Jvc RC 250 Service Manual

Page 2

RC<250L/LB

Contents

Page
Specifications .................................................................... 2
Main Parts Location ................................................................ 3
Disassembly & Replacement ........................................................... 4
Tuner Alignment ................................................................. 5, 6
Adjustment of Cassette Mechanism ..................................................... 6, 7
Block Diagram ................................................................... 8
Wiring Connection ................................................................ 9
Schematic Diagram of RC-250L/LB .................................................... 10
Switch Circuit Board Ass'y ........................................................... 11
Main Circuit Board Ass'y .......................................................... 12, 13
Exploded View of Cassette Mechanism ................................................... 14
List of Cassette Mechanism ........................................................... 15
Exploded View of Main Circuit Board Ass'y ............................................... 16
Exploded View of Rear Cabinet ....................................................... 16
Exploded View of Front Cabinet (1) .................................................... 17
Exploded View of Front Cabinet (2) .............................................. . 18, 19
Final Packing Ass'y (RC-250L) ........................................................ 20
Accessories (RC-250M ............................................................. 20
Final Packing Assy (RC-250LB) ....................................................... 21
Accessories (RC-250 LB) ............................................................ 21
Specuflcation
DIMENSIONS: 29.8 chW) x 18 chH) x 8.2 cm(D) WEIGHT: Approx. 22 kg/4,8 lbs (with batteries)
11-3/4" (W) X 7-1/8" (H) X 3*1/4" (D) 1.9 kg/4.2 lbs (without batteries)

TUNER SECTION AMPLIFIER SECTION _
Frequency Ranges : FM 88 ~ 108 MHz Speakers :9 cm (3%"), 3.2 32

MW 540 ~ 1600 kHz Power Output : Max. 1.3 W

LW 50 " 350 KHZ POWER SOURCE
Antennas : FM; ROd antenna DC : 6 V, 4 R20-cells or equivalent

MW/LW;Ferrite core antenna AC : 240/220/110 V, 50/60 Hz
RECORDER SECT'ON POWER CONSUMPTION :4 w
Tape Speed : 4.8 cm/s (1-7/8 ips)
Track System : 2-track monaural
Recording System : DC bias
Erasing System : DC erasmg
Fast Forward Time : Within 110 sec (060 cassette)
Rewmd Time : Within 110 sec ((2-60 cassette)
Wow 84 Flutter : 0.15% (WRMS)

No. 1409