COMBI BOARD (AZ1050) - CIRCUIT DIAGRAM
CD PART
7-3
7-3
PCS 107 209
P
P
P
P
1811
P
RESET CIRCUIT
DISCDRIVE
+LASER , +uP
+DECODER , +A
4
3
2
1
E
CN1
CD94V5
CD94V5
GND
LASER
LASER CONTROL
INNERSWITCH
M
M
SLIDE
DISC
B
A
D
C
E
F
LASER
MONITOR
DIODE
ARRAY
F
A
B
MONITOR
INTERFACE
TEGain
OUT
OUT
TS
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
I
REF
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
V cc
V cc
Vcc
2
C
LPF
FS-
FEGain
FE-
OUT
FOCUS/ALPC
on,off
B
A
D
C
E
F
LASER
MONITOR
+
C
D
B
A
D
C
E
F
LASER
MONITOR
+
DISC-DRIVE
polco
polco
polco
FRONTBOARD
COMBIBOARD / CD-PART
PWM
DISC MOTOR
TB 2us/Div
4V
WATCHDOG
FREQ
CONTR
PHASE
CONTR
CLV SERVO
CONTROL
RAT
GENER
X‘tal TIMG
CLOCK
GENERAT
DIGITAL
GND1
RESET
SEL
ANALOG
GND
3/4 DETECTOR
64/128fs DIG
FILTER
MODULATOR
ANALOG VDD
SEL
SEL
SEL
1 bit D/A
LPF
L/R ch
DE-EMPHASIS
FILTER
INTERPOLATION
MUTE CONTROL
DIGITAL
FILTER
SYNC DET
PROTECT
EFM
DEMOD
EFM TIMING GEN
DIGITAL SILENCE
DETECTOR
HF COMPARATOR
VCO
FREQ
DET
PHASE
DET
16K SRAM
MEMORY CONTR
CIRC DECODER
ERROR MONIT
MCU
INTERFACE
DIGITAL
GND2
DIGITAL
VDD2
PWM
MODULATOR
SUBCODE DEMOD
SUBCODE Q CRC
SUBCODE Q REG
VDD FOR INTERN LOGIC
DIGITAL VDD1
TEST
CONTROL
XI
XO
SBCO
SCCK
SYCLK
EFFK
KILL
EST1
EST2
HF
TLC
LPF
SBQS
CRCF
SCAND
PWM
MCK
MSD
EST2
EXP1
EXP2
CGREF
AMPREF
IREF
ROUT
LNEG
LOUT
CKSEL
LOCK
WDCK
C423
C846
RNEG
SEL
2.1V
0.3s
-
+ 0.2V
Service step 2
Focus search
TB=5ms
2.1V
200mV
normal play mode
TB=5ms
120Hz
100mV
in Servicestep 3
Adj. of TRACK BALANCE
2.1V
2.9V
2.1V
1.3V
not moving
slide out
slide in
use Service testprog step 1
While adj. procedure
1700Hz Trackgain
1300Hz Focusgain
TB=0.2ms
4V
Focus search
Service step 2
2V
+
-
0.3s
Track
Focus
SHUFFLE
PROGRAM
REPEAT
ALL
A
F
B
G
E
D
C
1
2
pin
P
v
provisional
P
DISC
SLIDE
FOCUS
TRACK
DATA
DATA
DATA
4_23MHz
4_23MHz
CD_RESET
CD_RESET
CLOCK
CLOCK
CLOCK
MLA
MLA
DATA_OUT
DATA_OUT
MLA/DISCHARGE
MLA/DISCHARGE
JP1/ADJ
JP1/ADJ
error_flag
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
31
31
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
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
1800 E 4
1801 F 4
1802 G 4
1803 G 4
1804 H 4
1807 F15
1808 E14
1809 E14
1810 L28
1811 M 5
1812 B 5
1813 B 5
1820 B 2
2800 B19
2801 D14
2803 L 4
2804 G17
2805 H18
2806 H19
2807 H18
2808 H25
2809 C24
2810 C24
2811 C24
2812 C24
2813 H18
2814 N 8
2815 M 6
2816 N 8
2817 M 8
2818 M 8
2819 M 9
2820 L 8
2821 K 8
2822 K 9
2823 J 9
2824 P13
2825 P14
2826 O13
2827 O15
2828 N14
2829 M14
2830 M13
2831 M14
2832 L13
2833 L15
2835 E13
2836 D24
2838 D17
2839 D18
2841 P 8
2842 E25
2843 N 8
2844 L14
2849 L14
2850 D23
2851 D27
2852 C27
2853 L 3
2854 F24
2855 F24
2856 F24
2857 L14
2858 G 6
2859 F23
2860 K 4
2861 L 2
2871 A 6
2872 C14
2873 B14
2874 L 5
2875 O16
2876 D13
2880 B18
2881 B23
2890 B18
2892 K27
2893 N27
2895 D27
2896 C27
2900 K25
2901 N25
2902 N25
2903 Q25
2904 K25
2905 M25
2906 O25
2907 Q25
3800 L16
3801 K 4
3802 K 4
3803 D24
3804 H25
3805 B25
3806 H19
3807 H19
3808 G17
3809 D23
3812 C17
3814 F 7
3815 D23
3816 C23
3817 B23
3818 D24
3819 O 9
3820 N 9
3821 N 8
3822 M 8
3823 M 9
3824 M 8
3825 D15
3826 L 9
3827 L 9
3828 K 9
3829 K 9
3830 P13
3831 P13
3833 O15
3834 D18
3835 O16
3836 O14
3837 N13
3838 M13
3839 N13
3840 M14
3841 M13
3842 M14
3843 L 3
3844 L13
3847 H13
3848 H13
3849 E13
3856 L 9
3857 M 6
3858 O15
3859 O15
3860 J 2
3861 K 2
3862 K 2
3863 J 3
3864 L 1
3865 L 1
3866 N26
3867 J27
3869 E24
3870 A 7
3871 A 6
3872 E 3
3873 F 3
3874 K14
3875 G 3
3876 H 3
3877 C13
3878 C15
3879 L 2
3880 N 9
3881 F13
3882 F13
3883 H23
3884 M14
3885 M13
3886 O 6
3887 I14
3888 I14
3889 I14
3890 B13
3893 C13
3894 C14
3895 D26
3896 C26
3899 F 6
3900 N24
3901 Q24
3902 N24
3903 K24
3904 K25
3905 P24
3906 N25
3907 N25
3908 Q25
3909 M24
3910 M24
3912 K24
3913 L24
3914 N25
3915 O24
3916 Q24
3917 N24
5803 E19
6800 H25
6801 B23
6802 B15
6803 C13
6804 C13
6805 B15
6850 L 3
6851 L 5
7800 F10
7801 B20
7803 J 9
7805 L26
7806 O26
7850 J 2
7851 K 2
7852 J 3
7853 L 3
7854 O16
7855 C15
T801 P 7
T802 P 7
T803 M 5
T804 O 7
T805 P 7
T806 O 7
T807 Q 7
T808 G19
T810 F15
T811 G15
T812 G15
T814 H14
T815 I14
T816 I14
T817 L28
T818 L28
T819 L28
T820 M28
T821 M28
T822 M28
T823 O28
T824 P27
T825 P27
T826 P28
T831 E14
T840 D27
T842 C27
T850 H24
T852 D24
T855 L 5
T856 A 6
T860 K 5
T865 K26
T866 N27
T870 I 4
T871 J 4
T890 L15
T891 J 9
T892 O17
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
to SOURCE SWITCH
DOOR
MLA
DATA
CLOCK
1626/16
from REC.AMP. PART
TABLE
DISPLAY CONNECTION
1D
2A
2B
2C
SHUFFLE
2G
2D
PROGRAM
2F
2E
1A
1B
1C
ALL
1G
REPEAT
1F
1E
COM3
COM2
COM1
COM3
COM2
COM1
9
8
7
6
5
4
3
2
1
COM3
COM2
COM1
TRACK
HF
SBQS
DATA
ALCR
CLOCK
MLA
MOD0
MOD1
VDD2
Vref
HFD
LPF
HF
TLC
VSS
EST1
C423
INNERSWITCH
DISC
TRACK
FOCUS
SLIDE
MONITOR
E
F
B+D
A+C
LASER
from 1811
to 7803/p36
from REC.AMP. PART
To RESET CIRCUIT
KEY IN
GND
LCD4
LCD5
LCD6
LCD7
LCD8
LCD9
STABILIZING CB(CD)
DOOR SWITCH
Vref
REF
REF
Vref2
Vref2
Vref
V62475
+M
+M
+B(CD)
+LASER
+LASER
+LASER
+B(CD)
+B(CD)
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
+A(CD)
+B(CD)
+A(CD)
+B(CD)
+B(CD)
+B(CD)
+B(CD)
+M
+M
+M
+M
+LASER
+A(CD)
+A(CD)
+B(CD)
3917
15k
1%
3910
15k
1%
3909
15k
1%
3902
6k8
1%
3903
22k
1%
3900
22k
1%
3901
6k8
1%
3916
15k
1%
3908
15k
1%
3914
15k
1%
3906
15k
1%
3907
15k
1%
3915
22k
1%
3913
15k
1%
3905
6k8
1%
3809
3k9
22k
3879
3870
22k
3871
1k
3890
10k
3893
33k
3894
470R
3825
470R
3899
1k
3869
470R
3849
100R
3881
22k
3882
10k
1M
3886
8R2
3861
8R2
3860
3812
22k
3896
4k7
3895
4k7
3802
150R
3807
33K
3806
1k8
3884
27k
3817
100k
3808
2k7
3830
15k
3831
18k
3833
27k
3836
1k
3838
100k
3837
4M7
3839
680k
3841
470k
3842
68k
3840
1k
3829
47k
3828
68k
3827
3k3
3826
6k8
3824
150R
3819
1M5
3820
180k
3821
1k5
3822
27k
3823
100k
3844
56k
3835
18R
3856
8k2
3880
1k2
3859
10k
3k3
3857
3858
1R
3804
120R
3834
100R
3814
22k
3872
39k
3873
22k
3875
2k2
3876
4k7
3k3
3862
330R
3863
2k2
3864
2k2
3865
3847
22k
10R
3800
3801
4R7
390R
3843
3848
22k
3877
15k
3878
680R
3887
220R
470R
3888
470R
3889
3874
220R
3816
27k
3815
27k
3805
220R
3803
330R
3818
1k
3885
4M7
3883
1M
3904
15k
1%
3912
22k
1%
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
2907
220p
2905
100n
2906
220p
2844
100p
4n7
2871
2880
1n
2875
1n
100n
2874
100n
2876
100p
2872
100n
2873
2861
1n
2858
100p
2835
100p
2849
100p
6n8
2851
2838
1n
2813
22n
2805
220n
2807
22p
2822
22n
39p
2814
2825
15p
2831
22n
2829
33n
2817
3n3
2804
1n5
82p
2830
2819
100n
10n
2815
2841
39p
2843
5n6
2806
680p
2839
22p
100p
2855
100p
2854
100p
2856
2857
100p
10n
2859
270p
2812
270p
2811
560p
2810
560p
2809
2820
47n
2826
470n
2890
100n
6n8
2852
2900
220p
2901
220p
2903
220p
2902
220p
2904
100n
LA6530
7805
VIN2-
OUT_3
GND
GND
OUT_4
VBOUT
VBIN
Vcc
MUTE
OUT_1
GND
GND
OUT_2
VIN1-
VIN1+
VIN2+
8
6
7
5
4
3
2
1
+
-
-
+
+
-
+
-
-
+
9
11
12
13
14
15
16
10
Amp1
Amp2
BUF
Amp3
Amp4
LA6530
7806
VIN2-
OUT_3
GND
GND
OUT_4
VBOUT
VBIN
Vcc
MUTE
OUT_1
GND
GND
OUT_2
VIN1-
VIN1+
VIN2+
8
6
7
5
4
3
2
1
+
-
-
+
+
-
+
-
-
+
9
11
12
13
14
15
16
10
Amp1
Amp2
BUF
Amp3
Amp4
1810
1
2
3
4
5
6
1u
2800
47u
2836
2853
47u
2u2
2895
2u2
2896
2860
47u
2828
10u
2824
0.47u
2816
0.47u
47u
2808
2823
4u7
2832
2u2
2833
47u
2821
10u
2827
47u
2818
1u
47u
2803
1u
2801
2892
47u
2893
47u
220u
2881
10u
2850
47u
2842
BZX79-F3V0
6800
6850
BZX79-F3V0
6805
BZX79-F3V9
BZX79-F3V0
6801
6851
BZX79-F3V6
8R2
3866
3867
4R7
T866
T865
T850
T856
T855
T860
T871
T870
T801
T802
T804
T806
T807
T831
T805
T803
T840
T842
T810
T811
T812
T814
T815
T816
T821
T817
T818
T819
T822
T820
T823
T824
T825
T826
T808
T891
T890
T892
T852
1.8V
3V
8.9V
8.9V
8.9V
8.9V
8.9V
ATTENTION!
take care of ESD
DC voltages measured
with mains supply
...V
RADIO FM mode
Tape mode
CD mode
V
V
V
KEY IN
WST
WST
CD_SYNCHRO
FOCUS+
FOCUS-
TRACK+
TRACK-
CD_R
CD_L
TRACK+
TRACK-
FOCUS-
FOCUS+
KEY IN
MONITOR
MONITOR
HF
eye-pattern
TB=0,5 us/DIV
BC548C
7853
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
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
1811
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
5803
8.46MHZ
1809
1
2
1808
1
2
7851
BC558B
7854
BC558C
7850
BC327/40
7852
BC327/40
6803
1N4148
6804
1N4148
6802
1N4148
7855
BC548C
1820
1
2
3
4
5
6
7
8
9
1807
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
1813
10
11
1
2
3
4
5
6
7
8
9
1812
10
11
1
2
3
4
5
6
7
8
9
STOP
1800
PLAY
1801
PB-MODE
1802
PREVIOUS
1803
NEXT
1804
Содержание AZ1050
Страница 4: ......
