Sch26_Rs232C & Trigger - Marantz SR7010 Service Manual

1 2 3
A
B
RS232C/TRIGGER
C
D
E
F
G
5J
H
REMOTE3.3V
DGND
232O_MI
232I_MO
TRIGGER_1
TRIGGER_2
TRG+12V
DGND
("TRG_GND->DGND" For EMI)
TO J5
J RC_IN
FLASHER_IN_MZ
M3.3V
B/P_IRIN_DE
K
L
M
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO
1 2 3
4 5 6 7
IC521
C5237 C5236
ILX3232D
0.1uF 10/50V
C5231 C5235
VCC
0.1uF
0.1uF C1+
GND DGND
D5231
OPEN
V+
T1_O R5234
TP
C1- 1K
RS-232C
R1_I R5233 TP
1K
C2+
C5233 R1_O
D5232 OPEN
0.1uF C2- JK521
C5234 T1_I
D227FD009S100BY/YUQIU
DGND
0.1uF V-
T2_I R5232
T2_O 1K
R5231 R2_O
1K R2_I
Q5221 JK522
TRIGGER
2SA2166
R5223
TP
TRG2_OUT
OUT2
0
4.7k --> 1k
Q5222
CVTRT1N141C
Q5211 JK523
2SA2166 TRIGGER
R5224
TP
TRG1_OUT
0
OUT1
4.7k --> 1k
Q5212
CVTRT1N141C
# TRIGGER JACK OPTION
SR7010
AV7702MK2
DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO
4 5 6 7
8 9 10
IR / FLASHER
OPEN
3
TP Q5251
2
RT1P141C
1
PJ-308-02
"F" OPTION
Q5252
2SC3052
3
TP
2
C5254
1
OPEN
PJ-308-02
C5255
OPEN
"G" OPTION
C5256
0.1uF
D5256 R5258
KDS160RTKP
100
R5256
RC521
1K C5257
R5257
HM336R
0.1uF
1K
TP C5258
OPEN
C5259
OPEN
"H" OPTION
# Model Options
SR7010/AV7702MK2
F
OPEN
G PJ-308-02
H MOUNT
<ANAM PN# / MFG PN# / Color>
JK522 (TRGOUT2) JK523(TRGOUT1)
CJJ2D008Z / PJ-308-02 / BLK CJJ2D008Z / PJ-308-02 / BLK
STBY POWER
8 9 10
163
11 12 13
R5255
100
Q5253
RT1P441C
Q5254
OPEN
SCHEMATIC DIAGRAMS (26/39)
SCH26_RS232C & TRIGGER
11 12 13
14 15 16
A
B
C
D
E
F
G
H
J
K
L
M
14 15 16