Pioneer DVR-233-S Service Manual page 64

1
7.2 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
List of IC
A
PMC002A8, BD3823FV, MM1657, LA73054, UPD61181F1-101MN2A, PMC1802
PMC002A8 (JCKB ASSY : IC101)
• TUFL Microcomputer
Pin Function
No. Pin Name
1 PA3/S08
2 PA4/SI8/SB8
3 PA5/SCK8
B
4 P70/INTO/TOCLP
5 P71/INT1/TOHCP
6 P72/INT2/TOIN/TOLCP
7 P73/INT3/TOIN/TOHCP
8 RES#
9 XT1
10 XT2
11 VSS1
12 CF1
C
13 CF2
14 VDD1
15 P80/AN0
16 P81/AN1
17 P82/AN2
18 P83/AN3
19 P84/AN4
20 P85/AN5
21 P86/AN6
D
22 P87/AN7
23 P10/SO0
24 P11/SI0/SB0
25 P12/SCK0
26 P13/SO1
27 P14/SI1/SB1
28
P15/SCK1
29 P16/T1PWML
30 P17/T1PWMH/BUZ
E
31 PE0/AN12
32 PE1/AN13
33 PE2/AN14
34 PE3/AN15
35 PE4
36 PE5
37 PE6
38 PE7
39 VSS4
F
40 VDD4
64
1
2
Signal Name I/O
FLDATA O Communication line with FL Driver
FLSTB O Ccommunication strobe line with FL Driver
FLCLK O Communication clock with FL Driver
WDT I WDT for detection of u-com in the state of out of control
Detection of AC power
ACDET I
HS_MTMOT I Handshaking of system control u-com communication
Pulse input of remote control
IR I
XRESET I Reset input
Connection of sub clock
XT1 I
Connection of sub clock
XT2 O
−
GND
CF1 I Connection of main clock
Connection of main clock
CF2 O
−
VDD1
Input #1 for model type judgement
MODEL1 Analog In
MODEL2 Analog In Input #1 for model type judgement
Main unit key input #1
KEY1 Analog In
KEY2 Analog In Main unit key input #2
KEY3 Analog In Main unit key input #3
AGC voltage input from tuner
AGC Analog In
Input for battery voltage checking
BATTERY Analog In
FUNC Analog In
SDET3 I Detection of S tereminal #3 connection
SDET2 I Detection of S tereminal #2 connection
Detection of S tereminal #1 connection
SDET1 I
Input for battery voltage checking
AVLOUT O
I2C communication (data)
SDA Nch O/D
SCL Nch O/D I2C communication (clock)
IC reset signal of whole system
XSYSRST O
Reset signal to VDEC2
XVDECRST O
CVBS, Y/C mute signal for video driver IC
MUTEV O
Y/Cb/Cr mute signal for video driver IC
COMPMUTE O
Audio mute signal of ouput stage
AMUTE1 O
Input selection of video selector
INSEL1 O
INSEL2 O Input selection of video selector
Input selection of video selector
INSEL3 O
YCSEL O CVBS or Y/C selection of video selector
STBYVS O Standby mode selection of video selector
−
GND
−
VDD4
DVR-231-S
2
3
Function
3
4
Active
4