Kenwood KVT-719DVD Service Manual page 22

KVT-719DVD/729DVD
/729DVDY/739DVD
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
38 VDD
39 CLKOUT
40 PRE_MUTESW
41 PRE_MUTER
42 PRE_MUTEF
43 RELAY_SW1
44 RELAY_SW2
45 RELAY_SW3
45 NC
46 RELAY_SW4
46 NC
47 RELAY_DET1
48 RELAY_DET2
49 RELAY_DET3
49 NC
50 RELAY_DET4
50 NC
51 ILL_DET
52 PAK_DET
53 REV_DET
54 P_CON
55 BVDD
56 BVSS
57 ANT_CON
58 NC
59 PWIC_STBY
60 PWIC_MUTE
61 AUD_MUTEC
62 AUD_MUTEB
63 AUD_MUTEA
64 AUD_MUTE2
65 AUD_MUTE1
66 AUD_MUTE0
67 AUD_SDA
67 AUD_SDA
22
I/O Application
O PREout sub woofer MUTE
O PREout rear MUTE
O PREout front MUTE
O ON/OFF of external equipment relay control
O ON/OFF of external equipment relay control
O ON/OFF of external equipment relay control
O Low Only
O ON/OFF of external equipment relay control
O Low Only
I Detection of external equipment relay control
I Detection of external equipment relay control
I Detection of external equipment relay control
O Low Only
I Detection of external equipment relay control
O Low Only
I ILL detection
I Parking detection
I Reverse detection
O P-CON control output
O P-ANT control output
O
O PWIC standby
O PWIC_FR MUTE
O E-VOL inputSEL_C MUTE
O E-VOL inputSEL_B MUTE
O E-VOL inputSEL_A MUTE
O E-VOL center, SWMUTE
O E-VOL rear MUTE
O E-VOL front MUTE
I/O E-VOL data output
ROM correstion E2PROM communication data
I/O
input/output
Truth Value
Processing Operation Description
Table
H: MUTE OFF, L: MUTE ON
H: MUTE OFF, L: MUTE ON
H: MUTE OFF, L: MUTE ON
H: Relay ON, L: Relay OFF
H: Relay ON, L: Relay OFF
H: Relay ON, L: Relay OFF
L fi xed
H: Relay ON, L: Relay OFF
L fi xed
When RELAY_SW1 is Hi, L: Normal, H: Error
(Hi when SW1 is Low)
When RELAY_SW2 is Hi, L: Normal, H: Error
(Hi when SW2 is Low)
When RELAY_SW3 is Hi, L: Normal, H: Error
(Hi when SW3 is Low)
L fi xed
When RELAY_SW4 is Hi, L: Normal, H: Error
(Hi when SW4 is Low)
L fi xed
L: Illumi ON
H: Parking ON
L: Reverse ON
L: When STANDBY or POWER OFF
EXCEPT: H
H: ANT UP, L: ANT DOWN
H: POWER ON, L: POWER OFF
L: MUTE ON
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF