Read Harman Kardon AVR 85 (serv.man3) Service Manual online
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Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85
INTEGRATED CIRCUIT DIAGRAMS 10
3
2
4
1
5
6
7
8
9
13
15
16
12
11 10 14
R27
R28
R1
R15
C7
C8
C1
C2
R4
R17
TR4
TR14
TR1
TR11
TR2
TR12
R3
TR3
TR13
R2
R16
D1
R25
R26
TR6
TR16
R7
R20
R11
R24
TR10
TR20
R9
R22
TR8
TR18
C4
C6
D2
D3
R5
R18
R6
R19
TR5
TR15
C3
C5
TR9
TR19
R10
R23
R8
R21
TR7
TR17
QP01 - STK401
STEREO POWER AMP
QX63 - NJM2267D VIDEO AMP
QL03, QL55-57 - MC14576S, MC14577A
VIDEO AMP
Q603 - HM62H256AJ-15T 32Kx8
HIGH SPEED CMOS STATIC RAM
5
7
4
8
1
6
3
2
6.2dB
Amp
6.2dB
Amp
75
Driver
W
75
Driver
W
Clamp
Clamp
2.07K
W
2.07K
W
2.2K
W
2.2K
W
750
W
750
W
V
2
OUT
V+
V
1
OUT
V 2
IN
V 1
IN
V
2
SAG
V
1
SAG
GND
A0
A0
A14
VO1
V08
CS
OE
WE
A8
A12
A3
VCC
GND
GND
Ag
A2
A11
COLUMN
DECODER
COLUMN I/O
ROW
DECODER
INPUT
DATA
CIRCUIT
CONTROL
CIRCUIT
256x256
MEMORY
ARRAY
1
2
3
4
8
7
6
5
B OUTPUT
A OUTPUT
B -INPUT
A -INPUT
VSS
VDD
500
500
500
500
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