Diagrams; Block Diagram - Cd Section - Sony HCD-MD1EX - System Service Manual

7-1. BLOCK DIAGRAM – CD Section –
A
PD1
4 35
DETECTOR
A D
D PD2
5 36
C
1
B C
B
2
FE BIAS
37
RV101
F
F FOCUS BIAS
10
E
E
6
OPTICAL PICK-UP
(KSS-213B/K-N)
F
38
E
LASER DIODE 39
AUTOMATIC
LD
POWER CONTROL 33
Q101, 102
PD LD
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
2-AXIS
DEVICE
TRK+ OUT3B
18
OUT3A
17
TRK–
OUT2B
FCS+
11
FCS– OUT2A
12
OUT4A
M102 27
M
OUT4B
(SLED)
26
05
OUT1A
1
M101
M
OUT1B
(SPINDLE)
2
SECTION 7

DIAGRAMS

RF AMP,
FOCUS/TRACKING/SLED SERVO
IC101
RF AMP
RF
RFO
+
31
SUMMING
RF AMP
AMP
RFI
30
FOCUS OK
COMPARATOR
FOCUS OK
AMP
MIRR
AMP
TTL
IIL
DEFECT
AMP
FOCUS
FEO FEI FOCUS PHASE
ERROR 1 2
COMPENSATION
AMP
RV102
FOCUS GAIN
TRACKING
I-V TEO TEI
TRACKING PHASE
ERROR 42 44
AMP
COMPENSATION
AMP
RV103
TRACKING
LD PD
GAIN
AMP AMP
PD
SLO
SLED
34 16
AMP
IC102
IC102 (1/2)
TRACKING IN3A
19
COIL DRIVE
OP+
16
IN2B OPOUT +
FOCUS
9 14
COIL DRIVE –
IC102 (2/2)
IN4A
SLED MOTOR
25
DRIVE
SPINDLE IN1B
4
MOTOR DRIVE
7
XRST
– 33 –
FILTER
DIGITAL SIGNAL
PROCESSOR, CLV SERVO
IC103
7 12 9 8
RF ASYMMETRY
14 DIGITAL PLL
CORRECTION
FOK FOK
25 1
DATA DATO
21 56
CLK CLKO
TTL
19 59
XLT XLTO
20 57
IIL
XRST
22
SENS SEIN
IIL
24 54
C.OUT CNIN
23 55
TTL
DIGITAL
50 XRST
FEO
CLV
FOCUS
6
SWITCH
Q103
FGD
4
2 3 4 64
TAO
13
SL+
14
59 FOCUS-SW
60 BD-REST
55
S916
(CD LID OPEN/CLOSE DETECT)
(ON: CD lid is closed.)
S104
(DISC DETECT)
DISC IN DISC OUT
CLOCK XTAI
34
GENERATOR
PCMD
21
D/A BCLK
EFM
22
INTER-
DEMODULATOR
LRCK
20
FACE
16k
RAM
SUB-CODE ERROR
CORRECTOR
PROCESSOR
DIGITAL
OUT
DOUT
39
WFCK
41
GFS
27
CPU
INTERFACE
46 47 49 51 53 52 43 44 63
S101
(LIMIT)
ON: When the optical pick-up is
inner position.
DATA
CLK
46 48 53 50 49 51 22 52
MASTER CONTROLLER
(CD MECHANISM CONTROL)
IC707 (1/3)
56 58 57
6 5
CD LID OPEN/CLOSE
MOTOR DRIVE
IC702
10 2
M
M103
(CD LID OPEN/CLOSE)
– 34 –
HCD-MD1EX
DIGITAL FILTER,
D/A CONVERTER,
LOW-PASS FILTER
IC104
XTI 5
4 CKO
X101
16.9344MHz
XTO 6
2 DATA
3 BCLK
CD-L
1 LRCK LOUT 16 A
(Page 37)
ROUT 13 R-CH
26 27 28
DOUT
B
(Page 36)
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)