Block Diagrams; Bd Section - Sony HCD-SD1 Service Manual

7-2. BLOCK DIAGRAMS

– BD SECTION –
OPTICAL PICK-UP
(KSS-213B)
B+
DETECTOR
K
E
1
A
4
A D 2
D
5
B C 10
C
6
B
F
PD LD
LASER
DIODE
FOCUS TRACKING
COIL COIL
2-AXIS
DEVICE
SLED/SPINDLE
MOTOR DRIVE
IC102 (2/2)
26 SLED MOTOR
M102
M
•
SLED MOTOR DRIVE
27
M101
1 SPINDLE MOTOR
M
•
SPINDLE
DRIVE
2
MOTOR
09
• SIGNAL PATH
: CD
: Digital out
TRACKING/FOCUS SERVO,
RF AMP
IC101 (1/2)
35 PD1 31 14 RF
RFO
36 PD2 RFI 30
38 F C.OUT 23 55 CNIN
39 24 54 SEIN
E SENS
RV102 RV101
FOCUS FOCUS
GAIN BIAS
2 FEI FE BIAS 37 +5V
1 FEO FE-O 6
42 7
TEO FE-M
TA-M 12
44 13
TEI TAO
RV103
21
DATA
TRACKING
XLT 20
GAIN
19
CLK
LD DRIVE
33 LD FOK 25
Q101, 102
FOCUS SW
34 4
PHD FGD
Q103
XRST
22
7
XRST
T+
18
TRACKING
19
17 COIL DRIVE
T–
TRACKING/FOCUS
COIL DRIVE
IC102 (1/2)
F–
12
FOCUS
9
F+
COIL DRIVE
11
SLED
SERVO
IC101 (2/2)
25 16 SLO SL+ 14
4
– 17 –
DIGITAL SIGNAL PROCESSOR
IC103
56 57 59 3 1 64 63 51 52 53 43 46 47 49 50
S101
(LIMIT)
2
M904 (CD)
M
LOADING
MOTOR
10
X101
22.5792 MHz
34 4 5 • 6
DIGITAL FILTER
D/A CONVERTER
IC104
21 2 DATA LOUT 16
PCMD CD LOUT
LRCK 20 1 LRCK
22 3 BCLK ROUT 13
BCLK
39 26 28 27
D OUT
CLK
DATA
XRST
SCOR
SENS
SQCK
SQSO
DF LAT
XLAT
FOCUS SW
MOTOR
DRIVER
IC351
DRIVE 5 LOAD-OUT
DRIVE 6 LOAD-IN
OUT-SW
S291
(LOAD OUT)
IN-SW
S292
(LOAD IN)
– 18 –
HCD-SD1
MAIN
A
SECTION
(Page 19)
MAIN
A
SECTION
(Page 19)
MAIN
A
SECTION
(Page 19)