Philips AZ 2558 Service Manual page 26

MP3 BOARD - CIRCUIT DIAGRAM
1800 C1 1800 C1 1800 C1 2816 F10 2816 F10 2816 F10 2823 B11 2823 B11 2823 B11 2831 F12 2831 F12 2831 F12 2838 G4 2838 G4 2838 G4 2863 B7 2863 B7 2863 B7
1801 G1 1801 G1 1801 G1 2817 E9 2817 E9 2817 E9 2825 B12 2825 B12 2825 B12 2832 F6 2832 F6 2832 F6 2839 H4 2839 H4 2839 H4 2864 C7 2864 C7 2864 C7
1810 B10 1810 B10 1810 B10 2818 D9 2818 D9 2818 D9 2826 A14 2826 A14 2826 A14 2833 E4 2833 E4 2833 E4 2840 H4 2840 H4 2840 H4 2865 C7 2865 C7 2865 C7
2812 D9 2812 D9 2812 D9 2819 B10 2819 B10 2819 B10 2827 C14 2827 C14 2827 C14 2834 G6 2834 G6 2834 G6 2841 D6 2841 D6 2841 D6 2866 B7 2866 B7 2866 B7
2813 E9 2813 E9 2813 E9 2820 B10 2820 B10 2820 B10 2828 C14 2828 C14 2828 C14 2835 F4 2835 F4 2835 F4 2860 A7 2860 A7 2860 A7 2869 E3 2869 E3 2869 E3
2814 E9 2814 E9 2814 E9 2821 B10 2821 B10 2821 B10 2829 G14 2829 G14 2829 G14 2836 F4 2836 F4 2836 F4 2861 A7 2861 A7 2861 A7 2870 A8 2870 A8 2870 A8
2815 E10 2815 E10 2815 E10 2822 B11 2822 B11 2822 B11 2830 G13 2830 G13 2830 G13 2837 F4 2837 F4 2837 F4 2862 G4 2862 G4 2862 G4 2871 A8 2871 A8 2871 A8
1 1 1 2 2 2 3 3 3
+5V_HF
A A A
7811-A
3
8
LM358D
1
2
4
B B B
C C C
CD Drive CD Drive VrefCD10
1800
MP847
VREF VREF 16
E E
VCC VCC
15
+5V_HF
B B
E E 14
C C A A
D D 13
D D D
D D
A A
12
F F
B B 11
C C 10
F F
9
47n 2869
GND GND 8
MP848
L L
7 3866
LD LD
MP849
ESD sensitive lines! ESD sensitive lines!
6 4R7
GND GND MP850
E E E
L L
5 3872
MON MON MP851
4 100R
F+ F+
MP852
(2K7)
3
T+ T+ MP853
16 + +
T- T- 2
MP854
3
FOCUS FOCUS
1
F- F- MP855
14
FMN
_ _
1 13
MP856
- -
F F F
SLIDE SLIDE
2
MP857
+ +
3 12
MP858
- -
_ _
DISC DISC 4
MP859 4
+ + TRACK TRACK
10
1801
EH-B 9 + +
side entry connector side entry connector
outputs 7808
G G G
T = 1 s
during Focus search
16
+ +
3
SLIDE SLIDE
14
_ _
13
12
_ _
4
DISC DISC
H H H 8401
10
9
C-PAD + +
shielding # shielding #
1 1 1 2 2 2 3 3 3
9 - 1
2872 B8 2872 B8 2872 B8 2879 E6 2879 E6 2879 E6 3802 A7 3802 A7 3802 A7 3809 A8 3809 A8 3809 A8 3816 C7 3816 C7 3816 C7 3823 E5 3823 E5 3823 E5
2873 B8 2873 B8 2873 B8 2880 E6 2880 E6 2880 E6 3803 A7 3803 A7 3803 A7 3810 B8 3810 B8 3810 B8 3817 D3 3817 D3 3817 D3 3824 D6 3824 D6 3824 D6
2874 C8 2874 C8 2874 C8 2881 F7 2881 F7 2881 F7 3804 B7 3804 B7 3804 B7 3811 B8 3811 B8 3811 B8 3818 D4 3818 D4 3818 D4 3825 D6 3825 D6 3825 D6
2875 C8 2875 C8 2875 C8 2882 F7 2882 F7 2882 F7 3805 B7 3805 B7 3805 B7 3812 C8 3812 C8 3812 C8 3819 D4 3819 D4 3819 D4 3826 D6 3826 D6 3826 D6
2876 E7 2876 E7 2876 E7 2883 F8 2883 F8 2883 F8 3806 C7 3806 C7 3806 C7 3813 C6 3813 C6 3813 C6 3820 D5 3820 D5 3820 D5 3827 E6 3827 E6 3827 E6
2877 D4 2877 D4 2877 D4 2884 F8 2884 F8 2884 F8 3807 A8 3807 A8 3807 A8 3814 C6 3814 C6 3814 C6 3821 D4 3821 D4 3821 D4 3828 E6 3828 E6 3828 E6
2878 D5 2878 D5 2878 D5 3801 A7 3801 A7 3801 A7 3808 A8 3808 A8 3808 A8 3815 C6 3815 C6 3815 C6 3822 D5 3822 D5 3822 D5 3829 A11 3829 A11 3829 A11
4 4 4 5 5 5 6 6 6
MP800
MP802
MP803
MP804
MP805
MP806
Laser power control Laser power control
U >400mV
MP818
->Laser damaged !
3820 MP877
MP861
+5V_HF +5V
+3.3V
4R7
4V9
4V1
MP862
7811-B
5
8 0V3
LM358D
0V25
3823
7
7879 3V5
L L
BC807-40
MP837 3V3
1K 6
0V3
2V1 4 0V25
MP824
7808
TDA7073A
Vref
FOCUS FOCUS 3848 3847
1
- -
33K
2 47K
1V6 3841 3R3
for Micro sets for Micro sets
+ +
15
MP870
3836
11
+10V D D
+t +t
5
10V 2836 47u for CD-RCR for CD-RCR
VDD VDD PTH8
2837 47n
3852 3851
6
+ +
5001
TRACK TRACK 33K 47K
7
1V6
- -
Vref
8
D D
7809
TDA7073A
3856
SLIDE SLIDE
220K
1
- -
2 1V6
+ + Vref
+3.3V
15
3863
MP873
+10V
11
2840
3R3
5
10V
VDD VDD
100K M1 M1
6 47u
+ +
3859
7
DISC ACCELERATE DISC ACCELERATE
- -
D D
3853 1K8 (1K5)
8
M2 M2
3861
100K
DISC BRAKE DISC BRAKE
D D
3862 1K
(820R)
4 4 4 5 5 5 6 6 6
3830 E7 3830 E7 3830 E7 3837 C14 3837 C14 3837 C14 3846 F11 3846 F11 3846 F11 3853 H5 3853 H5 3853 H5 3861 H5 3861 H5 3861 H5 3889 B12 3889 B12 3889 B12 3896 E9 3896 E9 3896 E9
3831 C14 3831 C14 3831 C14 3839 D14 3839 D14 3839 D14 3847 E6 3847 E6 3847 E6 3854 F5 3854 F5 3854 F5 3862 H5 3862 H5 3862 H5 3890 B13 3890 B13 3890 B13 3897 E10 3897 E10 3897 E10
3832 C14 3832 C14 3832 C14 3841 F5 3841 F5 3841 F5 3848 F6 3848 F6 3848 F6 3855 F11 3855 F11 3855 F11 3863 H4 3863 H4 3863 H4 3891 D8 3891 D8 3891 D8 3898 E9 3898 E9 3898 E9
3833 A10 3833 A10 3833 A10 3842 G14 3842 G14 3842 G14 3849 D14 3849 D14 3849 D14 3856 G6 3856 G6 3856 G6 3866 E3 3866 E3 3866 E3 3892 D8 3892 D8 3892 D8 3899 F9 3899 F9 3899 F9
3834 B14 3834 B14 3834 B14 3843 G14 3843 G14 3843 G14 3850 E5 3850 E5 3850 E5 3858 G5 3858 G5 3858 G5 3872 E3 3872 E3 3872 E3 3893 D9 3893 D9 3893 D9 3901 F7 3901 F7 3901 F7
3835 B14 3835 B14 3835 B14 3844 G13 3844 G13 3844 G13 3851 F6 3851 F6 3851 F6 3859 H5 3859 H5 3859 H5 3878 B13 3878 B13 3878 B13 3894 D9 3894 D9 3894 D9 3902 E7 3902 E7 3902 E7
3836 F5 3836 F5 3836 F5 3845 D14 3845 D14 3845 D14 3852 F6 3852 F6 3852 F6 3860 H6 3860 H6 3860 H6 3888 E15 3888 E15 3888 E15 3895 D10 3895 D10 3895 D10 3903 F8 3903 F8 3903 F8
7 7 7 8 8 8 9 9 9 10 10 10
3801 3807
R2 (CD10) R2 (CD10)
22K 10K
(39K)
HF HF DA DA
3802 3808
R1 (CD10) R1 (CD10)
22K 10K
(39K)
only if only if
quartz used quartz used
HF HF DA DA
3803 3809
D4 (CD10) D4 (CD10) D D
27K 10K
(47K)
1810 CST
DA DA
3804 3810
D3 (CD10) D3 (CD10)
27K 10K
(47K)
8M467
HF HF DA DA
3805 3811
D2 (CD10) D2 (CD10)
27K 10K
(47K)
D D
HF HF DA DA
3806 3812
D1 (CD10) D1 (CD10)
10K
27K
(47K)
HF HF AD AD
+3.3V
EYE-PATTERN
VrefCD10 3893 MP809
470R
2V5
>800mVpp
3895
27K
3896 MP844
TB = 0.5us/div
+5V_HF +3.3V 100R
MP884
3830
2876
220u
2813 3898
HFIN
6n8 180R
7876
2883 3903 3904
(4n7) (220R)
2V5
BC847B
2816
3901 3K3 3K3
1V7 470n
22n
560R
1V
470R
3899 MP896
3906
0V8 for CD_RW: 3V for CD_RW: 3V
2881 0V 2K7 for CD_DA: 0V for CD_DA: 0V
2V9 7878
560p
BC847B
0V7
7877
BC847B
HF-Amplifier HF-Amplifier
MP825
7 7 7 8 8 8 9 9 9 10 10 10
9 - 1
3904 F8 3904 F8 3904 F8 3916 C14 3916 C14 3916 C14 7811-B D5 7811-B D5 7811-B D5 MP802 A3 MP802 A3 MP802 A3 MP810 B13 MP810 B13 MP810 B13 MP827 A10 MP827 A10 MP827 A10
3905 E8 3905 E8 3905 E8 3917 G12 3917 G12 3917 G12 7876 F7 7876 F7 7876 F7 MP803 A3 MP803 A3 MP803 A3 MP812 A12 MP812 A12 MP812 A12 MP828 A11 MP828 A11 MP828 A11
3906 F8 3906 F8 3906 F8 5001 F5 5001 F5 5001 F5 7877 G8 7877 G8 7877 G8 MP804 B3 MP804 B3 MP804 B3 MP817 A13 MP817 A13 MP817 A13 MP830 A13 MP830 A13 MP830 A13
3907 F7 3907 F7 3907 F7 7800 C12 7800 C12 7800 C12 7878 F9 7878 F9 7878 F9 MP805 B3 MP805 B3 MP805 B3 MP818 C6 MP818 C6 MP818 C6 MP831 G13 MP831 G13 MP831 G13
3908 F8 3908 F8 3908 F8 7808 E3 7808 E3 7808 E3 7879 E4 7879 E4 7879 E4 MP806 C3 MP806 C3 MP806 C3 MP824 E4 MP824 E4 MP824 E4 MP837 E4 MP837 E4 MP837 E4
3909 G10 3909 G10 3909 G10 7809 G4 7809 G4 7809 G4 8401 H2 8401 H2 8401 H2 MP808 F13 MP808 F13 MP808 F13 MP825 G9 MP825 G9 MP825 G9 MP838 F12 MP838 F12 MP838 F12
3910 D14 3910 D14 3910 D14 7811-A A2 7811-A A2 7811-A A2 MP800 A3 MP800 A3 MP800 A3 MP809 D10 MP809 D10 MP809 D10 MP826 F12 MP826 F12 MP826 F12 MP839 F11 MP839 F11 MP839 F11
11 11 11 12 12 12 13 13 13
to 1820 on sheet 2 to 1820 on sheet 2
to sheet 2 (7810) to sheet 2 (7810) MP3-Interface MP3-Interface
+3.3V +3.3V
D D
MP828
2823
2822 2825 D D D D
MP810
D D
220u
1n5
1n5
3V2
3V2
17 18 19 20 21 22 23 24 25 26 27 28 29 30
VDDA2
16 CRIN
INTERFACE INTERFACE
BITSTREAM DAC BITSTREAM DAC INTERF. INTERF.
SER. DATA SER. DATA KILL KILL
VERSAT. VERSAT.
15 CROUT
14 VSSA2
INTERF. INTERF.
LOOPBACK LOOPBACK
13 R2
SER. DATA SER. DATA
12 R1
PROCESSING PROCESSING
SAA7325
11 D4 PRE- PRE-
ADC ADC
7800
10 D3
FUNCTION FUNCTION PROCESSOR PROCESSOR
CONTROL CONTROL AUDIO AUDIO
9 D2
8 D1
1V7
VREF GEN. VREF GEN.
7 VRIN
6 IREF
DEMOD DEMOD
SRAM SRAM
EFM EFM
ADDR ADDR
5 VDDA1
END END
CORR. CORR. DET. DET.
PLL PLL
4 VSSA1 FRONT FRONT
ERROR ERROR PEAK PEAK
DIG. DIG.
1V7
3 ISLICE
INTERF. INTERF.
1V7
CONTROL CONTROL STAGES STAGES
EBU EBU
2 HFIN
MOTOR MOTOR OUTPUT OUTPUT
INTERFACE INTERFACE
1V7
VERSATILE VERSATILE
1 HFREF
LDON
64 63 62 61 60 59 58 57 56 55 54 53 52 51
3V2
3V2
M2 M1
MP808
2831
D D
47u
2830
MP831
47u
D D MP843
+3.3V +3.3V
D D
drive detection
+3servo
+3.3V
SL FO RA
3V
0V
11 11 11 12 12 12 13 13 13
MP840 F13 MP840 F13 MP840 F13 MP849 E2 MP849 E2 MP849 E2 MP856 F2 MP856 F2 MP856 F2 MP870 F4 MP870 F4 MP870 F4
MP841 F12 MP841 F12 MP841 F12 MP850 E2 MP850 E2 MP850 E2 MP857 F2 MP857 F2 MP857 F2 MP873 H4 MP873 H4 MP873 H4
MP842 F12 MP842 F12 MP842 F12 MP851 E2 MP851 E2 MP851 E2 MP858 F2 MP858 F2 MP858 F2 MP877 D5 MP877 D5 MP877 D5
MP843 G13 MP843 G13 MP843 G13 MP852 E2 MP852 E2 MP852 E2 MP859 F2 MP859 F2 MP859 F2 MP884 E10 MP884 E10 MP884 E10
MP844 E10 MP844 E10 MP844 E10 MP853 E2 MP853 E2 MP853 E2 MP860 B14 MP860 B14 MP860 B14 MP887 C15 MP887 C15 MP887 C15
MP847 D2 MP847 D2 MP847 D2 MP854 F2 MP854 F2 MP854 F2 MP861 D4 MP861 D4 MP861 D4 MP893 E10 MP893 E10 MP893 E10
MP848 E2 MP848 E2 MP848 E2 MP855 F2 MP855 F2 MP855 F2 MP862 D4 MP862 D4 MP862 D4 MP896 F10 MP896 F10 MP896 F10
14 14 14 15 15 15
2826
47n
A A A
GNDA
MP860
B B B
31 32
KILL 3834
D D
D D 4K7
VSSD1 33
# #
3835 10K
+3.3V
V2|V3 34
3831 470R
IIS_WCLK
MP887
3916 470R
WCLI 35
AU_IIS_DATA
3832 470R
IIS_SCLK
C C C
SDI 36 D D
2827 1n
SCLI 37
PORE
3837 470R
RESETn 38
D D
2828 27p
SDA
SDA 39
470R
3910
SICL
SCL 40 470R
3839
D D D
RAB
RAB 41
3849 470R
SILD
SILD 42 3845
470R
STATUS 43
D D
TEST3 44
D D
RCK 45
E E E
+3.3V
SUB 46
SFSY 47
SBSY 48
CL11|4
50 49
F F F
to to
Conn. 1820 Conn. 1820
on on
sheet 2 sheet 2
SPDIF_GND
SPDIF
+3servo
1V7
Vref
G G G
D D D D
DC voltages
V and waveforms
measured in
H H H
play mode
# # ... for provision only ... for provision only
( ) ... for SANYO drive
14 14 14 15 15 15