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Printed Wiring Board - Limiter Board; Schematic Diagram - Limiter Board - Sony STR DA2400ES - 7.1 Channel Home Theater AV Receiver Service Manual

Multi channel av receiver.
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6-34. PRINTED WIRING BOARD - LIMITER Board -

• See Page 35 for Circuit Boards Location.
1
LIMITER BOARD
JW1203
C1913
D1906
JL1754
JL1752
A
C1909
AH
JW1204
R1928
ACLASS
BOARD
2
3
1
CN1909
CN1902
(Page 50)
IC1905

6-35. SCHEMATIC DIAGRAM - LIMITER Board -

1
2
LIMITER BOARD
A
IC1905
TEMPERATURE SENSOR
B
CN1902
5P
+7V
1
AH
NC
2
GND
3
ACLASS
BOARD
TEMP1
4
CN1909
C
TEMP2
5
(Page 51)
STR-DA2400ES/DG920
: Uses unleaded solder.
2
C1910
JL1753
JW1205
2
3
1
11
(11)
IC1903
1-875-901-
3
4
IC1903
TEMPERATURE SENSOR
IC1905
IC1903
LM61CIZ/LFT2
LM61CIZ/LFT2
3
2
1
R1928
100
JL1751
C1913
C1909
1
0.1
JL1752
JL1753
JL1754
• Waveforms
– DIGITAL VIDEO Board –
IC3506
1 V/DIV, 20 ns/DIV
IC3800
37 ns
1 V/DIV, 20 ns/DIV
5
3
2
1
C1910
1
61
61
– MICON Board –
(XTALOUT)
IC8003
(OSCOUT)
3.8 Vp-p
35.3 ns
22.2 ns
1 V/DIV, 10 ns/DIV
(CLKIN)
IC8005
(BCK)
3.6 Vp-p
357 ns
1 V/DIV, 100 ns/DIV
IC8005
(SCK)
88.6 ns
1 V/DIV, 50 ns/DIV
STR-DA2400ES/DG920
– DISPLAY Board –
Q706 (Collector)
36 Vp-p
4 Vp-p
4.6 μs
10 V/DIV, 2 μs/DIV
3.4 Vp-p
3.4 Vp-p

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