Harman Infinity M704a, Service Manual

Page: 13 / 25

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
PRE SCH
DWG NO:
PART NO:
PART NAME:
PRODUCT MODE:
Page Number:
UNIT: MM
SIZE: A3
REV:T1-01
DRAW BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
PLACE NO
DESCRIPTON
DATA
2/2
REV
ZJS
R39A
10K
C24A
47P
R41A
10K
R40A 10K
R42A
11K
C25A
333
R44A
12K
C26A
563
R43A
10K
4
5
6
VR3B
C100K
1
2
3
VR3A
C100K
FLAT_FL
LPF_FL
HPF_FL 2
3
1
8
4
U20A
4580
R46A
1K
FLAT_FR
LPF_FR
HPF_FR
R47A
0R
R45A
10K
C27A
NC
R48A
NC
3 2
1
4
SW3A
110103000062
7 6
5
8
SW3B
110103000062
9
10
11
12
SW3C
110103000062
Crossover 32Hz - 320Hz 12dB/oct
Crossover 32Hz - 320Hz 12dB/oct
R39B
10K
C24B
47P
R41B
10K
R40B 10K
R42B
11K
C25B
333
R44B
12K
C26B
563
R43B
10K
10
11
12
VR3D
C100K
7
8
9
VR3C
C100K
6
5
7
U20B
4580
R46B
10K
R47B
10K
R45B
10K
C27B
22P
3
2
1
U14A
4580
5
6
7
8
4
U14B
4580
3
2
1
U16A
4580
5
6
7
8
4
U16B
4580
3
2
1
U18A
4580
5
6
7
8
4
U18B
4580
R39C
10K
C24C
47P
R41C
10K
R40C 10K
R42C
11K
C25C
333
R44C
12K
C26C
563
R43C
10K
4
5
6
VR4B
C100K
1
2
3
VR4A
C100K
FLAT_RL
LPF_RL
HPF_RL 2
3
1
8
4
U21A
4580
R46C
1K
FLAT_RR
LPF_RR
HPF_RR
R47C
0R
R45C
10K
C27C
NC
R48C
NC
3 2
1
4
SW4A
110103000062
7 6
5
8
SW4B
110103000062
9
10
11
12
SW4C
110103000062
Crossover 32Hz - 320Hz 12dB/oct
Crossover 32Hz - 320Hz 12dB/oct
R39D
10K
C24D
47P
R41D
10K
R40D 10K
R42D
11K
C25D
333
R44D
12K
C26D
563
R43D
10K
10
11
12
VR4D
C100K
7
8
9
VR4C
C100K
6
5
7
U21B
4580
R46D
10K
R47D
10K
R45D
10K
C27D
22P
3
2
1
U15A
4580
5
6
7
8
4
U15B
4580
3
2
1
U17A
4580
5
6
7
8
4
U17B
4580
3
2
1
U19A
4580
5
6
7
8
4
U19B
4580
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
-15V
-15V
-15V
-15V
-15V
-15V
-15V
-15V
FL+SG
FR-SG
RL+SG
RR-SG
TP24
TP25
TP26
TP27
+
C30D
104
+15V
-15V
C31D
104
C32D
104
C33D
104
C34D
104
C35D
104
C36D
104
C37D
104
C38D
104
C28D
104
C29D
104
C40D
104
C39D
104
C41D
100uF/25V
C42D
100uF/25V
AGND
C43D
104
C44D
104
FL-EQ
FR-EQ
RL-EQ
RR-EQ
2
3
1
8
4
U22A
4580
AGND
+15V
-15V
FL-EQ
TP28
Q2
NF
PRE_MUTE
R52A
47K
C28A
22P
1 2
R50A
47K
R57A
4.7K
C30A
106/16V
R56A
220R
R55A
22K
C31A
100P
-
AGND
FR-EQ
R52B
47K
C28B
22P
1 2
R50B
47K
PRE_RO
6
5
7
U22B
4580
1 2
R51A
47K
RL-EQ
RR-EQ
1 2
R51B
47K
+
+
+
+
-
+
-
+
R49A
3.3K
RTA
PTC 300R
PRE_LO
R49B
3.3K
RTB
PTC 300R
R49C
3.3K
RTC
PTC 300R
R49D
3.3K
RTD
PTC 300R
M1 M2 M3 M4
ALL MARK
M5 M6
M7 M8
AGND
TP29
Q3
NF
R57B
4.7K
C30B
106/16V
R56B
220R
R55B
22K
C31B
100P
AGND
PRE_MUTE
2
3
1
8
4
U23A
4580
AGND
+15V
-15V
R54A
5.49K
C29A
22P
+
1 2
R53A
10K
-
AGND
R54B
5.49K
C29B
22P
6
5
7
U23B
4580
1 2
R53B
10K
FL-VR
FR-VR
RL-VR
RR-VR
FL+SG
FR-SG
RL+SG
RR-SG
FR-SG
FL+SG
RL-VR
FL-VR
HS-LO
RR-SG
RL+SG RR-VR
FR-VR
HS-RO
P1
AGND AGND
HS-RO HS-LO
-15V +15V
PRE_LO
PRE_RO
AGND
1
2
3
4
5
6
7
8
9
10
11
12
CN2A
CN2X6P2.5
P1
PRE_MUTE
PRE_MUTE
PRE_LO
PRE_RO
PGND
ADAS_DET
ADASMUTE
P12VA
ADAS_DET
ADASMUTE
P12VA
AGND AGND
1
2
3
4
5
6
13
8
9
10
11
12
7
14
CN1A
CN2X7P2.5
M9 M10 M11 M12
CB
104
MT1
M3 MT2
M3
AGND
CA
104
EGND
MT3
M3 MT4
M3 MT5
M3
CC
104
AGND
ZD1
1.8V
ZD2
1.8V
AGND PGND
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