Jvc JLF 50 Service Manual

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Jvc JLF 50 Service Manual

Extracted text from Jvc JLF 50 Service Manual (Ocr-read)


Page 2

JL»F50

Index

No. 2411

Page

1. Specifications ............................................ 3
2. Features .............................................. 4
3. Block Diagram ........................................... 5
4. Operation V

4-(1) Construction Diagram .................................. 6

4-(2) Start Mechanism ..................................... 6

4-(3) Lead-in Mechanism ................................... G

4-(4) Return Cycle Starting Mechanism ............................ 7

4-(5) Repeat Mechanism ....... 3

4-(6) Reject Mechanism .................................... 8

4-(7) Cueing Mechanism .................................... 8
5. Adjustment Procedures

5-(1) Lead-in Adjustment 9

5-(2) Lead-out Adjustment 9
6. Removal of Chassis Base Assy ................................... 10
7. Replacement of Farm

7-[1) Cartridge ......................................... 10

712) Chassis Mechanism .................................... 10

743) Voltage Setting (for U.S. Military Market and Other Areas) .............. 10
8. Troubleshooting

10.

11.
12.
13.

8-(1) Table of Troubleshooting ................................
842) Chart 1. Platter does not rotate . . .

843) Chart 2. Platter rotates at high speed .......................... 14
8-(4) Chart 3. Erratic platter rotation ............................. 14
8-15) Chart 4- Weak starting and long rise time ........................ 14
. Exploded Views and Parts List
9-(1) Player Assy ....................................... 15
9-(2) Mechanism Ass'y .................................... 16
9-(3) Tonearm Assy ...................................... 17
9-(4) Parts List with Specified Numbers for Designated Areas ................ 17
Printed Circuit Board Ass'y and Parts List
10-(1) TPS-96 Power Supply P.C. Board Ass'y ......................... 18
10-(2) MUG-933A Servo Control P.C. Board Ass'y ...................... 19
10-(3) Parts List with Specified Number for Designated Areas ........... 21
Packing Materials and Part Numbers ........................... 22
JL-F50 Schematic Diagram .............. 23
Accessories List ........................................... 24