JVC HR-XVC20US(R) Service Manual page 17

Dvd/cd player hi-fi stereo video casstte recorder
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A
8
FROM/TO POWER
TX
RX
DVD_POWER_CTL
AT+12.6_V
P.CON+5V
AT+5V[M-CON]
7
VCR_POWER_ON-L
POWER_FAIL
AT+5.2V
GND
MOTOR_GND
35V
FROM/TO DECK
6
CP3001
TMC-J12P-B2
1
CAP FG
2
CAP VCO
3
VCC
4
CAP.M/F/R
5
I LIMIT
6
MOTOR GND
7
GND
8
LD/CY VCO
9
CAP CTL
10
LDM CTL
5
11
CYL FG/PG
12
CYL CTL
5.0
BOT SENSOR
4
Q3008
ST-304L
0
3
2
CAUTION: DIGITAL TRANSISTOR
1
A
B
C3033_1
330
YK
CAP_FG
L3002
W818
AT+12.6_V
22uH
P.CON+5V
R3003
CAP_F/R
3.3K
CAP_LIMIT
C3040
1 F
AT+12.6_V
CONTROL_IN
LDM_CTL
CYL_FG/PG
CYL_DRIVE
AT+5.2V
5.0
EOT SENSOR
Q3006
ST-304L
0
EOT
BOT
(LED_GND)
R3011
AT+5.2V
47K 1/4W
TAB_SW
P.CON+5V
MS_SEN B
Q3004
RPI-352C40N
B
C
R3057
CAP_LIMIT
22K
TV/VCR
POWER_MUTE-L
SYS_MUTE
AV_SW1
W835
Y/C_CS
RF_CH_SW
AUDIO_MUTE-H
V.REC_ST-H
LDM_CTL
CAP_F/R
C.ROTARY
C3008
H.AMP_SW
0.0047 B
24
COMP
R3032
CONTROL_IN
R3031
10K
CYL_DRIVE
R3008
1M
21
CYL_FG/PG
1K
R3001
H.SW
5.6K
HIFI_H.SW
R3014 56K
C3007 0.1
B
C3004
0.022
B
DUMMY_V.SYNC
C.SYNC
AT+5V[M-CON]
R3017
CTL+
560
R3020
CTL-
560
AT+5.2V
MS_SEN A
Q3005
RPI-352C40N
5.1
5.1
0.9
5.1
2
3
2
3
1
4
1
4
0.9
1.3
0.4
1.3
CAUTION: DIGITAL TRANSISTOR
C
D
SYSCON SCHE
C3025
12P CH
X3001
10MHz
10MHz
23
R3034
1M
NC
0
5.1 3.4 2.5
0
0
0 5.1 1.4 1.5
3.3
84
83
82
81
80
79
78
77
5.0
NC
0
5.0
5.1
SYS MUTE
0
NC
FL CLK/VSC CLK
85
0
NC
FL DATA/VSC DATA
86
VCR_H
5.0
AV SW2
NC
87
POWER MUTE-L
5.0
AV SW1
0.1
Y/C CS
5.1
RF CH SW
0
AUDIO MUTE-H
0
V.REC ST-H
2.4
LDM_CTL
0
CAP FWD-L
2.5
C.ROTARY
0
H.AMP SW
0
COMP
2.7
CAP FULL
0
CYL SPEED UP
3.0
D FG/PG
2.5
VIDEO H.SW
2.5
HIFI H.SW
2.7
111
C SYNC
DRUM PWM
R3012
2.7
112 VCC (BACK UP)
CAP PWM
56K
0
DUMMY_V.SYNC
0
VSS (GND)
0.4
5.1
1
2
3
4
5
6
7
8
0
0
2.5
0
2.5
0.1
2.6
2.5
2.3
25
22
C3013
C3016
6.3V
47
KA
6.3V
22
KA
C3015
820P CH
1.2
1.2
2.4
0
2
2
1
1
3
4
3
4
0
5.2
5.2
0
27
NOTE:THE DC VOLTAGE EACH PART W
MEASURED WITH THE DIGITA
DURING PLAYBACK.
D
(VCR P
NC
NC
0
0
0
76
75
74
73
72
SYSCO
O
9
10
11
12
13
5.1
2.0
2.0
1.5
0.4
R3025
470
L3003
12uH
C3044
12P CH
2-5

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