JVC HR-XVC20US Service Manual page 85

E
(VCR/DVD PCB)
7 1.7 1.7 1.7 1.7 0
28 27 26 25 24 23
17 18 19 20 21 22
1 2.6 1.7 1.7 1.8 3.3
NC
16.9344MHz
7
X2001
H
W860
5
39 138 137 136 135 134 133
0
2.5
1.2
VCOC
1.0
VRPFR
1.2 R2016 10K
VPDO
VDD0
0
AVSS
2.5
VSS
AVDD3
0
JVRVO
VDD2
0
JVAIN
R2015
0.3
IN JVAO
0 6.8K
JVCPC
1.9 C2038 0.01 B
JVCPI
0 R2017 10K
AVSS
3.3
AVDD2
R2020
0.3
DVDFR
R2018
0
1.2K
CDFR
1.3
1.8K
FISET
1.3
PISET
JG2008
0.8
PCN
1.6
LF3
C2041
NC
0
LF2
0.4
0.1 B
LF1
1.3
FPDO C2042 R2026
1.3
PPDO
1.3 0.1 B
VCOCTL
0
DVSS
2.5
DVDD0
1.6
PCK JG2009
1.6
EFMOUT JG2010
1.6
AVD7
1.6
AVD6
1.6
AVD5
1.6
AVD4
1.6
AVD3
1.6
AVD2
LRSY
1.6
AVD1
DVDD1
1.6
AVD0
DVSS 3.3
AVERRB
3.3
EMPH
AVSCTB
1.6
AVDACK
2.2
AVACKO
2.0
AVREQI
0
0
2 83 84 85 86 87 88
E
2-20
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
F
C2047 R2036
0.001 10K
B
R2034
4.7K
0 2.5 2.6 0.9
4 3 2 1
GND +IN1 -IN1 OUT1
DUAL OP-AMP
+IN2 -IN2 OUT2 VCC
5 6 7 8
1.7 1.7 1.7 8.9
C2052
2.5V
3.3 0 3.3
1 2 3
V_IN GND V_C
REG+2.5V
V_OUT NR
R2029
5 4
5.6K
2.5 1.2
ADJV
C2043
560P CH
R2028
1.2K
680
AVD7
AVD6
AVD5
AVD4
AVD3
AVD2
AVD1
AVD0
DERR
DBGN
DCLK
DACK
DREQ
EMPH
F
G
1 F
FROM/TO MPEG/MICON
G
H
FROM/TO POWER
P.CON+9V
P.CON+3.3V
GND
WRQ
C2F
CD_DATA
BCK
LRCK
AVD7
AVD6
AVD5
AVD4
AVD3
AVD2
AVD1
AVD0
DERR
DBGN
DCLK
DACK
DREQ
EMPH
AMCLK
TE_BIAS
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HA0
HA1
HA2
HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
SPD_FG
INT_DEC
RDY
LSI_RST
RD
WR
CS_DVD
FROM/TO AUDIO/VIDEO
SPDIF-CD
D_GND
PCBB00
VMB282
H
8
7
6
5
4
3
2
1