Service Notes - Sony CDX-M770 Service Manual

CDX-M770
Inputs Telephone ATT control
lead
Illumination control lead
BUS control input connector
BUS audio input connector
Antenna input connector (US model)
Aerial input connector (AEP, UK, E model)
AUX IN connector
Power requirements 12 V DC car battery
(negative ground)
Approx. 178 × 50 × 182 mm
Dimensions
× 2 × 7
(7
1/8
(w/h/d)
Approx. 182 × 53 × 160 mm
Mounting dimensions
× 2 × 6
(7
1/4 1/8
(w/h/d)
Mass Approx. 1.5 kg (2 lb. 10 oz.)
Supplied accessories Parts for installation and
connections (1 set)
Front panel case (1)
Card remote commander
RM-X110 (US model)
RM-X111 (AEP, UK, E model)
Rotary commander
RM-X5S
Note
This unit cannot be connected to a digital preamplifier or an equalizer.
Design and specifications are subject to change without
notice.

SERVICE NOTES

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
breakdown because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic breakdown and also use
the procedure in the printed matter which is included in the repair
parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission, ob-
serve from more than 30 cm away from the objective lens.
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
2
in.)
1/4
in.)
3/8
US model:
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
If the optical pick-up block is defective, please replace the whole
optical pick-up block.
Never turn the semi-fixed resistor located at the side of optical
pick-up block.
semi-fixed resistor
AEP/UK model:
This label is located on the bottom of the chassis.
This label is located on the drive unit's internal chassis.
When replacing the chassis (T) of mechanism deck which have
the "CAUTION LABEL" attached, please be sure to put a new
CAUTION LABEL (3-223-913-11) to the chassis (T).
optical pick-up block