Infinity Reference 1600a Service Manual page 28

1
1600a Reference Series
D
C
Q17
B649
+12V.D
C80
104
CN7H
8
IN-OU
6 6 CN7F CN8H
CN8F IN-OU 8
IN-OU
R34 IN-OU
10K
C79
R149
R20 104
10K
B
47K Q32
R138 5401
2K R171 C81
11K 104
OVP
A
1
2
CN8G CN7G
IN-OU IN-OU
W2200/35V W2200/35V
P+12V
D38 D39
4148 4148
L1 L2
C109
D17
10R/100MHZ 10R/100MHZ
D40 C24
6A10
CN7E CN8E 4148 CN8B CN7B 222
IN-OU IN-OU D5 IN-OU IN-OU
IN4148
D41
4148
D36
D18
4148
UVP IN4148
D15 R155
IN4148 1K
Q19
R19 D37
A1023
47K IN4148
R132
R36 Q20
10K A1023
2.2K
R156
Q33
1K
5551
R102
D19
5.6K
IN4148
C84
104
TL494CN
U18 TL494
C151
C143
R35 C104
12K
102
C132
C82
R175 104
104 R46
15K
4.7K C117
104
R154
100K
CN7A CN8A
IN-OU IN-OU
2
3 4
F1A
25A POWER
2 1
2 1
F1B
4 3
4 3
25A CN3
6 5 3
6 5 3 PGND
F1C
2
25A
PREM 2
REM
W2200/35V 1
1
+12V
L6 C152
10MH/60A 474
C122
104
C110 C111 C112
W2200/35V
CN8D CN7D
IN-OU IN-OU
R159 R160 R161 R162
R167
100R 100R 100R 100R
22R/ 1/2W
R157
1
2.2K C125
103
Q21 Q22 Q23 Q24
IRF48N IRF48N IRF48N IRF48N
3
2
Q25 Q26 Q27 Q28
IRF48N IRF48N IRF48N IRF48N C126
4
103
R158
2.2K
R163 R164 R165 R166
100R 100R 100R 100R R168
22R/ 1/2W
Φ47
F1=F2=Φ1.0*8 4TS
CN7C CN8C S1=S2=Φ0.8*5 22TS
IN-OU IN-OU
S3=S4=Φ0.8*1 8TS
S3=S4=Φ0.8*1 6TS
10K/1W
R69
C119
104
27
3 4
5
D20
FR104 D23 CN6K
11
C150 *
471 D21
FR104
U13 L7812 +12V.BIAS
FR104
1 3 16
Vin Vout
CN5P
C128
R178 IN-OU
104
100R C76
C127
104
C116
470/35V
C129
104
D22 100/16V
FR104
COM D24
FR104
C27
D26 U15 L7812
104
FR104 1
Vin Vout
13
D27
C134
FR104
12 470U/35V
11 C149471
14
D28
R179 C133
FR104
100R 470U/35V
5 1
Vin Vout
L8
C26
T54 U14 L7912
10 104
D29
6 FR104 D25
FR104
D30
MUR1620C
7
8
C145 C147
4700U/80V 4700U/80V
1 2
+VCC
9 L11
C85
C139
30UH
104
104
R176
6.8K
D31
MUR1620C
MUR1620CT C86
CL102
C140
104/250V D32 104
104
R177
6.8K
L12
30UH
1 2
-VCC
C146 C148
4700U/80V 4700U/80V
D33
MUR1620CT
ECN NO DESCRIPTON APPROVED DATA
PART NAME:
PRODUCT MODE:
5
6
CN5Q
CN6L * IN-OU
R134 R135
2.2K 2.2K SD
Q29
SD
MMBT222
D6 C136
22U/25V
IN4148
R184
20K
CN6B *
+12V R66 +5V
3
330R 7 CN5G
IN-OU
C138
C29 DZ2
104
C131 C49
104 5.1V
47U/25V
100U/16V
C130
C50
100U/16V DZ3
C135
5.1V 47U/25V
C137
474
6
104
3
C28
-12V R67 -5V IN-OU
104
330R CN5F
* CN6A
DW GNO:
PART NO:
SCALE: 1:1 DRAWN BY: DATA:
POWER UNIT: MM CHECKED BY: DATA:
SIZE: A4 APPROVED BY: DATA:
infinity REF-1600
REV: 2.0 SHEET: 2/4
6
D
C
B
A