Philips FW-V720 Service Manual page 75

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1802 B14 2816 D7 2823 B3 2833
1805 F14 2818 C7 2824 B3 2834
1810 B6 2820 G5 2826 D3 2837
2813 A3 2822 A3 2829 G5 2838
1 2
3CDC-LC VrefCD10
part 2
A
EYE-PATTERN
HF
800mVpp
B
TB = 0.5µs/div
+3.3V
LDON
Innersw
from part11801
C EQSEL
to part1 7801
RW/DA
to part1 7801/pin11
M1
3855
D
+3.3V
15R
SL
FO
RA
E
+3servo
3.2V
for 75Ω Versions
F
3716
100R
G
H
DOBM
to dig. out circuit
I
. . . V DC voltages measured in
PLAY MODE
with following conditions:
V EVM
"+10V" = 10V
"+5V" = 5V
1 2
10-9
B6 2843 C7 2870 I5 3701 I5 3711
B6 2845 C7 2871 H6 3705 H7 3712
B4 2854 I12 2874 H11 3706 I7 3712
A4 2865 I13 3367 A4 3707 I7 3716
3 4 5
3853
470R
+3.3V
2822 3825 2813
PHOTO DIODES
1K 10n
2n2 3867*
CD DRIVE on PART1
22K 220K
3826
2837
2823
4u7
56p
+3.3V
1.7V 1.7V 1.7V 3.2V 0.8V 1.6V 1.6V 1.6V 1.6V 1.6V
1 2 3 4 5 6 7 8 9 10 11
64
63 V1 ANALOG / DIGITAL
CONVERTER
3.2V
FRONTEND
V5
62
Signal Processor
V4
61
SAA7327
PRE-
7802
60 MOTO2
PROCESSING
DIG.
MOTO1 PLL
59
CONTROL
FUNCTION
VSSD3
58
VDDD2C
57
AUDIO
3.2V
PROCESSOR
56 SL
55 FO
RA
54
CFLG
53
PEAK
VDDD1P
52
DET.
DOEM
DOBM 51
SUBCODE MICROCONTROLLER
VSSD2 PROCESSOR
50 INTERFACE
CL11|4
49
48 47 46 45 44 43 42 41 40 39 38
3858*
2829 2820
3859*
27p 1n
3860*
3861*
+3.3V
10K (4x)
CD-Text circuit
not on all versions
7816
LC89170M
3731 10K
1
EXCK
RCK
3732 470R
2 SBSO
SUB
3733 470R
3 SCOR
SBSY
3734 470R 4 WFCK
7,35KHz
SFSY
3701 470R
5 MCK
11MHz
CL11
6 XMODE
7
GND
3 4 5
I7 3717 G2 3732 I5 3759 H10 3777
G2 3718 H6 3733 I5 3767 E11 3804
I13 3730 I4 3734 I5 3769 F11 3808
F2 3731 I5 3759 F2 3774 H8 3809
6 7 8
2834 2833
33p 33p
1810
AT-49
+3.3V
1.6V 1.6V 1.6V 1.6V
12 13 14 15 16
17
2843
3.2V
100n
TIMING
LN 18
LP
19
VNEG
20
VPOS 21
3V
EBU
RN
22
RESET
RP
23 SILD
RAB
SELPLL
24
3V SICL
TEST1
25 SDA
5V
CL16
26 +3.3V
3816
DATA 0V
27 CD_IIS_DATA
470R
3817
WCLK 28
IIS_WCLK
470R
3818
SCLK 29
IIS_SCLK
470R
EF
30
SERIAL DATA
TEST2 31
LOOPBACK
INTERFACE
32
KILL
37 36 35 34 33
3804
+3.3V
10K
HF_DETECT
from 7821/C on part1
3832
+3.3V
10K
CD-TEXT INFO
3718 3705 3774
+5V
4K7 220R
100R
14
VDD 4V
32 x 8
3706 470R
DQSY 13
2 PORT
CPU
3707 470R
RAM SRDT 12
INTERF
3708 470R
SCLK 11
CRC
SW2 10
CHECK
SW1 9
TIMING & SYNC
8
TEST
PROTECTION
6 7 8
Published in Heiloo, Holland.
10-9
D9 3810 G5 3816 E7 3823 A4 3828 B3
F7 3812 F5 3817 E7 3825 A3 3832 G6
I7 3813 F5 3818 E7 3826 B3 3849 F6
B2 3814 F4 3819 G5 3827 B4 3853 A4
9 10 11
not for 75Ω dig. out
+5V
DIGITAL AUDIO
voltage stab. 3767
33R
+3.3V 7815
3.3V
BC847B
3769
4.1V
100R
+5V
+10V
4V
DQSY
digital out circuit
3.3ms
3759 2874
only during
SRDT
DOBM
10R 100n
from 7802
TOC-reading
pin 51
SCLK
not on all versions
9 10 11
1/3/16
3855 D2 3861 G4 3878 E13 6807 F11
3858 G4 3862 B7 3881 E13 6809 H7
3859 G4 3864 A4 4808 C14 7802 C5
3860 G4 3865 D7 5800 I12 7815 F11
12 13 14
A
B
1802
22
LEFT
21
ANALOG AUDIO GNDA
20
RIGHT
19
GND
DSA_ACK
18
DSA_ACK C
DSA_STB
17
DSA_STB
DSA_DATA
16
DSA_DATA
for 75Ω dig. out only
15
EBU_GND
EBU 14
EBU/GND
13
RESET
CD10_RESETn
SILD 12
SILD
RAB 11
RAB D
SICL 10
SICL
SDA 9
SDA
8
GND
3878
7
IIS_SCLK
IIS_SCLK
220R
6
GND
3881
5
IIS_WCLK
IIS_WCLK
220R
4
E
GND
3
CD_IIS_DATA
CD_IIS_DATA
2
GND
1
5V
+5V
FMN -STK
F
1805
23
LEFT
22
GNDA
ANALOG AUDIO
21
RIGHT
20
+5V
19
GND
G
18
+10
17
SW_INFO SW_INFO
16
SHR_STR SHR_STR
15
SHR_CL
SHR_CL
14
SHR_DATA
SHR_DATA
DSA_DATA 13
DSA_DATA
12
DSA_ACK
DSA_ACK
H
11
GND
DSA_STB
10
DSA_STB
9
GND
1 4 8
COAX1
2
7
COAX2
3712
3 6
6
EBU_GND
10R
5800 5
GND
I
4
SRDT
3
DQSY
2
uP_CLK
1
GND
FE-ST-VK-N
3CDC-LC Herman Mainboard Sheet2 2001-02-08 (VCD Version)
12 13 14