Kenwood GX-201KEF2 Service Manual page 8

GX-201KEF2/LEF2/REF2/SEF2
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MICROCOMPUTER'S TERMINAL DESCRIPTION
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Pin No. Pin Name
36 XT2
37 REGC
38 X2
39 X1
40 VSS
41 VDD
42 NC
43 HARD_RESET
44 NAVI_SW
45 NAVI_MUTE
46 DC/DC_FREQ
47 NC (DIVER)
48 P_STBY
TE
L 13942296513
49 P_MUTE
50 SVR
51 ANT_CON
52 NC
53 IGN_DET
54 ON_REQ
55 SYS_ON
56 CDX_STM
57 SYS_OFF
58 BVDD
59 BVSS
60 BUS_STBY
61 PON
62 DC/DC_H
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63 DC/DC_A
.
64 MOTOR
8
I/O Application
- Sub-system clock oscillation terminal
-
- Main system clock oscillation terminal
I Main system clock oscillation terminal
- GND electrical potential
- 5V electrical potential
O Not used
O Hard reset output
O NAVI voice switching
O NAVI voice Frontch interruption mute (When switching) NAVI interruption start/release : L, Normal : H
O DC/DC oscillation frequency control
O Not used (Diversity antenna control)
O Power IC standby control
O Power IC mute control
O SVR control
O Power antenna control
O Not used
I IGN detection
I F-BUS ON request
O F-BUS ON output
I 6CD communication request input
O F-BUS OFF output
- 5V electrical potential
- GND electrical potential
O BUS IC standby control
O Power ON control
O DC/DC (For of HTR-VFD) control
x ao
y
O DC/DC (For AUDIO-VFD) control
i
O CS main motor control
8
12.58MHz
12.58MHz
Open
Reset : H
NAVI interruption : H, Normal : L
AM 9kHz step 747~900, 1125~1287, 1494~1629 : Hi,
AM 5kHz step 750~900, 1110~1270, 1480~1630 : Hi,
Other : L
E, General type : Open, not used
M type : Test mode : H (OFF) or L (ON) switching
(Initial : H), Normal mode : L (DIVER ON)
ACC ON, POWER ON : H, Other : L
Q Q
3 6 7 1 3
Mute : L, Other : H
This mute should not be normally used when playing
is broken off such as search during play.
Normal : L, Discharge : H
Tuner ON : H, RDS operation during other sources : H,
Other : L
Open
IGN ON : L, IGN OFF : H, Detection voltage : 8V
System ON request : L
System ON : H
Communication request : L
System OFF : H
System ON : H
Power ON : L, Power OFF : H, Stabilization time 400ms
HTR ON : H, HTR OFF : L, Stabilization time 550ms,
Turn to H after receiving panel µ-com HVFD_ON : H
AUDIO ON : H, AUDIO OFF : L, Stabilization time 500ms,
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Turn to H after receiving panel µ-com AVFD_ON : H
.
Main motor ON : H
2 9 9 4 2 8
Processing Operation Description
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9