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3-3.
SCHEMATIC DIAGRAM
7
7
SRS-T77
• IC Block Diagram
IC1, 2 TEA2025D-013TR
20
19
18
17 16 15 14
13 12
11
THERMAL
PROTECT
START
CIRCUIT
DECOUPLING
1
2
3
4
5
6
7
8
9
10
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/
W or less unless otherwise
4
specified.
• C : panel designation.
• A : B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : POWER ON
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: LINE INPUT
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