Block Diagram - Changer Unit (Bus Control/Power Supply Section) - Sony XES-Z50 Service Manual

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