Denon DRA-CX3 Service Manual page 8
Denon am-fm stereo receiver service manual
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Also See for DRA-CX3:
- User manual ,
- Operating instructions manual (19 pages) ,
- Owner's manual (18 pages)
Table of Contents
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Terminal Function
3 7 63 1515 0
Pin No.
Port Name
1
NC
2
FL_RESET
3
TONE_DATA
4
TONE_STROBE
5
TONE_CLOCK
6
BYTE
7
CNVSS
8
NC
9
NC
10
RESET
11
XOUT
12
VSS
13
XIN
14
VCC1
15
NC
16
O.CURRENT/
O.VOLTAGE
17
AC OFF
18
DBRXD
19
OSC
20
H/P_SW
21
ENC_B
22
ENC_A
23
FL_CS
24
LED_O
25
LED_R
TE
L 13942296513
26
DABCLK
27
DABRXD
28
DABTXD
29
IPOD_TX
30
IPOD_RX
31
NC
32
NC
33
S1_DIN
34
S1_DOUT
35
NC
36
NC
37
NC
38
NC
39
EPM
40
E2P_CLK
41
E2P_DO
42
E2P_DI
43
E2P_CS
44
CE
45
NC
46
NC
47
PWB_CHECK
48
PWB_CHECK
49
PWB_CHECK
50
PWB_CHECK
51
NC
www
52
NC
53
NC
54
PHONO
.
55
CD
56
LINE1
57
LINE2
http://www.xiaoyu163.com
I/O
Initial
O
-
O
L
O
L
O
L
O
L
I
-
I
-
O
L
O
L
I
-
O
-
I
-
I
-
I
-
I
-
I
-
I
-
I
-
O
L
I
-
I
-
I
-
O
L
O
L
O
L
O
L
I
-
O
L
O
L
I
-
O
L
O
L
I
-
O
L
O
L
O
L
O
L
O
L
O
L
O
L
I
-
O
L
O
L
O
L
O
L
O
L
I
-
I
-
I
-
I
-
O
L
O
L
O
L
x
ao
u163
y
O
L
i
O
L
O
L
O
L
http://www.xiaoyu163.com
2 9
8
Not Used.
Reset output to driver built into FL display tube.
(Low pulse of a microsecond or more .)
Data output to TC9184AP. (20bit)
Strobe output to TC9184AP.
Clock output to TC9184AP. (below 500kHz)
External data bus width switching input. (GND : Single chip mode)
Processor mode switching input. (GND : Single chip mode, PULL DOWN)
(Use for updating program.)
Not Used.
Not Used.
Reset input.
Oscillator output. (16 MHz)
GND.
Oscillator output. (16 MHz)
Power supply.
Not used. (PULL UP)
Overcurrent / overvoltage detection input of power supply unit.
(Active : Low edge)
Power failure detection input.
Not used. (GND)
Oscillation frequency control output of power supply unit.
Headphones connected/disconnected detection input.
Rotary encoder B terminal input.
Rotary encoder A terminal input.
Chip selection output to driver built into FL display tube.
Power LED control signal output. ( Orange, STANDBY, H:turn on)
Power LED control signal output. (Red, POWER ON, H:turn on)
Q Q
3
6 7
1 3
1 5
Not used.
Not used. (GND)
Not used.
Data output to i-Pod. (Use even when updating program.)
Data input from i-Pod. (Use even when updating program.)
Not used.
Not used. (Terminal for RDS test)
GND. (DAB ready communication input)
Not used. (DAB ready communication output)
Not used.
Not used.
Not used.
Not used.
Use for updating program.
Clock output to EEPROM.
Data input from EEPROM.
Data output to EEPROM.
Chip selection output to EEPROM.
Use for updating program.
Not used.
Not used.
PWB checking mode input.
PWB checking mode input.
PWB checking mode input.
PWB checking mode input.
Not used.
Not used.
Not used.
co
Output for input selection relay. (H : select PHONE)
.
Output for input selection relay. (H : select CD)
Output for input selection relay. (H : select LINE1)
Output for input selection relay. (H : select LINE2)
8
DRA-CX3
9 4
2 8
Function
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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