Kenwood KRC-508S, Руководство по обслуживанию

Страница: 4 / 19

KRC-508S/688
4
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Pin Name Signal Name I/O Purpose Operation Description
51 AVdd - A/D analog power pin
52 AVref0 - A/D reference voltage input pin
53 P10/ANI0 PHONE I PHONE detection input
<1 V: PHONE. >
2.5 V: Navigation muting.
54 P11/ANI1 NC I Not used
55 P12/ANI2 NOISE I FM noise detection input
56 P13/ANI3 S-METER I FM S-meter input
57 P14/ANI4 NC I Not used
58 P15/ANI5 NC I Not used
59 P16/ANI6 REEL_S I C-mechanism supply reel detection
60 P17/ANI7 REEL_T I C-mechanism take-up reel detection
61 AVss - A/D and D/A GND pin
62 P130/ANO0 NC O Not used
63 P131/ANO1 NC O Not used
64 AVref1 - D/A reference voltage input pin
65 P70/RxD2/SI2 CH_DATAC I Data input from CD-CH
66 P71/TxD2/SO2 CH-DATAH O Data output to CD-CH
67 P72/ASCK2/SCK2 CH_CLK I/O CD-CH clock input/output
68 P20/RxD1/SI1 LCD_DATAL I Data input to LCD driver
69 P21/TxD1/SO1 LCD_DATAS O Data output from LCD driver
70 P22/ASCK1/SCK1 LCD_CLK O Clock output to LCD driver
71 P23/PCL NC O Not used
72 P24/BUZ BEEP O Beep output
73 P25/SI0 NC O Not used
74 P26/SO0 PNL_DET1 I Panel detection
75 P27/SCK0 NC O Not used
76 P80/A0 LCD_INH O Reset output to LCD driver
77 P81/A1 LCD_CE O CE output to LCD driver
78 P82/A2 SRT_SW1 I SRT position detection input
79 P83/A3 SRT_SW2 I SRT position detection input
80 P84/A4 NC O Not used
81 P85/A5 NC O Not used
82 P86/A6 NC O Not used
83 P87/A7 C-MSC O EQ amp FF/PLAY control PLAY:HI OFF:LO
84 P40/AD0 C-F/R O Tape transport direction switching FWD:LO REV:HI
85 P41/AD1 C-MUTE O Tape muting control MUTE:HI
86 P42/AD2 C-MS_IN I Inter-music pulse detection
87 P43/AD3 C-MTL O MTL ON/OFF control ON:HI OFF:LO
88 P44/AD4 C-NR O Dolby ON/OFF control ON:HI OFF:LO
89 P45/AD5 NC O Not used
90 P46/AD6 NC O Not used
91 P47/AD7 RDS_DATA I Data input from RDS decoder
92 P50/A8 RDS_QUAL I Quality input from RDS decoder
93 P51/A9 AFC O PLL high-speed lock-up pin
During reception: Hi.
During search: Lo.
94 P52/A10 FM/AM_SD I FM/AM SD input Station detected: Hi.
95 P53/A11 IF_COUNT I Not used
96 P54/A12 NC O Not used
97 P55/A13 AM+B O AM power control ON:HI
98 P56/A14 FM+B O FM power control ON:HI
99 P57/A15 NC O Not used
100 Vss - GND pin
784217AGF503(504)(IC1 : MAIN UNIT)
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299