Yamaha YST-MS55D Manual de servicio - Página 21
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- 1. Table of Contents
- 2. To Service Personnel
- 3. Front and Rear Panels
- 4. Specifications
- 5. Internal View
- 6. Disassembly Procedures
- 7. Usb Port Operation Check
- 8. Block Diagram
- 9. Printed Circuit Board
- 10. Printed Circuit Board
- 11. IC Data
- 12. Schematic Diagram
- 13. Schematic Diagram
- 14. Parts List
- 15. Parts List for Carbon Resistors
A
PRINTED CIRCUIT BOARD (Foil side)
1
•
Satellite Speakers
P. C. B. MAIN (4)
Semiconductor Location
Ref. No.
Location
2
IC3
C1
Q1
C1
Q2
C1
P. C. B. MAIN (8)
SATELLITE
MIDRANGE
Lch
3
+
RE
4
5
6
B
YST-MS50
VOLUME
SATELLITE
TWEETER
Lch
–
+
–
WH
BE
YE
C
YST-MS55D
1
NJM4556AL
(HEADPHONE)
P. C. B. MAIN (5)
SATELLITE
MIDRANGE
Rch
+
–
RE
WH
6
8
7
3
4
5
2
1
D
YST-MS50/YST-MS55D
8
(AUTO POWER)
W1
SATELLITE
TWEETER
Rch
+
–
BE
YE
22