COMBI BOARD (AZ1055) - CIRCUIT DIAGRAM
CD PART
7-5
7-5
PCS 107 211
4V
TB=0.2ms
1300Hz Focusgain
1700Hz Trackgain
While adj. procedure
Communication
TB 10ms/Div
4V
use Service testprog step 1
slide in
slide out
not moving
1.3V
2.1V
2.9V
4V
TB 2us/Div
DISC MOTOR
PWM
Focus search
Service step 2
0.2V
+
-
0.3s
2.1V
2.1V
Adj. of TRACK BALANCE
in Servicestep 3
100mV
120Hz
TB=5ms
normal play mode
200mV
2.1V
TB=5ms
eye-pattern
TB=0,5 us/DIV
HF
surface-mount
C
provisional
P
+DECODER , +A
+LASER , +uP
CD mode
Tape mode
RADIO FM mode
...V
with mains supply
DC voltages measured
V
V
V
0.3s
-
+ 2V
Service step 2
Focus search
P
Focus
Track
SEL
RNEG
C846
C423
WDCK
LOCK
CKSEL
LOUT
LNEG
ROUT
IREF
AMPREF
CGREF
EXP2
EXP1
EST2
MSD
MCK
PWM
SCAND
CRCF
SBQS
LPF
TLC
HF
EST2
EST1
KILL
EFFK
SYCLK
SCCK
SBCO
XO
XI
CONTROL
TEST
DIGITAL VDD1
VDD FOR INTERN LOGIC
SUBCODE Q REG
SUBCODE Q CRC
SUBCODE DEMOD
MODULATOR
PWM
VDD2
DIGITAL
GND2
DIGITAL
INTERFACE
MCU
ERROR MONIT
CIRC DECODER
MEMORY CONTR
16K SRAM
DET
PHASE
DET
FREQ
VCO
HF COMPARATOR
DETECTOR
DIGITAL SILENCE
EFM TIMING GEN
DEMOD
EFM
PROTECT
SYNC DET
FILTER
DIGITAL
MUTE CONTROL
INTERPOLATION
FILTER
DE-EMPHASIS
L/R ch
LPF
1 bit D/A
SEL
SEL
SEL
ANALOG VDD
MODULATOR
FILTER
64/128fs DIG
3/4 DETECTOR
GND
ANALOG
SEL
RESET
GND1
DIGITAL
GENERAT
CLOCK
X‘tal TIMG
GENER RAT
CONTROL
CLV SERVO
CONTR
PHASE
CONTR
FREQ
WATCHDOG
COMBIBOARD / CD-PART
polco
polco
polco
DISC-DRIVE
+
MONITOR
LASER
F
E
C
D
A
B
D
C
+
MONITOR
LASER
F
E
C
D
A
B
on,off
FOCUS/ALPC
OUT
FE-
FEGain
FS-
LPF
C
2
cc
V
cc
V
cc
V
TE
TG1
TE-
SGT
F
E
C
B
A
Generator
A-B
SG
JP1
MCK
OUT
D
MSD
OUT
FS
cc
V
REF
I
I/O
SGF
Foc Adj.
Generator
FSR
C
SEARCH
APC OUT
MRC
HFI
HF detected
APC+
APC-
TG2
TS-
SS+
SS-
SLIDE
RESET
INTERFACE
SERIAL DATA
SERVO PROCESSOR
selfadjusting
BIAS
BIAS
GND
track adj.
-
+
+
-
-
+
+
-
-
+
-
+
FOCUS
MIRROR
A+B+C
HF
TS+
TC/SHOCK
ADJUST LOGIC
Signal Generator
MIRROR
DET.FILTER
TC/SHOCK
TRACK
FOC
MLA
DIS
TS
OUT
OUT
TEGain
INTERFACE
MONITOR
B
A
F
ARRAY
DIODE
MONITOR
LASER
F
E
C
D
A
B
DISC
SLIDE
M
M
INNERSWITCH
LASER CONTROL
LASER
GND
CD94V5
DA11
CN1
E
+
-
+
-
-
+
+
-
1
2
3
4
DISCDRIVE
RESET CIRCUIT
P
1811
P
P
P
P
TO FRONT BOARD
TO FRONT BOARD
MHz
MHz
INNERSWITCH
DATA
DATA
DATA
CD_RESET
CD_RESET
CLOCK
CLOCK
CLOCK
MLA
MLA
DATA_OUT
DATA_OUT
MLA/DISCHARGE
MLA/DISCHARGE
DISC
JP1/ADJ
JP1/ADJ
TRACK
SLIDE
error_flag
4,23
4,23
from 7803/20
STABILIZING CB(CD)
from REC.AMP. PART
to 7803/p36
from 1811
LASER
A+C
B+D
F
E
MONITOR
SLIDE
FOCUS
TRACK
DISC
INNERSWITCH
C423
EST1
VSS
TLC
HF
LPF
HFD
Vref
VDD2
MOD1
MOD0
MLA
CLOCK
ALCR
DATA
SBQS
HF
TRACK
from REC.AMP. PART
1626/16
CLOCK
DATA
MLA
DOOR
MOTOR DRIVER
SERVO DRIVER
to SOURCE SWITCH
T892 R17
T891 M 9
T890 N15
T871 M 5
T870 L 5
T866 Q25
T865 M25
T860 M 5
T856 C11
T855 N 5
T852 F24
T850 K24
T842 F27
T840 F27
T831 H14
T826 S28
T825 R28
T824 R28
T823 Q28
T822 P28
T821 P28
T820 O28
T819 O28
T818 O28
T817 O28
T816 L14
T815 K14
T814 K14
T812 J15
T811 I15
T810 I15
T808 J19
T807 S 7
T806 R 7
T805 S 7
T804 Q 7
T803 P 6
T802 S 7
T801 R 7
7855 E15
7854 R16
7853 N 3
7852 M 3
7851 N 2
7850 M 3
7806 Q27
7805 N27
7803 L10
7801 D20
7800 H10
6851 N 5
6850 N 3
6805 E15
6804 F13
6803 F13
6802 E15
6801 E24
6800 K25
5803 G19
5801 O23
3908 B11
3907 B11
3899 I 7
3898 P24
3897 O25
3896 F26
3895 F26
3894 E14
3893 E14
3892 S25
3891 R25
3890 E14
3889 L15
3888 K15
3887 K15
3886 R 6
3885 O13
3884 P14
3883 K23
3882 H13
3881 H13
3880 Q 9
3879 N 2
3878 F15
3877 E13
3877 P13
3874 M15
3871 C12
3870 C12
3869 G24
3868 M25
3867 M25
3866 Q23
3865 O 2
3864 N 2
3863 L 3
3862 N 3
3861 M 2
3860 M 2
3859 R15
3858 R15
3857 O 6
3856 N 9
3855 N23
3854 S25
3853 S24
3852 R25
3851 Q24
3850 O24
3849 G14
3848 K13
3847 K13
3846 O25
3845 O23
3844 O13
3843 O 4
3842 O14
3841 O14
3840 P14
3839 P14
3838 P13
3836 Q14
3835 Q16
3834 F19
3833 Q15
3831 R14
3830 S14
3829 N 9
3828 N 9
3827 N 9
3826 O 9
3825 F15
3824 O 8
3823 P 9
3822 P 9
3821 P 8
3820 Q 9
3819 Q 9
3818 G24
3817 E23
3816 E24
3815 F24
3814 I 7
3812 F18
3810 P24
3809 G23
3808 J18
3807 J19
3806 K19
3805 D25
3804 J26
3803 G24
3802 N 4
3801 M 4
3800 O16
2896 F27
2895 F27
2893 Q23
2892 M25
2891 P23
2890 E18
2881 E23
2880 E19
2876 G14
2875 R16
2874 N 5
2873 E14
2872 F15
2871 C12
2866 G19
2865 G19
2861 O 3
2860 N 5
2859 I23
2858 J 7
2857 N15
2856 I24
2855 I25
2854 I24
2853 N 3
2852 F27
2851 F27
2850 G23
2849 N14
2848 S25
2846 Q25
2844 N14
2843 Q 8
2842 H25
2841 R 9
2839 F18
2838 F18
2836 G25
2835 H13
2834 P25
2833 O16
2832 N13
2831 O14
2830 P13
2829 P14
2828 Q14
2827 Q15
2826 R13
2825 S14
2824 S13
2823 M 9
2822 M 9
2821 N 8
2820 N 8
2819 O 9
2818 P 9
2817 P 8
2816 P 8
2815 P 6
2814 Q 9
2813 J19
2812 E24
2811 F24
2810 E24
2809 F24
2808 K25
2807 K18
2806 K19
2805 K19
2804 J17
2803 N 5
2802 N25
2801 G14
2800 E19
1901 B10
1812 E 5
1811 P 5
1810 N28
1809 H14
1808 H15
1807 H15
T
T
S
S
R
R
Q
Q
P
P
O
O
N
N
M
M
L
L
K
K
J
J
I
I
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
30
30
29
29
28
28
27
27
26
26
25
25
24
24
23
23
22
22
21
21
20
20
19
19
18
18
17
17
16
16
15
15
14
14
13
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
map
2839
22p
6n8
2852
2890
100n
2826
470n
2820
47n
2834
100n
560p
2809
560p
2810
270p
2811
270p
2812
10n
2859
2857
100p
100p
2856
100p
2854
100p
2855
2848
1n
2846
1n
2806
680p
2843
5n6
2841
39p
10n
2815
2819
100n
82p
2830
2804
1n5
2817
3n3
2829
33n
2831
22n
2825
15p
39p
2814
2822
22n
2807
22p
2805
220n
2813
2n2
2838
1n
6n8
2851
2849
100p
2835
47p
2858
100p
2802
10n
2861
1n
2891
10n
100n
2873
100p
2872
100n
2876
100n
2874
2875
1n
2880
1n
4n7
2871
2844
100p
2865
22p
2866
47p
C
C
C
C
C
C
C
C
C
C
C
C
C
C
T852
T892
T890
T891
T808
T826
T825
T824
T823
T820
T822
T819
T818
T817
T821
T816
T815
T814
T812
T811
T810
T842
T840
T803
T805
T831
T807
T806
T804
T802
T801
T870
T871
T860
T855
T856
T850
T865
T866
47u
2842
10u
2850
220u
2881
1u
2801
100u
2803
2818
1u
2827
47u
2821
10u
2833
47u
2832
2u2
2823
4u7
47u
2808
2816
0.47u
2824
0.47u
2828
10u
2860
47u
2u2
2896
2u2
2895
2853
47u
47u
2836
47u
2800
2892
47u
2893
47u
3883
1M
3885
4M7
3818
1k
3803
330R
3810
8k2
3868
1R
3805
220R
3815
27k
3816
27k
3874
220R
470R
3889
470R
3888
3887
220R
3878
680R
3877
15k
3848
22k
390R
3843
3801
4R7
10R
3800
3847
22k
2k2
3865
2k2
3864
330R
3863
3k3
3862
3845
68k
3850
4k7
3846
1k
3855
27k
3853
18k
3854
1k5
3851
15k
3852
470R
3814
22k
3834
0R
3804
120R
3858
1R
3k3
3857
3859
10k
3880
1k2
3856
8k2
3835
18R
3844
56k
3823
100k
3822
27k
3821
1k5
3820
180k
3819
1M5
3824
150R
3826
6k8
3827
3k3
3828
68k
3829
47k
3840
1k
3842
68k
3841
470k
3838
100k
3836
1k
3833
27k
3831
18k
3830
15k
3808
2k7
3817
100k
3884
27k
3806
1k8
3807
33K
3802
150R
3895
4k7
3896
4k7
3812
22k
8R2
3860
8R2
3861
1M
3886
3882
10k
3881
22k
3849
100R
3869
470R
3897
470R
3898
4k7
3899
1k
3892
470R
3891
470R
3825
470R
3894
470R
3893
33k
3890
10k
3871
1k
3870
22k
22k
3879
3809
3k9
3907
10k
3908
10k
3839
680k
3877
4M7
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
PW
RC5
’
RC5
WST
MONITOR
MONITOR
KEY IN
FOCUS+
FOCUS-
TRACK-
TRACK+
CD-L
CD-R
TRACK-
TRACK+
FOCUS-
FOCUS+
CD_SYNCHRO
WST
KEY IN
RC5
RC5’
+B(CD)
+A(CD)
+A(CD)
+LASER
+M
+M
+M
+M
+B(CD)
+B(CD)
+B(CD)
+B(CD)
+A(CD)
+B(CD)
+A(CD)
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
+B(CD)
+B(CD)
+LASER
+LASER
+LASER
+B(CD)
REF_B
REF_B
REF
+M
REF_B
REF_B
+M
+B(CD)
1901
1
2
3
4
5
1812
1
2
3
4
5
6
7
8
9
6851
BZX79-F3V6
BZX79-F3V0
6801
6805
BZX79-F3V9
6850
BZX79-F3V0
BZX79-F3V0
6800
1810
1
2
3
4
5
6
3867
3R3
8R2
3866
take care of ESD
ATTENTION!
8.9V
8.9V
8.9V
8.9V
8.9V
3V
1.8V
BC547C
7853
5801
7801
M65824FP
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
1811
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
5803
8.46MHZ
1808
1
2
1809
1
2
7852
BC327/40
7850
BC327/40
7854
BC557C
7851
BC557B
7805
TDA7073A
14
10
1
2
6
7
11
3
4
13
16
9
12
5
8
15
+
-
VDD
+
-
7806
TDA7073A
14
10
1
2
6
7
11
3
4
13
16
9
12
5
8
15
+
-
VDD
+
-
6802
1N4148
6804
1N4148
6803
1N4148
7855
BC547C
1807
DOOR SWITCH
7800
TMP47C422F
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
43
44
4
5
6
7
8
9
ADC INPUT
I/O PORT
XIN
XOUT
INT1
RESET
KE0
HOLD
R82
T1
R83
SI
R90
SO
R91
SCK
R92
P50
ZIN
P51
SLOW CLOCK
I/O PORT
RAM
4-BIT CPU
LCD - DRIVER
ROM
R63
R62
R61
R60
SEG8
SEG7
SEG6
SEG5
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG15
R43
SEG1
R42
SEG2
R81
R41
SEG3
I/O PORT
VLC
R40
SEG4
T2
OUTPUT
I/O PORT
R80
COM1
PORT
SERIELL INTERFACE
INT2
R73
COM2
XOUTS
R72
COM3
XINS
R71
COM4
PULSE
VDD
R70
SEG0
VSS
AIN3
AIN2
AIN1
AIN0
Содержание AZ1050
Страница 4: ......
