Block Diagram - Sony M-800V Service Manual

M-800V/850V
5-4. IC Block Diagrams
IC101 NJM2775AM-TE2
16 15 14
A
PRE POW
S GND
1 2 3
IC401 MM1251BFBE
8 7 6
5
–
+
VREF +
VOLTAGE UP
– CIRCUIT
1 2 4
3
13 12 11 10 9
TC ALC
IN
PGND
ALC
B
POW
RIPPLE FILTER
RF OUT RF IN
4 5 6 7 8
IC501 NJM2072M
INPUT VCC
1 8
GAIN CONT
2 7 OUTPUT2
AMP OUT OUTPUT1
3 6
RECOVERY
GND 4
5
TIME CAP
IC601 LB1877V-TLM
20
DRIVER
1 2
14 14
19 18 17 16 15 14 13
+
TSD
–
LOCKING SPEED
PROTECT DET
STARTUP WAVEFORM
DIR LOGIC DET
STARTUP CURRENT
DET DET
OSC
3 4 5 6 7 8 9 10
12 11
REF V BIAS