2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
DVD-S840
6
50
65
TE
OFTR
BDO
TBAL
BIAS1
BIAS2
MUTE
CH3
FG UNIT
FG1
FG2
CNT
MUTE
CH4
MUTE
CH1,2
-
+
SHIFT
LEVEL
-
+
+
-
+
-
SHIFT
LEVEL
-
+
-
+
+
-
SHIFT
LEVEL
-
+
+
-
+
-
SHIFT
LEVEL
-
+
+
-
+
-
OPIN-
5
OPIN+
4
SPINDLE MOTOR
M2501
TRAVERSE MOTOR
M2502
IC6001-27,28PIN
FROM
LDIN
24
SW2501
(OPERATION CPU)
IC6001
P6005-1PIN
(TRAY OPEN SW.)
FROM
37
TRV-SW+
TRAY-SW-
TRAYMUT
TRAY/TRV
TRAY/TRV SW
TRAY-MUTE
TRAY CLOSE
TRAY OPEN
47
31
OPOUT
6
69
7.2Vp-p(20usec./div.)
IC2501-11,12,13,14
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
TILT
HDD15
STD0
-
-
STD7
TILTP
FG
56
FG ENB
TRS-DRV
DAC 0
DAC 1
SPDRV
VIN3
VIN2
VIN1
TRIN
MUTE12
IN SW
MUTE3
SPDIN
FOIN
TRIN
TRVSIN
MUTE4
LD CNT
VO2-
VO2+
VO1-
VO1+
VO3-
VO3+
VO4-
VO4+
172
168
166
164
160
158
151
149
IC3001
(AV DECODER)
PWM5 61
HDD8
73
76
78
81
71
70
68
115
AD5
DMV
122
114
67
2
26
9
27
20
28
11
12
13
14
18
17
16
15
23
3
(MOTOR DRIVE)
IC2501
ACT T-
ACT T+
ACT F-
ACT F+
OPTICAL PICK UP UNIT
ACTUATOR
COIL
TRACKING
COIL
FOCUS
OPTICAL PICK UP UNIT
LASER DIODE
LASER DIODE
PHOTO DETECTOR
B3
B4
B2
B1
A3
A4
A2
A1
AMP
HEAD
Q5111
LD DRIVE
LD DRIVE
Q5115
LPC2
LPCO2
LPC1
LPCO1
RFINP
CRFHP1
PEAK
RSCL
CRFHP2
RFINN
VIN10
VIN9
VIN4
VIN3
VIN2
VIN1
VIN8
VIN7
VIN6
VIN5
8
98
RFTE
12
STDIO
SCK
SEN
20
19
18
REG
LOGIC
AMP
LPC
3
4
1
2
63
62
TEFLT
+
-
11
FBAL
7
14
FE
13
FS
+
-
+
-
FBAL
DET.
PHASE
ENTIAL
DEFFER-
DET.
PHASE
ENTIAL
DEFFER-
COMP.
HPF
EQ
COMP.
HPF
EQ
COMP.
HPF
EQ
COMP.
HPF
EQ
61
60
59
58
(FEP)
IC5201
REFNV
49
TESTSG
43
DCAGC
31
DCFLT
36
POFLT
CONT.
LEVEL
TEFLT
DET.
DPDOFT
CONT.
LEVEL
DET.
MIRROR
21
22
DET.
BDO
CONT.
LEVEL
CONT.
GD
FLTON
SAG
FLTOP
FLTON
FLTOP
35
34
-
+
DET.
ENV
CONT.
AGC
CONT.
LEVEL
-
+
EQ
CONT.
BOOST
CONT.
FC
VGA
LPF
AMP
AMP
AMP
AMP
AMP
AMP
TBAL
AMP
AMP
AMP
AMP
AMP
AMP
54
53
52
51
+
-
HOLD
S LINE
NW
DET
+
-
+
-
-
+
47
46
PWM1
PWM2
PWM3
53
54
55
AD1
RFDIF
TBAL
FBAL
66
AD0
AD2
OFTR
51
(DSC/ODC)
IC2001
BDO
52
NARF
ARF
TSTSG
AD3
82
120
111
110
119
117
118
38
SERVO BLOCK DIAGRAM
Summary of Contents for DVD-S840
Page 60: ...DVD S840 60 FRONT 1 P C B 1 A B C D E F 2 3 4 5 6 7 8 9 FRONT 2 P C B PRINTED CIRCUIT BOARD ...
Page 64: ...DVD S840 64 Page 70 G10 SCHEMATIC DIAGRAM TERMINAL P C B 2 3 AUDIO OUT 1 SECTION ...
Page 65: ...DVD S840 65 SCHEMATIC DIAGRAM TERMINAL P C B 3 3 AUDIO OUT 2 SECTION ...
Page 67: ...DVD S840 67 SCHEMATIC DIAGRAM MODULE P C B 2 6 SODC SECTION ...
Page 68: ...DVD S840 68 SCHEMATIC DIAGRAM MODULE P C B 3 6 AVDEC SECTION ...
Page 71: ...DVD S840 71 SCHEMATIC DIAGRAM MODULE P C B 6 6 CPU SECTION ...
Page 72: ...DVD S840 72 Page 66 G1 SCHEMATIC DIAGRAM INTERMEDIATE P C B ...
Page 82: ...A B C D E 1 2 3 4 5 6 7 DVD S840 82 EXPLODED VIEW ...
Page 84: ...A B C D E 1 2 3 4 5 6 7 DVD S840 84 DVD MECHANISM EXPLODED VIEW ...