Pioneer FX-MG8667DVZT/EW, Service Manual

Page: 127 / 136

FX-MG8667DVZT/EW
127
5 6 7 8
5 6
7
8
C
D
F
A
B
E
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31,32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
O
O
I
I
I
O
O
I
O
I/O
O
I
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
I
O
I/O
Format
C
C
C
C
C
C
C
N
N
N
C
C
C
C
C
C
C
/C
Pin Name
AVREF0
AVSS
SD
NC
AVREF1
CAMVOL
E/LVOL1
VPP/IC
VDD
REGC
VSS
X1
X2
/RESET
XT1
XT2
PULLDOWN
/BRST
/CDSTBY
IRQPWR
WAKEUP
BSI
BSO
BSCK
TXDO
RXDO
( BRXEN )
( /BSRQ )
( /CDSRQ )
E/LVOL2
NC
EVSS
EVDD
( SDA )
( SCL )
( COREPWR )
XRES_M
IRQPWR_M
NC
E/LFWD
E/LREV
TXD1
RXD1
NC
CRGCONT
DCONT2
ROM1K
VDCONT
ROMDATA
Function and Operation
A/D converter reference voltage
A power supply GND
CRG drive output(controlled by claw)
(Cannot used exept D/A)
Not used
Switching CAM motor driver output voltage
Switching 1 ELV/LOAD motor driver output
IC: Connected to VSS directry/ VPP:Pull-down
Positive power supply (5 V) pin
Connected to the capacity stabilizing output of the regulator
( 4.7 F electric capacitor)
GND
Connected to the oscillator for main-clock
Connected to the oscillator for main-clock
Mechanism microcomputer reset signal
Connected to the oscillator for sub-clock
(connected to VSS via the resistor)
Connected to the oscillator for sub-clock (Open)
Connected to EVDD or EVSS via the resistor
(Reserve: P-BUS reset)
(Reserve: IIC-BUS reset)
Interruption to the reduced voltage
Interruption to rise up the detection of DVD/CD DISC insert
(Reserve: P-BUS serial-data input)
(Reserve: P-BUS serial-data output)
(Reserve: P-BUS serial-data input/output
HOST(PC) UART data output/for flash rewriting (transmitted signal)
HOST(PC) UART data input/for flash rewriting (received signal)
(Reserva: P-BUS possible to receive signal)
(Reserve: P-BUS demand for service request)
(Reserve: IIC-BUS demand for request)
Switching 2 ELV/LOAD motor driver output
Not used
E power supply GND
E power supply positive power supply
(Reserve: IIC-BUS data)
(Reserve: IIC-BUS clock)
Not used
DVD microcomputer reset signal (L: RESET)
Notice to reduce the voltage of DVD microcomputer
Not used
ELV/LOAD motor control output 2 ( FWD )
ELV/LOAD motor control output 1 ( REV )
DVD UART data output
DVD UART data input
Not used
Output of the switching to servo driver control (H: acquirement)
(Reserve: servo driver output ON/OFF control (H: ON)
EEPROM switching to input 2k(L)/1k
VD power supply control output
E2PROM data input/output
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Pin Functions(PE5443A)