Sony CFD-V3 Service Manual page 33

IC702 BA6998FP
28 27 26 25 24 23
DRIVE
BUFFER
LEVEL
SHIFT
–
+
+
–
REGULATOR VOLTAGE DETECT,
BIAS VOLTAGE DETECT,
THERMAL SHUT DOWN
LEVEL
SHIFT
–
+
DRIVE
BUFFER
1 2 3 4 5 6
• IC BLOCK DIAGRAMS –MAIN SECTION–
IC401 MM1468XD
CONT 1 VCC
NC 2
VH
DET
3
VM
VL
DET
GND 4
22 21 20 19 18
DRIVE
BUFFER
VCC VCC
LEVEL
SHIFT
–
+
+
–
DRIVER
MUTING
LEVEL
SHIFT
DRIVE
BUFFER
7 8 9 10 11
8 VCC
7 TC
LATCH
6 NC
VOUT
5
17 16 15
12 13 14
CFD-V3/V7/V7L
33