Philips FW-V320/21M Service Manual page 67

1802 C14 2813 A3 2820 G5 2824 B3 2829
1803 G14 2816 D7 2822 A3 2825 A3 2833
1810 B6 2818 C7 2823 B3 2826 D3 2834
1 2
3CDC-LC
VrefCD10
part 2 3851
SPEEDSEL
47K
from part3
A (7813/7)
for quad speed only
EYE-PATTERN
3709 2822
HF
1K 1n8
for double speed only
800mVpp
B
TB = 0.5µs/div
PORE +3.3V +3.3V
64
LDON
63
Innersw
3.2V
from part1 1801
62
C EQSEL
to part1 7804/C
61
RW/DA
to part1 7801/pin11
60
59
M1
58
3855
D
57
+3.3V
15R 3.2V
56 SL
SL
55
FO
54
RA
53
E
52
+3servo
3.2V
DOBM 51
50
49
F
3716
100R
G
H
I
. . . V DC voltages measured in
PLAY MODE
with following conditions:
V
EVM
"+10V" = 10V
"+5V" = 5V
1 2
10-9
G5 2837 B4 2845 C7 3716 F2 3767
B6 2838 A4
3709 A3 3717 G2 3769
B6 2843 C7 3712 G2 3759 F2 3804
3 4 5
3853
470R
7805
BC847B
+3.3V
2825
6n8
2813
PHOTO DIODES
3n3
3867*
CD DRIVE on PART1
22K 220K
3826
2837
2823
4u7
47p
1.7V 1.7V 1.7V 3.2V 0.8V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V
1 2 3 4 5 6 7 8 9 10 11 12 13
V1 ANALOG / DIGITAL
CONVERTER
FRONTEND
V5
Signal Processor
V4
SAA7324/SAA7325
PRE-
7802
MOTO2
PROCESSING
DIG.
MOTO1 PLL
CONTROL
FUNCTION
VSSD3
VDDD2C
AUDIO
PROCESSOR
FO
RA
CFLG
PEAK
VDDD1P
DET.
DOEM
SUBCODE MICROCONTROLLER
SERIAL DATA
VSSD2 PROCESSOR
INTERFACE LOOPBACK
INTERFACE
CL11|4
48 47 46 45 44 43 42 41 40 39 38 37 36
3858*
2829 2820
3859*
27p 1n
3860*
3861
+3.3V
10K (4x)
3832
+3.3V
10K
* marked components only forseen
3 4 5
E11 3809 B2 3813 F5 3823 A4 3828 B3
F11 3810 G5 3814 F4 3826 B3 3832 G6
F7 3812 F5 3819 G5 3827 B4 3849 F6
6 7 8
2834 2833
33p 33p
1810
AT-49
+3.3V
1.6V 1.6V
14 15 16
17
2843
3.2V
100n
TIMING
LN
18
LP
19
VNEG
20
VPOS
21
3V
RN
22
RP
23
SELPLL 24
3V
TEST1
25
CL16
26 +3.3V
DATA 27
WCLK
28
SCLK
29
EF
30
TEST2 31
32
KILL
35 34 33
3804
+3.3V
10K
6 7 8
10-9
3851 A3 3858 G4 3861 G4 3865 D7
3853 A4 3859 G4 3862 B7 3867 A4
3855 D2 3860 G4 3864 A4 6807 F11
9 10 11 12
EBU = DIGITAL AUDIO
PORE
SILD
RAB
SICL
SDA
voltage stab. 3767
+3.3V 7815 33R
3.3V
BC847B
3769
4.1V
100R
+5V
6811
+10V
1N4003
9 10 11 12
6811 G11 7802 C5
6812 B2 7815 F11
7802 A3
13 14
A
B
C
to CDR Module
1802
8
EBU_GND
EBU 7
EBU
PORE 6
CD10_RESET
SILD 5
SILD
RAB
4
RAB D
SICL 3
SICL
SDA 2
SDA
1
GND
FMN-STRK
E
F
1805
9
Not Connected
8
+5V
7
GND
G
6
+10V
5
SW_INFO SW_INFO
4
SHR_STR
SHR_STR
3
SHR_CL
SHR_CL
2
SHR_DATA
SHR_DATA
1
Not Connected
FE-ST-VK-N
H
I
3CDC-LC Herman Mainboard Sheet2 2001-06-29 (CDR Version)
13 14