Ic Block Diagram And Description - Sanyo CDP-4700 Service Manual

IC BLOCK DIAGRAM & DESCRIPTION
IC201 BU9528KS(Servo signal Processor)
ASY 1
EYE 2
I /O
CONTROL
AVDD1 3
FCO 4
PCO 5
PLL WINDOW
VC 6
RVCO 7
AGND1 8
FEIN 9
FCAPA 10
SUB
TEIN 11
TZC 12
ATS 13
TCAPA1 14
SERVO
CLV
FILTER
CONTROL
TCAPA2 15
CDST 16
RFRP 17
CLV
FB 18
DAC
TB 19
ADJ1 20
60 DFDIN
59 AVDD2
58 RLINEO
57 RLINEI
ECC
56 RDACO
55 VCDAC
8fsDF
+
54 LDACO
DAC
53 LLINEI
52 LLINEO
51 AGND2
16k SRAM
50 RMUTE
49 LMUTE
48 DVDD1
47 WFCK
46 RFCK
45
RESETB
SERVO COMMAND
CONTROL INTERFACE
44 SENS
43 BUSY
42 R/W
41 DOUT
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IC BLOCK DIAGRAM & DESCRIPTION
IC601 ba5901k(4ch Driver + Power Controller)
33 32 31 30 29
AMUTE 34
EMP 35
BTL
HV 36
CC
PSW 37
MAXIMUM
DETECTION
CLK
CLK 38
START 39
+ -
OFF 40
CHGV 41
CC TSD
SEL 42
PREGND 43
+
-
++
PWMFIL 44
1 2 3 4
Pin No. Name Description
1 BSEN BATTERY VOLTAGE MONITOR
2 BATT BATTERY POWER SUPPLY INPUT
3 RESET RESET DETECTION OUTPUT
4 DEAD DEAD TIME SET
5 SW BOOSTING TRANSISTOR DRIVER
6 EO ERROR AMP. OUTPUT
7 EI ERROR AMP. INPUT
8 SPRT SHORT PROTECT SET
9 C TRIANGLE WAVE OUTPUT
T
10 N.C. -
11 OP- OPERATION AMP. - INPUT
12 VSYS1 CONTROL CIRCUIT POWER SUPPLY
13 OPOUT OPERATION AMP. OUTPUT
14 OP+ OPERATION AMP. + INPUT
15 VSYS2 PRE-DRIVER POWER SUPPLY
16 Vref REFERENCE POWER SUPPLY
17 IN3 DRIVER CH3 INPUT
18 IN4 DRIVER CH4 INPUT
19 MUTE3,4 CH3,CH4 MUTE
20 IN2 DRIVER CH2 INPUT
21 MUTE2 CH2 MUTE
22 IN1 DRIVER CH1 INPUT
28 27 26 25 24 23
BRAKE1
22 IN1
21 MUTE2
BTL BTL BTL
20 IN2
TSD
V
-
/
19 MUTE3,4
+
I
V
-
/
+ 18
IN4
I
V
-
/
17 IN3
+
I
V
-
/
16 Vref
+
I
TRIANGLE WAVE
15
VSYS2
PRE-DRIVER
POWER SUPPLY
OVER-VOLTAGE
14 OP+
+
13 OPOUT
- +
-
+ -
-
12 VSYS1
+ -
5 6 7 8 9 10 11
Pin No. Name Description
23 BRAKE1 CH1 BRAKE
24 OUT4R DRIVER CH4 OUTPUT (-)
25 OUT4F DRIVER CH4 OUTPUT (+)
26 OUT3R DRIVER CH3 OUTPUT (-)
27 OUT3F DRIVER CH3 OUTPUT (+)
28 POWGND POWER PART GND
29 OUT2F DRIVER CH2 OUTPUT (+)
30 OUT2R DRIVER CH2 OUTPUT (-)
31 OUT1F DRIVER CH1OUTPUT (+)
32 OUT1R DRIVER CH1 OUTPUT (-)
33 RCHG CHARGE CURRENT SET
34 AMUTE RESET INVERSION OUTPUT
35 EMP EMPTY DETECTION
36 HV H BRIDGE POWER SUPPLY
CC
37 PSW PWM TRANSISTOR DRIVER
38 CLK
SERIAL DATA TRANAFER CLOCK INPUT
39 SRART
BOOSTING DC/DC CONVERTER START
40 OFF BOOSTING DC/DC CONVERTER OFF
41 CHGV
CC CHARGE CIRCUIT POWER SUPPLY INPUT
42 SEL EMPTY DETECTION LEVEL SWITCH
43 PREGND PRE PART POWER SUPPLY GND
44 PWMFIL PWM PHASE COMPENSATION
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