Read Sony CMT-DC1K / HCD-DC1K Service Manual online
HCD-DC1K
15
15
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD SERVO Section –
I-V AMP
DETECTOR
(TRACKING)
(FOCUS)
2-AXIS DEVICE
LASER DIODE
A
B
C
D
F
E
6
7
8
10
11
4
2
1
5
10
6
7
D+5V
LD
PD
VCC
LD
PD
AUTOMATIC
POWER
CONTROL
Q101
5
RF
SUMMING
AMP
RF EQ
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
FI-V AMP
EI-V AMP
APC LD
AMP
APC PD
AMP
4
PD
16
14
13
22
21
RFO
FE
TE
LD ON
HOLD SW
LD
3
ASYMMETRY
CORRECTION
CORRECTION
EFM
DEMODULATOR
DIGITAL
PLL
51
49
48
RFAC
ASYI
ASYO
54 56 53 55
FILO
PCO
CLTV
FILI
ERROR
CORRECTOR
16k
RAM
INTERNAL BUS
D/A
INTERFACE
SERIAL
IN
INTERFACE
DIGITAL
FILTER
NOISE SHAPER
PWM
&
INTEGRATOR
DIGITAL
OUT
• SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
60
70
77
D OUT
AOUT1
AOUT2
AIN1
AIN2
51
51
71
76
72
75
LOUT1
LOUT2
BUFFER
CD L IN
R-CH
SUBCODE
PROCESSOR
SERVO AUTO
SEQUENCER
CPU INTERFACE
2
5
7
6
20
8
1
14
SQCK
DATA
CLOK
XLAT
SCOR
SENS
SQSO
XLON
TO
MIRR/DFCT/FOK DETECTOR
IC101 (2/2)
9
27
SCLK
SSTP
26
MDP
S101
(LIMIT)
TE
FE
RFDC
SE
41 39 43
40
A/D
CONVERTER
FOCUS/TRACKING/SLED
PWM GENERATOR
FOCUS/TRACKING/SLED
SERVO DSP
MIRR/DFCT/FOK
DETECTOR
23 22
24
DFCT
MIRR
FOK
TO
SERVO
INTERFACE
IC101 (1/2)
IC101 (1/2)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
14
13
12
11
17
18
15
16
CH1OUTF
CH1OUTR
CH2OUTF
CH2OUTR
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
CH1FIN
CH1RIN
CH2 FIN
CH2RIN
CH3FIN
CH3RIN
2
3
5
6
24
23
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
MOTOR
DRIVE
COIL
DRIVE
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
M
M
(SLED)
(SPINDLE)
CH4SIN
25
33
32
31
30
28
29
FRDR
FFDR
SFDR
SRDR
TRDR
TFDR
MUTE
20
MUTE
Q803
Q804
Q806
Q802
Q808
Q807
Q805
SERVO
INTERFACE
DIGITAL
CLV
3
XRST
67
66
XTAL
XTAO
X101
16.9344MHz
TIMING
LOGIC
CLOCK
GENERATOR
OPTICAL
TRANSCEIVER
IC321
VDD
OPTICAL
DIGITAL OUT (CD)
DATA
CLK
LATCH
SENS
SQSO
SQCK
XRST
HOLD
C SCOR
A
(Page 16)
RF AMP
FOCUS/TRACKING ERROR AMP
IC103
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
OPTICAL
PICK-UP BLOCK
(KSS-213D)
M
M
Q802 – 808
CD ON SWITCH
• R-CH : R-ch is omitted due to same as L-ch.
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