Harman Kardon HK 980/230 - Fuse and Power Input Schematic; IR Interface Circuit Diagram

1
2
3
CN8
3P(2.0)
1
3
6
4
T1
EI-28
+
AC2
-
AC1
BL1
DB1 01G
R8
3.3M2W
R9
4. 7M2W
C16
0. 1U/27 5VAC(X2)
C17
0.1U/270VAC(X2)
C1 8
JY103M(X1/400V.Y2/300V)
1
2
3
4
RAY 1
KI-S-112M
R2
5D -13
D2
IN4148
R10
FR 1/0.25W
R11
68/0 .25 W
Q1
C2120
R4
4K7
R3
10k
D3
IN4148
C22
100U 10V
C21
470U 25V
C10
104
1
2
3
CN9
3P(2 .0)
L6
10uH
L4
10uH
L5
10uH
1
2 3
4
IC3
LTV81 7A
R7
47K
R5
47
R6
47
R13
270
R14
75
R12
22k
R15
3K 9
C4
100U 10V
C25
680P
C24
NC
C23
NC
C26
47U1 0V
KL-YL-03
TO MCU BOARD
TO Tran sformer
AC IN
TO MCU BOARD
- +
LED5
1L0445W31B0CG201
- +
LED4
1L0445W31B0CG201
- +
LED3
1L0445W31B0CG201
- +
LED2
1L0445W31B0CG201
1 2 3
RV1
R122ECA-D1-19.5F-24-W
C9
104
C19
333
C20
333
1
2
3
JK1
CKX3.5-12A
1
2
3
JK2
CKX3.5-12A
4046-1585-0000(230V)
1
2
CN3
2P( 2.0)
TO DISPLAY BOARD
TO DISPLAY BOARD
LED
VOL-A
VOL-B
GND
GND
LED BOARD
VOL BOARD
FUSE BOARD
IR IN/OUT BOARD
L3
TC2006-6R8M-H
MCU+5V1
REM
DGND1
AC I2
AC I1
AC I2 F
AC O2
AC O1
1
2
CN5
2P7 .92
1
2
CN6
2P7 .92
1
2
CN7
2P7 .92
1
2
3
CN11
3P( 2.0)
TO MAIN BRD
Ear Phones board
1
2
3
4
CN12
4P( 2.5)
C28
103
C29
103
C30
104
PH-R
PH-L
GND
P/N:0077-1171-0000
P/N:0077-1101-0000
P/N:0077-1031-0000
P/N:0077-1021-0000
P/N:0077-1191-0000
1
2
4
5 K
3
7
8 K
JK3
CK-6.35-02
R
L
Q4
A104 8
R18
22k
R27
150R1 /8W
R28
150R1 /8W
R29
150R1 /8W
R30
150R1 /8W
harman/kardon
HK 980/230 Service Manual
Page 35 of 50