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

Q Q
3 7 6 3 1 5 1 5 0
7-5. BLOCK DIAGRAM – CONTROL UNIT (BUS CONTROL/POWER SUPPLY Section) –
SIRCS BUFFER
(Page 80) C
IC942 (2/2)
DISPLAY CONTROLLER
2
3
T E
L 1 3 9 4 2 2 9 6 5 1 3
REFERENCE
MECHA
VOLTAGE
+5V SWITCH
Q11
4
VREF
OUT2 IN2
6
10
M
MOTOR
OUT1 IN1
DRIVE
2 5
M1
FRONT PANEL DESORPTION
FRONT PANEL
MOTOR DRIVE
DESORPTION
IC11
FRONT PANEL DESORP-
SCHMITT
TION MOTOR ROTATION
TRIGGER
DETECT
IC513
PH21
S21
S21 – 23
S22
FRONT PANEL
POSITION DET
S23
w w w
05
.
SIRCS BUFFER
Q521
IC802 (2/2)
LINK-OFF 94
BUS ON SWITCH
TUNER CONTROLLER
SIRCS
IC502 (2/2)
SIRCS
17 45 46 42 44 14 16
D520
LEVEL SHIFT
Q518
BUS ON 87
LEVEL SHIFT
UNISO 13
Q517
UNISI 15
UNICKI 17
LEVEL SHIFT
63
SYSRES
IC808
BU-IN 64
BU-IN 84
LCD-BLON 93
X502 X501
5MHz 32.768kHz
69
70 73 72
61 SIRCS
OPEN
13 12 65
22
PNL M–
58
CLOSE
59 PNL M+
5
6
P.U +5V
EEPROM
IC515
53 FG
S2
SWITCHING
54
PNL SW4
IC51 (1/2)
S1
57 PNL SW1 11
13
S1, 2
NOSE SW 64 12
FRONT PANEL
56 PNL SW2
SWITCHING
DESORPTION DET
IC51 (2/2)
55
PNL SW3
SCHMITT
TRIGGER
x a o
y
S41
IC31
(NOSE DET)
i
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8
CN502 (2/2)
3 9 5 4 11 6 7 1
(TO CD CHANGER)
D515
Q516
1 6 4 2 3
BUS INTERFACE
RESET BATTERY
(FOR SONY BUS)
SWITCH SWITCH
12 9
8 11 13 10
D523
D521
D522
Q Q
3 7 6 3
20
16 17 19 18 21 62 60
SYSTEM CONTROLLER
IC501
76 80 1 78 79
77
KEY ACTIVE
SWITCH
IC501, 502
Q522
V.REF.
D577
D556
S3
4 6 5 3 7 2 CN508
OFF
TO ROTARY COMMANDER
(RM-X66)
CONNECTOR BOX &
u 1 6 3
DISPLAY HOLDER
SECTION
.
D
(Page 80)
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9 2 4 9
REMOTE IN SWITCH
Q530
ACCESSORY CHECK
Q520
IC503
ANTENNA REMOTE
SWITCH
BATTERY CHECK
Q503, 504
SWITCH
Q515
D514
TUNER B+
REGULATOR
FM/AM TUNER
Q508
UNIT B+
RESET SIGNAL
B.U +5V
GENERATOR
IC504
PLL B+
REGULATOR
FM/AM TUNER
Q507
UNIT B+
CONNECTOR BOX &
DISPLAY HOLDER
SECTION
REGULATOR
SWITCH
Q505, 506
1 5 1 5 0 8 9 2
S42
(RESET)
+9V +9V
B+ SWITCH
FM/AM TUNER REGULATOR
UNIT B+ IC505
S51
(RESET)
29 66 63 48 49
+9V
REGULATOR
ROTARY
Q511
COMMANDER
REGULATOR
KEY ILL 45 SWITCH
Q512, 513
50
32
B.U +5V
P.U +5V
B+ SWITCH
REGULATOR
MECHA +5V
Q532, 533 Q542
+5V
+5V
DISPLAY REGULATOR
CIRCUIT B+
+9V IC510
B+ SWITCH
Q509, 510
LED B+
+30V DC/DC CONVERTER
+30V REGULATOR CIRCUIT
m
LIQUID CRYSTAL
Q803 IC801, Q801, 802
DISPLAY MODULE
c o
+9V
LCD B+
REGULATOR
(FOR BACK LIGHT)
IC511
A
(Page 78)
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XES-Z50
8 2 9 9
D519
4
TEL-MUTE
D540
1
AUX-ON
D507
2
ACCESSORY
5
ANT-REM
L501,
L506
3
BATTERY
CN501
POWER SUPPLY
CONNECTOR
4 9 8 2 9 9
Q501, 502
B
(Page 79)