Sony CDX-616 (serv.man2) Service Manual ▷ View online
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
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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
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– 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)
CDX-616
7-5.
SCHEMATIC DIAGRAM – RF/SW Boards –
•
See page 39 for Waveforms.
•
See page 41 for IC Block Diagrams.
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
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(Page 33)
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