Sony CDX-601 / CDX-636 Service Manual ▷ View online
16
16
CDX-601/636
7-2.
BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
RESET
SWITCH
7
DATA
CLK
BUSON
RST
5
4
6
2
B. UP
CONTROL
CN901 (2/2)
60
MCK
59
EHS
51
VREF
ELVON
RV201
ELEVATOR HEIGHT
(ADDRESS)
RV202
ELEVATOR HEIGHT
SENSOR
REFERENCE VOLTAGE
SWITCH
Q201
B. UP +5V
9
+8V
REGULATOR
IC304
DRIVER +8V
BUCHK 75
BATTERY
CHECK
Q301, 302
D306
D307
38
CDON 8
EJECT 63
RESET SIGNAL
GENERATOR
IC303
B. UP +5V
BUS +5V
BUS INTERFACE
(FOR SONY BUS)
IC302
D308
+5V
REGURATOR
Q303
+5V
REGURATOR
IC305
DAC/SERVO +5V
Z
SW801
76 MGLK
74 ELVF
73 ELVR
SW201
MAGAZINE IN/OUT
DETECT
ON : When magazine
is set
is set
3
4
48 EEDATA
49 EECLK
40 XTAL
41 EXTAL
5
6
9
7
MOTOR
DRIVE
IN1
IN2
OUT1
OUT2
ELEVATOR
MOTOR DRIVE
IC301
M
M104
(ELEVATOR)
DATA
CLK
EEPROM
IC203
(CDX-636)
X201
12MHz
B. UP +5V
SYSTEM CONTROLLER
IC201 (2/2)
05
RESET
28
–
21, 36
–
30
20
–
13
10
–
3, 25, 24, 21, 23, 2, 26, 1
11
–
13, 15
–
19
20
27
37
12
S-RAM
IC202
A0
–
A14
RAMA0
–
RAMA14
RAMIO1
–
RAMIO8
DO0
–
DO7
CE
WE
RAMCE
RAMWE
10
6
9
11
4
1
12
13
2
8
7
SO
SI
SCK
BUSON OUT
BUSON OUT
RESET
DATA
CLK
LOF
BUSON IN
RST
43
44
45
62
SI
SO
SCLK
BUSON
17
17
• Circuit boards Location
SWITCH board
JACK board
LSW board
RF board
MAIN board
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
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.
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.
•
f
: internal component.
•
C
: panel designation.
•
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 identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro
spécifié.
Ne les remplacer que par une
pièce portant le numéro
spécifié.
7-3.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
18
18
CDX-601/636
7-4.
PRINTED WIRING BOARDS – RF Section –
•
See page 17 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC101
H-4
IC201
I-3
Q101
F-5
(Page 20)
19
19
CDX-601/636
7-5.
SCHEMATIC DIAGRAM – RF Section –
•
See page 25 for for Waveforms.
•
See page 26 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
(Page 22)
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