System Control Block Diagram - JVC HR-XVC1U Service Manual

PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
VCR_POWER_ON-H
REGULATOR VCR_POWER_ON-L
POWER_FAIL
RX
DVD I/O
TX
DVD RESET
1G/VCR/T-REC_LED
3G/TV/VCR_LED
SEG_5
SEG_1
VIDEO_LED
OPERATION/
DVD_LED
DISPLAY
2G/DUB/REC_LED
KEY-B
KEY-A
REM_IN
CENT LED
D3001
BOT SENSOR
Q3008
EOT SENSOR
Q3006
REEL SENS
Q3001
P.CON+5V
CP3001
11 CYL FG/PG
12 CYL DRIVE
10 LDM CTL
CAPSTAN
5 I LIMIT
DD UNIT
9 CAP CTL
1 CAP FG
4 CAP.M F/R
2 CAP VCO
8 LD/CY_VCO
6 GND[M]
MOTOR_GND
AT+12.6V
CAP_VCO
MS_SEN B
REGULATOR
Q3004
P.CON +5V

SYSTEM CONTROL BLOCK DIAGRAM

SYSCON/TIMER/SERVO
IC1001 OEC0110A
42 HEATER SW
POWER ON-L
41
37 POWER FAIL
65 RX
OSC 2
80
X1001
10MHz
78 OSC 1
64 TX
75 X1
X3002
32.768KHz
76 X2
44 HD RESET
48 1G/VCR/T-REC LED
50 3G TV/VCR LED
63 SEG5
SEG1
55
47 VCR LED
DVD LCD
46
49
2G/DUB/REC LED
29 KEY-B
30 KEY-A
43 REM IN
REGULATOR
AT 5.2V
25
BOT-H
26 EOT-H
CENT SW
94 CENT LED
Q3007
P.CON+5V
2 1 2 1
REEL SENS
Q3002
4 3 4 3
REEL-T
70
69 REEL-S
103 CYL SPEED UP
104 DFG/PG
DRUM PWM
107
LD M CTL
97
102 CAP FULL
108 CAP PWM
CAP LIMIT
84
CAP FG
9
98 CAP FWD-L
38 CFG IN 2
28 MS SEN-A
2 1 2 1
27 MS SEN-B
MS_SEN A
Q3005
3 4 3 4
2-43
HIFI ENV 32
HIFI H.SW 106
ST SELECT 31
4 FSC OUT
21
X3003
14.3818MHz
4 FSC IN 22
C.SYNC 111
DUMMY V.SYNC 109
VIDEO H.SW 105
C.ROTARY 99
Y/C CS 93
AUDIO MUTE-H 95
H.AMP SW 100
V.REC ST-H 96
V ENV 24
CTL(+) 3
CTL(-)
4
Y/C DATA 54
Y/C CLK
53
COMP 101
AV SW1
92
CV IN1
17
TUNER A MUTE-H 85
POWER MUTE L
87
AFT S.CURVE
33
CV OUT
19
VCR-H 86
IIC CLK 61
IIC SDA 62
VIDEO MUTE H 40
SURROUND H
88
REC SAFTY
TAB SW 35
SW
IC3003
PST3231NR
2
SYSTEM
1
RESET 77
RESET
3
73
SEG 10
SEG 9 71
SEG 8 68
SEG 7 67
SEG 6 66
3G/TV/VCR LED 50
4G/TIME SHIFT LED 51
5G/CB/BS LED 52
SEG 2
58
SEG 3
59
SEG 4 60
2-44
V.REC_ST-H
AUDIO_MUTE-H
IIC_CLK
HIFI/
IIC_DATA
DEMODULATOR
HIFI_ENV.DET
HIFI_H.SW
ST_SELECT
C.SYNC
DUMMY_V.SYNC
H.SW
C.ROTARY
Y/C CS
AUDIO_MUTE-H
H.AMP_SW
V.REC_ST-H
Y/C/AUDIO/
ENV.DET CCD/HEAD AMP
CTL+
CTL-
Y/C_DATA
Y/C_CLK
COMP
AV_SW1
SW_V_ OUT
TUNER_A_MUTE-H
POWER_MUTE-L
AFT-S.CURVE
TUNER
VIDEO_OUT
/JACK
TV/VCR
IIC_CLK
IIC_DATA
VIDEO_MUTE-H
SORROUND_ON-H
EEPROM
SCL
6
IC3099
S-24C02BDP-1A
SDA
5
REGULATOR
AT+5V
SEG 10
SEG 9
SEG 8
SEG 7
SEG 6
OPERATION/
3G/TV/VCR_LED
DISPLAY
4G/TIME SHIFT_LED
5G/CB/BS_LED
SEG 2
SEG 3
SEG 4