Table of Contents
Advertisement
HCD-GT22/GT44/GT55
QQ
3 7 63 1515 0
MAIN BOARD IC901 uPD78F1165GF (S)-GAS-AX (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
O-SYS-MUTE
2
O-SWR
O-FRONT-SP-
3
RELAY
4
O-CD-POWER
O-POWER-
5
RELAY
6
CD XRST
7
CD-M-MUTE
8
O-USB-POWER
9
I-USB-CTS (DI)
10
O-USB-RTS (DO)
11
O-USB-RESET
12
CD-BUCK
13
CD-CCE
CD-BUS3 (I/O) to
14 to 17
CD-BUS0 (I/O)
18
MP3 IREQ
19
CD-SEL1
20
EVSS1
21
CD-SEL2
TE
L 13942296513
22
O-LM-R
23
O-LM-F
24
O-TM-R
25
O-TM-F
26
I-CD-SENS
27
I-OPEN-SW
28
O-LC72121-CE
29
I-SBSY
30
EVDD1
31
I-LV23004T-DI
O-LV23004T
32
-CLK
33
O-LV23004T-DO
34
I-TUNED
35
I-AC-CUT
36
O-STK-MUTE
37
O-USB-LED
38
O-G-LED
39
O-V-LED
40
O-B-LED
41
O-F-DATA
www
42
I-USB-RXD (SI)
O-USB-
43
TXD (SO)
.
44
O-P-DATA
66
http://www.xiaoyu163.com
I/O
O
Muting on/off control signal output terminal "L": muting on
O
Sub woofer speaker on/off relay drive signal output terminal (GT44/GT55)
O
Power on/off control signal output for speaker relays
O
Power on/off control signal output for CD block
O
Power on/off relay drive signal output terminal "H": power on
O
Reset signal output to the CD-MP3 processor "L": reset
O
Muting signal output to the coil/motor driver
O
Power on/off control signal output for USB block
I
Clear to send signal input from the USB controller
O
Ready to send signal output to the USB controller
O
Reset signal output to the USB controller "L": reset
O
Serial data transfer clock signal output to the CD-MP3 processor
O
Chip enable signal output to the CD-MP3 processor
I/O
Two-way data bus with the CD-MP3 processor
I
Request signal input from the CD-MP3 processor
O
Data selection signal output terminal
-
Ground terminal
O
Data selection signal output terminal
O
Loading motor control signal output terminal (reverse direction)
O
Loading motor control signal output terminal (forward direction)
O
Table motor control signal output terminal (reverse direction)
O
Table motor control signal output terminal (forward direction)
I
Disc table address sensor input terminal
I
Disc table open/close detection switch input terminal "L": open, "H": close
O
Chip enable signal output to the tuner (FM/AM)
I
Subcode block sync signal input from the CD-MP3 processor
-
Power supply terminal (+3.3V)
I
Serial data input from the tuner (FM/AM)
O
Serial data transfer clock signal output to the tuner (FM/AM)
O
Serial data output to the tuner (FM/AM)
I
Tuning detection signal input from the tuner
I
AC power off detection signal input terminal
O
Standby signal output to the power amplifier (for front speaker)
O
LED drive signal output terminal for REC (USB) indicator "H": LED on
O
LED drive signal output terminal for GUITAR indicator "H": LED on
O
LED drive signal output terminal for VOCAL indicator "H": LED on
O
LED drive signal output terminal for BASE indicator "H": LED on
O
Serial data output to the electrical volume
I
Serial data input from the USB controller
x
ao
y
O
Serial data output to the USB controller
i
O
Serial data output to the parametric equalizer (GT55)
http://www.xiaoyu163.com
8
Description
Q Q
3
6 7
1 3
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
Hide quick links:
Advertisement
Table of Contents
