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1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3.1 BLOCK DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.4 DSP UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3.5 KEYBOARD UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.2 DSP UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
4.3 KEYBOARD UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
6. ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
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L 13942296513
6.3 TEST MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
7.1 DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.1.1 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.2 IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.4 CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
8. OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
- CD Player Service Precautions
1.
Before shipping out the repaired product, confirm the
position of the DSP MODE switch; the switch should
be set to the side that the customer previously select-
ed.
If the switch is set to the STD side on the product
where the NW side was selected, the speakers con-
nected may be damaged.
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2.
For pickup unit(CXX1550) handling, please refer
to"Disassembly"(see page 82)
During replacement, handling precautions shall be
.
taken to prevent an electrostatic discharge(protection
by a jumper-solder).
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3. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
4. Please checking the grating after changing the ser-
vice pickup unit(see page 77).
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DEH-P940MP/UC
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