Block Diagram - Control Unit (Bus Control/Power Supply Section) - Sony XES-Z50 Service Manual
Digital reference sound system
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Also See for XES-Z50:
- Operating instructions manual (64 pages) ,
- Operating instructions manual (72 pages) ,
- Service manual (152 pages)
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7-5. BLOCK DIAGRAM – CONTROL UNIT (BUS CONTROL/POWER SUPPLY Section) –
SIRCS
BUFFER
(Page 80)
C
IC942 (2/2)
DISPLAY CONTROLLER
IC802 (2/2)
LINK-OFF
2
SIRCS
3
SIRCS
BUS ON
UNISO
UNICKI
SYSRES
LCD-BLON
REFERENCE
MECHA
VOLTAGE
+5V
SWITCH
SIRCS
61
Q11
4
VREF
OUT2
IN2
OPEN
6
58
PNL M–
10
M
MOTOR
OUT1
IN1
CLOSE
DRIVE
2
5
59
PNL M+
M1
FRONT PANEL DESORPTION
FRONT PANEL
MOTOR DRIVE
DESORPTION
IC11
FRONT PANEL DESORP-
SCHMITT
TION MOTOR ROTATION
53
FG
TRIGGER
DETECT
IC513
PH21
S21
57
PNL SW1
S21 – 23
S22
FRONT PANEL
56
PNL SW2
POSITION DET
S23
55
PNL SW3
05
SIRCS BUFFER
Q521
94
BUS ON SWITCH
Q516
TUNER CONTROLLER
IC502 (2/2)
17
45
46
42
44 14 16
D520
LEVEL SHIFT
Q518
87
LEVEL SHIFT
13
Q517
UNISI
15
17
LEVEL SHIFT
63
IC808
BU-IN
64
84
BU-IN
93
X502
X501
5MHz
32.768kHz
69
70
73
72
SYSTEM CONTROLLER
13
12
22
65
5
6
KEY ACTIVE
P.U +5V
EEPROM
IC515
S2
SWITCHING
PNL SW4
54
IC51 (1/2)
S1
11
13
S1, 2
NOSE SW
64
12
FRONT PANEL
SWITCHING
DESORPTION DET
IC51 (2/2)
SCHMITT
TRIGGER
S41
IC31
(NOSE DET)
– 81 –
CN502 (2/2)
3
9
5
4
11
6
7
1
(TO CD CHANGER)
D515
1
6
4
2
3
BUS INTERFACE
RESET
BATTERY
(FOR SONY BUS)
SWITCH
SWITCH
IC503
12
9
11
13
8
10
D523
CONNECTOR BOX &
D521
DISPLAY HOLDER
D522
(RESET)
20
16
17
19
18
21
60
62
IC501
76
77
80
1
78
79
SWITCH
IC501, 502
Q522
V.REF.
D577
+9V
D556
S3
4
6
5
3
7
2 CN508
OFF
TO ROTARY COMMANDER
(RM-X66)
CONNECTOR BOX &
DISPLAY HOLDER
SECTION
D
(Page 80)
REMOTE IN SWITCH
Q530
ACCESSORY CHECK
Q520
ANTENNA REMOTE
SWITCH
BATTERY CHECK
Q503, 504
SWITCH
Q515
D514
TUNER B+
REGULATOR
FM/AM TUNER
UNIT B+
RESET SIGNAL
B.U +5V
GENERATOR
IC504
PLL B+
REGULATOR
FM/AM TUNER
UNIT B+
SECTION
REGULATOR
SWITCH
Q505, 506
S42
(RESET)
+9V
+9V
FM/AM TUNER
REGULATOR
UNIT B+
IC505
S51
29 66 63 48
49
+9V
REGULATOR
ROTARY
Q511
COMMANDER
REGULATOR
45
KEY ILL
SWITCH
Q512, 513
32
50
B.U +5V
P.U +5V
B+ SWITCH
REGULATOR
MECHA +5V
Q532, 533
Q542
+5V
+5V
DISPLAY
REGULATOR
CIRCUIT B+
IC510
B+ SWITCH
Q509, 510
LED B+
+30V
DC/DC CONVERTER
+30V
REGULATOR
CIRCUIT
LIQUID CRYSTAL
Q803
IC801, Q801, 802
DISPLAY MODULE
+9V
LCD B+
REGULATOR
(FOR BACK LIGHT)
IC511
A
(Page 78)
– 82 –
XES-Z50
D519
4
TEL-MUTE
D540
1
AUX-ON
D507
2
ACCESSORY
5
ANT-REM
Q508
L501,
L506
3
BATTERY
Q507
CN501
POWER SUPPLY
CONNECTOR
B+ SWITCH
Q501, 502
B
(Page 79)
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