Service manual

XL-MP40H
7 – 1
AudioXL-MP40HService ManualXLMP40HMarketE
CHAPTER 7. OTHERS
[1] FUNCTION TABLE OF IC
IC701 RH-iXA044SJZZ: System Microcomputer (IXA044SJ)
Pin No. Port Name Terminal Name Input/Output Function
1 P06 O_CD_RESET Output CD RESET
2 P07 O_CD_CE Output CD-CE
3 P10/SO0 O_CD_DATA Output CD DATA OUT
4 P11/SI0/SB0 I_CD_DATA Input CD DATA INPUT
5 P12/SCK0 O_CD_CLK Output CD CLOCK
6 P13/SO1 O_TU_DATA Output TUNER DATA OUT (LV23002)
7 P14/S11/SB1 I_TU_DATA Input TUNER DATA INPUT (LV23002)
8 P15/SCK1 O_TU_CLK Output TUNER CLOCK (LV23002)
9 P16/T1PWML O_TU_CE Output TUNER CHIP SELECT
10 P17/T1PWMH/
BUZ
O_P_MUTE Output AMP INPUT MUET (H:ON)
11 RES - Input RESET
12 XT1/AN10 - - SUB CLOCK
f=32.768KHz
13 XT2/AN11 - -
14 VSS1 GND - GND
15 CF1 - - MAIN CLOCK
f=8MHz
16 CF2 - -
17 VDD1 VDD1 - +5.0V
18 P80/AN0 I_KEY1 I[A/D] KEY INPUT
19 P81/AN1 I_KEY2 I[A/D] KEY INPUT
20 P82/AN2 I_SUFIXÅ(MATRI
X)
I[A/D] DIFFERENT COUNTRY SELECT
21 P83/AN3 I_TP_STATE I[A/D] DECK STATE INPUT
22* P84/AN4 NC -
23* P85/AN5 NC -
24 P86/AN6 I_VOL_ENC I[A/D] VOL ENCODER INPUT
25* P87/AN7/MICIN NC -
26 P70/INT0/T0LCP/
AN8
I_HOLD I[INT] BACKUP
27* P71/INT1/T0HCP/
AN9
NC -
28 P72/INT2/T0IN I_POWER I[INT] POWER KEY
29 P73/INT3/T0IN I_REM I[INT] REMOTE SIGNAL INPUT
30* S0/PA0 NC -
31 S1/PA1 LED_CON Output LED CONTROL
32 S2/PA2 O_POWER Output POWER SWITCH
33 S3/PA3 O_AMP_ON Output AMP ON
34 S4/PA4 O_CD_ON Output CD POWER ON
35* S5/PA5 NC -
36 S6/PA6 O_TP_SOL Input TAPE SOLIDE
37 S7/PA7 O_TP_MOTOR Input TAPE MOTER
38 S8/PB0 O_TP_REC Input TAPE RECORD
39 S9/PB1 O_TP_BIAS Input TAPE BIAS
40 S10/PB2 O_B_CAN Input AM=>TAPE REC "Beat" CANCEL
41* S11/PB3 NC -
42 S12/PB4 I_TP_RUNPLS Input TAPE RUN PLUS IN
43 S13/PB5 NC -
44* S14/PB6 NC -
45* S15/PB7 NC -
46 S16/PC0 S31 - LCD SEGMENT
47 S17/PC1 S30 -
48 S18/PC2 S29 -
49 S19/PC3 S28 -
50 S20/PC4 S27 -
51 S21/PC5 S26 -
52 S22/PC6 S25 -
53 S23/PC7 S24 -
54 VDD2 VDD2 - +5.0V
55 VSS2 GND - GND