Read Sony CDX-601 / CDX-636 Service Manual 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
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