Ic Block Diagrams - Sony CDX-2250 Service Manual

• IC Block Diagrams

IC401 LC75374E
33 32
+
+
–
–
LSELO 34
L4 35
L3
36
L2 37
+
L1 38 –
VDD 39
–
R1
40
+
R2 41
R3 42
R4 43
RSELO 44
–
–
+
+
1 2
IC402 TDA7385
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
IC3 BA6796FP-T1
26
28 27 25 24
THERMAL
SHUT
DOWN
LOGIC
CTL1 CTL2
1 2 3 4 5
31 30 29 28 27 26 25 24
–
–
+
+
CONTROL
SHIFT
DECODER LATCH
REGISTER
+ +
– –
3 4 5 6 7 8 9 10
23 22 21
LEVEL
VCC
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
V/I
FWD REV
6 7 8 9
23
22
LFIN
+
LFOUT
21
–
+
20 LROUT
–
19 VREF
18 CE
17
DI
16 CL
15
VSS
–
14 RROUT
+
–
13 RFOUT
+
12 RFIN
11
20 19 18 17
DRIVE DRIVE
BUFFER BUFFER
LEVEL
SHIFT
DRIVE DRIVE DRIVE
BUFFER BUFFER BUFFER
10 11 12
– 37 –
16 15
DRIVE
DRIVE
BUFFER
BUFFER
DRIVE DRIVE
BUFFER
BUFFER
13 14