Infinity 475a, Service Manual

Page: 28 / 28

1 2 3 4 5 6 7 8
A
B
C
D
8 7 6 5 4 3 2 1
D
C
B
A
+
1
-
2
FED
3
DT
4
C
5
R
6
GND
7
OP
1
8
+
16
-
15
REF
14
CON
13
VCC
12
OP
2
11
E2
10
E1
9
TL494CN U1 TL494
R27
11K
R9
18K
C26
102/M
C27
100/25V
Q10
A1015
R53
15K
C3
1U/50V
C29
222/M
C13
CL474
C12
CL474
R46
100/1W
C31
1000U/50V
C32
1000U/50V
D7
6A4
1
2
3
CN1
PRO
R40
100
R38
100
R41
100
R39
100
Q9
A1015
Q8
A1015
R30
1K
R31
1K
R28
1K
R29
1K
C10
1U
C19
W
2200U/35V
PGND
REM
+12V
C14 CC104
R50
10K
C39
104
R49
4K7/4W
R61
100/5W
R60
100/5W
C4
47U/25V
C5
47U/25V
MUTE
Q3
C1815
R17
220R
C25
104
C21
W
2200U/35V
Q2
C1815
R10
30K
R11
4.7K
R13
3K
C2
10/25V
Q6
B649
C1
47/25V
R1
10K
R8
18K
R26
1K
R4
100K
R24
12K
RT1
95
ć
R23
10K
R12
100K
C22
220/16V
R18
22K
R5
6K8
R3
330K
R51
6K8
C11
681
Q7
C1815
R15
1K
R16
100R
+12
R54
10K
C40
NP220U/25V
CH3OUT
CH4OUT
Q4
C1815
Q5
C1815
R19
22R/1W
C6
103/M
+V1
-V1
+VCC
+VCC
+V1
-VCC
-VCC
D10
U1620
D12
U1620R
Q13
IRF48N
Q15
IRF48N
Q14
IRF48N
Q16
IRF48N
R20
22R/1W
C7
103/M
C17
W
2200U/35V
CH2OUT
CH1OUT
3 1
2
U2
7815
3 1
2
U3
7915
C42
470U/35V
C41
470U/35V
C47
CL104
C48
CL104
C49
CC104
C50
CC104
C51
CC104
C43
220U/16V
C45
220U/16V
C44
220U/16V
C46
220U/16V
C52
CC104
C54
CC104
C53
CC104
V+
V-
H+
H-
Q1
C1815
R7
18K
MUTE
1
2
3
4
CN2
1
2
3
4
CN3
+12
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE: A4
REV: LPP DRAWN BY:
CHECKED BY:
APPROVED BY: DATA:
DATA:
DATA:
POWER
infinity REF-475
Q20
IRF48N
Q21
IRF48N
R64
100
R42
100
R6
10K
C8
CC104
Q12
C1815
R21
10K
Q11
C1815
R35
22K
C15
47U/16V
R22
10K
R34
10K
Q17
C1815
Q18
A1015
R36
4K7
C16
22U/16V
R37
4K7
C18
100U/16V
R43
22R
C9
CC104
Q19
A1015
R44
1K
R45
33K
R48
20K
R47
3K3
-V1
2
4
9
8
6
1
3
7
10
5
8
T1
6:14:18
C58
4700U/50V
C59
4700U/50V
D5 FR204
D6 FR204
D8
FR204
D9
FR204
C38
1000U/50V
C55
1000U/50V
C56
CL104
C57
CL104
VH+
VH-
F1A
35A
F1B
35A
C60
W
2200U/35V
R62
4K70.25W
R63
4K7/0.25W
R65
33K
+12
SPEAKER OUT
SPEAKER OUT
ECN NO
DESCRIPTON
DATA APPROVED
TAN.SHI.CHUAN 2007.01.16
C20
47/16V
D11
4148
D1
4148
D13
4148
D2
4148
D3
4148
D4
4148
D15
4148
D19
4148
D18
4148
D16
4148
D17
4148
C28
1U
C30
220U/25V
1 2
L6A
10UH
3 4
L6B
10UH
3 4
L5B
100UH
1 2
L5A
100UH
C33
1000U/50V
C34
1000U/50V
C35
104
C36
104
ZD3
8V2
ZD1
5V1
ZD2
3V9
R73
10K
Q31
C1815
+12V
+12
R71
2K
U5
P817
R70
220R
U4
P817
R2
2K
+12V
RJ45GND
RJ45REM
DIAGNOSTIC
RJ45GND
R75
470R 1W
R76
470R 1W
2C
CL474
1C
CL474
3C
CL104
4C
CL104
DC
1
2
3
4
5
CN5
CON5
PRO1
PRO1
PR
O
+12
D20
4148
C23
104
C24
104
R25
100k
R14
7K5
47
F1=F2=1.0*6*6TS
S1=S2=0.8*6*14TS
S3=S4=1.2*1*18TS
R33
100K
R52
100K
R55
100K
R56
100K
C37
100U
R32
7K5
D21
4148
Q23
C1815
Q22
S8050
1 2
L1
5UH
1
2
L2
5UH
R58
470R 1W
R57
470R 1W
D14
1K
1
2
3
4
5
CN5
CON5
LED100
power
LED300
prol
LED4
blue
LED3
blue
LED2
blue
LED1
blue
R1
1K 1/2W
R2
1K 1/2W
LED8
blue
LED7
blue
LED6
blue
LED5
blue
C1
104
C2
104
LED BOARD
475a Reference Series
27