JVC AV-48WP74 Service Manual page 69

AV-48WP74
AV-56WP74
POWER & DEF PWB(1/2)
SHEET 19
A
A
IC163
AN7805F
C184 C164
OPEN .01
C183 C163
OPEN 470 /10
_DRIVE R162
DGND 220
R161
220
D170
1SS355-X
IC161
AN5441SA-W
D171
1SS355-X
UT
R193
C120 100
47 /25
R183
DGND
1k
ND
C173
0.015
7
R329
-470
220k
R327
220k
D321
1SS355-X
ABL
R330
68k
R326
220k R328
56k
C321
.001 DGND
DGND
R181
OPEN
EHT_DC
C177
OPEN
EW DGND
R189
0
Q168
R184
2SD601A/QR/-X
47k
R172
D166 0.5% BA10393F-XE
47k
OPEN
DEF_HP
R173
DGND
OPEN
R182
1k
R174
1k
D164
DGND
1SS355-X
DAF_SW
IC101-30
[V]
Vp-p 2Vp-p
L105
QQL01BK-101Z
Y008
OPEN
C185
OPEN
C161
1000
Y007
0
C165
0.1 /16
DISTORTION CORRECT
C169
C172 C171
.1 /16
4.7 0.18
/50 TF
R187
R164
4.7k Y009
100
DGND OPEN
R179
R177
5.6k
12k
0.5%
C168
DGND
0.01
R188 R178
100 820
C178
0.5%
C170 .1 /16
0.01
R180
DGND
1.5k
0.5%
R332
OPEN
DGND
Q162
2SD601A/QR/-X
C175
R175 R191 .0015
1k OPEN
R176
2.2k
Y002
0
R168 C166 DGND
4.7k 10
IC162
D165
Y003
0
0
R169
3.3k
R186
10k
DGND
Y006
OPEN
DGND
Y001
R190
0
180
C174 C167
.0027 .0033
DGND
IC161-18 IC161-26
[V] [V]
1.5Vp-p
Y005
C162
OPEN
.01
/16
IC212
CXA1875AM-X
R163
100
C179 C181
.1 /16 .1 /16
Y004
0
DGND C180 C182
.1 /16 .1 /16
R167
10K
R321
0
R171
22k
R170 C176
4.7k 0.18
TF
Q167
2SD601A/QR/-X DGND
DGND
Q751
2SD601A/QR/-X
R767 R752
OPEN 10K
R751
18k
R768
OPEN
C754
R758 BW
OPEN R753
8.2k
Q754
OPEN
R759
C751
OPEN
.056
Q755
OPEN
DGND
IC162-2
[V]
4Vp-p 10Vp-p
No.52105
R216
220
R217
220
C212
10
D222
OPEN
D221
1SS355-X
R227
1K
R226 R224
R223
100 100
100
R228
OPEN
C221 R230 C222 R229
1 22K OPEN OPEN
R765 R764 R763 R762 R761
180K 180K 180K 180K 180K
Q752 1/2W 1/2W 1/2W 1/2W 1/2W
2SD601A/QR/-X
R755
18k
Q753
2SC4632
C752
47 /35
C753
.015
QFZ0200-153
R754 R756 R757
18k 3.9K 1.5k
IC162-6
[H] [V]
1.5Vp-p
V_DRIVE
OCP
HB_PR0
DEF_RST
31/33
C762 C763
470p 470p
CN00L
QUB572-18PPFX
SHEET 4
DAF
DAF_GND
2-41