Parts - Pioneer XV-HA5 Service Manual

1

7.2 PARTS

7.2.1 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
A
• List of IC
PDC125A, MM1623BF
PDC125A (CONTROL ASSY : IC5501)
• System Control Microcomputer
Pin Function
No. Function Name of Chip I/O
1 PA3/WR#
2 PA4/RD#
3 PA5/RS
4 P70 / INT0 / T0LCP / AN8
5 P71 / INT1 / T0HCP / AN9
B
6 P72 / INT2 / T0IN
7 P73 / INT3 / T0IN
8 RES#
9 XT1 / AN10
10 XT2 / AN11
11 VSS1
12 CF1
13 CF2
14 VDD1
15 P80 / AN0
C
16 P81 / AN1
17 P82 / AN2
18 P83 / AN3
19 P84 / AN4
20 P85 / AN5
21 P86 / AN6
22 P87 / AN7
23 P10/SO0
24 P11 / SI0 / SB0
25 P12 / SCK0
D
26 P13 / SO1
27 P14 / SI1 / SB1
28 P15 / SCK1
29 P16/T1PWML
30 P17/T1PWMH/BUZ
31 PE0
32 PE1
33 PE2
34 PE3
35 PE4
E
36 PE5
37 PE6
38 PE7
39 VSS4
40 VDD4
41 PF0
42 PF1
43 PF2
44 PF3
45 PF4
F
46 PF5
47 PF6
100
1
2
HAL
I/O DVDON/OFF Control power supply for DVD module
I/O HPDET Detect to insert headphone
I/O NC
I/O ACPULSE AC PULSE input (Interruption)
I/O NC
I/O NC
I/O REMOCON REMOCON signal input (Interruption)
µ-com reeset input
I XRESET
I XT1 32.768kHz sub clock connection (0.1W correspondence)
I/O XT2 32.768kHz sub clock connection (0.1W correspondence)
– VSS1 VSS1
I CF1 10MHz crystal oscillator
O CF2 10MHz crystal oscillator
– VDD1 VDD1
I/O SIMUKE Destination distinction input
I/O NC
I/O VDET DVD3.3V detection input
I/O KEY1 Key Input
I/O KEY2 Key Input
I/O NC
I/O NC
I/O XPROTECT Protection and Fan Error detection input
I/O SDATA0 System bus data output (AMP side output) for MD
I/O MDATA0 System bus data input (AMP side input) for MD
I/O SCLK0 System bus clock input for MD
I/O LCDDAT Data for LCD driver
I/O LCDCS Chip enable for LCD driver
I/O LCDCLK Clock for LCD driver
I/O SYSCS2 Chip select for system bus
I/O SYSCS1 Chip select for system bus
I/O XHPMUTE HP MUTE ON/OFF
I/O XRECMUTE REC OUTPUT MUTE ON/OFF
I/O XHPMUTE2 HP MUTE2 ON/OFF
I/O BASS_BOOST Control P. BASS
I/O XMDRST MD microcomputer reset
I/O XLCDRST Reset for LCD driver ÅistandbyÅj
I/O TIMERLED Control TIMER LED
I/O XSYSMUTE Control mute of system
– VSS4 VSS4
– VDD4 VDD4
I/O SYSPOW Control power supply of system
I/O ATT6dB Control ATT 6dB
I/O STEST Set TESTMODE for Service
I/O UTEST Set UNITCHECK for checker
I/O VOLDATA/CE Data/CE for E-vol IC(BD3814FV E-VOL)
I/O VOLCLK Clock for E-vol IC(BD3814FV E-VOL)
AUDIO INPUT SELECT DATA (BD3841FS) (When this port is not used, please connect ro
I/O SEL_DATA
GND) and set as Input
2
3
Actual Function
XV-HA5
3
4
4