![background image](http://html.mh-extra.com/html/sony/hcd-dx80/hcd-dx80_service-manual_420633050.webp)
50
HCD-DX80
•
PANEL BOARD IC601 MB90M407PF-G-103-BND (DISPLAY CONTROL)
Pin No.
Pin Name
I/O
Description
1 to 5
G5 to G1
O
FL grid drive signal output
6 to 10
P1 to P5
O
FL segment drive signal output
11
VSS IO
—
Ground terminal (VSS for I/O)
12 to 22
P6 to P16
O
FL segment drive signal output
23
XDD-FIP
—
Power supply terminal (+3.3V) (VDD for FL Tube)
24 to 41
P17 to P34
O
FL segment drive signal output
42
VSS IO
—
Ground terminal (VSS for I/O)
43 to 47
P35 to P39
O
FL segment drive signal output
48
VKK
—
–32V driving power for FL
49
MD0
I
Micom operating mode terminal (fixed at “H”)
50
MD1/VDD-VFT
I
Micom operating mode terminal (fixed at “H”)
51
MD2
—
Micom operating mode terminal (fixed at “L”)
52
REC/PAUSE LED
O
REC PAUSE/START LED on/off control signal output terminal “H”: LED on, “L”: LED off
53
ENTER LED
O
ENTER LED on/off control signal output terminal “H”: LED on, “L”: LED off
54
TAPE A/B LED
O
TAPE A/B LED on/off control signal output terminal “H”: LED on, “L”: LED off
55
TUNER LED
O
TUNER/BAND LED on/off control signal output terminal “H”: LED on, “L”: LED off
56
MD/VIDEO LED
O
MD (VIDEO) LED on/off control signal output terminal “H”: LED on, “L”: LED off
57
CD/VCD LED
O
CD LED on/off control signal output terminal “H”: LED on, “L”: LED off
58
GAME IN LED
O
GAME LED on/off control signal output terminal “H”: LED on, “L”: LED off
59
DISC 1 LED
O
DISC 1 LED on/off control signal output terminal “H”: LED on, “L”: LED off
60
IIC DATA
I/O
Data input/output terminal for the IIC bus
61
IIC CLOCK
I/O
Shift clock signal input/output terminal for the IIC bus
62
AVCC
—
Power supply terminal (+3.3V) (for A/D)
63
AVSS
—
Ground terminal (for A/D)
64
KEY0
I
Key input terminal (A/D input)
S768 to S781 (PLAY MODE, REPEAT, EDIT, MUSIC EQ, MOVIE EQ,
v
, ENTER,
V
,
P FILE, GROOVE, SURROUND,
g G
,
X
,
M
keys input)
65
KEY1
I
Key input terminal (A/D input) S752 to S758, S760 to S765
(DISPLAY,
B
,
b
, SPECTRUM, EFECT on/off, GAME EQ, KARAOKE PON,
m
–,
.
,
x
,
CD SYNC HI-DUB, REC PAUSE/START,
M
+
keys input)
66
KEY2
I
KEY input terminal (A/D input) S791 to S796
(
Z
OPEN/CLOSE (CD), DISC SKIP/EX-CHANGE, DISC3, DISC2, DISC1, I/
1
keys input)
67 to 70
BPF4 to 1
I
Band-pass filter input from the BA3830F (IC602)
71
SUPER LOW
FREQUENCY
(BPF0)
I
Band-pass filter input from the BA3830F (IC602)
72
BPF5
I
Band-pass filter input from the BA3830F (IC602)
73
ALL BAND
I
All band (L+R) Band-pass filter input from the BA3830F (IC602)
74
DISC 2 LED
O
DISC 2 LED on/off control signal output terminal “H”: LED on, “L”: LED off
75
DISC 3 LED
O
DISC 3 LED on/off control signal output terminal “H”: LED on, “L”: LED off
76
VIDEO SWITCH
O
VIDEO/GAME selection signal output terminal Not used (open) “H”: VIDEO
77
RESET
I
Reset signal input from the system control (IC501)
78
HEADPHONE
I
Headphone detect signal input terminal “H”: Headphone Yes, “L”: Headphone No
79
VOL 1B
I
Jog dial pulse input from the rotary encoder (IC751 VOLUME) B phase input
80
VOL 1A
I
Jog dial pulse input from the rotary encoder (IC751 VOLUME) A phase input
81
VSS-CPU
—
Ground terminal (+3.3V) (VSS for CPU)
Summary of Contents for HCD-DX80
Page 4: ...4 HCD DX80 SECTION 1 GENERAL This section is extracted from instruction manual ...
Page 5: ...5 HCD DX80 ...
Page 6: ...6 HCD DX80 ...
Page 20: ...20 HCD DX80 MEMO ...