Self Diagnosis Function - Sony HCD-C770 Service Manual

HCD-C770/C990
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Super Audio CD/DVD system
Laser Semiconductor laser
(Super Audio CD/DVD: λ = 650 nm)
(CD: λ = 780 nm)
Emission duration: continuous
Signal format system NTSC or NTSC/PAL
Frequency response (at 2 CH STEREO mode)
DVD (PCM): 2 Hz to 22 kHz (±1.0 dB)
CD: 2 Hz to 20 kHz (±1.0 dB)
Signal-to-noise ratio More than 80 dB (VIDEO 1 (AUDIO) connectors only)
Harmonic distortion Less than 0.03 %
FM tuner section
System PLL quartz-locked digital synthesizer system
Tuning range
North American model: 87.5 – 108.0 MHz (100 kHz step)
Other models: 87.5 – 108.0 MHz (50 kHz step)
Antenna FM wire antenna
Antenna terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
System PLL quartz-locked digital synthesizer system
Tuning range
North American model: 530 – 1,710 kHz (with the interval set at 10 kHz)
531 – 1,710 kHz (with the interval set at 9 kHz)
European model: 531 – 1,602 kHz (with the interval set at 9 kHz)
Other models: 531 – 1,602 kHz (with the interval set at 9 kHz)
530 – 1,710 kHz (with the interval set at 10 kHz)
Antenna Loop antenna
Intermediate frequency 450 kHz
Video section
Inputs Video: 1 Vp-p 75 ohms
Outputs Video: 1 Vp-p 75 ohms
S video:
Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P /C
B
General
Power requirements TE
L 13942296513
North American model: 120 V AC, 60 Hz
European model: 230 V AC, 50/60 Hz
Australian model: 220 – 240 V AC, 50/60 Hz
Power consumption (C770) 135 W (120 V AC) 135 W (230 V AC)
1 W (120 V AC) 2 W (230 V AC)
(at the Power Saving Mode)
Power consumption (C990) 140 W (120 V AC)
1 W (120 V AC) (at the Power Saving Mode)
Dimensions (approx.) 355 × 70 × 335 mm (14 × 2
incl. projecting parts
Mass (approx.) 4.4 kg (9 lb 12 oz)
Operating temperature 5˚C to 35˚C (41˚F to 95˚F)
Operating humidity 5 % to 90 %
Design and specifications are subject to change without notice.
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SELF DIAGNOSIS FUNCTION

8
Self-diagnosis Function
(When letters/numbers appear in the
display)
When the self-diagnosis function is
activated to prevent the system from
malfunctioning. In this case a five-character
service number (e.g., C 13 00) with a
combination of a letter and digits appears on
the screen and the front panel display. Refer
to the following table.
C:13:00
First three
Cause and/or Corrective
characters of
Action
the service
number
C 13
The disc is dirty.
, Clean the disc with a soft
cloth.
C 31
The disc is not inserted
correctly.
, Re-insert the disc
Q Q
3 6 7 1 3
correctly.
E XX To prevent a malfunction, the
(xx is a number) 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
Note: Refer to the "5. TEST MODE" (page 22) for another self-diagnosis
function.
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