JVC HR-XVC20US Service Manual page 81

E
(VCR/DVD PCB)
03 PQ070XZ01ZP
REG+1.8V
V_OUT V_ADJ GND
V_C
6
2 3 4 5
2 1.9 1.2 0
X4001
27MHz
1
R4036
1M
69 168 167 166 165 164 163 162 161 160 159 158 157
1.9
0.2
1.6
3.2 C4033
VDDP
0.7 0.1 F
MEMAD_17
0
D_18
GNDP
1.2
MEMAD_16
D_19 1.7
MEMAD_15
1.0
MEMAD_14
0.8
MEMAD_13
1.5
MEMAD_12
2.5
MEMAD_11
1.3
MEMAD_10
1.6
MEMAD_9
1.5
MEMAD_8
3.2
VDDP
1.4
MEMAD_7
0
GNDP
1.7
MEMAD_6
1.6
MEMAD_5
1.3
MEMAD_4
1.7
MEMAD_3
2.5
MEMAD_2
1.6
MEMAD_1
0
GNDC
2.5
MEMAD_0
1.9
VDDC
3.2 R4060 2.2
MEMWR
2.6
MEMRD
3.2
VDDP
2.6 R4038 4.7K
MEMCS0
0
GNDP
3.2
MEMCS1
3.2
MEMCS2
0.7
MEMDA_15
1.9
MEMDA_7
1.3
AT_15
MEMDA_14
1.2
MEMDA_6
0.6
MEMDA_13
0.7
MEMDA_5
AT_0
C4034
3.2
VDDP
0.8
A_0
MEMDA_12
0
GNDP
1.6
A_8
MEMDA_4
1.6
MEMDA_11
A_1
1.6
MEMDA_3
1.3
MEMDA_10
1.2
MEMDA_2
1.4
MEMDA_9
1.4
0.9
1.6
92 93 94 95 96 97 98 99 100 101 102 103 104
E
2-16
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
B4004
FCM2012H-102T04
B4005
FCM2012H-102T04
B4006
FCM2012H-102T04
B4003
L4002 FCM2012H-102T04
DVD_RESET
2.2uH
B4002
JG4006
FCM2012H-102T04
HA18
HA17
HA16
HA15
HA14
HA13
HA12
HA11
HA10
HA9
HA8
C4032
0.1 F HA7
HA6
HA5
HA4
HA3
HA2
HA1
HA0
C4042
WR
RD
0.1 F
C4031 0.1 F
MEMCS0
R4039
CS_DVD
4.7K
HD15
HD7
HD14
HD6
HD13
HD5
0.1 F
HD12
HD4
HD11
HD3
HD10
HD2
HD9
HD1
HD8
HD0
F
G
L4001
P.CON+A5V
2.2uH 0305
JG4001
JG4002
JG4003
JG4004
FROM/TO MEMORY
SD_A4
SD_A3 W895
SI1
SD_A5
W866
SO1
SD_A2
SD_A6
SD_A1
SD_A7
SD_A0
SD_A8
SD_A10
RAMCS0#
SD_A9
SD_BA0
RAMRAS#
RAMCAS#
RAMWE#
RAMDQM
RAMCLK
SD_D8
SD_D7
SD_D9
SD_D6
SD_D10
SD_D5
SD_D11
SD_D4
SD_D12
SD_D3
SD_D13
SD_D2
SD_D14
SD_D1
SD_D15
SD_D0
HA18
HA17
HA16
HA15
HA14
HA13
HA12
HA11
HA10
HA9
HA8
HA7
HA6
HA5
HA4
HA3
HA2
HA1
HA0
WR
RD
MEMCS0
HD15
NOTE:THE DC VOLTAGE EACH PART WAS
HD7
MEASURED WITH THE DIGITAL TESTER
HD14
DURING PLAYBACK.
HD6
HD13
HD5
HD12
HD4
HD11
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
HD3
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
HD10
HD2
HD9
HD1
HD8
HD0
G
H
8
FROM/TO POWER
GND
7
P.CON+5V_DH
P.CON+3.3V
6
FROM/TO SYSCON
5
DVD_RESET
TX
RX
4
3
2
1
PCBB00
VMB282
H