Pioneer fhm 8627 zt 91 service manual

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. This service manual should be used together with the following manualls):

Model No. Order No. Mech. Module Remarks
CX-977 CRT2624 89 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly

. Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

SAFETY INFORMATION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.

Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.

. CD section precaution

1. Before disassembling the unit, be sure to turn off the 2- To protect the PleUD hit from electrostatic dlS-
power. Unplugging and plugging the connectors dur- charge during SBTViCan: take an appropriate treat-
ing power-on mode may damage the ICs inside the ment (shorting-solder, shorting pin, shorting SWi'fChl
unit. by referring to "the DISASSEMBLY on page 68.

3. After replacing the pickup unit, be sure to check the
grating. (See p.58.)

[ Important symbols for good senlioes ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely,
When you find the procedures bearing any of the symbols, be sure to fulfill them:

1. Product safety

You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during sen/icing by following the safety instructions described in this manual.

N

. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning

' o For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
% proper cleaning should be performed to restore their performances.

4. Shipping mode and shipping screws \

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

.- /

5. Lubricants, glues, and replacement parts

Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement pans or tools, the prescribed
ones should be used.

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