Read Harman Kardon TU 970 (serv.man5) Service Manual online
PIN No.
NAME
I/O
DESCRIPTION
1~8
FIP-DA
O
FIP Data output port
10
SINO
I
UART Data input port
11
SOTO
O
UART Data output port
12
VDD1
-
Power supply port(+5V)
13
VSS1
-
GND
14
X OUT
O
15
X IN
I
16
TEST
I
19
RESET
I
Reset input port("L")
21
DAB_DIN
I
DAB Data input port
22
DAB_DOUT
O
DAB Data output port
23
DAB_CK
O
DAB Clock control port
24
FM/AM_MUTE
O
FM/AM MUTE control port("L")
25
PLL_D
O
PLL Data output port
26
PLL_CE
O
PLL Enable control port
27
PLL_CLK
O
PLL Clock control port
28
STEREO
I
Tuner module stereo control port
29
TUNED
I
Tuner module tuned control port
30
PLL_DIN
I
PLL Data input port
31
RDS_CLOCK
O
RDS Clock control port
32
RDS_DATA
I
RDS Data input port
33
BACK_UP
I
BACKUP mode control port("L")
34
REMOTE_IN
I
Remote unit data input port
35
BUS_IN
I
BUS input port
36
BUS_OUT
O
BUS output port
39,40
GND
-
GND
41
SCROLL_UP
I
Scroll up control port
42
SCROLL_DN
I
Scroll down control port
43
VREF
-
A/D converter reference voltage
44
AVSS
-
46
KEY 3
-
47
KEY 2
-
48
KEY 1
I
Key 1 control port
52
VSS2
-
GND
53
VDD2
-
Power supply port(+5V)
54
SYSTEM_MUTE
O
System MUTE control port("L")
55
STAND_BY
O
Standby on control port("L")
56
FM/AM_ON
O
FM/AM on control port("L")
57
DAB_ON
O
DAB on comtrol port("L")
58
POWER_ON
O
Unit turn on control port("L")
65~68
OPTION
-
GND
78
RS_P
O
Register selection port
79
WRITE
O
Write enable port
80
READ
O
Read enable port
10MHz crystal connection port
GND
IC71 S3F84BB(FLASH MEMORY), ANAM1369A(MASKING)
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