Service manual

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CD-BK2100V
ICV1 RH-iX0352AWZZ: MPEG Controller (IX0352AW)
1* P50 VOCAL CANCEL Output Vocal cancel
2* P51 K_C_DATA Output Key control IC data
3* P52 K_C_CLK Output Key control IC clock
4* P53 K_C_STRB Output Key control IC strobe
5* P54 KEY CONT. Output Key control
6* P55 CD-SOL Output CD changer solenoid control
7,8 P56, P57 NO USE Output Joint 10 kohm to GND
9 VSS0 VSS0 — Ground voltage
10 VDD3 VDD3 — VDD
11* P30 CD-LD M+ Output CD changer motor control
12* P31 CD-LD M- Output CD changer motor control
13* P32 MO_SPEED Output CD changer motor speed control
14 P33 NO USE Output Joint 10 kohm to GND
15 P34 PWR_MPEG Output MPEG power supply control
16,17 P35, P36 NO USE Output Joint 10 kohm to GND
18 P20 MDI Input Comunicate to system microcomputer DI
19 P21 MDO Output Comunicate to system microcomputer DO
20 P22 MCK Input Comunicate to system microcomputer CLK
21 P23 NO USE Output Joint 10 kohm to GND
22 P24 MBUSY Output Comunicate to system microcomputer MBUSY
23 P25/ASCK0 NO USE Output Joint 10 kohm to GND
24 VDD1 VDD1 — VDD
25 AVSS AVSS — Ground
26-33 P17-P10 NO USE Output Joint 10 kohm to GND
34 AVREF AVREF — Conect to VDD
35 AVDD AVDD — Conect to VDD
36 RESET RESET Input Common use DSP_RESET
37* XT2 XT2 — Open
38 XT1 XT1 — Conect to VDD
39 IC IC — Conect to ground
40 X2 X2 Output Main clock
41 X1 X1 Input Main clock
42 VSS1 VSS1 — Ground voltage
43 INTP0 INT Output Interrupt request
44 INTP1 SBUSY Input Comunicate to system microcomputer SBUSY
45,46 P02, P03 NO USE Output Joint 10 kohm to GND
47-50 P70-P73 NO USE Output Joint 10 kohm to GND
51 P74 MPEG RESET Output MPEG decoder reset
52 BUZ HCS Output Chip select
53 P64/RD HRD Output Reas strobe
54 WR HWR Output Write strobe
55 WAIT HDAK Input Bus cycle acknowledge
56 ASTB HA Output Address strobe
57-64 AD0-AD7 HD0-HD7 Input/Output Host parallel intertface
Pin No. Port Name
Terminal Name
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.