Read Harman Kardon AVR 85 (serv.man3) Service Manual online
6 7
Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85
INTEGRATED CIRCUIT DIAGRAMS 7
Control
Control
Control
Level Shift
Level Shift
Level Shift
Shift Register
Shift Register
Shift Register
Latch
Latch
Latch
L1
L1
L1
L2
L2
L2
L3
L3
L3
LCOM1
LCOM1
LCOM1
L4
L4
L4
L5
L5
L5
L6
L6
L6
LCOM2
LCOM2
LCOM2
L7
L7
L7
L8
L8
LCOM3
LCOM3
LCOM4
LCOM3
VDD
VDD
VDD
VSS
VSS
VSS
VEE
VEE
VEE
RES
RES
RES
S
S
S
R1
R1
R1
R2
R2
R2
R3
R3
R3
RCOM1
RCOM1
RCOM1
R4
R4
R4
R5
R5
R5
R6
R6
R6
RCOM2
RCOM2
RCOM2
R7
R7
R7
R8
R8
RCOM3
RCOM3
RCOM4
RCOM3
DI
DI
DI
CL
CL
CL
CE
CE
CE
QS57 - LC78212 ANALOG SWITCH
Q512 - LC78213 ANALOG SWITCH
Q511, Q556 - LC78211 ANALOG SWITCH
VDD
GND
S40
OFF
S41
S10
S42
S11
S34
C12
S32
S20
S31
S21
S30
VSS
16
1
15
2
14
3
13
4
12
5
11
6
10
7
9
8
SW1
SW4
SW4
SW4
SW3
SW3
SW3
SW2
QY12 - TC9215 ANALOG SWITCH
QE04, 05, 06, QG04-07, QG57 - TC9213P
ELECTRIC VOLUME CONTROL
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OUT1
IN1
A-GND
OUT2
IN2
STB
DATA
IN1
A-GND
OUT2
IN2
STB
DATA
OUT1
IN1
A-GND
OUT2
IN2
GND
CK
VDD
VSS
(TOP VIEW)
TC9213P
Left
Channel
Right
Channel
1
1
2
2
3
3
1
2
3
COMMON
INPUT
OUTPUT
1
2
3
INPUT
COMMON
OUTPUT
-5, -15V REGULATORS
Q802 - NJM7915
Q804 - NJM7905
+5, +15V REGULATORS
Q801 - NJM7815
Q803 - NJM7805
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