Sanyo CDP-4000 Service Manual page 5

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IC BLOCK DIAGRAM & DESCRIPTION
IC101 AN8789FB(4ch Driver& DC/DC Converted
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No. j
Pin Name IFun~tiOn
II No. I Pin NAME lFunction I
1
t
Vaan
Empty detection input
2 Pvccl
Power supply
3 RESET Reset o!111'11 ti
I
D
I
TRVSTOP I Driver ON/OFF control I
I'MI
TR-
I Driver outout I
'3 TR+
Driver output
a
FO- Driver output
27
FO+ Oriver output
z% PGND Ground
23
SP+ Driver outrwt
-,---
4
DED
Dead time input
5 OUT
DC I DC converter output
6 FB
Error amplifler output
7 IN
Error amdifler incwt
J
8 SPRO
Short-circuit protection mpul
9 CT
Triangular wave osc!llatlon
10
AREF
1t2 Avdd outr)ut
t
33
I sP-
I Driver
OUtDUl
1311
TV+
I Driver outout I
3?
TV- Driver output
33 Icont
Charge current seffmg
34 MRST
Mutrrg reset output
25 EMP Empty detection output
33 Vc
Driver SUOOIV v oltaae
,
.... . .
11
CRIP
Ripple relectlon capacitor
12 Svcc
Power supply
13 N.c.
Not connect
14 AM
Ripple filter output
15 DRVCC
Power 5uDDIv
37 I TB
I PWM ctrcult output
.% CLK I External svnc rmml
.
16
I
Vref
I 1/2 Vcc input
17 Info
I Oriver inout
I
I
33 START
IStarl oscillation staring Input
16 Intr
Driver input
19 LDON
Driver ON/OFF control
23 Imp
Driver Input
21 Pc
Driver ON/OFF control
22 Intv
Driver Input
40 POWER
Power ON 10FF Input
41 PVCC2 Power supply
42
lout Charging and battery detection
43 SGND Ground
I
44
I
PWMG
I PMW 1000oam control
IC201 AN8839NSB(CD HEAD AMP)
RF
Y
m
-——11~ —
I
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I
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TBAL FBAL
KC
PCOSN N.C %!
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