Sch09_Main Preout - Denon DRA-100 Service Manual

1 2 3
A
6B
AUX_L
TO DIR/DSP/FPGA SHEET
AUX_R
B
TO B6
C
2A
GND
+9VA
FROM POWER SHEET
-9VA
TO A2
3V3_STBY
D
8B
CH0_REF0
CH0_REF1
CH0_REF2
FROM CSRA SHEET
E
CH1_REF0
CH1_REF1
CH1_REF2
F TO B8
G
CH7_REF0
FROM CSRA SHEET
CH7_REF1
CH7_REF2
H
4B
ANA_SEL
GND
HP_DET
FROM CPU/CY920 SHEET
PRE_MUTE
HP_MUTE
TO B4
J
SW_MUTE
CH4_REF0
CH4_REF1
K
CH4_REF2
FROM CSRA SHEET
CH5_REF0
CH5_REF1
CH5_REF2
L
M
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO R
1 2 3
4 5 6
DRA-100 MAIN - PREOUT (9/9)
D1901
LBAS16HT1G
R1905
3K3
D1902 C1906
R1938
680P-J
LBAS16HT1G 910
D1903
LBAS16HT1G
IC1901
NJM8068G
R1904
C1901 15 A_OUTPUT V+
R1901 3K32-B
B_OUTPUT
A-INPUT
R1902 3K32-B 100/16(6.3*5.3)-RV2
B-INPUT
A+INPUT
R1903 53K6-B V- B+INPUT
R1914
C1911
15
R1911 3K32-B
R1912 3K32-B 100/16(6.3*5.3)-RV2
R1913 53K6-B
R1939
10K
R1985
3K3
C1986
150N-K
IC1981
NJM8068G
R1984
C1982
15 A_OUTPUT V+
R1981 3K32-B
A-INPUT B_OUTPUT
R1982 3K32-B
100/16(6.3*5.3)-RV2
A+INPUT B-INPUT
R1983 53K6-B
V- B+INPUT
*SUSUMU Metal Film
3K3-D
R1945
C1946 680P-J
IC1941
*SUSUMU Metal Film
OPA1662
*SUSUMU Metal Film
R1944
C1942
A_OUTPUT V+
15-D
R1941 3K32-B
B_OUTPUT
A-INPUT
R1942 3K32-B
100/6.3(6.3*5.4)-UQ B-INPUT
A+INPUT
R1943 53K6-B V- B+INPUT
R1954 *SUSUMU Metal Film
C1952
15-D
R1951 3K32-B
R1952 3K32-B
100/6.3(6.3*5.4)-UQ
R1953 53K6-B
ANALOG AUDIO L DIGITAL AUDIO SUBWOOFER
4 5 6
7 8 9 10
C1101
22/50(5*11)-RFO
IC1101
R1103 1K-F
NJM2752V-TE1
14 1
OUTB OUTA
C1102 R1104 13 2
IN1B IN1A
22/50(5*11)-RFO
1K-F
12 3
GND V+
11 4
IN2B IN2A
10 5
CNT1 INPUT Vref CNT1
9 6
NC NC
L AUX1
8 7 C1104
NC NC
100/25(6.3*11)-RFO
H AUX2
R1906 C1908 R1907
100/16(6.3*5.3)-RV2
220 620
R1922
10K
C1916 R1916
680P-J 220
R1917
620
R1915 C1918
R1932
3K3
100/16(6.3*5.3)-RV2 10K
Q1905
R1963
RT1P141C 1K
C1922
0.47/50
Q1903
RT1P141C
R1965
470K
R1964
Q1904
10K
RT1N141C
R1986
220
C1990 R1989
100/16(6.3*5.3)-RV2
1K
R1993
10K
Q1908
R1967
RT1P141C
1K
C1923
0.47/50
Q1906
RT1P141C
R1968
470K
R1966
Q1907
10K RT1N141C
HP_DET
-9VA
+9VA
*SUSUMU Metal Film
R1946 D1941 R1947 R1948 D1942 R1949
LBAS16HT1G
1K5-D 12-D 12-D LBAS16HT1G 1K5-D
R1961 R1962
12-D 12-D
Q1942
Q1941
INA6006AC1
INC6006AC1
C1947
C1956 680P-J 47/25(8*12)-RFS#A
C1957
47/25(8*12)-RFS#A
R1955
Q1951
R1971 R1972 Q1952
3K3-D
INC6006AC1 12-D 12-D INA6006AC1
*SUSUMU Metal Film
R1956
1K5-D R1957 R1958 R1959
D1951 12-D 12-D D1952 1K5-D
LBAS16HT1G
LBAS16HT1G
*SUSUMU Metal Film
Q1917
R1970
RT1P141C 1K
C1924
0.47/50
Q1909
RT1P141C
R1973
470K
R1969
Q1910
10K
RT1N141C
7 8 9 10
54
11 12 13
C1106
10/50
JK1101
IN1_R
RCA-405B
R1110
1K
6
C1107 AUX1 L
10/50
4
IN1_L
R1111
1K
5
AUX1 R
IN2_L
C1108
10/50
R1112
1K 3
AUX2 L
1
C1109 R1113
10/50
1K
2
AUX2 R
IN2_R
7
R1908 R1921
300 0
R1923
10K
JK1901
JE030039AN
5
R1918 R1931 SUBWOOFER OUT
300 0
2
R1933
4
10K
PREOUT L
1
3
PREOUT R
6
R1990 R1992
1K 10
R1994
10K
CP1901
CP1901
20022WS-05C
*Vishay Melf
H/P_DET
R1926 R1929
DGND
33-F 33-F
FROM H/P B'D
H/P_L
H/P_GND
TO CN601
H/P_R
R1935 R1937
10K 10K
*Vishay Melf
R1927 R1928
33-F 33-F
R1934 R1936
10K 10K
11 12 13
14 15 16
A
C
D
G
H
M
SCHEMATIC DIAGRAMS (09/10)

SCH09_MAIN PREOUT

14 15 16
B
E
F
J
K
L