Read Harman Kardon AVR 85 (serv.man3) Service Manual online
7 1
Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85
INTEGRATED CIRCUIT DIAGRAMS 11
6
4
3
2
1
24
23
22 21
20
19
14
13
12
11
10
9
8
5
7
7
BPF
LPF
LPF
LPF
LPF
LEVEL
-DET
LEVEL-DET
CLOCK
RECOVERY
D-PLL
LPF
DIV
VCO
AGC
IN
PUT
LPF
BPF
LOGIC
LOGIC
ARI-DK DET
VCC
BI-PHASE DEMOD.
DFF
DFF
E-OR
DIFF. DECODE
AND
SK-ID
DK-ID
SK-ADJ.
RDS-ID
DATA
CLK
18
17
16
15
15
QD02, 32, 52, QM08 -
4560M OP-AMP
Q301, QE01-03, QC01-10, QE07-12, QC12, QL91, QS01-03,
QW01, QS13, QS51-54, QF02, 03, QG55, 56 NJM4558DD - OP-AMP
NJM
QM04 - MC14577C
VIDEO AMP
Q609 - TCW125FU
DUAL BUS BUFFER
QK02, QK03 - NJM2115M
OP-AMP
QW01 - NJM2115M
DUAL OP-AMP
V+
B OUTPUT
B -INPUT
B +INPUT
V-
A +INPUT
A -INPUT
A OUTPUT
A
B
1
5
2
6
3
7
8
4
1
1
1
2
2
2
3
3
3
4
4
4
8
8
8
7
7
7
6
6
6
5
5
5
A
A
B
B
-
-
-
-
+
+
+
+
B OUTPUT
B OUTPUT
A OUTPUT
A OUTPUT
B -INPUT
B -INPUT
A -INPUT
A -INPUT
B +INPUT
A +INPUT
V
-
VSS
V
+
VDD
V+
V+
B OUTPUT
B OUTPUT
B -INPUT
B -INPUT
B +INPUT
B +INPUT
V-
V-
A +INPUT
A +INPUT
A -INPUT
A -INPUT
A OUTPUT
A OUTPUT
A
A
B
B
8
8
1
1
7
7
2
2
6
6
3
3
5
5
4
4
Q901 - LA2232 RDS MODULATOR
VCC G2
Y1
A2
G1
A1
Y2
GND
Click on the first or last page to see other AVR 85 (serv.man3) service manuals if exist.