Read Harman Kardon HK 3770 (serv.man8) Service Manual online
HK37_MAIN_MP_CUP12609Z-A_131205.sch-3 - Mon Dec 09 11:48:17 2013
7
6
5
4
3
2
1
REVISION
SCHEMATIC DIAGRAM
SHEET
MODEL
DRAWING NO
DESIGN
CHECK
APPROVE
A
D
C
6
A
B
C
D
5
4
3
2
1
B
(JACK)
2
27
2
2
MULTI. LAB
ANAM
ISSUE
COAX1
OPT1
OPT2
TRIGGER
IR_IN
*IR IN/OUT & TRIGGER
* OPT & COAX ( Only HK3770 )
COAX1
OPT1
OPT2
IR_OUT
HK3770 ONLY
+12V
TRIGGER OUT
+3V3
REMOTE OUT
ST+5V
DGND
COAXIAL IN
DGND
TRIGGER OUT
+3V3
REMOTE OUT
ST+5V
DGND
COAXIAL IN
DGND
DGND
OPTICAL 1 IN
OPTICAL 2 IN
HK3700/3770
MP
20013.12.03
C601
180P
R600
75
RX
VCC
GND
OUT
32
1
JK62
RX
VCC
GND
OUT
32
1
JK61
R601
10K
R602
10K
Q604
RT1P144C
R620
47K
R618
220
R621
10K
Q602
RT1P141C
C619
0.01uF
R617
1K
R615
4.7
R614
4.7
Q601
KTA1266YT
D362
1SS355
D361
1SS355
Q603
RT1N141C
R363
10K
R613
10K
C618 0.01uF
R611
1.0
R610
1.0
D363
1SS355
4
3
21
IC601
KP1010B
R616
0
JK60
C602
0.1uF/50V
C603
0.1uF/50V
1
2
3
JK63
1
2
3
JK64
C600
0.1uF/50V
C605
0.1uF/50V
C610
0.1uF/50V
C615
0.1uF/50V
D600
CVD1SS355T
D601
CVD1SS355T
1
2
3
JK65
D365
1SS355
R619
47
11
10
9
8
7
6
5
4
3
2
1
CN60
C604
100/25V
+3V3
ST+5V
REMOTE_OUT
TRIGGER
+3V3
REMOTE_OUT
TRIGGER
+12V1
ST+5V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+12V1
DGND
DGND
DGND
+3V3
DGND
DGND
Harman Kardon
HK 3770 Service Manual
Page 120 of 120
