Sony MDX-62 Service Manual page 26

– Main Section –
IC500 PCM1717E-ST2
1
XTI
CLK
CONTROL
DGND 2
VDD 3
INPUT
INTERFACE
LRCIN 4
DIN 5
DIGITAL
FILTER
BCKIN 6
NOISE SHAPER
ZERO 7
5 LEVEL
DAC
LOWPASS
FILTER
CMOS
D/C R 8
AMP
VOUTR 9
AGND 10
IC540 SM5852FS-E2
LRCI 1
INPUT
BCKI 2
INTERFACE
DI 3
SYSTEM
CLK 4 CLOCK
5
VSS
SEQUENTIAL
6
RSTN
CONTROL
TESTN 7
MUTE
MUTEN 8
CONTROL
– Power Section –
IC900 BA8272F-E2
14 13 12 11 10
1 2 3 4 5 6
20 XTO
CLKO
19
18
MUTE
17
DM1
MODE
DM0
16
CONTROL
15 RSTB
14 FORMAT
5 LEVEL
DAC
LOWPASS
FILTER
CMOS
13 D/C L
AMP
12 VOUTL
11 VCC
DB/DS
16
MOD2
15
DIGITAL
14 MOD1
SIGNAL
13 OPT
PROCESSOR
VDD
12
11 LRCO
OUTPUT
10 BCKO
INTERFACE
9 DOUT
MODE
CONTROL
9 8
RESET
SWITCH
7
IC520 TC7W74FU (TE12R)
8 7 6 5
S R Q
C D Q
1 2 3 4
IC700, 701 LB1638MTP-T1
GND 1
IN1 2
VCC 3
IN2 4
GND 5
IC970 TL5001CPS-E20
4 3
REFERENCE
VOLTAGE
– +
ERROR
+
AMP
–
S.C.P.
COMPARATOR 1
5
– 39 –
10 N.C.
9 OUT1
8 VS
7
OUT2
6 N.C.
2
U.V.L.O
DEAD-TIME
COMPARATOR
+
OSC
–
SWITCH
'ON'
AT
'H'
–
+
PWM
COMPARATOR
–
S.C.P.
+
LATCH
S.C.P.
COMPARATOR 2
6 7
1
8