Sony XES-Z50 Service Manual ▷ View online
XES-Z50
7-11.
BLOCK DIAGRAM – CHANGER UNIT (BUS CONTROL/POWER SUPPLY Section) –
– 93 –
– 94 –
SONY BUS CONTROL
CN13
B+
BUS ON
RESET
BUS DATA
BUS CLK
SIRCS
7
6
5
4
3
2
SIRCS
3
BUS ON
9
BUS DATA
5
BUS CLK
4
RESET
11
LCD-DATA
6
DSP-DATA
7
B+
1
CN12 (2/2)
MASTER BUS
CONTROLLER
05
TO
CONTROL
UNIT
7
6
4
7
6
4
2
BUS INTERFACE
(FOR SONY BUS)
IC306
RESET
SWITCH
8
RSTI
RSTO
DATAO
DATAI
DATA
10
9
CLKO
CLKI
LOFF
LOF
DATA
CLK
RST
BIN
11
8
10
9
11
SWITCH
SWITCH
SWITCH
BUSON
BOUT
BUSON
OUT
12
13
1
1
BUS ON
SWITCH
Q392
93
+5V
RESET SIGNAL
GENERATOR
IC303
SCHMITT
TRIGGER
TRIGGER
IC305 (1/2)
MASTER
CONTROLLER
IC301 (4/4)
63 SYSRST
BU-IN
BU-IN
UNISI
UNICKI
BUS ON
UNISO
84
64
BATTERY
CHECK
Q801
D804
1
7
IC305
(2/2)
15
13
17
87
LINK OFF2
LINK OFF1
X-IN
EX-IN
66
67
14
12
BUS INTERFACE
(FOR SONY BUS)
IC951
BUFFER
IC413 (3/3)
BUS ON
SWITCH
Q393
12
95
RESET
SWITCH
SI
SO
SCK
RSTO
S-OUT (TX)
S-IN (RX)
2
X301
14.74MHz
PW-ON
12
RST
SCK
SO
SI
BUSON
IC414 (3/5)
11
10
A/D, D/A
CONVERTER
CIRCUIT
+15V
–15V
+5V
–5V
+18V
–18V
+8V
–8V
+15V/–15V REGULATOR
IC1501, 1502
+5V/–5V REGULATOR
IC1503, 1504
+9V
MOTOR SERVO
CIRCUIT
+5V
DIGITAL
CIRCUIT
CIRCUIT
SYSTEM
CONTROLLER
AV. REF
B+ SWITCH
Q303, 304
+9V
REGULATOR
IC905
B+ SWITCH
Q903
BATTERY
CHECK
Q901, 902
DC/DC
CONVERTER
UNIT
2
1
3
CN11
POWER
+12V
REM OUT
GND
REMOTE
SWITCH
Q871, 872
REGULATOR
IC804
REGULATOR
Q802
+5V REGULATOR
IC802
+3.3V
REGULATOR
IC803
B+ SWITCH
Q502, 503
+5V REGULATOR
IC904
+5V REGULATOR
IC902
+5V REGULATOR
IC901
+9V
REGULATOR
IC801
B+ SWITCH
Q803, 804
B+ SWITCH
Q904, 905
12
ELVON
1 LED
EJTKEY
WUP
BUSON
SI
SO
SCK
55
60
54
52
53
51
SYSTEM
CONTROLLER
IC301 (3/3)
11
D902
+5V
(RF CIRCUIT)
+5V
(SERVO CIRCUIT)
+5V
(D15V)
+9V
(RELAY B+)
IC414 (4/5)
+5V
OPTICAL
RECEIVER
CIRCUIT B+
+3.3V
+5V
CLOCK GENERATOR
(IC503)
4
3
+5V
(UC5V)
19
20
23
DIR-SEL
IC414 (5/5)
PW ON
PW ON
1
2
L802
L801
L803
(1/2)
(1/2)
L803
(2/2)
(2/2)
F1
BUSON
SI
SO
SCK
SCK
D301
+5V
SW11
BATTERY CHECK
(Page 88)
(Page 88)
(Page 92)
(Page 86)
(Page 86)
– 95 –
– 96 –
XES-Z50
•
Circuit Boards Location
– CONTROL UNIT –
– CHANGER UNIT –
– CONNECTOR BOX & DISPLAY HOLDER SECTION –
OPEN/CLOSE 1 board
OPEN/CLOSE 2 board
FM/AM TUNER assy
LIQUID CRYSTAL MODULE
DISPLAY board
TRANSLATION (CONNECTOR)
board
board
TRANSLATION (HIDE) board
LINE OUT board
DPT board
SW board
EJT board
SENSOR board
DRIVER board
DOE board
DSP board
LINE IN board
DAC board
MAIN board
TRANSLATION board
CHANGER board
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