19
SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7
• IC Block Diagram
IC601 TDA7570 (AMP BOARD)
33
32 31 30 29 28 27
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
26 25 24 23 22 21
OSC
I-O-FCLK
O0-15
THWINT
THWEXT
NTC
5VDIG
+VS-LOW
IN_L-
IN_L+
IN_R+
IN_R-
-2.5V
GPLS
-VS+5
GPL
DGND
CD
CDSEL1
FEEDLIN
-VS2
CDSEL2
-VS1
-VS+VREFL
SNL2
GNLS
GNL
SNL1
SGND
+2.5V
ST-BY
FEEDRIN
-VS3
MUTE
-VS4
-VS+VREFR
SNR2
GNRS
GNR
SNR1
SPL2
PGND
SPL1
+VS
SPR1
SPR2
+VS-5
GPRS
+VS-VREF1
GPR
TERM.
LEFT
CHANNEL
SIGNAL
PROCESSING
INTERFACE
CHANNEL LEFT LSD +
PROTECTIONS
CHANNEL LEFT HSD +
PROTECTIONS
CHANNEL RIGHT HSD +
PROTECTIONS
CHANNEL RIGHT LSD +
PROTECTIONS
INTERFACE
RIGHT
CHANNEL
SIGNAL
PROCESSING
REF
54 55 56 57 58
59 60 61 62 63 64
4
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2
1
CLIP