Sony MEX-1HD Service Manual page 68

MEX-1HD
IC702 TPS77601PWPR
GND 1
GND 2
GND 3
NC 4
EN 5
IN 6
IN 7
−
+
VREF +
−
NC 8
GND 9
GND 10
– DISPLAY Board –
IC901 SN74HC595ADBR
16 15 14 13 12 11
VCC
1
IC902 RRX900-0601#1
L IN GND A V IN
16 15 14
INPUT 320kHz
320kHz
SLAGE /500kHz
BANDGAP
REFERENCE
1 2 3 4
L IN GND V STBY VCC
L
68
200 MS DELEY
(FOR RESET OPTION)
10 9
SHIFT REGISTER
LATCH
GND
2 3 4 5 6 7 8
PARALLEL DATA
OUTPUT
V AGC
13
NOISE
SUPPRESSION
AGC
PULSE
FORMER
5 6 7
NC NC VPO
20 GND
19 GND
18 NC
19 NC
16 RESET/PG
15 FB/NC
14 OUT
13 OUT
12 GND
11 GND
GND
LNS VCO NC
C
12 11 10 9
PULSE
COUNTER
8
NC
IC707 XC612N4644MR
IC708 XC612N3129MR
IC709 XC612N2016MR
IC713 XC612N1917MR
5 4
COMP.
REFERENCE
VOLTAGE
COMP.
1 2 3