Denon DN-D4000 Service Manual page 18

QQ
3 7 63 1515 0
AN8785SB
(IC202)
1
7
8
14
AN22002A
(IC203)
TE
L 13942296513
1
16
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http://www.xiaoyu163.com
L: All mute
Hiz: ch2,4 ON
H: Active
Standby PVcc2
28
16
22
Standby
Band-gap
Vcc/Vref
Reser Circuit
21
1.25V
15
7
IN2+
0.1µ
(2.5V)
32
A
+
C
-
B
+
D
17
-
F
-
E
-
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http://www.xiaoyu163.com
2 9
8
[ Others ]
[ Loading ] [ Traverse ] [ Spindle ]
D2- D2+ D4- D4+ D3-
M M
10 12 11 18 17 14
- + - + - + - + - +
- +
- +
switch
9 8 21 15 20
ch.4 SW
H:2.5V
L or
:Vref
IN4 IN3
IN2- PGnd2
HIZ
CAGC ARF
RFN
4 5 6
Q Q
3 6 7 1 3 1 5
RFOUT
RF_EQ
NRFDET
A
32
AMP GCA
C
31
B
30
AMP GCA
D
29
27
AMP GCA
E
F
28
AMP
GCA
VREF
17
24
co
.
18
DN-D4000
9 4 2 8
[ Focus ] [ Tracking ]
D3+ PVcc3 D1- D1+ D5- D5+
M
13 19 1 28 26 25
- + - + - + - + - +
- + - + - +
23 27 2
IN1 PGnd1 IN5
CBD0 BD0 C0FTR 0FTR
7 8 11 12 13 14
0 5 8 2 9 9 4
AGC BD0 0FTR
9
3TENV 10
15
BCA
22
-
SUB
23
BCA
21
-
SUB
BCA
20
BCA
19
VDET
18
-
2
LD
PD
1
m
26 25 16 3
GND VCC
18
9 9
PVcc1
24
Protection
Circuit
4
IN-
5
IN+
3
OUT
6
Vref
22
SVcc SGnd-Fin
2 8 9 9
CEA
3TOUT
NRFDET
FEN
FEOUT
TEN
TEOUT
TEBPF
VDET