Cd Part - Philips AZT9240 Service Manual

2831 E2 2835 E3 2839 E4 2843 C4 2847 B5 2851 A9
2832 E3 2836 E3 2840 E5 2844 C4 2848 B5 2852 A9
2833 E3 2837 E4 2841 E5 2845 C4 2849 C5 2853 A10
2834 E3 2838 E4 2842 E5 2846 B4 2850 A9 2854 A10
1 2 3
7800
3800
TZA1024
4R7
1.8V 1 LD 2.6V
V/I
H
2 VCCL
2.6V
RGADJ
14
V/I
2801
3 CFIL 13
0.8V VCC2
4n7
4 MON EQSEL 12
0.2V
1x
H
CDRW 11
5 DIN 4x RFEQO 10
0.7V
6 GND RFFB 9
2x
CMFB 8
H
7 PWRON
2.5V
Track+
3809
Focus+
56K 3902
Focus-
220K
7801
+2.7V
Track-
BC847BW
H
3840
33K
3839
33K
3838
33K
3837
33K
3836
27K
3835
27K
3830
+2.7V
10R
CD-DRIVE
1831
DA23-LPH
16
Focus coil 15
- +
14
Tracking coil
13
+ -
12
VR
11
MD
10
REPLACEMENT OF CD-DRIVE DA23-LPH (3103 309 05340)
solder
LD 9
joint
––––––––––––––––––––––––––––––––––––––––––––––––––––––
8 ATT: The laser diode of the DA23-LPH is protected against ESD by
7 a solder joint which shortcircuits the laser diode to ground.
For proper functionality this solder joint must be removed before
6
F
connecting the drive to the printed circuit board.
5
B
4
D
3
A
solder joint
2
C
1
E
1 16
1 2 3
2855 A10 2859 F7 2863 B7 2882 F14 2886 B14 3801 C1
2856 D10 2860 F7 2864 C2 2883 E15 2887 B12 3802 B1
2857 F6 2861 F7 2880 C11 2884 C14 2889 F12 3803 A4
2858 F6 2862 B9 2881 G14 2885 B14 3800 A1 3804 A4
4 5 6
3804
+2.7V
47R
eye-pattern signal
> 800 mVpp
1
H
TB=0.5µs
0V
0V
2847
2.5 64 2.7 63 0V 62 0V
7830
H
1.4
22n SAA7324
LDON
3810 3805 2846 3849 3851
2848 1 HFREF
0.8
VERSATILE
2805 1K 27p 1.3
4K7 4K7 1n 1K
1.4
INTERFACE
2
HFIN
4p7 3807 1
1.3
470R 3850
3
ISLICE
1.3
22K
4 VSSA1 FRONT
END
3847 H H
5 VDDA1
2.6
33R
3848
6 IREF
1.3
33K
2845
7 VRIN
VREF GEN.
1.4
47n
3841 H
8 D1
1.4
10K
3842
9 D2
1.4
10K
3843
10
D3
1.4
10K ADC
3844
11 D4
1.4
10K
3845
12 R1
1.4
10K
3846
13 R2
1.4
10K
14 VSSA2
15 CROUT
BITSTREAM DAC
1.3
5801
H
16 CRIN
VDDA2
CSTCV 1.2
33,86MHz 17 18 19
2.7V 1.3 1.3 0V
2858
3867
1n5
+2.7V
22R
LN LP
4 5 6
3805 B4 3810 B4 3833 C2 3837 D2 3841 D4 3845 D4 3849 B5
3806 C4 3830 E1 3834 C2 3838 D2 3842 D4 3846 E4 3850 B5
3807 B4 3831 C2 3835 E2 3839 D2 3843 D4 3847 C4 3851 B5
3809 C2 3832 C2 3836 D2 3840 D2 3844 D4 3848 C4 3852 A7
7 8 9
servo out or
13
disc motor cw 15
3854
3V
14 not moving
2K2
servo in or
15
13 3856
disc motor ccw
0
16
2K2
14 3858
+2.7V
2K2
+2.7V
2863 2862
+2.7A
1u 1u
61 60 1.6 59 0 58 2.7 57 1.4 56 1.3 55 1.3 54 0 53 2.7 52 51 0 50 49
CL11|4
SBSY
MOTOR OUTPUT
SFSY
EBU
STAGES
CONTROL
INTERF.
SUB
DIG.
ERROR PEAK
RCK
PLL
CORR. DET.
TEST3
ADDR
EFM
SRAM
DEMOD
STATUS
SILD
RAB
SCL
CONTROL AUDIO
FUNCTION PROCESSOR
SDA
PRE-
RESETn
PROCESSING
SCLI
SER. DATA
SDI
LOOPBACK
INTERF.
WCLI
V2|V3
VERSAT.
SER. DATA KILL
INTERF.
INTERFACE
VSSD1
KILL
20 21 22 23 24 25 26 27 28 29 30 31 32
2.7 1.3 1.4 2.7 0V 1.4 1.7 1.4 1.4 0V 0V
2861 2860 3865
3K3
1u 1n5
2859
4
3
2
47u
16,9MHz
+2.7V
A
KILL
RN RP
to AUDIO-PART
7 8 9
3853 A8 3857 A10 3861 C10 3866 C5 3870 F8 3883 E11
3854 A9 3858 A9 3862 C10 3867 F6 3880 C11 3885 G13
3855 A10 3859 A10 3863 E5 3868 F6 3881 D11 3886 G14
3856 A9 3860 C9 3865 F9 3869 F7 3882 C11 3887 F14
10 11 12
3855
Sledge
2K2
3857
Focus
2K2
3859
Radial
2K2
D
48
0V
47
SFSY to 7400
1.5
CONTROL - PART
46
+2.7V
45
+2.7V
44
43
A3
7880
42 SM5903BF 44
SILD
2.2
D
41 1
RAB
0.3 2.7V
3881 A
40 2
SCL_CD D
1.9 0V
0R
39 3
SDA_CD S_MUTE
1.7
0V
to SUPPLY PART
38 4
2.7
2.7V
5
37 5
1.4
2.6V
7 D
36 3883 A 6
D
0.9
0R
6
35 7
1.4
34 8
0.1
2.7V
33 9
1.4V
10
D
11
1.4V 12
CD10 → NPC
TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE OF CD10 AND NPC
NPC → CD10
2 5
SCLK
3 6
WCLK left channel right channel
4 7 DATA
10 11 12
3888 E15 7800 A2 7881 C12
3890 C15 7801 C3 7882 G14
3902 C3 7830 B5
5801 E5 7880 C12
13 14
24 23 22
26 25 21 19 18 17 16 15 14
D
7881B
MSM51V17405D-60TS-K
DRAM 16 MBit
for 4MBit use SM5904BF
1 10 11 12 13
2 3 4 5 6 8 9
3890
2.7V
22R
2884
RAS
A2 A1 A0 A4 A5 A6 A7 A8 A9
43 42 41 40 39 38 37 36 35 34
47p
D
33 WE
32 D1
31
D0
30 D3
29
D2
28
CAS
27 A10
26
1.9V
25
1.7V
24
0V
23
D
13 14 15 16 17 18 19
1.4 0V 0V 20 21 22 3887
D
+2.7V
22R
D 1.7V
3886
0V
7882
D
BC847BW
10K
3885
D
+2.7V
10K
DC voltages measured in
D
PLAY-mode, ESP off, DBB off
V
Set supplied via mains adaptor
13 14
15
A
B
B
+2.7V
C
D
2883
100p
D E
SCL_CD
+2.7V
YMLD
F
SDA_CD
NPC_RESET G
15