Denon DRA-CX3 Service Manual page 10

QQ DA428440E-E (IC702)
3 7 63 1515 0
BLOCK DIAGRAM
OCM 6
VDCK 10
VSCK 8
DCG 7
TE
L 13942296513
ENA 4
TEST 19
Inverting
IN1- 17
AGND1- 16
Non-inverting
IN2+ 15
AGND2+ 14
VDD 22
AGND
1,9,12,21
VSS 2,11,20
SYN 5
THM 3
NC
13,18,24,43
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Control chip
Current Prot / HF Prot
Voltage
check
Rec.
Comp
COM/MECC
Soft
arator
Control ch1
Limit
Rec.
Comp
COM/MECC
Soft
arator
Control ch2
Limit
Shnchro
Circuit
Thermal
Warning
Current Prot / HF Prot
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2 9
8
Driver chip1
Current
detect
Q Q
3 6 7 1 3 1 5
Level
High
shift
drive
Current
detect
Reciever
Low
DeadTime
drive
Current
detect
Level
High
shift
drive
Current
detect
Reciever
Low
DeadTime drive
Driver chip2
NTC
co
.
10
DRA-CX3
9 4 2 8
25 ZB1
23 FB1
32 PWMFB1
27 VD1
28 VD1
0 5 8 2 9 9 4 2 8
31 PWM1
26 VDR1
29 VS1
30 VS1
33 SUB
34 VS
36 VD2
37 VD2
40 PWM2
38 VS2
39 VS2
35 VDR2
41 PWMFB2
44 FB2
42 ZB2
m
9 9
9 9