Kenwood Ez700SR Service Manual page 11

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
72 NC
73 HR_7730BLEND
74 HR_RST
75 NC
76 FLMD1
77 NC
78 U_SW
79~81 NC
82 TYPE0
83 TYPE1
84 TEST0
85 TEST1
86 TEST2
87 NC
88 FAN_ON
89 VU
90 NC
91 SR_SNS_V
92 SR_REF_V
93 VSW3
94 NC
95 ACT
96 ESN
97 T_ERR
98,99 NC
100 SR_F_LOCK
Module I/O
HD Radio I Blend signal from IDM
HD Radio O Blend signal (output to 7730)
HD Radio O HD Radio block reset
Not used. O
Test&Debug I
Not used. O
Debug UART terminal connection
Test&Debug O
permission to IDM UART terminal
Not used. O
Others I Destination SW (bit 0)
Others I Destination SW (bit 1)
Test&Debug I Test SW (bit 0)
Test&Debug I Test SW (bit 1)
Test&Debug I Test SW (bit 2)
Not used. O
Common O FAN ON/OFF control
Common I Temperature sensor input
Not used. O
SIRIUS I Antenna current sensing voltage
Antenna current detection sensing
SIRIUS I
voltage
SW5V monitoring. The voltage is
Common I divided into 2 and used as reference
voltage for FAN control.
Not used. O
SIRIUS O
SIRIUS O
Common O
Not used. O
Prior to initial contract (FA) with Sirius,
SIRIUS O receiver functions are restricted.
Output is made to system µ-com for this.
Ez700SR/Ez900HDS
Truth
Application
Value Table
y
q
q
w
w
w
r
r
Processing Operation Description
Fixed with H/W.
H : Digital, L : Analog
L : Reset, H : Normal
Pull down with H/W.
H : Permitted, L : Not permitted.
ON : H, OFF : L
For FAN control
Sirius activated H : Activated,
L : Not activated
Sirius activated H : ESN activated,
L : Not activated.
Sirius/HD or Used fro tuner as well.
H : Normal, L : Tuner Error
H : LOCK, L : UN-LOCK (L in low power
consumption mode)
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