Sony HCD-LV80 Service Manual

SERVICE MANUAL
HCD-LV80 is the tuner, deck, CD and
amplifier section in LBT-LV80.
Amplifier section
The following measured at AC 120/220/240 V,
50/60 Hz
DIN power output (Rated)
240 + 240 watts
(4 ohms at 1 kHz, DIN)
Continuous RMS power output (Reference)
300 + 300 watts
(4 ohms at 1 kHz, 10 %
THD)
Inputs
PHONO IN (phono jacks): sensitivity 3 mV,
impedance 47 kilohms
MIC 1/2 (phono jack): sensitivity 1 mV,
impedance 10 kilohms
VIDEO 1 IN (phono jacks):sensitivity 250 mV,
impedance 47 kilohms
VIDEO 2 IN (phono jacks):sensitivity 250 mV,
impedance 47 kilohms
MD IN (phono jacks): sensitivity 450 mV,
impedance 47 kilohms
Outputs
PHONES (stereo phone jack):
accepts headphones of
8 ohms or more
VIDEO OUT (phono jack): voltage 250 mV,
impedance 1 kilohm
MD OUT (phono jacks): voltage 250 mV,
impedance 1 kilohm
HCD-LV80
Model Name Using Similar Mechanism
CD
CD Mechanism Type
SECTION
Base Unit Type
Optical Pick-up Type
Model Name Using Similar Mechanism
TAPE DECK
SECTION
Tape Transport Mechanism Type

SPECIFICATIONS

FRONT SPEAKER :
accepts impedance of 4 to
16 ohms
Video section
Inputs
VIDEO1 IN (phono jacks): 1 V p-p, 75 ohms
VIDEO2 IN (phono jacks): 1 V p-p, 75 ohms
Outputs
VIDEO OUT (phono jack): 1 V p-p, 75 ohms
S-VIDEO OUT (4-pin/mini-DIN jack):
Y: 1 V p-p, unbalanced,
Sync negative,
C: 0.286 V p-p,
load impedance 75 ohms
VIDEO CD/CD player section
System Compact disc, digital
audio and video system
Laser Semiconductor laser
(λ = 780 ohm), Emission
duration : continuous
Max. 44.6 µW*
Laser output
* This output is the value
measured at a distance of
200 mm from the
objective lens surface on
the Optical Pick-up Block
with 7 mm aperture.
Wavelength 780 - 790 nm
Frequency Response 2 Hz - 20 kHz (±0.5 dB)
COMPACT Hi-Fi STEREO SYSTEM
E Model
HCD-VR50/VR70
CDM37L-5BD34L
BU-5BD34L
KSS-213D/Q-NP
NEW
TCM-230PWR12
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
CD DIGITAL OUT
(square optical connector jack, rear panel)
Video color system format
NTSC, PAL
Wave length: 660 nm
Output level: –18 dBm
Tape player section
Recording system 4-track 2-channel stereo
Frequency Response (DOLBY NR OFF)
40 - 13,000 Hz (±3 dB),
using a Sony TYPE I
cassette
40 - 14,000 Hz (±3 dB),
using a Sony TYPE II
cassette
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