Pioneer CDX-P1270 Service-Reparatur-Training - Seite 47
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- 1. Table of Contents
- 1. 1 Safety Information
- 2. 2 Exploded Views and Parts List
- 3. 3 Block Diagram and Schematic Diagram
- 3. CD Mechanism Module
- 4. 4 Pcb Connection Diagram
- 5. 5 Electrical Parts List
- 6. 6 Adjustment
- 7. 7 General Information
- 7. Diagnosis
- 7. Test Mode
- 7. Disassembly
- 7. Connector Function Description46
- 7. Operational Flow Chart
- 8. 8 Operations and Specifications
7.2. IC
- Pin Functions (PD5638A)
Pin No.
Pin Name
1,2
NC
adena
3
4
TXTSTB
5
TXTSO
6
TXTSI
7
TXTSCK
8
BYTE
9
CNVSS
10
POWER
11
CONT
reset
12
13
XOUT
14
VSS
15
XIN
16
VCC
nmi
17
bsens
18
asens
19
20
TXTPACK
21
IPTA4IN
22
IPPW
23
NC
24
OPTSEL
25
SRAMSW
26
FMPCB
27
SIMUKE
28
NC
29
IPIN
30
IPOUT
31,32
NC
33
FMIPSW
testin
34
35
XSO
36
XSI
37
XSCK
38
M6M12
39–43
NC
rd
44
45
NC
wr
46
47
SYSPW
cs
48
49
XAO
xstb
50
xrst
51
52
NC
53
LOCK
54
FOK
55
NC
56
A11
57
A9
58
A8
59
A13
60
A14
61
A12
62
VCC
63
A7
64
VSS
I/O
Format
Function and Operation
Not used
O
C
A/D reference voltage output
O
C
TEXT parameter output
O
C
TEXT control parameter serial output
I
TEXT data serial input
O
C
TEXT clock output
I
VCC joint
I
VSS joint
O
C
CD +5V control output
O
C
Servo driver output control
I
Reset input
O
Crystal oscillating element connection pin
GND
I
Crystal oscillating element connection pin
VDD
I
Pull up
I
Back up power sense input
I
Acc sense input
I
TEXT PACK interrupt input
I
IPIN joint
O
C
Power supply control output for IP-BUS interface IC
Not used
I
Pull down
I
"L"
I
Pull down
I
Pull down
Not used
I
Data input from IP-BUS interface IC
O
C
Data output for IP-BUS interface IC
Not used
I
"H"
I
Test program mode input
O
C
CD LSI data output
I
CD LSI data input
O
C
CD LSI clock output
I
6/12 disc select input
Not used
O
C
SRAM enable output
Not used
O
C
SRAM write enable output
O
C
System power supply control output
O
C
SRAM chip select output
O
C
CD LSI data discernment control signal output
O
C
CD LSI strobe output
O
C
CD LSI reset output
Not used
I
Spindle lock detector input
I
FOK signal input
Not used
O
C
SRAM address bus output
O
C
SRAM address bus output
O
C
SRAM address bus output
O
C
SRAM address bus output
O
C
SRAM address bus output
O
C
SRAM address bus output
VDD
O
C
SRAM address bus output
GND
CDX-P1270
47