Sony CDX-616 Service Manual ▷ View online
CDX-616
– 19 –
– 20 –
SECTION 7
DIAGRAMS
XROF
M
M
M
A
B
D
F
E
C
I-V AMP
DETECTOR
39
38
2
1
12
13
27
OUT+
OUT–
SLO
OUT–
OUT+
OUT+
OUT–
SPINDLE
MOTOR DRIVE
M101
(SPINDLE)
SLED
MOTOR DRIVE
26
M102
(SLED)
FOCUS
COIL DRIVE
TRACKING
COIL DRIVE
OUT+
OUT–
19
24
4
10
IN
IN
IN
IN
SLP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC51
16
14
SLED
AMP
LD
PD
LASER DIODE
OPTICAL PICK-UP
(KSS-521A)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
33
32
27
44
23
22
20
21
19
23
RF AMP,
FOCUS/TRACKING
SERVO
IC11 (1/2)
FOCUS OK
COMPARATOR
MIRR
AMP
DEFECT
AMP
FOCUS OK
AMP
IIL DATA REGISTER
40
38
FILTER
42
39
FILO
PCO
CLTV
FILI
DIGITAL PLL
ASYMMETRY
CORRECTION
CORRECTION
EFM
DEMODULATOR
DIGITAL
OUT
ERROR
CORRECTOR
16K
RAM
INTERNAL BUS
SUB-CODE
PROCESSOR
SERVO AUTO SEQUENCER
DIGITAL CLV
17
15
52
54
50
100
16
8 7 9 10 12 11 75 76 77
61
26
28
14
13
1
7
4
5
4
5
CH.F
CH.R
CHUCKING
MOTOR DRIVE
CHUCKING MOTOR DRIVE
IC52
FIN
RIN
OUT1
OUT2
SW11
(CHUCKING END DETECT)
LOAD1
LOAD2
SW12
(SAVE END DETECT)
SW1
(LIMIT)
M103
(CHUCKING)
41
42
36
37
1
40
45
2
47
17
16
6
25
24
13
+
PD1
PD1 I-V AMP
RFO
RF
46
ASYI
47
ASYO
FOK
DATO
CLKO
XLTO
SEIN
CNIN
CNIN
C.OUT
FOK
SUBQ
SCLK
SENS
CD.DATA
CD.CLK
CD.XLT
SCOR
MON
MDP
MDS
29
LOCK
64
SQSO
SQCK
SENS
DATA
CLOCK
XLAT
SCOR
SBSO
EXCK
GFS
GTOP
WFCK
EMPH
C4M
XRST
RFI
FOK
DATA
CLK
SENS1
26
SENS2
C.OUT
XLT
LOCK
XRST
PD2 I-V AMP
PD2
TTL
IIL
FEO
TEO
PD
FEI
FEO
TAO
TEI
TTL
IIL
TTL
IIL
FOCUS
ERROR
AMP
RF
SUMMING
AMP
TRACKING
ERROR
AMP
TRACKING PHASE
COMPENSATION
FOCUS PHASE
COMPENSATION
AUTOMATIC
POWER CONTROL
Q11
I-V
AMP
LD
AMP
PD
AMP
FE BIAS
RV14
F
E
LD
89
XTAI
PCMD
71
D.OUT
BCKO
LRCK
63
C2PO
62
49
RFCK
PCMD
BCK
LRCK
PCMD
BCK
LRCK
WDCK
XRST
SLED SERVO
IC11 (2/2)
05
DIGITAL SIGNAL PROCESSOR,
CLV SERVO
IC101
SYSTEM CONTROLLER
IC201 (1/2)
ON : When completion of the disc
chucking operation.
ON : When completion of the disc
chucking operation.
ON : When the optical pick-up
is inner position.
• SIGNAL PATH
(Page 21)
: CD PLAY
27
FOCUS
GAIN
CPU INTERFACE
D/A
INTERFACE
CLOCK
GENERATOR
70
74
72
58
WFCK
SCLK
SBSO
22
SENS2
8
54
52
51
23
23
67
65
66
63
GFS 24
21
C
(Page 21)
B
(Page 21)
A
SCOR
(Page 21)
D
LIM.SW
9
7
6
DIGITAL FILTER, D/A CONVERTER,
LOW-PASS FILTER
IC601
SERIAL
INPUT
INTERFACE
TIMING
GENERATOR
CPU
INTERFACE
OSC
MUTING
CONTROL SWITCH
Q601, 602
MUTING
Q610
LOW-PASS
FILTER
DIGITAL
FILTER
CIRCUIT
∆Σ
MODULATOR
CIRCUIT
DATA
BCK
LRCK
MCK
X601
16.9344MHz
RO
LO
HS
EMP
XO
XI
21
19
16
15
9
5
22
23
24
13
MUTING
Q620
R
L
CN901 (1/2)
AUDIO OUT
EMP
ML
44
45
A.MUTE 43
7-1.
BLOCK DIAGRAM – SERVO/DA CONVERTER Section –
CDX-616
– 21 –
– 22 –
7-2.
BLOCK DIAGRAM – CD TEXT DECODER/BUS CONTROL/POWER SUPPLY Section –
76
77
A
WFCK
CSI
CSO
CCLK
CCLK
CSI
REQ
BUSY
BUSY
CCLK
SCOR
WFCK
8
9
SCLK
SSI
SYSTEM CONTROLLER
IC201 (2/2)
05
CD TEXT DECODER
IC501
S-RAM
IC502
(Page 20)
B
SCLK
IC503
SBSO
(Page 20)
C
(Page 20)
D
SCOR
(Page 20)
11 – 13, 15 – 19
10 – 3, 25, 24, 21, 23, 2, 26, 1
11 – 18, 64 – 69, 74
DO0 – DO7
20 – 27
DATA0 – DATA7
A0 – A14
ADD0 – ADD14
CE
CE
WE
WE
WE
CSO
REQ
BUCK
D501
XT
AL
EXT
AL
28
78
RESET
75
X501
10MHz
30
29
RST
MAG.SW
MGLK
EXTAL
XTAL
X201
8MHz
M
1
7
4
5
70
58
ELV.R
ELV.F
ELEVATOR
MOTOR DRIVE
ELEVATOR MOTOR DRIVE
IC301
FIN
RIN
OUT1
OUT2
M104
(ELEVATOR)
57
SW201
MAGAZINE EJECT
END DETECT
SW202
MAGAZINE IN/OUT
DETECT
60
2
13
8
7
69
30
B.UP
DATA
CLK
BUSON
RST
SCK
SO
SI
68
BU.CHK
CD.ON
BUS.ON
W.UP
EJECT
7
5
4
6
2
REGULATOR
Q303
+5V
REGULATOR
Q307
MICON +5V
MICON +5V
D313
RESET SIGNAL
GENERATOR
IC304
SERVO +5V,
DAC +5V
MICON +5V
MICON +5V
RST
LEVEL SHIFT
D307
BATTERY CHECK
Q301, 302
D308
D306
+9V
REGULATOR
Q309
REGULATOR
CONTROL SWITCH
Q308
REGULATOR
CONTROL SWITCH
Q306
REFERENCE VOLTAGE
SWITCH
Q201
LINEAR POSITION
SENSOR
D309
SERVO +9V
D311
12
1
4
11
9
6
10
ELV.ON
MCK
RV201
38
EHS 39
AVREF 37
RESET
SWITCH
RST
BUSON IN
CLK
DATA
LOF
SCK
SO
SI
BUSON OUT
BUSON OUT
RESET
RV202
ELEVATOR HEIGHT
SENSOR
55
48
50
49
62
64
SW301
6
BUS INTERFACE
(FOR SONY BUS)
IC302
CN901 (2/2)
(FOR SONY BUS)
CONTROL
20
27
62
63
7
6
5
4
56
79
78
77
77
76
74
32
31
61
– 23 –
7-3.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
C
: panel designation.
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
r
: Through hole.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from CD changer controller.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
J
: CD PLAY
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
CDX-616
– 25 –
– 26 –
• Semiconductor
Location
Ref. No.
Location
IC11
C-6
IC51
B-7
IC52
G-4
Q11
D-6
7-4.
PRINTED WIRING BOARDS – RF/SW Boards –
(Page 30)
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