DOWNLOAD Harman Kardon AVR 3550 Service Manual ↓ Size: 2.86 MB | Pages: 63 in PDF or view online for FREE

Model
AVR 3550
Pages
63
Size
2.86 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
avr-3550.pdf
Date
PREV: Harman Kardon AVR 355 (serv.man7) Service Manual

Harman Kardon AVR 3550 Service Manual ▷ View online

LEVEL SHIFTER
2
1
2
1
3
4
2
5
6
3
7
4
1
2
1
3
4
2
5
6
3
7
4
1
3
4
5
6
7
8
9
10
14
28
11
12
13
27
26
25
24
23
22
21
20
19
18
17
16
15
LATCH CIRCUIT   
SHIFT  REGISTER   
LEVEL SHIFTER
LATCH CIRCUIT   
L-S
R-S
Vss
GND
VDD
L-S
L-COM
L-S
L-S
L-COM
L-S
L-S
L-COM
L-S
L-COM
ST
R-S
R-COM
R-S
R-S
R-COM
R-S
R-S
R-COM
R-S
R-COM
DATA
CK
LEVEL SHIFTER
2
1
2
1
3
4
2
5
6
3
7
4
1
2
1
3
4
2
5
6
3
7
4
1
3
4
5
6
7
8
9
10
14
28
11
12
13
27
26
25
24
23
22
21
20
19
18
17
16
15
LATCH CIRCUIT   
SHIFT  REGISTER   
LEVEL SHIFTER
LATCH CIRCUIT   
L-S
R-S
Vss
GND
VDD
L-S
L-COM
L-S
L-S
L-COM
L-S
L-S
L-COM
L-S
L-COM
ST
R-S
R-COM
R-S
R-S
R-COM
R-S
R-S
R-COM
R-S
R-COM
DATA
CK
TC9162AF (FUNCTION/INPUT : IC30)
BLOCK DIAGRAM
TC9162AF (FUNCTION/INPUT : IC30)
BLOCK DIAGRAM
GND  1
TC9215AF
OFF  2
3
S10
S11
S12
S20
S21
S41
S40
S42
S34
S32
S31
S30 
Vss
DD
4
5
6
7
16  V
15
14
13
12
11
10
8
9
TC9215AF (TONE CONTROL : IC80)
BLOCK DIAGRAM
LEVEL SHIFTER
2
1
2
3
4
1
5
6
2
7
8
3
1
2
3
4
1
5
6
2
7
8
3
1
3
4
5
6
7
8
9
10
14
28
11
12
13
27
26
25
24
23
22
21
20
19
18
17
16
15
LATCH CIRCUIT   
SHIFT  REGISTER   
LEVEL SHIFTER
LATCH CIRCUIT   
L-S
R-S
Vss
GND
VDD
L-S
L-S
L-S
L-COM
L-S
L-S
L-COM
L-S
L-S
L-COM
ST
R-S
R-S
R-S
R-COM
R-S
R-S
R-COM
R-S
R-S
R-COM
DATA
CK
LEVEL SHIFTER
2
1
2
3
1
4
5
6
2
7
8
3
1
2
3
1
4
5
6
2
7
8
3
1
3
4
5
6
7
8
9
10
14
28
11
12
13
27
26
25
24
23
22
21
20
19
18
17
16
15
LATCH CIRCUIT   
SHIFT  REGISTER   
LEVEL SHIFTER
LATCH CIRCUIT   
L-S R-S
Vss
GND
VDD
L-S
      L-S
 L-COM
L-S
L-S
L-S
L-COM
L-S
L-S
L-COM
ST
R-S
R-S
R-COM
R-S
R-S
R-S
R-COM
R-S
R-S
R-COM
DATA
CK
TC9164AF (FUNCTION/INPUT) : IC22
BLOCK DIAGRAM
TC9163AF (FUNCTION/INPUT) : IC20
BLOCK DIAGRAM
1dB
VR
latch
8dB
VR
latch
1dB
VR
latch
8dB
VR
latch
3 to 7
decoder
4 to 13
decoder
1dB
VR
latch
Shift register (32BIT)
Strobe generate
circuit
Level shift circuit
8dB
VR
latch
2
3
L-OUTA
NC
VSS
VDD
TEST
L-INA
4
5
L-A-GNDA
L-OUTB
6
L-INB
7
8
L-A-GNDB
L-OUTC
9
L-INC 10
12
CS1
GND 13
CK 14
L-A-GNDC 11
3
L-OUTA
L-INA
4
5
L-A-GNDA
L-OUTB
Same as L-ch
Circuit
6
L-INB
7
8
L-A-GNDB
L-OUTC
9
L-INC
10
12
CS1
GND
13
CK
14
L-A-GNDC
11
1
28
27
TC9482F (ELECTRONIC VOLUME/INPUT) : IC31
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