Jvc 4VR 5446 X Service Manual

Page 1

SERVICE MANUAL

No. 2338

MO DEL 4VR-5446X

FM/AM 4-CHANNEL STEREO RECEIVER

WITH CD-4 DEMODULATOR

D - 15-3/8
(39.1cm)

W - 20"
(50.80m)

DIMENSIONS : H - 6-3/8" Weight:

(16.4cm)

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AMPLIFIER SECTION

SPECIFICATIONS
SEA Center Frequency

RMS Power 21W per channel at 8:1 (Front)
All channels driven, 23W per channel at 4:1 SEA Control Range
20Hz~20kHz (Front) '
Dower bandwidth 55W per channel at 8n (BTL) . Bass Control (Rear)
RMS Power 104W (26W X 4) at 8.0. Treble Control (Rear)
All channels driven, 120W (30W x 4) at 4:1 Loudness Control
at 1kHz 120w (60W x 2) at an (BTL)

Total Dynamic Power (IHF): 172W (43W X 4) at so
200w (50w x 4) at 49
10Hz~ 30kHz

0.5% at rated output
01% at half rated output
03% at rated output

02% at half rated output

Low Cut Filter

High Cut Filter
Crosstalk

FM TUNER SECTION
Tuning Range

Usable Sensitivity

IHF Power Bandwidth
Total Harmonic Distortion

Intermodulation Distortion :

Load Impedance 4n~160 (at 400Hz, 100% Mod)
(Sn~16n : for BTLy System 1+2)
Damping Factor 30 at 851 Signal to Noise Ratio
Input Sensitivity, Selectivity
Impedance and S/N Ratio : Phono (High) 1.5mV/100kn, 65dB Capture Ratio
, Phono (Low) 3.0mV/1001m,70dB Muting Level
Aux»1, -2 200mV/50kn, 75dB

MW TUNER SECTION
Tuning Range

Usable Sensitivity
Selectivity

Tape Mom-1, -2 200mV/50kn, 75dB
FM 4ch Input 200mV/50kfl, 75dB
200mV

10Hz~ 30kHz, tldB

Recording Output Level
Frequency Response

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Total Harmonic Distortion :

27.8 lbs
(15.8 kg)

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40, 250, 1k, 5k, 15kHz

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t10dB at 100Hz
tlodB at IOkHz
+12dB at 50H:
+6dB at lOkHz
-10dB at 50Hz
-10dB at IOkHz
501113 at lkHz

SSMHz to 108MHz
2.0m (II-IF)

MONO
STEREO
65dB
65dB
2.0dB
10uV

0.5%
0.8%

520kHz to 1605kHz
30;.iV, ZOOuV/m
30dB

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Page 2

REMOVAL OF THE TOP COVER AND BOTTOM PLATE

1. Remove 4 screws through the both sides of the top cover.
2. Remove the top cover

3. Remove screws from bottom plate and remove the bottom plate from the chassis.

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FINAL PACKING ASS'Y

PARTS NAME PARTS N0.
Envelope E32332-017
Carton Case 4VR-5446X-PK
Packing Materials 4VR-5446X-NZ

4VR-5446X(Nol 2338) _ 2 _

DL-ED92382
E48193-002
SDSP4012MS
E48599-001
SDSB3012N
131756-001
SDSB4008N
SDSBSOOSN

Wooden Case
Washer

Screw

Foot

Tapping Screw
Bottom Plate
Tapping Screw X 2
Tapping Screw X 9

Page 26

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4VR-5446X(No. 2338)