Sony HCD-ZUX9 Service Manual - Page 86

IC900, MB90M407PF-G-152-BND GC MICOM, FL DRIVE FL BOARD, Pin No., Pin Name, Pin Description

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HCD-ZUX9 IC900 MB90M407PF-G-152-BND (GC MICOM, FL DRIVE) (FL BOARD) Pin No. Pin Name I/O Pin Description 1 to 8 G17 to G24 O Grid drive signal output to the fluorescent indicator tube display 9, 10 P36, P35 O Segment drive signal output to the fluorescent indicator tube display 11 VSS-IO - Ground (for I/O port) 12 to 22 P34 to P24 O Segment drive signal output to the fluorescent indicator tube display 23 VDD-FIP - Power supply (+3.3 V) (for fluorescent indicator tube display) 24 to 41 P23 to P6 O Segment drive signal output to the fluorescent indicator tube display 42 VSS-IO - Ground (for I/O port) 43 to 47 P5 to P1 O Segment drive signal output to the fluorescent indicator tube display 48 VKK - Power supply (+3.3 V) (for fluorescent indicator tube display) 49 to 51 MD0 to MD2 I Setting pin for the CPU operational mode Dynamic LED drive signal output of the (VOL1) and (VOL2) indicator 52 LED-VOLUME1, 2 O ("H": LED on) Dynamic LED drive signal output of the (VOL3) and (VOL4) indicator 53 LED-VOLUME3, 4 O ("H": LED on) Dynamic LED drive signal output of the (VOL5) and (VOL6) indicator 54 LED-VOLUME5, 6 O ("H": LED on) Dynamic LED drive signal output of the (VOL7) and (VOL8) indicator 55 LED-VOLUME7, 8 O ("H": LED on) LED-CENTER Dynamic LED drive signal output of the CENTER 1 and 2 lighting indicator 56 O LIGHTING1, 2 ("H": LED on) LED-BOTTOM Dynamic LED drive signal output of the BOTTOM 1 and 2 lighting indicator 57 O LIGHTING1, 2 ("H": LED on) 58 LED-USB REC O Dynamic LED drive signal output of the USB REC/ERASE indicator ("H": LED on) 59 LED-FLANGER, DELAY O Dynamic LED drive signal output of the FLANGER and DELAY ("H": LED on) Clock signal input/output for IIC communication between Master Control controller 60 12C-DATA I/O and Display Control controller Data signal input/output for IIC communication between Master Control controller 61 12C-CLOCK I/O and Display Control controller 62 AVCC - Power supply (+3.3 V) (for A/D conversion) 63 AVSS - Ground (for A/D conversion) 64 to 67 KEY0 to KEY3 I Key input (A/D input) Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter 68 ALL-BAND I (A/D input) 69 to 72 BPF3 to BPF0 Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter I (A/D input) 73 MULTI JOG I Jog dial pulse input from MULTI DIAL encoder 74 VOL JOG I Jog dial pulse input from the VOLUME encoder 75 LED-CHORUS, WAH O Dynamic LED drive signal output of CHORUS and AQUA indicator ("H": LED on) 76 NO USE - Not used. (Open) 77 RESET I System reset signal input from the Master Control controller ("L": reset) 78 NO USE O Not used. (Open) 79 X ROUND JOG O Jog dial pulse input from X-ROUND DIAL encoder 80 LED SELECTOR O Dynamic LED drive select signal output 81 VSS-CPU - Ground 82 XO O System clock output (4 MHz) 83 XI I System clock input (4 MHz) 84 VCC-CPU - Power supply (+3.3 V) 85 to 100 G1 to 16 O Grid drive signal output to the vacuum fluorescent display 86

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86
HCD-ZUX9
IC900
MB90M407PF-G-152-BND (GC MICOM, FL DRIVE) (FL BOARD)
Pin No.
Pin Name
I/O
Pin Description
1 to 8
G17 to G24
O
Grid drive signal output to the fluorescent indicator tube display
9, 10
P36, P35
O
Segment drive signal output to the fluorescent indicator tube display
11
VSS-IO
—
Ground (for I/O port)
12 to 22
P34 to P24
O
Segment drive signal output to the fluorescent indicator tube display
23
VDD-FIP
—
Power supply (+3.3 V) (for fluorescent indicator tube display)
24 to 41
P23 to P6
O
Segment drive signal output to the fluorescent indicator tube display
42
VSS-IO
—
Ground (for I/O port)
43 to 47
P5 to P1
O
Segment drive signal output to the fluorescent indicator tube display
48
VKK
—
Power supply (+3.3 V) (for fluorescent indicator tube display)
49 to 51
MD0 to MD2
I
Setting pin for the CPU operational mode
52
LED-VOLUME1, 2
O
Dynamic LED drive signal output of the (VOL1) and (VOL2) indicator
(“H”: LED on)
53
LED-VOLUME3, 4
O
Dynamic LED drive signal output of the (VOL3) and (VOL4) indicator
(“H”: LED on)
54
LED-VOLUME5, 6
O
Dynamic LED drive signal output of the (VOL5) and (VOL6) indicator
(“H”: LED on)
55
LED-VOLUME7, 8
O
Dynamic LED drive signal output of the (VOL7) and (VOL8) indicator
(“H”: LED on)
56
LED-CENTER
O
Dynamic LED drive signal output of the CENTER 1 and 2 lighting indicator
LIGHTING1, 2
(“H”: LED on)
57
LED-BOTTOM
O
Dynamic LED drive signal output of the BOTTOM 1 and 2 lighting indicator
LIGHTING1, 2
(“H”: LED on)
58
LED-USB REC
O
Dynamic LED drive signal output of the USB REC/ERASE indicator (“H”: LED on)
59
LED-FLANGER, DELAY
O
Dynamic LED drive signal output of the FLANGER and DELAY (“H”: LED on)
60
12C-DATA
I/O
Clock signal input/output for IIC communication between Master Control controller
and Display Control controller
61
12C-CLOCK
I/O
Data signal input/output for IIC communication between Master Control controller
and Display Control controller
62
AVCC
—
Power supply (+3.3 V) (for A/D conversion)
63
AVSS
—
Ground (for A/D conversion)
64 to 67
KEY0 to KEY3
I
Key input (A/D input)
68
ALL-BAND
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter
(A/D input)
69 to 72
BPF3 to BPF0
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter
(A/D input)
73
MULTI JOG
I
Jog dial pulse input from MULTI DIAL encoder
74
VOL JOG
I
Jog dial pulse input from the VOLUME encoder
75
LED-CHORUS, WAH
O
Dynamic LED drive signal output of CHORUS and AQUA indicator (“H”: LED on)
76
NO USE
—
Not used. (Open)
77
RESET
I
System reset signal input from the Master Control controller (“L”: reset)
78
NO USE
O
Not used. (Open)
79
X ROUND JOG
O
Jog dial pulse input from X-ROUND DIAL encoder
80
LED SELECTOR
O
Dynamic LED drive select signal output
81
VSS-CPU
—
Ground
82
XO
O
System clock output (4 MHz)
83
XI
I
System clock input (4 MHz)
84
VCC-CPU
—
Power supply (+3.3 V)
85 to 100
G1 to 16
O
Grid drive signal output to the vacuum fluorescent display