Sch34_232C Phono - Denon AVR-X7200W Service Manual

1 2 3
A
K3901
2PIN-JACK(RCA-206BG-00-05)
C3902
D3901
OPEN
PHONOR OPEN
B
L3901
OPEN
OPEN
PHONOL R3901
L3902
OPEN D3902 C3903
OPEN OPEN
C3901
1000P
C
D
K3902 Q3901
2SA1036K
MINI-JACK(PJ-308-02(RD))
2
2
TRIGGER 3
3
OUT1
1
1
E
Q3902
K3903
2SA1036K
MINI-JACK(PJ-308-02(RD))
2
2
TRIGGER
3
3
OUT2
1
1
F
2
2
REMOTE
3
3
I N
1
1
K3904
MINI-JACK(PJ-308-02)
2
2
REMOTE 3
3 D3903 RB521S
G OUT
1
1
C3909 1000P
C3906 0.1
K3905
MINI-JACK(PJ-308-02)
1
6
2
7
3
RS232C
8
4
9
5
H
N3901
9P_D-SUB
U3903
JSR1165
VCC
3 C3939
OPT1
GND 2 0.1
J
OUT 1
C3940
1000P
VCC 3 C3938
OPT2
GND 2
0.1
OUT 1 C3941
U3904 1000P
JSR1165
K
COAX2
COAX1
L
M
GND LINE POWER+ LINE POWER- LINE AUDIO SIGNAL
1 2 3
4 5 6
R3903 C3914 R3917
R3904
0 10/63 47 U3902
390
R3926 C3927
NJM8080G
5 8 47 10/63
C3921
R3908
( 1 / 2 ) 7
100P
150K
C3907
6
C3919 R3930
R3912 C3931
5 4 220P
220/6. 3 470K
270 R3922 150K R3924 12K
R3906 47/25
68K
1 2 3 C3923 0.022 C3925 6800P
C3924 0.022 C3926 6800P
R3907
3 2 1
C3932
68K R3923 150K R3925 12K R3931
C3908 R3913 C3920
470K 47/25
270 220/6. 3
220P
4 5 R3909
2
150K
C3922
( 2 / 2 ) 1
100P
R3927 C3928
U3902
3 4
NJM8080G 47 10/63
R3905
R3902 C3915 R3918
390
0 10/63 47
L3903 BLM21PG221
R3914
1K
R3910
4.7K
Q3903
KRC102S
R3915
1K
R3911
4.7K
Q3904
KRC102S
8
9 ROUT2 RIN2
10 TIN 2 7
TOUT2
C3934 0.1
11 6
TIN 1 V -
0.1
R3932 33 C3933
12 C3936
ROUT1 C 2 - 5
R3928 1K
0.1
13 4
RIN1 C2+
R3929 1K
14
TOUT1 C 1 - 3
15 GND V+ 2 C3937
C3929 4.7u C3935 0. 1
16 1 0. 1
VCC C1+
C3930 0.1
U3901
Q3905 Q3906
KTC3875S KRA102S ILX3232D
D3912 RB521S
232TX
232RX
R3937
33
-
R3938
33
-
U3905 C3944 C3945
14
SN74AHCU04D VCC 0.1 1000P
GND
7
R3947 330K
R3941
OPEN R3945 47K
C3942 R3939 R3951
0.01 470 33
11 10 9 8
R3942 -
U3905 U3905 R3949
OPEN
SN74AHCU04D SN74AHCU04D OPEN
R3948 330K
R3943
OPEN R3946 47K
C3943 R3940 R3952
33
0.01 470
1 2 3 4
R3944 -
U3905 U3905 R3950
OPEN
OPEN
SN74AHCU04D SN74AHCU04D
5 6 13 12
U3905 U3905
SN74AHCU04D SN74AHCU04D
232C/PHONO_UNIT
TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO
4 5 6
7 8 9 10
A+7V
N3902
7P-SOCKET(C125Z2)
N3902
TO N9017
1 A+7V
2 A-7 V
3 PREGND
PHONOL
4
PHONOL
PREGND
5 PREGND
PHONOR
6 PHONOR
7
PREGND
A-7V
N3903
TO N1807
19P-FFC
N3903
TRIG12V
TRIG12V
1
.TRIG1
2 TRIG1
.TRIG2
3 TRIG2
DGND.
4 DGN D
M3.3V
5 M3.3V
. B / P _ I R I N
6 B/P_IRIN
DGND.
7 DGN D
232C_RX
8 232C_Rx
232C_TX
9 232C_Tx
DGND.
10 DGN D
REMOTE3.3V
11 REMOTE3.3V
DGND.
12 DGN D
OPT1
13 OPT1
OPT2
14 OPT2
DGND.
15 DGN D
COAX1
16 COAX2
COAX2
17 COAX1
DA3.3V
18 DA3.3V
19 VS100_IRTX
8 U - 1 1 0 1 5 7 - 7
7 8 9 10
183
11 12 13 14
SCHEMATIC DIAGRAMS (34/37)

SCH34_232C PHONO

11 12 13 14
15 16
A
B
C
D
E
F
G
H
J
K
L
M
15 16