Jvc RC 545 LB Service Manual

Page 2

RC-545L/LB

C o ntents
Page

Specifications .................................................................. 2
Main Parts Location .............................................................. 3
Disassembly 8: Replacement ...................................................... 4,5
Tuner Alignment .............................................................. 6,7
Adjust Recording Bias ............................................................ 8
Adjusting Head Azimuth ........................................................... 8
How to Fit Dial Cord ............................................................. 9
Adjustment of Cassette Mechanism ................................................. 10,11
Block Diagram ................................................................ 12
Wiring Connection .............................................................. 13
Schematic Diagram of RC-545L/LB (Tuner) ............................................. 14
Schematic Diagram of RC-545L/LB (Amplifier) .......................................... 15
Tuner Circuit Board Ass'y ....................................................... 18,19
Exploded View of Cassette Mechanism ................................................ 20
List of Cassette Mechanism ........................................................ 21
Connector Circuit Board Ass'y ...................................................... 22
LED Circuit Board Assy .......................................................... 22
Power Supply Circuit Board Ass'y ................................................... 22
Exploded View of Tuner Chassis Ass'y ................................................ 23
Exploded View of Amplifier Section ................................................ 24,25
Exploded View of Front Cabinet .................................................. 26,27
Exploded View of Rear Cabinet (RC-545L) ............................................. 28
Exploded View of Rear Cabinet (RCv545LB) ............................................ 29
Final Packing Assy (RC-545L) ..................................................... 30
Accessories (RC-545L) ........................................................... 30
Final Packing Assy (RC-545LBI .................................................... 31
Accessories (RC-545LB) .......................................................... 31

S pecrflcatlons

DIMENSIONS: 24.1cm(H) x 42.4cm(W) x 11.4mm) WEIGHT: Approx. 4.5 kg (with batteries)

9-1/2" x16'3/ " x 4-1/2 9.9 lbs.

TUNER SECTION
Frequency Ranges

FM 88~108MHZ
SW 6~18MHZ

Power Output

Input Jacks

Max. 5.4W (2.7W+2.7W)(DC)
4W (2W+2W)(DC) at 10% THD
MIC x 2 (0.8mV, low imp.)

MW 540~1600kHz Output Jacks Ext. Speaker x 2 (3.2~8Sl)
LW 150~350kHZ Headphones x 1 (89)
RECORDER SECTION Input/Output Jack DIN

Tape Speed
Track System

4.8 cm/s (1-7/8 ips)
4-track 2-channel stereo

POWER CONSUMPTION I

12W (RC-545L)
9.5W (RC-545LB)

Recording System AC Bias SEMICONDUCTORS

Erasing System DC Erasing le 5 + 2 (Microphone)

S/N Ratio More than 40dB at 1kHz Transistors 10 + 2 (Motor governor)

Fast Forward Time Within 90 sec. (C-SO cassette) Diodes 14

Rewinding Time Within 90 sec. ((3-60 cassette) POWER SOURCE

Wow 8t Flutter 0.14% (WRMS) DC 9V, 6 "R20, U2" Calls or

AMPLIFIER SECTION equivalent

Speakers 12 cm (5) x 2, 3.29 AC 110/220/240V, 50/60Hz
No. 1388

_2-

Page 23

Exploded View of Tuner Chassis Ass'y

R0545 L/ LB

Asterisked parts (*1 show new parts,

_23_

Ref. No. Parts No. Parts Name Description Oty
1 VYH2111-003 Chassis Base 1
2 VYH4002-001 Roller 4
3 V42562»1 Special Washer 3
4 RTA4008 Rivet 1
5 V41336-13 Tuning Shaft 1
6 REE3000 E-Ring 1
7 *QAT5001-203 Midget Variable Capacitor VC3 (Fine Tuning) 1
3 Blank No.

9 *- Circuit Board Ass'y Tuner 1
10 835830102 Tapping Screw 2
11 VKZ4001-007 Wire Holder 1
12 *VXQ3018-002 Toggle Lever BAND Selector 1
13 * -- Circuit Board Ass'y LED 1
14 QZD1108-002 Dial Drum 1
15 SSSPZGUBZ Screw 1
16 VYSA1Fl6-021 Spacer Glued (Sticker) 1
17 50153-3 Spring 1
18 VHRZTTQ-OGA Dial Cord 1
19 Blank No.

20 *VJN4021-001 Pointer Holder 1
No. 1388