Service manual

CD-XP300W
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IC701 RH-iX0532AWZZ: System Microcomputer (IX0532AW) (2/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name Terminal NamePin No. Input/Output
Function
54 P120 O/C SW Input CD OPEN/CLOSE SW.
55 P117 MIC SW Input Mic switch input.
56 P116 KARAOKE LATCH Output Karaoke latch.
57* P115 NO USE Output Open
58* P114 MPEG POWER Output MPEG power control.
59* P113 RDS RST Output RDS RAM reset.
60* P112 RDS RDDA Input RDS data input.
61* P111 RDS RDCL Output RDS clock.
62* P110 RDS READY Intput RDS ready.
63* P107 ILU_LED1 Output Illumination LED1.
64* P106 ILU_LED2 Output Illumination LED2.
65* P105 ILU_LED3 Output Illumination LED3.
66* P104 FOR PLY_LED Output Forward play LED.
67* P103 PEV PLY_LED Output Reverse play LED.
68* P102 STOP_LED Output Stop LED.
69 FIP30 DIST Input Distination input.
70 FIP29 S21 Output FL segment driver.
71-74 P97-P94 S20-S17/DIST3-0 Output Distination output./FL segment driver.
75-78 FIP24-FIP21 S16-S13 Output FL segment driver.
79 VLOAD VLOAD Input FL driver power supp. -30 V
80-91 FIP20-FIP9 S12-S1 Output FL segment driver.
92-100 FIP8-FIP0 G9-G1 Output FL grid driver.
1 MIC SW Input Microphone SW L: MIC OFF, H: MIC ON
2 MCLKC ONT — Clock Control.
Controls built-in clock generation circuit with external R.
3 VALCL — ALC operating voltage setting terminal.
To set ALC operating voltage according to applied voltage.
4 MIC1 IN Input Microphone 1 input.
To connect MIC 1.
5* ALC1 — ALC1 control.
To connect ALC1 attack/recovery time setting capacitor.
6* MIC1NF IN Input Microphone 1 negative feedback input.
To connect low cut-off frequency of MIC1 amplifier setting capacitor.
7* MIC1 OUT Output Microphone 1 output.
8 MIC1 VOL IN Input Microphone 1 volume input.
To connect capacitor to reduce noise generated at time of volume change.
9 MIC2 IN Input Microphone 2 input.
To connect MIC 2.
10 ALC2 — ALC2 control.
To connect ALC2 attack/recovery time setting capacitor.
11 MIC2 NF IN Input Microphone 2 negative feedback input.
To connect low cut-off frequency of MIC2 amplifier setting capacitor.
12 MIC2 OUT Output Microphone 2 output.
13 MIC2 VOL IN Input Microphone 2 volume input.
To connect capacitor to reduce noise generated at time of volume change.
14 MICOUT Output Microphone output.
Mixing output of MIC 1 and MIC 2.
15 LPF1 IN1 Input Low pass filter 1 input 1.
Pre-filter before A/D convertor for digital delay.
ICK1 VHiM65856SP-1: Mic Amp. (M65856SP) (1/2)
Port NamePin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.