10-7
10-7
2x
4x
1x
V/I
V/I
Vgap
D3 (CD10)
D4 (CD10)
R2 (CD10)
3CDC-LC
D5
D2
D3
D4
D3
D2
D4
HF-Amplifier & Laser power control
ESD sensitive line!
ESD sensitive line!
+
+
D5
to 7800/pin63
T+
F+
INNERSW.
FOCUS
D1 (CD10)
CD Drive
VCC
D3
D4
D2
LD
GND
TRA
CK
R1 (CD10)
D3
MON
D2 (CD10)
D5
GND
D4
part 1
DISC
_
_
VREF
F-
SLIDE
T-
D1
D1
180p
D1
D2
VAM2201
2802
3821
4K7
3820
4K7
3822
2K7
220p
2805
2817
4u7
1K
3824
+5V
220p
2806
220p
2811
10K
3808
+5V
3868
2M2
10K
3801
2836
4u7
10K
3806
27K
3811
10K
3807
10K
3805
3834
22K
3869
2M2
3833
22K
2803
220p
2831
47n
2804
4n7
3803
10K
180p
2810
3802
56K
56K
3800
2815
220n
68R
3856
4R7
3815
220p
2808
180p
2800
100R
3854
470p
LD
1
MON
4
PWRON
LDON
from part2 7800/pin64
7
10
RFEQO
RFFB 9
RGADJ 14
VCC2
13
VCCL
2
2827
TZA1024/TZA1025
7801
CDRW
11
CFIL
3
CMFB 8
DIN
5
EQSEL
12
GND
6
2807
330p
3829
4R7
10
11
12
13
14
15
2
3
4
5
6
7
8
9
+3.3V
1800
FMZ-ST
1
4u7
2819
2801
220p
3830
100R
3866
10K
68R
3857
PH-S
1801
6
5
4
3
2
1
EQSEL
from par
t2 7800/pin62
RW
/D
A
from par
t2 7800/pin61
Innersw
VrefCD10
TO
SER
V
OPOCESSOR
7800 on P
AR
T2
FR
OM SIGNALPOCESSOR
7800 on P
AR
T2
Σ
(D2-D4) = Audio signal
VrefCD10
FO
RA
M1
SL
3848
100K
3850
18K
3838
10K
18p
2809
47n
2835
47n
2832
Vref
Vref
Vref IN
3839
27K
5
4
32
33
23
24
13
14
25
26
35
27
28
29
30
6 7 8 9 10 11 12
3841
27K
47n
2840
10n
2830
Vref
Vref
3835*
PTH8
+10V
+3Servo
Vref
3836*
270K
+3.3V
3842
47K
3843
47K
3844
82K
220p
2842
220p
2841
Vref
Vref
3845
47K
3846
47K
3837
10K
LDON
3852
1K
17
3
34
1
2
19
21
22
15
20
16
3847
56K
270p
2814
220p
2844
Vref
Vref
Servo Driver
M63000
7803
Motor Driver
VCC
VCC
REG. Vref
36
18
NC
Standby
+t
°
2839
47u
2846*
47u
DISC-
TRACK-
FOC-
FOC+
TRACK+
TRACK+
FOC-
FOC+
TRACK-
DISC+
SLIDE-
SLIDE+
DISC-
DISC+
SLIDE+
SLIDE-
31
REG
+
-
+
+
+
+
-
-
-
-
* marked components only forseen
3872
1K
3876
1K
2852
47n
Vref
+3servo
2828
47u
+3,3V
+5V
+3,3V
+5V
+10V
+10V
33R
3863
from par
t 2
5V
5V
10V
10V
VrefCD10
VrefCD10
1.6V
1.6V
3,3V
3,3V
3,2V
1,6V
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
7
8
9
10
A
B
C
D
E
E
F
G
H
1
2
3
4
5
6
F
G
H
A
B
C
D
I
I
7806
BC847B
3794
82K
3872
10K
6811*
BAS216
5V
1.9V
1.6V
1V
0.8V
4.7V
0.2V
0.9V
1.6V
1.7V
2.9V
2.1V
3.0V
U >400mV
->Laser damaged !
Focus search
Service step 2
2V
+
-
1s
CD_R
W = 3V / CD_D
A = 0V
SINGLE = 3V
DOUBLE Speed = 0V
3V
0V
3V
0V
3V
0V
3V
0V
. . . V DC voltages measured in
PLAY MODE
with following conditions:
"+10V" = 10V
"+5V" = 5V
EVM
V
3CDC-LC Herman Mainboard Sheet1 2000-09-08 (non CDR Version)
1800
C1
1801
G1
2800
C4
2801
C5
2802
B4
2803
B5
2804
D6
2805
B5
2806
A5
2807
A4
2808
A5
2809
I5
2810
A4
2811
A5
2814
G5
2815
D5
2817
E5
2819
C2
2827
B4
2828
A13
2830
H6
2831
E4
2832
I6
2835
I5
2836
E8
2839
G5
2840
H5
2841
F6
2842
F5
2844
G6
2848
H5
2852
B12
2859
D13
2860
A9
2884
D11
2885
C9
2886
C10
2887
C11
3700
D13
3702
C9
3703
D12
3704
C13
3709
C14
3710
D14
3720
C10
3721
D10
3722
C11
3724
C12
3725
D11
3726
C12
3727
C11
3728
D10
3729
D11
3735
B9
3800
B4
3801
B4
3802
B4
3803
B4
3805
A4
3806
B4
3807
A4
3808
A4
3811
B4
3815
E5
3820
D4
3821
C4
3822
C4
3824
D8
3829
E4
3830
D4
3833
A3
3834
A3
3835
G5
3836
H6
3837
I5
3838
I5
3839
H6
3841
H5
3842
F6
3843
F6
3844
F5
3845
G6
3846
G6
3847
G5
3848
I6
3850
I5
3852
H5
3854
E8
3856
C2
3857
C2
3863
A13
3866
D8
3868
A4
3869
A4
3872
A13
3876
B13
3886
A10
4801
E8
6811
C11
6812
C12
7801
D6
7803
E3
7820
C10
7821
C13
7822
C12
7823
C13
TB = 0.5
µ
s/div
800mVpp
EYE-PATTERN
to 7800 on part 2
HF
HF_DETECT
to 7800/pin34
on part 2
100n
2885
3720
150K
3728
100K
3735
100R
3721
2K2
+5V
7820
BC847B
7823
BC847B
7821
BC847B
7822
BF550
3703
1K
3710
10K
3700
100K
3729
1K
3725
470R
3702
10K
3722
2K2
3724
100K
3709
4K7
3726
100R
3727
2K2
3704
100K
100n
2886
1n
2887
1n
2884
220n
2859
6811
BAS216
6812
BAS216
HF-Detector
www.freeservicemanuals.info
1/3/16
Published in Heiloo, Holland.
Содержание FW-V720
Страница 48: ...8 6 8 6 MPEG 01B BOARD LAYOUT www freeservicemanuals info 1 3 16 Published in Heiloo Holland ...
Страница 69: ...10 3 Service Position www freeservicemanuals info 1 3 16 Published in Heiloo Holland ...
Страница 70: ...10 4 Wiring www freeservicemanuals info 1 3 16 Published in Heiloo Holland ...
Страница 80: ...Technical remarks 10 14 www freeservicemanuals info 1 3 16 Published in Heiloo Holland ...