Philips FW-C870/19 Service Manual page 50

1800 D1 2802 C4 2808 A5 2816 B12 2825 F9 2835 F7 2841 F5 2851 B11
1801 G1 2803 C5 2809 H4 2818 B11 2826 G12 2837 H4 2842 F5 2855 B4
1810 C10 2805 B5 2810 A4 2822 F9 2828 G13 2838 E8 2844 F5 2856 D15
2800 C4 2806 B5 2811 A5 2823 F10 2833 C10 2839 F4 2849 C1 2857 H5
2801 C5 2807 A4 2815 D5 2824 F10 2834 C10 2840 G4 2850 D14 2859 G5
1 2 3
3CDC-LC-Painel Principal
D1
parte 1
A
D5
B
D4
D3
C
D2
CD Drive
2849 4u7
5V
VAM2201
1800
GND
1
D5
D3 2
D3
D D5 3
D4
D2 VCC
4 VrefCD10
VREF 5 1.6V
D1
3869
1.9V
LD 6
MON 7
3870
D4 8
D1 9
E D2 10
GND during Focus search
11
L
T+
12
F- 4.7V 16
13
+
F+ 14 3
FOCUS
14
15
T-
_
5V 13
1
+
F
SLIDE 2
_
4.7V 12
_ _
3
4
DISC
TRACK
4
10
+
5
5V + 9
INNERSW.
6
TDA7073A
1801
PH-S
Motor Driver
G
5.1V + 16
3
DISC
14
_
4.6V
13
4.9V
12
_
H
4
SLIDE
10
4.8V +
9
TDA7073A
1 2 3
2869 D3 2888 E5 3728 E14 3802 C4 3807 A4 3819 D14 3824 D8
2879 H5 2891 F4 3735 G6 3803 C4 3808 A4 3820 D3 3825 F9
2884 E8 2892 D5 3736 H6 3804 C14 3811 B4 3821 D3 3826 F9
2885 F9 3709 C14 3800 C4 3805 B4 3812 H4 3822 D3 3827 E10
2887 B10 3727 B12 3801 C4 3806 B4 3815 E5 3823 D8 3828 G10
4 5 6
3833
3808
22K 10K
3834 3807
22K 10K
3805
10K
3811 3806
18K 10K
3802 3803
56K 10K
3801
3800
56K 10K
Laser power control HF-Amplifier
/ TZA1025
TZA1024
2.9V
7
2x
PWRON
6
GND
2815 5 DIN
0.8V 4x
220n
ESD sensitive lines!
1x
0.2V
4 MON
4R7
2892 4n7 3 CFIL
U >400mV
->Laser damaged ! 1V
V/I
3815
4.7V
100R
2 VCCL
+5V
1 LD
4R7
V/I
7801
2.1V
Servo driver
FOCUS 3843 3842
+3servo
33K 47K
1 1.6V
-
Vref
1.6V
2
+
D
3835
1.6V
15
11
Vref
+10V
2839 3R3
10V
5
VDD
3846 3845
1.6V 47u
6
+
33K 47K
7 1.6V
-
D
Vref
8
TRACK
D
7806
D
100K
3840
1 0.3V
-
DISC 100K
2 0.3V
+
3839
15
3852
3812
+10V
11
2R2
2R2
5 10V 2837
VDD
D
+3.3V
47u
6 1.6V
+
Vref
D
100K
7 1.6V
-
SLIDE
3848
8
3849
7807 100K
4 5 6
3832 D15 3838 F7 3843 E5 3848 H6 3856 C1 3867 B11 3892 E15 4812 F8
3833 A4 3839 H6 3844 F5 3849 H5 3857 C2 3869 D3 3894 E9 7801 E7
3834 A4 3840 G5 3845 F5 3850 H5 3862 B10 3870 E3 3895 G12 7806 G4
3835 F5 3841 G5 3846 F5 3852 H5 3863 H13 3873 D14 3897 E7 7807 H4
3837 F7 3842 E5 3847 F5 3853 E9 3866 D8 3889 D15 4811 F8 7877 D12
7 8 9 10
R2 (CD10)
R1 (CD10)
D4 (CD10)
D3 (CD10)
D2 (CD10)
TF01 1810
16 CRIN
1.6V
D1 (CD10)
1.6V 15 CROUT
14 VSSA2
3823 1K
VrefCD10
1.6V 13 R2
3824 1K
CMFB
8
1.6V 1.6V 12 R1
3866
RFFB 9
0.9V
10K
11 D4
RFEQO 10 1.6V
1.7V
CDRW 11
1.6V 10 D3
EQSEL 12 0V
13 3.0V 9 D2
VCC2 1.6V
RGADJ 14
1.6V 8 D1
3853
1.6V 7 VRIN
470R
+3.3V 6 IREF
+3.3V
0.8V
33K 3827
3894
MP844 5 VDDA1
3.2V
100R
4 VSSA1
HFOUT
3 ISLICE
1.7V
1.7V 2 HFIN
HFIN
2822 3825
1K
2n2 MP893 1 HFREF
1.7V
2824
22n
D
3V 2.9V
3V for CD_DA : 0V
for CD_RW : 3V
0V
0V
EYE-PATTERN
Innersw
3V
from 1801
0V
0V 800mVpp
TB = 0.5us/div
7 8 9 10
MP713 C5 MP730 B5 MP800 E3 MP814 F2 MP819 G9 MP829 B3 MP841 F6
MP715 C5 MP731 B13 MP802 B15 MP815 C3 MP820 F8 MP837 E3 MP842 H6
MP716 A5 MP743 D2 MP809 E10 MP816 A3 MP821 D15 MP838 G6 MP843 F6
MP717 A5 MP744 D2 MP812 F2 MP817 A3 MP827 B10 MP839 G6 MP844 E9
MP729 B5 MP745 E2 MP813 C3 MP818 D3 MP828 G9 MP840 E6 MP845 F4
11 12 13
To 7805 on part 2
LN LP RN RP
+3.3V +3.3V
3.2V
Signal Processor
2851
2818 2816
1n5
220u 1n5
VDDA2
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
SER. DATA
BITSTREAM DAC
VERSAT.
INTERFACE KILL
INTERF.
SER. DATA
LOOPBACK
INTERF.
7877
PRE-
SAA7324 / SAA7325
PROCESSING
ADC
CONTROL AUDIO
FUNCTION PROCESSOR
VREF GEN.
EFM
SRAM
DEMOD
ADDR
FRONT
ERROR PEAK
END DIG.
CORR. DET.
PLL
EBU
MOTOR OUTPUT
INTERF.
CONTROL STAGES
VERSATILE
INTERFACE
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50
LDON
+3servo
2826
3.2V
47u
2828
47u
+3.3V
+3servo
M2 M1 SL FO RA
+3.3V
for digital out version:
3863 = 33R
11 12 13
MP846 G1 MP851 E2 MP859 F10 MP873 H4 MP883 E5
MP847 G2 MP852 F2 MP860 C2 MP875 G13 MP884 E5
MP848 E2 MP853 F2 MP861 E8 MP877 E4 MP893 F10
MP849 F2 MP855 E10 MP870 D8 MP878 B13 MP895 E14
MP850 F2 MP858 F9 MP872 C15 MP879 B11 MP896 B12
14 15
A
B
KILL_L
+3.3V
KILL
32
33
for basic version
C
VSSD1
V2|V3 34
KILL_R
for Coax out versions
WCLI 35
+3.3V
SDI 36
2850
1n
SCLI 37
3819
PORE
470R
38
RESETn 3.4V D
2856
27p
SDA 39
SDA
3873 470R
3889
40
SCL
SICL
470R
RAB 41
3892
42
SILD
SILD
470R
E
STATUS 43
0V 3728
44
TEST3
4K7
RCK 45
RCK
46
SUB
SUB
SFSY 47
SFSY
F
SBSY 48
SBSY
49
11.3 MHz
CL11
for CD TEXT only
G
to dig. out circuitry
DOBM
on part 2
PIN50 EBUGND
...DC voltages measured
H
in Play mode
V EVM
#.... for provision only
3CDC-LC Part1 19990920
14 15