Philips FW-C38/21 Service Manual page 61

1800 D2 2805 B5 2814 D5 2825 F9
1801 G1 2806 B5 2815 D5 2826 G12
1810 C10 2807 A4 2816 B12 2828 G13
2800 C4 2808 A5 2818 B11 2833 C10
2801 C5 2809 H4 2822 F9 2834 C10
2802 C4 2810 A4 2823 F10 2835 F7
2803 C5 2811 A5 2824 F10 2837 H4
1 1 2 2 3 3
MP817
3CDC-mainboard D1
part 1
A A
MP816
D5
B B
MP829
D4
MP813
D3
C C
MP815 D2
MP860
CD Drive
2849 4u7
5V
VAM2201
1800
15
GND
D5
14
D3
D3
13
D D D5
D4
D2 12
VCC
11 VrefCD10
VREF 1.6V
D1
3869 4R7
10 1.9V
LD
MP837
MON 9
3870 100R
D4 8
D1
7
E E D2 6
Servo driver
5
GND
L
T+ 4
MP848
F- 3 4.7V 16
MP851
+
F+ 2
MP850 3
TRACK
1 14
MP849
T-
_
5V 13
MP812
1
+
F F
MP814
SLIDE _
2
4.7V 12
_ MP853
3 _
4
DISC
MP852
4 FOCUS
10
+
5
5V +
9
INNERSW.
6
TDA7073A
1801
PH-S
G G Motor Driver
during Focus search
4.6V + 16
3
DISC
14
5.1V _
13
4.9V
12
_
H H
4
SLIDE
10
4.8V
+ 9
TDA7073A
1 1 2 2 3 3
10-9
2838 E8 2850 D14 2879 H5
2839 F4 2851 B11 2880 D8
2840 G4 2855 B4 2884 E8
2841 F5 2856 D15 2885 F9
2842 F4 2857 G5 2887 B10
2844 G5 2859 H5 2888 E5
2849 C1 2869 D3 2891 F4
4 4 5 5 6 6
3833
3808
22K 10K
3834 3807
22K 10K
3805
10K
3811 3806
18K 10K
3802 3803
10K
56K
3800 3801
56K 10K
Laser power control
TZA1024 / TZA1025
2.9V
7
2814
2x
PWRON
100n
6
GND
2815 0.8V 5 DIN
4x
MP818 100n
ESD sensitive lines!
1x
0.2V
4 MON
2892 4n7
3 CFIL
U >400mV
->Laser damaged !
1V
MP877
V/I
3815
4.7V
2 VCCL
+5V
MP884 MP883
1 LD
4R7 V/I
7801
2.1V
TRACK Vref
+3servo
1.6V
1
-
3843 3842 MP840
1.6V
2
+
33K 47K
3835
MP843 1.6V
15 MP845
11
+10V D Vref
3R3
2839
10V
5
VDD
1.6V 47u
6
+
Vref
1.6V
7
-
D
3846 3845
8
33K 47K MP841
FOCUS
7806
D
100K
MP838
3839
1 0.3V
-
D
DISC 100K MP839
2 0.3V
+
3852
3812 3840
MP873
15
+10V
2837 2R2
11
2R2
47u
5 10V
VDD Vref
6 1.6V
D
+
3849 100K MP842
7 1.6V
-
3848
SLIDE 100K
8
D
7807
4 4 5 5 6 6
2892 D5 3803 C4 3815 E5 3825 F9
3709 C14 3805 B4 3819 D14 3826 F9
3727 B12 3806 B4 3820 D3 3827 E10
3728 E14 3807 A4 3821 D3 3828 G10
3800 C4 3808 A4 3822 D3 3831 B14
3801 C4 3811 B4 3823 D8 3832 D15
3802 C4 3812 H5 3824 D8 3833 A4
7 7 8 8 9 9
R2 (CD10)
R1 (CD10)
D4 (CD10)
D3 (CD10)
D2 (CD10)
TF01
D1 (CD10)
HF-Amplifier
VrefCD10 3823 1K
3824 1K
CMFB
8
1.6V
3866
RFFB 9
0.9V
10K
RFEQO 10
1.7V
11
CDRW
0V
EQSEL 12
3.0V
VCC2 13
RGADJ 14
3853
1.6V
470R
+3.3V
+3.3V
33K
3894
MP844
33R
MP859
HFOUT
3825 2822
HFIN
1K
2n2 MP893
MP820
2824
22n
D
MP858
3V
3V
MP819
MP828 0V
0V
EYE-PATTERN
3V
0V
0V 800mVpp
TB = 0.5µs/div
7 7 8 8 9 9
10-9
3834 A4 3842 F5 3849 H5
3835 F5 3843 F5 3850 H5
3837 F7 3844 F5 3852 H5
3838 F6 3845 F5 3853 E9
3839 G6 3846 F5 3857 C2
3840 H6 3847 F5 3862 B10
3841 G5 3848 H6 3863 H13
10 10 11 11 12 12 13 13
to part 2 (7805)
LN LP RN RP
+3.3V +3.3V
MP827
3.2V
Signal Processor
2851
2818 2816
1n5 220u MP896
1n5
VDDA2
1810
17 18 19 20 21 22 23 24 25 26 27 28
16 CRIN
1.6V
SER. DATA
15 CROUT BITSTREAM DAC
1.6V
INTERFACE
14 VSSA2
13 R2
1.6V
12 R1
1.6V
11 D4 7877
1.6V
PRE-
SAA7324 / SAA7325
PROCESSING
ADC
10 D3
1.6V
CONTROL AUDIO
1.6V 9 D2 FUNCTION PROCESSOR
1.6V 8 D1
MP809
7 VRIN
VREF GEN.
MP855
6 IREF
0.8V
3827
EFM
SRAM
3.2V 5 VDDA1
DEMOD
ADDR
4 VSSA1 FRONT
PEAK
END ERROR
DIG.
CORR. DET.
PLL
3 ISLICE
1.7V
1.7V 2 HFIN EBU
MOTOR OUTPUT
INTERF.
CONTROL STAGES
VERSATILE
1 HFREF
1.7V
INTERFACE
64 63 62 61 60 59 58 57 56 55 54 53
LDON
2.9V
for CD_DA : 0V
+3servo MP875
for CD_RW : 3V
2826
3.2V
47u
Innersw
2828
from 1801
47u
+3.3V
M2 M1 SL FO RA
+3.3V
for digital out version:
3863 = 33R
10 10 11 11 12 12 13 13
3866 D8 3894 E9 9802 C14
3867 B11 3895 G12 9811 F8
3869 D3 3897 E7 9812 F8
3870 E3 7801 E7
3873 D14 7806 G4
3889 D15 7807 H4
3892 E15 7877 D12
14 14 15 15
A A
B B
+5V
MP878 MP802
KILL
KILL to 1805 on part 2
29 30 31 32
VSSD1 33
+3.3V C C
MP872
3709
VERSAT. V2|V3 34
KILL
INTERF.
10K
digital out version only
WCLI 35
9802
+3.3V
SER. DATA
SDI 36
2850
LOOPBACK
INTERF.
1n
SCLI 37
3819 MP821
PORE
470R
38 3.4V
RESETn D D
2856
33p
39
SDA
SDA
3873 470R
3889
SCL 40
SICL
470R
RAB 41
3892
SILD 42
SILD
470R
E E
STATUS 43
MP876
3728
0V
TEST3 44
MP895 4K7
RCK 45
RCK
SUB 46
SUB
47
SFSY
SFSY
F F
48
SBSY
SBSY
52 51 50 49
11.3 MHz
CL11
for CD TEXT only
G G
to dig. out circuitry
DOBM
on part 2
MP831
PIN50 EBUGND
+3servo
...DC voltages measured
H H
in Play mode with following conditions
V
EVM
'+A'=+10.5V and '+5V'=+5V
3CDC99 Part1 1999 06 30
14 14 15 15
CS 53 388