Sony STR-VX700 Service Manual ▷ View online
29
IC851 µPC1237HA
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
30
IC506 BA3833F-E2
• PANEL BOARD
IC505 µPD4053BC
1
2
3
4
5
6
7
8
B1
B0
C.COM
CO
INH
VEE
VSS
VDD
B.COM
A.COM
A1
A0
A
B
C
C1
9
10
11
12
13
14
15
16
OPEN
OPEN
OPEN
2
3
14
1
f04
13 f
12 VCC
11 NC
10 NC
15 f03
5
GND
6
BIAS
C
7
NC
8
NC
9
NC
4
16 f02
17 f01
18 RESET
RESET
C
PREF
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
• MOTOR BOARD
IC891 LB1641
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
• MIC/ECHO BOARD
IC6002 M65850P
31
• Abbreviation
FL : Fluorescent indicator tube
4-19. IC PIN FUNCTION
• IC501 SYSTEM CONTROL (uPD780016AYGF-025-3BA)(PANEL BOARD)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
I/O
O
O
O
O
O
O
O
—
—
O
I
—
O
I
I
I
I
I
I
I
I
O
—
—
I
I
I
I
I
I
I
I
—
—
O
O
O
O
—
—
Description
Prologic clock output
Not used
Not used
Prologic relay drive signal output
DBFB level 2 signal output
DBFB level 1 signal output
Mute signal output
Ground
Test terminal (Connected to ground)
X’ tal (5MHz)
Power supply (+5V)
X’ tal (32kHz)
Reset signal input
RDS clock input
RDS data input
Rotary encoder (VOLUME) pulse input
Rotary encoder (MULTI JOG STATION) pulse input
Spectrum analyzer control output
Power supply (+5V)
Analog power supply (+5V)
Audio input for VACS control
Spectrum analyzer data input
Key data input
Back up signal input
Analog ground
Ground
FL data output
FL clock output
FL latch output
FL reset output
Ground
Ground
Pin Name
CLK
LEVEL A
LEVEL B
PROLOGIC RLY
DBFB B2
DBFB B1
TA MUTE
GND
TEST
X2
X1
VDD
XT2
XT1
RESET
RDS CLK
RDS DATA
VOL A
VOL B
JOG A
JOG B
SPEANA CONT
VDD
A VDD
VACS
SPEANA0
SPEANA1
KEY0
KEY1
KEY2
KEY3
ACCUT
A VSS
GND
FL DATA
FL CLK
FL LAT
FL RESET
GND
VSS
32
Pin No.
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
I/O
I
I
I
O
—
—
—
—
O
O
O
O
O
O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
—
—
O
—
O
O
I
I
I
I
I
—
I
Description
AV INPUT (VIDEO 2) switch input
Sliding (panel) sensor signal input
Remote sensor signal input
Spectrum analyzer reset output
Ground
Soft test terminal
Audio indicator output
LED driver output
Serial data input/output
Serial clock input/output
LED driver output
Not used
LED driver output
Ground
LED driver output
Destination terminal
Model select terminal
Ground
VCD select terminal “L”: NON-VCD (Connected to ground)
Pin Name
AV IN
SENSOR IN
SIRCS IN
SPEANE RST
GND
GND
GND
GND
SOFT
SEN
MOVIE A
MOVIE G
MUSIC A
MUSIC G
I2C DATA
I2C CLK
GAME A
GAME G
PLACE A
PLACE G
PFILE A
PFILE G
GROOVE
+/–
JOG
ENTER
EFECT
KEYCON G
KEYCON A
NON STOP
VSS
DELAY
REVER B
SUFFIX0
SUFFIX1
SUFFIX2
SUFFIX3
WJ1/WJ3
GND
VCD
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