Sanyo DVD-SL330(AU) Service Manual page 37

IC BLOCK DIAGRAM & DESCRIPTION
IC601 ba5901k(4ch Driver + Power Controller)
AMUTE 34
EMP 35
36
HV
CC
PSW 37
CLK
CLK
38
39
START
OFF 40
41
CHGV
TSD
CC
SEL 42
PREGND 43
PWMFIL 44
Pin No. Name
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
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33 32 31 30 29
BTL BTL
MAXIMUM
DETECTION
+
-
OVER-VOLTAGE
+
-
++ -
1 2 3 4 5
Description
28 27 26 25 24
BTL BTL
TSD
V
-
/
+
I
V
-
/
+
I
V
-
/
+
I
V
-
/
+
I
TRIANGLE WAVE
PRE-DRIVER
POWER SUPPLY
- +
+ -
+ -
6 7 8 9 10
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 POWER PART GND
POWGND
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
CHARGE CIRCUIT POWER SUPPLY INPUT
CC
42 SEL EMPTY DETECTION LEVEL SWITCH
43 PREGND PRE PART POWER SUPPLY GND
44 PWMFIL PWM PHASE COMPENSATION
- 43 -
23
BRAKE1
22
IN1
21
MUTE2
20
IN2
19 MUTE3,4
18
IN4
17
IN3
16 Vref
15
VSYS2
14 OP+
+
OPOUT
13
-
12 VSYS1
11