Table Of Contents - JVC OL-A200 Service Manual

Contents
Page
1. Specifications ............c.ecececececesonessnnennarcecessenens 2
2. Mechanism Operation .................0::sseeeeeeeeeeeeeeees 3
2-(1) Change Cycle Start Mechanism ...............+. 3
2-(2) Tonearm Operating Mechanism
and Switch ON-OFF Mechanism ................ 3
3. Removal and Reassembly Procedure .................++ 4
3-(1) Removal of Cabinet .................cc cece ee ee eee 4
3-(2) Reassembly of Cabinet ...................:.0.:eeee 4
3-(3) Removal of Pickup Base Ass'y .................55 4
3-(4) Reassembly of Pickup Base Ass'y .............. 4
3-(5) Reassembly of Anti-skating Lever .............. 5
4. Stylus Replacement (DT-5511) ............c:eseeeeeeeeees 5
5. Cartiridge Mounting ..............ccccssesserereceeeeeeeeeeres 5
5-(1) Removal and mounting of the headsheel ..... 5
5-(2) Mounting Cartridge ...........ccccceeereseeeseeeeees 5
GB. Adjustment ..........:cccceeceeseeecesseneersseeesetsenereneees 6
6-(1) Tracking Force Adjustment .............-.0.0.006 6
6-(2) Overhang Adjustment .............0cccscereeeeeeees 6
Page
6-(3) Tonearm Elevator-height Adjustment .......... 6
6-(4) Lead-out Adjustment ................cceeceeeeeeeeee 7
7. Exploded Views and Parts List ..............:::.eceeeeeee 8
7-(1) Mechanism Assembly .................0.00.cceeeeee 8
7-(2) Mechanism Base Assembly ....................0065 9
7-(3) Tonearm Assembly ................cc:eeeeeeene eens 10
8. Power Cord Connections in Different Areas .......... 10
9. Printed Circuit Board Ass'y and Parts List ............. 11
9-(1) TXX-437(1 Power Supply
P.C. Board ASS'y ............ ccc ce eee ne eee ee ener ee eees 11
9-(2) MC-945B Motor Driver P.C. Board Ass'y .... 11
10. Accessories List .............::ceceseeeeeee cece ereeeeeesenoees 12
11. Packing Materials and Part Numbers .................066 13
12. QL-A200 Schematic Diagram .................. cece eee 14
13. Trouble ShOOting ............ cece ee eeeeteeeeteteenereeeeat 16
14. Parts List with Specified Numbers for
Designated Area ................:.:eceeeeeeneeneees Back Cover
CHECKING YOUR LINE VOLTAGE (For U.S. Military Market and Other Countries)
Before inserting the power plug, please check this setting to see that it corresponds with the line voltage in
your area. If it doesn't, be sure to adjust the voltage selector switch to the proper setting before operating this
equipment. The voltage selector switch is located undernearth the platter on the cabinet.
CAUTION Before selecting the 'Voltage selector swtich'' to proper voltage disconnect the power plug.
1. Specifications
MOTOR AND PLATTER
Drive system : Quartz locked auto-return turn-
table
Driver Motor : DC servomotor
Speeds : 33-1/3 and 45 rpm
Wow and Flutter : Less than 0.025% (WRMS)
0.045% (DIN)
Signal to Noise Ratio : Better than 78 dB (DIN-B)
Platter : 12-inch (30 cm) diameter die-
cast aluminium alloy
TONEARM
Type : Statically balnaced straight
tubular arm with JVC
developed TH (Tracing Hold)
balancing system and tracking
force dial graduated in
0.1 gram steps.
Effective Arm Length : 220mm
Overhang >15 mm
Applicable Tracking
Force Range : 0 to 3 grams
Applicable Cartridge : 9.0 to 12.5 grams (including
Weight headshell)
Headshell Weight : 4.5 grams
CARTRIDGE (Except the QL-A200 for U.S.A. and Canada)
Type : Moving magnet (MD1055T1)
Stylus : 0.6 mil. diamond for DT-551
Optimum Tracking
Force :1.75+0.25 grams
Output : 2.5 mV (1 kHz)
Frequency Response : 10 to 25,000 Hz
Separation : Better than 25 dB (1 kHz)
Load Resistance : 47 kohms
Compliance : 25x 10°8cm/dyne (Static)
8 x 10-®cm/dyne (100 Hz
Dynamic)
GENERAL
Dimensions : 43.5(W) x 36.0(D) x 19.5 (H) cm
Net Weight : 5.2 kg (11.5 lbs)
POWER SPECIFICATIONS
Povwwer
Countries Line Voltage & Frequency Corsurmption
U.S.A. & CANADA | AC 120 V, 60 Hz |
CONTINENTAL
EUROPE |
AC 220 Vn, 50 Hz
U.K. & AUSTRALIA} AC 240 V~, 50 Hz
AC 110/120/220/
Sow atts
erred 240 V~ selectable,
50/60 Hz
AC 110/120/220/
OTHER AREAS 240 V~ selectable,
50/60 Hz
Design and specifications subject to chang: vwithout
notice.
QL-A200
No. 2649