Read Sony CMT-DH888BT / HCD-DH888BT Service Manual online
HCD-DH888BT
2
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.
aged by heat.
FLEXIBLE CIRCUIT BOARD REPAIRING
•
•
Keep the temperature of soldering iron around 270 °C during
repairing.
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
or unsoldering.
SAFETY-RELATED COMPONET 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
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.
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specifi ed herein may result in hazardous radia-
tion exposure.
Use of controls or adjustments or performance of procedures
other than those specifi ed herein may result in hazardous radia-
tion exposure.
This appliance is classified as a CLASS 1
LASER product. This marking is located
on the rear exterior.
LASER product. This marking is located
on the rear exterior.
Sampling frequencies:
MP3 (MPEG 1 Audio Layer-3):
32/44.1/48 kHz
ATRAC: 44.1 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
32/44.1/48 kHz
ATRAC: 44.1 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
Disc player section
System:
Compact disc and digital audio and
video system
video system
Laser:
Laser Diode Properties:
Laser Diode Properties:
Emission duration: continuous
Laser Output*: Less than 1000 μW
Laser Output*: Less than 1000 μW
*
at a distance of 200
This output is the value measurement
mm from the
objective lens surface on the Optical
Pick-up Block with 7 mm aperture.
Pick-up Block with 7 mm aperture.
Semiconductor laser:
(DVD: λ=650 nm, CD: λ=790 nm)
Video color system format:
NTSC and PAL
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range:
FM tuner section
Tuning range:
87.5 — 108.0 MHz (50 kHz step)
Antenna:
FM lead antenna
Antenna terminals:
75 ohms unbalanced
Intermediate frequency:
10.7 MHz
AM tuner section
Tuning range:
Tuning range:
530 — 1,710 kHz (with the interval set
at 10 kHz)
531 — 1,602 kHz (with the interval set
at 9 kHz)
at 10 kHz)
531 — 1,602 kHz (with the interval set
at 9 kHz)
Antenna:
AM loop antenna
Antenna terminals:
External antenna terminal
Intermediate frequency:
450 kHz
General
Power requirements:
220 — 240 V AC, 50/60 Hz
Power consumption:
45 W
Dimensions (w/h/d) (Approx.):
190 × 141 × 273 mm
Mass (Approx.):
2.8 kg
change without notice.
Design and specifications are subject to
Self-diagnosis Function
(When letters/numbers appear in the
display)
When the self-diagnosis function
is activated to prevent the system
from malfunctioning, a 5-character
service number (e.g. C 13 50) with a
combination of a letter and 4 digits
appears on the TV screen and the front
panel display. In this case, check the
following table.
display)
When the self-diagnosis function
is activated to prevent the system
from malfunctioning, a 5-character
service number (e.g. C 13 50) with a
combination of a letter and 4 digits
appears on the TV screen and the front
panel display. In this case, check the
following table.
First 3
characters of
the service
number
characters of
the service
number
Cause and corrective
action
action
C 13
Clean the disc with a
•
C 31
correctly.
Restart the system,
•
then re-insert the
disc correctly.
disc correctly.
E XX
(XX is a
number)
(XX is a
number)
To prevent a
malfunction, the
system has performed
the self-diagnosis
function.
malfunction, the
system has performed
the self-diagnosis
function.
Contact your nearest
•
Sony dealer or local
authorized Sony
service facility and
give the 5-character
service number.
Example: E 61 10
authorized Sony
service facility and
give the 5-character
service number.
Example: E 61 10
When displaying the version number
on the TV screen
on the TV screen
When you turn on the system, the
version number [VER.X.XX] (X is a
number) may appear on the TV screen.
Although this is not a malfunction and
for Sony service use only, normal system
version number [VER.X.XX] (X is a
number) may appear on the TV screen.
Although this is not a malfunction and
for Sony service use only, normal system
the system, and then turn on the system
again to operate.
again to operate.
SELF DIAGNOSIS FUNCTION
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