Marantz AV7701, Service Manual

Page: 147 / 266

147
TP
TP
TP
TP
TP
TP
TP
RS232C/TRIGGER
C1+
V+
C1-
C2+
C2-
V-
T2_O
R2_I
R2_O
T2_I
T1_I
R1_O
R1_I
T1_O
GND
VCC
RS-232C
FR
OM
/TO
R
C-
5/M
X-
PO
RT
PA
RT
(P
AG
E 11_
B2
)
GND
VO
VC
NC
VIN
GND
VIN
NC
VO
VC
OPEN
IR / FLASHER
RE
MO
TE
IN
OUT1
TRIGGER
TRIGGER
OUT2
PJ-308-02 / BLK
BK501
OPEN
BK502
OPEN
PJ-308-02 / BLK
C5231
0.1uF
C5233
0.1uF
C5234
0.1uF
R5231
1K
C523
2
OP
EN
C5237
0.1uF
C5235
0.1uF
C5236
10/50V
R5232
1K
R5234
1K
R5233
1K
C523
8
33
P
C523
9
33
P
D5231 OPEN
D5232 OPEN
C522
1
10
/50
V
C522
2
10
/50
V
C522
3
0.1
uF
D522
2
16
V
C521
1
10
/50
V
C521
2
10
/50
V
C521
3
0.1
uF
D521
2
16
V
16
15
14
13
12
11
10
9 8
7
6
5
4
3
2
1
IC521
ILX3232D
Specific IC
1
2
3
4
5
IC523
PQ120DNA1ZPH
Specific IC
1
2
3
4
5
IC522
PQ120DNA1ZPH
1
6
2
7
3
8
4
9
5 JK521
D227FD009S100BY/YUQIU
D5221
KDS160RTKP
D5211
KDS160RTKP
1
2
3
JK
52
5
PJ-308-02
1
2
3
JK
52
6
PJ-308-02
D525
2
1SS
355
T
C525
1
1000
P
D525
3
OP
EN
R525
1
1K
C525
2
0.1
uF
C525
3
1000
P
D5256
KDS160RTKP
D525
7
SIR
34
ST
3F
R5256
1K
R5257
1K
C5257
0.1uF
C5258
OPEN
C5259
OPEN
R5258
100
C5254
OPEN
C5255
OPEN
C5256
0.1uF
R5255
100
R525
2
3.3
K
R525
3
2.2
K
R525
4
100
K
3
2
1
Vc
c
GN
D
VO
UT
RC521
R94EV1A
R525
9
OP
EN
D525
8
OP
EN
D525
1
RB
521
S-
30
D525
4
RB
521
S-
30
Q5254
OPEN
Q5251
RT1P141C
Q5253
RT1P441C
Q5252
2SC3052
JK522
JK523
C5224
0.1uF
C5214
0.1uF
DGND
DGND
REMOTE3.3V
DGND
232O_MI
232I_MO
TRIGGER_1
TRIGGER_2
TRG+15V
TRG_GND
M3.3V
RC_IN
FLASHER_IN_MZ
B/P_IRIN_DE
TRG2_OUT
TRG1_OUT
STBY POWER GND POWER + POWER -
8 7 6 5 4 3 2 1
A
B
C
D
E
F
L
TO
K
SCHEMATIC DIAGRAMS (10/31)
VIDEO UNIT (3/3)