Read Sony SRF-HM01V Service Manual online
19
SRF-HM01V
IC201
TA2123AF (EL)
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC1
TA2154FN- (EL)
1
2
3
4
27
26
25
5
FM/TV
MIX
30
29
28
AM
MIX
24
AM
OSC
1/2
FM
OSC
TV
OSC
6
7
8
9
10
AGC
23
22
21
20
1/8 OR
1/16
FM/AM/TV
PW SW
11
12
FM
DET
LEVEL
DET
AM
DET
19
SW
13
14
15
FM MPX
18
17
16
TV
RF
RF
FM
RF
BUFFER
BUFFER
BUFFER
IF
BUFFER
FM
IF
AM
IF
AF
TV RF IN
FM RF IN
RF GND
FM MIX
AM MIX
AGC
VCC
FM IF IN
GND
AM IF IN
QUAD
DET OUT
MPX IN
LPF1
R OUT
AM RF IN
RFVCC
AM OSC
TV RF OUT
FM RF OUT
AM BYPASS
TV FM OSC
OSC OUT
MODE2
MODE1
IF REQ
IF COUNT
LPF2B
LPF2A
L OUT
PRE A
PRE B
MIX
PW B
PW A
PW C
BST
MT TC
BASE
RF IN
PW GND
OUT B
OUT C
OUT A
VCC
RF OUT
VREF OUT
BST NF
BST OUT
PW IN C
LPF
EQ A
PW NF A
PW IN A
PW IN B
PW NF B
3
IN A-R
5
PRE NF-A
6
PRE OUT A
7
MTL DRV A
8
MTL DRV B
9
PRE OUT B
10
PRE NF-B
11
AMS IN
12
IN B-R
4
IN B-F
2
IN A-F
1
21
20
19
18
17
GND
16
AMS DET
15
AMS MIX
14
AMS SW
13
22
23
24
38
C-AMP SW 37
PW SW 42
MT SW 41
F/R SW 44
BST SW
43
M/N SW 46
PRE GND 47
VREF IN 48
PRE SW 45
AMS OUT 40
BEEP 39
26
27
28
29
30
31
32
33
34
DET
36
AGC IN
35
+
–
–
+
–
+
–
+
–
+
–
+
–
EQ B
25
RIPPLE
FILTER
AGC
DET
BEEP
VREF
SWITCH
COMPARATOR
MTL DRV
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