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Sony Manuals
CD Player
HCD-GRX80
Service manual
Block Diagrams; Cd Section - Sony HCD-GRX80 Service Manual
Compact disc deck receiver
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:
Service manual
(72 pages)
,
Service manual
(16 pages)
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Contents
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Table of Contents
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HCD-GRX80/RXD8/RXD8S
7-2. BLOCK DIAGRAMS
– CD SECTION –
OPTICAL PICK-UP BLOCK
B+
DETECTOR
K
E
1
A
4
2
A
D
D
5
10
B
C
C
6
B
F
LD DRIVE
LASER
DIODE
TRACKING
FOCUS
COIL
COIL
2-AXIS
DEVICE
SLED/SPINDLE
MOTOR DRIVE
IC102 (2/2)
11
SLED MOTOR
M102
M
•
6
DRIVE
SLED MOTOR
12
M101
13
SPINDLE MOTOR
SPINDLE
M
3
•
DRIVE
MOTOR
14
09
FOCUS/TRACKING SERVO.
RF AMP
IC101 (1/2)
38
PD1
RF O
33
RF
44
39
PD2
LOCK
19
29 LOCK
41
F
C.OUT
24
14
CNIN
42
E
SENS1
25
15
SEIN
SENS2
26
15 16 17
2
FEI
6
FE O
1
FEO
FE M
7
TEO
45
TA M
12
47
TEI
TA O
13
DATA
22
XLT
21
CLK
20
36
LD
FOK
27
Q101
37
PD
XRST
23
9
MUTE
T+
15
TRACKING
27
COIL DRIVE
16
T–
FOCUS/TRACKING
COIL DRIVE
IC102 (1/2)
F –
18
FOCUS
26
F+
COIL DRIVE
17
SLED
SERVO
IC101 (2/2)
16
SL O
SL P
14
– 19 –
IC381
IC381
CD DIGITAL
1
D.OUT
OUT
OPTICAL
71
DIGITAL SIGNAL PROCESSOR
IC103
27 23
21
10 11 12
75 8 7 9
S101
LIMIT
TURN
MOTOR DRIVER
IC701
M701
7
OUT1
TURN
M
2
OUT2
MOTOR
SLIDE
MOTOR DRIVER
IC801
M801
4
OUT2
SLIDE
M
7
MOTOR
OUT1
X101
16.9344MHz
89 • 90
86
L-CH
LOUT1
LOUT2
93
R-CH
100
CD CLK
CD DATA
SENS2
SCOR
SQ DATA
SQ CLK
SENS
XRST
XLAT
TABLE
SECTION
SENSOR
TRAY SENS
(Page 23)
IC702
DISC
SENSOR
DISC SENS
IC703
Q701
ENC 1
ROTARY
ENCODER
ENC 2
S811
ENC 3
S801
OPEN/CLOSE
OUT-OPEN
DET
IN1
3
TBL.L
IN2
6
TBL.R
• R CH: Same as L ch
• SIGNAL PATH
RIN
2
LD IN
10
LD OUT
FIN
– 20 –
C
MAIN
: CD
: Digital out
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Hcd-rxd8s
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