Opt & Coax ( Only Hk3770 ); Ir In/Out & Trigger - Harman Kardon HK 3700 Service Manual

HK37_MAIN_MP_CUP12609Z-A_131205.sch-3 - Mon Dec 09 11:48:17 2013
Harman Kardon
6
D
* OPT & COAX ( Only HK3770 )
COAX1
OUT
GND
OPT1
VCC
OUT
GND
OPT2
VCC
DGND
HK3770 ONLY
C
*IR IN/OUT & TRIGGER
3
TRIGGER 2
1
B
DGND
DGND
3
2
IR_IN
1
3
2
IR_OUT
1
A
5
TRIGGER
+3V3
REMOTE_OUT
COAX1
OPT1
OPT2
DGND
+12V1
+3V3
Q601
R610
KTA1266YT
1.0
R611
D361 D362
1.0 Q602
RT1P141C
1SS355 1SS355
TRIGGER
DGND
DGND R617
Q603
1K
RT1N141C
C600
0.1uF/50V DGND
DGND
C605 D363
0.1uF/50V
1SS355
C610 0.1uF/50V
C615 0.1uF/50V
ST+5V
DGND DGND
D600
DGND
CVD1SS355T
R621
D601
10K
DGND
CVD1SS355T
IC601
KP1010B
R618 Q604
REMOTE_OUT
RT1P144C
220
DGND
D365
R619
47 1SS355
DGND
4 3
+12V1
+3V3
ST+5V
DGND
2
+12V
TRIGGER OUT
+3V3
REMOTE OUT
ST+5V
DGND
COAXIAL IN
DGND
OPTICAL 1 IN
DGND
OPTICAL 2 IN
REVISION 2
1 3
SCHEMATIC DIAGRAM
MP
HK3700/3770
MODEL
ISSUE
ANAM
DESIGN CHECK APPROVE
MULTI. LAB
20013.12.03
HK 3770 Service Manual
1
D
C
B
4 6
5 7
A
SHEET
2
27
DRAWING NO
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