Sony RCD-W500C Service Manual page 81

IC172 LB11698H-TE-L (CDR Board)
IC460 M5293L (MAIN Board)
15
UIN1
16
UIN2
17
VCC1
RF 18
VCC2 19
UOUT 20
VOUT 21
22
WOUT
NC 23
NC 24
CURRENT
NC 25
LIMITER
CONTROL
26
NC
27
VLMC
SHORT BRAKE
REVERSE BRAKE
SWITCH FUNCTION
28 REFERENCE VOLTAGE
VREF
THERMAL SHUTDOWN
GND 2
REFERENCE
ON/OFF 4
VOLTAGE
VIN 1
HALL
POWER
SUPPLY
FORWARD
/REVERSE
ROTATION
DIRECTION
DETECTOR
1 HALL FG/
3 HALL FG
5k
27k
+
–
OVERHEAT OVERCURRENT
PROTECTION LIMITTER
RCD-W500C
14 VIN2
13
VIN1
12
WIN2
11 WIN1
10 VH
9
RS
8 FG
7
BREAK
6
S/S
5
SIGGND
4
FGSEL
3 FC
2
VCREF
1
VC
5
VREF
3
VOUT
81