Harman Consumer Group AVR75/85, Technical Manual

Page: 95 / 204

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
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
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