.