Philips FW-C870/19 Service Manual page 52

1805 D15 2877 F11 3705 G4
2830 B10 2858 A10 2865 C4 3713 F8
1875 D2 2831 B9 2860 A10 2867 A9 2878 F11 3706 G4 3714 F8
1878 D2 2832 A8 2861 B10 2872 G10 2881 F8 3707 G4 3715 G8
1880 E8 2852 H2 2862 B9 2873 D6 2882 B10 3708 G4 3716 B3
1881 E8 2853 F4 2863 B8 2875 E6 2893 F12 3711 G5 3717 B3
2829 D6 2854 B3 2864 B3 2876 C8 3700 H2 3712 B4 3718 G3
1 2 3
3CDC-LC-Painel Principal
parte 2
A
digital out circuitry - 75 Ω version (not on all versions)
from
3809 2854
7877
DOBM
on
330R 47n
part1
B
from
3809 3717
7877
on DOBM
470R 1R
part1
(not for 75 Ω Versions)
digital out circuitry
C
1876
1875
CAROUSEL-MOTOR 8002
5 1
4 2
POS1 rec
3 3
D
1882
2 4
M
1
RF-500TB 5
FE-ST-VK-N
1883 POS rec FE-ST-VK-N
1877 1878
3 3
2 2
1 1
8003
DIPMATE
DIPMATE
E
DRAWER-MOTOR
F
CD-Text circuitry (not for all versions)
3718
4K7
7876
LC89170M
3731 10K
1
EXCK
RCK
G
32 x 8
3732 470R
2 SBSO
SUB 2 PORT
CPU
3733 470R
3 SCOR RAM
INTERF
SBSY
3734 470R
4 WFCK
SFSY
CRC
3700 470R
5 MCK
CHECK
CL11
11MHz
6 XMODE
7.35KHz
TIMING & SYNC
7
GND
PROTECTION
H
1 2 3
3751 C7 3782 B12 3855 B11 3868 C4 3877 F12
3730 G2 3741 A7
3731 G2 3742 B7 3770 A11 3809 B2 3858 A11 3871 F12 3878 E12
3732 G2 3743 A7 3771 A12 3814 C12 3859 B11 3872 B13 3879 D7
3733 G2 3744 A9 3772 A12 3831 F4 3860 B8 3874 B13 3880 E6
3734 G2 3746 B10 3780 B11 3851 D6 3861 B8 3875 C12 3881 E7
3740 A7 3750 B7 3781 B12 3854 A11 3864 A7 3876 C11 3882 C7
4 5 6
+5.6V
LP
LN
5802
920927152B
3712
3 4
COAX2
RP
10R
2
to 1805
1 6
COAX1
RN
7 8
2865
22n
3712
COAX2
10R to 1805
7871
TDA7073A
3885
4.9V 16
10K
0V
1
-
3
3883 10K
0V
2
+
14
3851
15
4.9V 13
+10V
11 3R3
OUT1-
5 10V
12 D D V
4.9V
3879
6 0V
4
+
100K
0V
7
10 -
3881
4.9V 9
8
100K
220R
5,1V
CD-TEXT INFO 3898
+5.6V
4V
DQSY
BZX284-C5V1
3.3ms
220R
4V
only during
3705
SCLK
TOC-reading
4V
14
SRDT
VDD
3706 470R
DQSY 13
3707 470R
SRDT 12
3708 470R
SCLK 11
SW2 10
SW1 9
8
TEST
4 5 6
3883 D6 3890 F11 4813 G14 6872 E8 6878 E8 7851 A13
3884 D6 3891 F11 4827 G14 6873 E8 6879 G4 7860 B12
3885 C6 3893 F11 4849 G13 6874 G7 7805-A A10 7861 B13
3886 E7 3898 F6 4876 C13 6875 F6 7805-B A9 7871 C5
3887 D6 3899 D12 5802 B4 6876 C13 7812 G8 7873 C9
3888 F12 4803 B4 6871 E8 6877 D12 7850 A12 7874 C12
7 8 9 10
3864
4.5V
100R
2V 2858
3741 7805-B
5 220u
8
TDA1308T
22K
7 2.3V
3740
6
4
22K 2V
GNDA
3743 7805-A
2V
3
TDA1308T
22K
1
2.3V
3742
2
22K
2V
2830
47n
GNDA
GNDA GNDA GNDA GNDA
7873 VSS 8 Changer Control
HEF4094BT
logic
10
Os
9
0V
O7
11
0V
O6
12
0V
O5
13
0V
O4
14
0V
O3
6873
7
0V
O2
6
BAS216
0V O1
6878 5
5.1V
O0 D
1 D
0V 2
4
BAS216
1881
6872
5.1V
DRIVE UP/
CP
DOWN
3
BAS216 STR
STB
1880
6871
1
EN1
5.1V
15
TRAY POS
BAS216 SRG8
VDD 16
5.1V
5,1V
0V
7812
BC847B
Output enable
delay circuitry
7 8 9 10
7875 C12
MP725 D8 MP803 F10 MP810 F13 MP830 A9 MP856 E14 MP867 E8
7876 G3 MP726 D8 MP804 G14 MP811 F13 MP832 G9 MP857 B13 MP868 F8
MP721 C8 MP740 H14 MP805 E13 MP822 E3 MP833 F13 MP862 G13 MP869 C12
MP722 E8 MP741 G14 MP806 F13 MP823 D3 MP834 G14 MP863 C11 MP871 D6
MP723 C8 MP742 G14 MP807 F14 MP824 D4 MP835 F14 MP865 D11 MP874 D12
MP724 D8 MP801 D12 MP808 E13 MP825 D4 MP854 A13 MP866 E8 MP881 G2
11 12 13
2860 3854
10u 100R
7851 #
#
3772
#
7850
BC817-40
1K
BC857B
GNDA
GNDA
3770 #
22K
KILL_L
KILL_L_out
10K 3771 # +3.3V
2861
3855
10u 100R
# +3.3V
7861
#
3782
7860 #
1K BC817-40
BC857B
GNDA
GNDA
3780
22K
KILL_R
KILL_R_out
10K 3781 +3.3V
to/from 7877 on part 1
SICL
3.2V
SILD
7874
SDA
0V 3V-5V log.
Levelconverter
BC847B
4876
3875 10K
+3.3V
3814 6876 #
4.2V
voltage stab.
7875
+3.3V 33R
BAS216
3.3V
BC847B
6877
3899
4.1V
BZX284-C3V9 100R
+4V
+5V
+5.6V
+10V 5V(5.6V)
3890
3891 1K
1K
3893
470R
KILL_L_out
to 7877 on part 1
from digital-out circuitry
4813
KILL_R_out
4827
11 12 13
MP882 G2 MP891 B5
MP886 G3 MP892 B5
MP887 H5 MP897 D12
MP888 G5 MP898 D13
MP889 G5 MP899 E14
MP890 B3
14 15
A
B
C
D
to combi- board
1805
23
LEFT
22
GNDA
GNDA
21
RIGHT
20
E
+5V(+5.6V)
19
GND
18
+10V
17
SW_INFO
16
SHR_STR
15
SHR_CL
14
SICL
13
DATA F
12
SILD
11
GND
10
PORE
PORE
9
KILL_L
8
COAX1/+3V
COAX1
7
COAX2/EBU
# COAX2
6
EBU_GND
G
5
GND/KILL_R
4
SRDT
3
DQSY
2
uP_CLK
1
GND
FE-ST-VK-N
H
...DC voltages measured
V EVM
in Play mode
3CDC-LC Part2 19990920
14 15