Schematic Diagram - Mic/Headphone Section - Sony STR-KG800 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

6-18. SCHEMATIC DIAGRAM - MIC/HEADPHONE Section -

1 2
DCAC BOARD
A
B
CN2000
5P
(Page 24)
+7V 1
MAIN NC 2
H
BOARD
GND 3
(3/3)
CNP500
-7V 4
DISPLAY Y
BOARD DCAC_IN 5
CNP106
(Page 41)
C
R2016
D
E
T E
L 1 3 9 4 2 2 9 6 5 1 3 HEADPHONE BOARD
CNP790
4P
E
HP_DETECT 1
R-CH 2
MAIN
GND 3
BOARD
(3/3)
L-CH 4
CN792
F (Page 24)
w w w
STR-KG800
3 4 5 6
C2005
R2017
33p 2.2k
C2018
0.1 R2019
2.2k
R2003
C2002
10k R2018
1
1.2k R2000
50V 1k
C2003
0.033
C2011
0.022
8 7 6 5
C2006
1 IC2000
50V
MIC AMP
R2006
1k
1 2 3 4
D2014
MA2J1110GLS0
R2015
C2013
33k
1
50V
C2014
0.47
15k
50V
R2010
10k
C2012
C2010
0.022
0.033
J790
PHONES
C791
0.1
TP790
(CHASSIS)
x a o
y
. i
http://www.xiaoyu163.com
• Waveforms
– DIGITAL AB Board –
7
IC1301 (XOUT)
J2000
AUTO CAL MI C
82 ns
2 V/DIV, 50 ns/DIV
C2205
IC1009 (XTAL)
0.1
TP2000
(CHASSIS)
40 ns
500 mV/DIV, 20 ns/DIV
IC1010 (X1)
Q Q
80 ns
3 7 6
2 V/DIV, 50 ns/DIV
u 1 6 3
.
33 33
2 4
8 9 9
– HDMI Board –
IC3511 (XTALOUT)
4.3 Vp-p
2.2 Vp-p
35.3 ns
1 V/DIV, 50 ns/DIV
IC3519 (XOUT)
1.2 Vp-p
3.4 Vp-p
100 ns
1 V/DIV, 50 ns/DIV
3.9 Vp-p
3 1 5 1 5 0 8 9 2
m
c o
STR-KG800
2
8 9 9
– DISPLAY Board –
IC100 (OSC)
2.2 Vp-p
2.6 μs
1 V/DIV, 2 μs/DIV
4 9 8 2 9 9