Kenwood DDX6019 Service Manual page 10

DDX6019/6029/6029Y/6039
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
41 CRM_SDA
42 CRM_SCL
43~47 NC
48 DAC_MUTE
48 NC
49 NC
50 OSD_DATA
51 OSD_CLK
52~58 NC
59 SYS_SREQ
60~63 NC
64 SYS_MUTE
65 A_PON
66 SYS_ON
67 SYS_MREQ
68 SYS_SDATA
69 SYS_MDATA
70 SYS_M_CLK
71 S_FLASH_MDATA
72 S_FLASH_SDATA
73 S_FLASH_CLK
74 BL DET
75 S_BU_DET
76 NC
77 ACC_DET
78 ILLUMI
79 PARKING
80 REVERSE
81 NC
82 PON
83 POWER_DET
84 MCNT
85~87 NC
88 S_TYPE0
89 S_TYPE1
90 S_TYPE2
91 S_WRT_E2P
92 JIG_EJ
93,94 NC
95 NC
96 DISC_DET
97 NC
98 DVS_BE_REQ
10
I/O Application
O Chroma IC control (RB5P0090)
O Chroma IC control (RB5P0090)
O NC
O MUTE control to audio -com
O NC
O NC
O Data to OSD-IC
O Clock to OSD-IC
O NC
I AUDIO_COM communication request input
O NC
O When ACC_OFF, MUTE DRIVER control
I A_PON (Input from Audio)
O AUDIO_COM communication control output
O AUDIO_COM communication request output
I AUDIO_COM communication data input
O AUDIO_COM communication data output
O AUDIO_COM communication clock output
I For flash writing
O For flash writing
I For flash writing
O Not used (backlight error detection)
I BU detection
O NC
I ACC detection
I ILL detection
I Parking detection
I Reverse detection
O NC
O Power supply control output
I Power supply error detection
O Motor driver voltage switching tilt mechanism 8V
O NC
I Destination determination K,R,E,M,X,V
I Destination determination K,R,E,M,X,V
I Destination determination K,R,E,M,X,V
I Used when writing E2P
I Forced mechanism open
O NC
O NC
I Disc detection
O NC
I DVS-7600 communication request input
Truth
Processing Operation Description
value table
L fixed
H: MUTE OFF, L: MUTE ON
LOW is fixed at L
L fixed
L fixed
L fixed
H: MUTE ON
H: Start up request to AUDIO -com
ROM writer communication
ROM writer communication
ROM writer communication
LOW fixed
H: BU reduced voltage detection
LOW is fixed at L
L: ACC ON detection
L: Illumi ON
H: Parking ON
L: Reverse ON
L fixed
H: PON
L: SW14V short
H: Mechanism speed down
L fixed
q
Refer to the truth value table
q
Refer to the truth value table
q
Refer to the truth value table
H: When writing E2PROM
H: Open (for assuring)
L fixed
Fixed at L when LOW
L: Disc IN
L fixed (LOW)