Ic Block Diagram - Aiwa XP-Z5 Service Manual

IC BLOCK DIAGRAM - 1/2

QQ
3 7 63 1515 0
IC, AN8789FB
FO
TB V
C
37 36 27 26
TE
L 13942296513
PWMG
44 PWM
BTL
Max.value
I
OUT
42
PV
CC2
41
Quick
chenger
I
CONT
33
DRV
CC
15
43 17 16
SGND IN V
FO REF
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http://www.xiaoyu163.com
IC, LN4808
IN A(–) 2
IN A(+) 3
IN B(+) 5
6
IN B(–)
TR SP
25 24 29 30 31
BTL BTL BTL
18 19 20 21 22
IN LDON IN PC IN
TR SP TV
TRVSTOP
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http://www.xiaoyu163.com
2 9
8
VDD
8
1 OUT A
20kΩ
7
OUT B
20kΩ
4
GND
TV
PGND RESET MRST
Q Q
32 28 3
3 6 7 1 3
Ripple
filter
23 14 11 12 7 6
AV SV IN FB
DD CC PO
CRIP
.
-18-
9 4 2 8
EMP V START CT
SEN
34 35 1 39 9
1 5 0 5 8 2 9 9 4
Starter
Starter SW
Initial setting
POWER
OFF
8 4 10
SPRO DED AREF
m
co
9 9
PV
CC1
2
2 8 9 9
CLK
Trian-
gular 38
wave
POWER
40
OUT
5