Sony HD-VR90AV Service Manual

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SERVICE MANUAL
HCD-VR90AV is the tuner, deck, CD and ampli-
fier section in LBT-VR90AV.
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L 13942296513
Amplifier section
Front Speaker:
The following measured at AC 120/220/240V, 50/60Hz
DIN power output (Rated)
Continuous RMS power output (Reference)
Center Speaker:
DIN power output (Rated)
Continuous RMS power output (Reference)
Rear Speaker:
DIN power output (Rated)
Continuous RMS power output (Reference)
Inputs
PHONO IN (phono jacks):
MIX MIC (phone jack):
VIDEO1 IN (phono jacks):
VIDEO2 IN (phono jacks):
www MD IN (phono jacks):
.
MICROFILM
http://www.xiaoyu163.com
Tape deck
DVD INPUT
FRONT (phono jacks):
REAR (phono jacks):
130 + 130W
(6 Ω at 1 kHz, DIN)
CENTER (phono jacks):
160 +160W
(6 Ω at 1 kHz, 10% THD)
WOOFER (phono jacks):
30W
(8 Ω at 1 kHz, DIN)
Outputs
PHONES (stereo phone jack):
40W
(8 Ω at 1 kHz, 10% THD)
VIDEO OUT (phono jack):
30 + 30W
(8 Ω at 1 kHz, DIN)
MD OUT (phono jacks):
WOOFER OUT (phono jack):
40 + 40W
(8 Ω at 1 kHz, 10% THD)
FRONT SPEAKER:
sensitivity 3mV,
impedance 47k Ω
CENTER SPEAKER:
sensitivity 1mV,
impedance 10k Ω
REAR SPEAKER:
sensitivity 250mV,
impedance 47k Ω
sensitivity 250mV,
impedance 47k Ω
sensitivity 450mV,
impedance 47k Ω
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HCD-VR90AV
2 9
8
Model Name Using Similar Mechanism
CD Mechanism Type
CD
Section
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
Section Q Q
Tape Transport Mechanism Type
3 6 7 1 3
SPECIFICATIONS
sensitivity 450mV,
impedance 47k Ω
sensitivity 450mV,
impedance 47k Ω
sensitivity 450mV,
impedance 47k Ω
sensitivity 450mV,
impedance 47k Ω
accepts headphones of
8 Ω or more
voltage 250mV,
impedance 1k Ω
voltage 250mV,
impedance 1k Ω
voltage 1V,
impedance 1k Ω
accepts impedance of 8
to 16 Ω
accepts impedance of 8
to 16 Ω
accepts impedance of 8
to 16 Ω
COMPACT Hi-Fi STEREO SYSTEM
.
9 4 2 8
HCD-VR50/VR70
CDM37L-5BD34L
BU-5BD34L
KSS-213D/Q-NP
NEW
TCM-230AWR2/230PWR2
1 5 0 5 8 2 9 9 4
Video section
Inputs
VIDEO1 IN (phono jacks):
VIDEO2 IN (phono jacks):
DVD INPUT VIDEO (phono jacks):
Output
VIDEO OUT (phono jack):
S-VIDEO OUT (4-pin/mini-DIN jack):
— Continued on next page —
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9 9
E Model
2 8 9 9
1Vp-p, 75 Ω
1Vp-p, 75 Ω
1Vp-p, 75 Ω
1Vp-p, 75 Ω
Y : 1Vp-p, unbalanced,
Sync negative,
C : 0.286 V p-p,
load immpedance
75 Ω