Read Harman Kardon AVR 135 (serv.man3) Service Manual online
PIN/FUNCTION
No. Pin
Name
I/O
Function
IPS0
I
Input Channel Select 0 Pin in Parallel Mode
1
RX4
I
Receiver Channel 4 Pin in Serial Mode (Internal biased pin)
2 NC(AVSS)
I
No Connect
No internal bonding. This pin should be connected to AVSS.
DIF0
I
Audio Data Interface Format 0 Pin in Parallel Mode
3
RX5
I
Receiver Channel 5 Pin in Serial Mode (Internal biased pin)
4 TEST2
I
TEST 2 pin
This pin should be connect to AVSS.
DIF1
I
Audio Data Interface Format 1 Pin in Parallel Mode
5
RX6
I
Receiver Channel 6 Pin in Serial Mode (Internal biased pin)
6 NC(AVSS)
I
No Connect
No internal bonding. This pin should be connected to AVSS.
DIF2
I
Audio Data Interface Format 2 Pin in Parallel Mode
7
RX7
I
Receiver Channel 7 Pin in Serial Mode (Internal biased pin)
IPS1
I
Input Channel Select 1 Pin in Parallel Mode
8
IIC I
IIC Select Pin in Serial Mode.
“L”: 4-wire Serial, “H”: IIC
9 P/SN
I
Parallel/Serial Select Pin
“L”: Serial Mode, “H”: Parallel Mode
10
XTL0
I
X’tal Frequency Select 0 Pin
11
XTL1
I
X’tal Frequency Select 1 Pin
12
VIN
I
V-bit Input Pin for Transmitter Output
13
TVDD
I
Input Buffer Power Supply Pin, 3.3V or 5V
14 NC
I
No Connect
No internal bonding. This pin should be open or connected to DVSS.
15 TX0
O Transmit Channel (Through Data) Output 0 Pin
16 TX1
O
When TX bit = “0”, Transmit Channel (Through Data) Output 1 Pin.
When TX bit = “1”, Transmit Channel (DAUX Data) Output Pin (Default).
When TX bit = “1”, Transmit Channel (DAUX Data) Output Pin (Default).
17 BOUT
O
Block-Start Output Pin for Receiver Input
“H” during first 40 flames.
18
COUT
O
C-bit Output Pin for Receiver Input
19
UOUT
O
U-bit Output Pin for Receiver Input
20
VOUT
O
V-bit Output Pin for Receiver Input
21
DVDD
I
Digital Power Supply Pin, 3.3V
22
DVSS
I
Digital Ground Pin
23
MCKO1
O
Master Clock Output 1 Pin
24
LRCK
I/O
Channel Clock Pin
25
SDTO
O
Audio Serial Data Output Pin
26
BICK
I/O
Audio Serial Data Clock Pin
27
MCKO2
O
Master Clock Output 2 Pin
28
DAUX
I
Auxiliary Audio Data Input Pin
29
XTO
O
X'tal Output Pin
30
XTI
I
X'tal Input Pin
Click on the first or last page to see other AVR 135 (serv.man3) service manuals if exist.