Block Diagram -Display/Bus Control Section - Sony XR-M500R Service Manual

7-3. BLOCK DIAGRAM –DISPLAY/BUS CONTROL Section –
ILL ON
K
(Page 30)
SPECTRUM ANALYZER BAND-PASS FILTER
SPECTRUM
SPEANA AIN
H 8
ANALYZER BUFFER
IC101
(Page 28)
D103
MUTE
MUTING
J
Q611
(Page 28)
RESET SIGNAL
BACK UP +5V GENERATOR 90
IC602
86
S901
(RESET)
S902
RESET
RAM RESET
BACK UP +5V 85
IC603
+9V
REGULATOR BATT B+
IC503
REFERENCE
VOLTAGE SWITCH
FRONT PANEL
Q501, 502
OPEN/CLOSE MOTOR DRIVE
IC502
5 4 12
OPEN
OUT1
3 11
MOTOR
M
OUT2 CLOSE
DRIVE
14 6
M601
MOTOR OVER LOAD
RNF
FRONT PANEL
16 DETECT
OPEN/CLOSE
IC500, Q500
05
LIQUID CRYSTAL DISPLAY
DRIVE CONTROLLER
IC607
52 ILL-ON
TX/LCD-DATA
IC102
AOUT
PEAK MULTI
B.P.F. 17 105 SPE-IN
HOLD PLEXER
f: 6.8Hz
to
14.4kHz REGISTER
A
10 40 SPE-A
B
11 SPE-B
41
DECODER C
12 42 SPE-C
SEL
14 43 SPE-SEL
86 EXTAL
X602
18.432MHz
85 XTAL
D628
SCHMITT TRIGGER
81 RES
IC606
57 46 47
6 106 115 116
RESET
HSTX
SYSTEM CONTROLLER
RAMBU
40 98 97 96 92 93 74 73 15
X601 X600
3.68MHz 32.768kHz
D509
BUZZER DRIVE
Q604
BZ600
(BUZZER)
LSW902, 904 – 918,
LIQUID CRYSTAL DISPLAY DRIVER
LCD-INH 69 97
LCD-SCK 64 99
LCD-CE0 66 98
LCD-CE1 70
60 100
62
RX
LIQUID CRYSTAL DISPLAY DRIVER
97
99
98
LINK-OFF 50
100
LEVEL SHIFT
UNISO 97
Q503
DATA
UNISI 98
CLK
UNISCK 101
BUS-ON
BUS-ON 38
BU IN
BU-IN 49
NMI 82
D611
33
4 12 13
IC601 (3/4)
111 46 47 48 72 79
BACK UP +5V
KEY ACTIVE
SWITCH
Q600, 601
S901
CASSETTE
D627
IN/OUT DETECT
D501
(XR-M500R)
LSW901 – 919,
LSW921 – 925,
J500
S901, 902
REMOTE IN
(XR-M550)
LSW921 – 925,
S901, 902
29 29
IC901
LED903 – 908,
LED DRIVE
86
DIMMER
LED911 – 916
Q905, 906
(LCD BACK LIGHT)
VLCD 85
LCD-INH
LCD-CLK
LCD-CE0
LCD-DATA LIQUID CRYSTAL
DISPLAY
(OPERATION SIDE)
LCD902
96
OSC
C906, R972
IC902
LIQUID CRYSTAL
LCD-INH DISPLAY
(SECURITY SIDE)
LCD-CLK
LCD901
LCD-CE1
LCD-DATA
VLCD 85
LCD-SW2 84
LCD-SW1 85
96
OSC
C911, R982
RESET
13
DATA
IN
UNISO 18 9
DATA
DATA
OUT
UNISI 17 8
CLK
CLK
IN
UNICKO 19 11
BUS-ON
BUS
ON
BUS-ON 14 12
BU IN
BU IN
BU-IN 77 10
SIRCS 24
80 AD ON
XR-M500R/M550
REGULATOR
LCD +9V
D909
REGULATOR
CONTROL SWITCH
Q910
LSW-SW1, LSW-SW2
L
(Page 30)
BATT B+
TH601
SONY BUS INTERFACE
IC501
7
BATT
2
RESET RST
2 RESET
SWITCH
5
DATA
6 DATA
D513
4
CLK
4 CLK
BUS ON/OFF
BUS SWITCH
6
BUS ON ON Q505
1 BUS ON
SWITCH
BATT
BATTERY
3 BATT B+
CHECK
D508
D505
BATTERY CHECK
BATT B+
Q504
D502
3
SIRCS BUFFER
SIRCS
Q506
CN500
BUS CONTROL IN
REMOTE CONTROL
RECEIVER
(FOR SONY BUS)
IC900 (SUB Board)
REMOTE CONTROL
RECEIVER
IC903 (DISPLAY Board)