A.audio/Video Unit (7/7) - Denon AVR-4520CI Service Manual

1 2
GND POWER + POWER -
3 4
C3901 0.1
F3901
T3.15A_250V
N3901
5P-EHs
A_AC
1
2
TO TRANS
AGND
3
4
A_AC
5
Z3710
F3902
STYLE-PIN
T3.15A_250V
Q3905
2SA1036K
2
2
R3907
TRIGGER
3
3 1K
OUT1
1
1
K3901 R3908
4.7K
MINI-JACK(PJ-308-02(RD))
Q3906
KRC102S
Q3907
2SA1036K
2
2
R3909
TRIGGER
3
1K
OUT2 3
1
1
K3902 R3910
4.7K
MINI-JACK(PJ-308-02(RD))
Q3908
KRC102S
2
2
REMOTE
3
3
IN
1
1
K3903
MINI-JACK(PJ-308-02)
2
2
REMOTE
3
D3915 RB521S
OUT 3
1
C3921 1000P
1
K3904
C3922 0.1
MINI-JACK(PJ-308-02)
Q3909
KTC3875S
1
6
232TX
2
7
3
RS232C
8
4
9
5
K3905
9P-DSUB-CONN
B3903
M3-SIDE
STBY POWER
5
A+7V
Q3903
KTD998
1N4003 1100mA
D3901
D3902 1N4003
D3903 1N4003
D3904
1N4003 R3905
R3903
1K 1K
Q3901
KTC3875S
C3909
D3909
470/25
UDZS8.2B
D3910
UDZS8.2B
C3910
470/25
Q3902
D3905 KTA1504S
1N4003
R3904 R3906
1K
D3906 1N4003 1K
D3907 1N4003
D3908 1N4003
1000mA Q3904
KTB778
8U-210119-5
A-7V
AUDIO_REG_UNIT
L3901 BLM21PG221
9 ROUT2
RIN2
10
TIN2
TOUT2
11
TIN1
R8062 33
12
ROUT1 C2-
R767 1K
232RX
13
RIN1 C2+
232TX R768 1K
14
TOUT1 C1-
15
GND
C837 4.7u
16
VCC C1+
C838 0.1
U66
ILX3232D
Q3910
KRA102S
8U-210119-6
232C_UNIT
158
6 7
N3902
N3902
3P-PHs
TO N3009
3
2
1
To_8U-210119-1_(N3009)
A.AUDIO/VIDEO_UNIT(1/4)
N3903
N3903
11P-FFC
1 TRIG12V
.TRIG1
2 TRIG1
.TRIG2
3 TRIG2
4 DGND
5 NC
. B/P_IRIN
6 B/P_IRIN
7 DGND
2 32C_RX
8 232C_Rx
232C_TX
9 232C_Tx
10 DGND
11 REMOTE3.3V
To_8U-310116_(N1807)
DIGITAL_UNIT(11/14)
8
7
0. 1
C840
6
V-
C839 0.1
C842
5
0.1
4
3
2
V+ C843
C841 0.1
1 0.1
SCHEMATIC DIAGRAMS (13/36)

A.AUDIO/VIDEO UNIT (7/7)

8
A
B
C
D
E
F