Jvc A X9 Service Manual
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Extracted text from Jvc A X9 Service Manual (Ocr-read)
Page 1
Kffis
STEREO INTEGRATED AMPLIFIER
No. 2480
JUN. 1979
Page 2
Contents
Page
1. Specifications ........................................................ 2
2. Removal of Top Cover and Bottom Plate ...................................... 3
3. Main Parts Location and Part Numbers ............... ........................ 4
4. Exploded Views and Part Numbers
4-(1) Front Panel ................................................... 5
4-(2) Rear Panel .................................................... 6
443) Equalizer and Power Transformer .................................... 7
5. Block Diagram ........................................................ 7
6. Adjustment Procedures
6~(1) Main Amp. Center Voltage ......................................... 8
6-l2) Main Amp. Idling Current ....................... . ................. 8
7. Servicing Procedures
7-(1l Main Amp. ................................................... 9
7-(2i Indicators .................................................... 11
8. Printed Circuit Board Ass'y and Parts List
8-(1) TXX-1828 Power Amp. and Speaker Connector P.C. Board Ass'y ............... 12
8-(2) TAS-30A Bias Control and Protector P.C. Board Assy . . . . . ; ............... 15
8-(3) TXX-1838 Driver Amp. and Tone Control P.C. Board Ass'y .................. 16
844) TAE-1288 Equalizer Amp. P.C. Board Ass'y ............................. 19
845) TXX-184A Switch Unit P.C. Board Ass'y ............................... 22
8-(6) TXX-18SB, C or D Electrolytic Capacitors P.C. Board Ass'y . . . . . . . . . . . . . . . .' . . 23
847) TSC-1228 Pin Jack P.C. Board Ass'y . . . ............................... 24
8-(8) TPS-219A, B or C AC Outlets and Voltage Selector P.C. Board Ass'y ............. 24
9. Packing Materials and Part Numbers .......................................... 25
10. Accessories List ....................................................... 25
11. A-X9 Schematic Diagram ............................................. 26 - 27
12. Parts List with Specified Numbers for Designated Areas ............................. 28
Warning:
When replacing the parts marked with A , be sure to use the designated parts to ensure safety.
A-X9
No. 2480 _ 1 ,