Pioneer AVH-P6400CD UC Service Manual page 114

1
QQ
3 7 63 1515 0
CXA2089Q
A
BIAS 37
CIN1
38
LOUT1 39
VOUT1 40
ROUT1
41
TRAP1
42
YOUT1 43
GND 44
COUT1
45
B
LTV 46
TV 47
RTV
48
TE
L 13942296513
*LT1376CS8
1
BOOST
C
2
VIN
Vsw 3
www
4
BIAS
D
114
1
http://www.xiaoyu163.com
2
36 35 34 33 32 31 30
TV
47
V1
1
V2 8
V3 15
V4 23
Y1 3
Y2
10
Y3
17
C1 5
C2
12
C3 19
S2-1 6
S2-2 13
S2-3
20
S-1
7
S-2 14
S-3 21
LTV 46
LV1 2
LV2 9
LV3 16
LV4 22
RTV
48
RV1 4
RV2 11
RV3 18
RV4
24
1 2 3 4 5 6
+ –
CURRENT
SENSE
2.9V BIAS
INTERNAL
AMPLIFIER
REGULATOR V
CC
S
SLOPE COMP
0.9V
500kHz
OSCILLATOR
+
SHUTDOWN
COMPARATOR
–
+
–
CURRENT
COMPARATOR
0.4V
3.5m A
FOLDBACK
CURRENT
+
LIMIT
CLAMP
–
LOCKOUT
COMPARATOR
2.38V
x ao
y
. i
AVH-P6400CD/UC
2
http://www.xiaoyu163.com
3
8
29 28 27 26 25
6dB 40 VOUT1
36 YIN1
43 YOUT1
6dB
42 TRAP1
6dB
45 COUT1
38 CIN1
6dB 33 VOUT2
6dB 31
YOUT2
6dB 29 COUT2
44 GND
BIAS 37 BIAS
34 V
CC
28 DC OUT
26 SCL
Logic
27
SDA
25 ADR
35 MUTE
6dB
39 LOUT1
0dB
6dB
41 ROUT1
0dB
6dB LOUT2
30
ROUT2
6dB 32
Q Q
3 6 7
7 8 9 10 11 12
S
R S DRIVER
FLIP-FLOP CIRCUITRY
R
FREQUENCY
SHIFT CIRCUIT
Q2
ERROR
AMPLIFIER
u163
2.42V
3
4
2 9 9 4
24 RV4
23 V4
22 LV4
21 S-3
S2-3
20
19 C3
18 RV3
17 Y3
LV3
16
15 V3
14 S-2
13 S2-2
1 3 1 5 0 5 8 2 9
8
Vc
7
FB/SENSE
Q1
POWER
SWITCH
6
GND
m
5
shdn
co
.
4
2 8
9 9
9 4 2 8 9 9