Jvc RK 11 Service Manual

Page 2

Contents

1. Specifications ........................ 1
2. Removal Procedures .................. . . 2
2-(1) Removing the Bottom Cover .......... 2
2(2) Removing the Power Transistors ....... 2
3. Rear View and Part Numbers .............. 2
4. Exploded View and Part Numbers ........... 3
5. Dial Stringing Procedure ................. 4
6. FM/MW(LW) Tuner Alignment Procedures . . . 5 - 6
6-) FM Section ..................... 5
6(2) MW(LW) Section ................. 6
7. Power Amplifier Idling Current Adjustment
Procedure ........................... 6
8. Printed Circuit Board Ass'y and Parts List . . . 7 - 12
8-) ENA~002 Tuner, LED and DIN Socket
Sections ..................... 7 -- 9

1 . Specifications

FM Tuner Section (Figures are based upon 78 IHF standard)

Tuning Range
Usable Sensitivity (IHF)
50 dB Ouieting Sensitivity
Mono
Stereo
Distortion
Mono
Stereo
Signal to Noise Ratio
Mono
Stereo
Selectivity

Capture Ratio

IF Rejection
Image Rejection
Stereo Separation

MW Tuner Section
Tuning Range
Usable Sensitivity

(at 1000 kHz)
Signal to Noise Ratio
Distortion
Selectivity

LW Tuner Section
Tuning range
Usable Sensitivity

Signal to Noise Ratio

Distortion
Selectivity

Power Specifications

:88 MHz - 108 MHz
: 103 dBf (1.8;.IV/300 $2)

. 14.8 dBf (3.0 uV/300 SZI
: 38.3 dBf (45 pV/300 Q.)

: 0.15 % (1 kHz)
: 0.3 % (1 kHz)

:76 dB (70 dB, DIN)
:70 dB (64 dB, DIN)
:65 dB, i400 kHz

(55 dB, £300 kHz, DIN)

:1.5 dB

:85 dB at 98 MHz
:60 dB at 98 MHz
:40 dB at 1 kHz

: 525 kHz - 1605 kHz
: 280 pV/m,

50 IIV (External Antenna)

:50 dB
: 0.5 % at 100 mV/m
:23 dB, :10 kHz

20 dB, :9 kHz

: 150 kHz - 350 kHz
: 450 pV/m,

70 IN (External Antenna)

: 50 dB
:05 % at 100 mV/m
; 30 dB, :9 kHz

8-(2) ENH-003 Main Amp., Fuse, Tone, Speaker
and AC Outlet Sections .......... 10 - 12
9. Packing Materials and Part Numbers .......... 13
10. Accessories List ....................... 13
11. R-K11/L Schematic Diagrams ........... 14 - 17
11-(1) R-K11 Schematic Diagram ........ 14 - 15
11-(2) R-K11 L Schematic Diagram ....... 16 - 17

12. Parts List with Specified Numbers for Designated

Areas .............................. 18

WarnIng:

I|:When replacing the parts marked with A , be sure to

use the designated parts to ensure safety

Amplifier Section

.M_.____l

RMS Power :35 watts per channel min. RMS, both channels
driven, into 8 ohms from 40 Hz to 20 kHz,
with no more than 0.5% total harmonic

distortion.

RMS Power:

30 watts per channel, min. RMS, both channels

driven, into 8 ohms from 20 Hz to 20 kHz,
with no more than 0.03 % total harmonic

distortion.

33 watts per channel, min. RMS, both channels
driven, into 8 ohms at 1 kHz with no more
than 0.008 % total harmonic distortion.

35 watts per channel at 1 kHz into 8 ohms
0.7 % total harmonic distortion.

Input Sensitivity/
Impedance
PHONO
TAPE PLAY 1,2
TAPE PLAY 1
(DIN)
Tone Control
Bass
Treble
Signal to Noise Ratio

PHONO
AUX, TAPE PLAY

(IHF A-Net.)

: 2.5 mV/47 kohms
: 120 mV/40 kohms
; 120 mV/40 kohms

:18 dB at 100 Hz
:18 dB at 10 kHz

('78 IHF)
: 71 dB 78 dB (Rec. Out)
: 91 dB 74 dB

mm Areas W. Line Voltage ii-Frequency A Power Consumption
U.S.A., Canada AC 120 V, 60 Hz 125 W. 155 VA
Europe AC 220 VN, 50 Hz 260 watts

1 U.K., Australia AC 240 VN, 50 Hz 260 watts
1 Other Areas AC#1_19(120/220/240 VN, Selectable, 50/60 Hz 260 watts
Dimensions and Weight
Dimensions Weight
Height Width Depth Net
92 mm l3-5/8") 435 mm {17-1/8"l 356 mm (14") IR-K11) 5.4 kg (11.9 lbs)

339 mm (13 11/32i (R-K11LI

R-K11/L
No. 2647