Service manual
Table Of Contents
- SAFETY INFORMATION
- CONTENTS
- 1. SPECIFICATIONS
- 2. EXPLODED VIEWS AND PARTS LIST
- 2.1 PACKING
- 2.2 EXTERIOR
- 2.3 CD MECHANISM MODULE
- 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
- 3.1 BLOCK DIAGRAM
- 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
- 3.3 KEYBOARD UNIT
- 3.4 CD MECHANISM MODULE(GUIDE PAGE)
- 4. PCB CONNECTION DIAGRAM
- 4.1 TUNER AMP UNIT
- 4.2 KEYBOARD UNIT
- 4.3 PANEL UNIT
- 4.4 CD CORE UNIT(S10.5COMP2)
- 5. ELECTRICAL PARTS LIST
- 6. ADJUSTMENT
- 6.1 CD ADJUSTMENT
- 6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT
- 6.3 ERROR MODE
- 6.4 IPOD TEST MODE
- 6.5 SYSTEM MICROCOMPUTER TEST PROGRAM
- 7. GENERAL INFORMATION
- 7.1 DIAGNOSIS
- 7.1.1 DISASSEMBLY
- 7.1.2 CONNECTOR FUNCTION DESCRIPTION
- 7.2 IC
- 7.3 OPERATIONAL FLOW CHART
- 8. OPERATIONS
DEH-P6950IB/XN/ES
65
5678
56
7
8
C
D
F
A
B
E
7.3 OPERATIONAL FLOW CHART
Vcc=5 V
Pin 14
Power ON
bsens=L
asens=L
bsens
Pin 73
asens
Pin 72
dsens=L
2 V < CSENS < 3 V
dsens
Pin 39
SWVDD←H
Pin 38
Source keys
operative
Completes power-on operation.
(After that, proceed to each source operation.)
SYSPW←H
Pin 1
Starts communication with Grille microcomputer.
Source ON
300 ms
300 ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 300 msec, the oscillator
may be defective.
CSENS
Pin 91
ASENBO←H
Pin 80
- 2 V < CSENS < 3 V
Last source returns.
CD loading functions are available.
Keys except for EJECT key are not available.