JVC HR-XVC20US Service Manual page 107

TROL BLOCK DIAGRAM
SERVO
2A
_CTL
HIFI ENV 32
HIFI H.SW 106
ST SELECT 31
4 FSC OUT
21
4 FSC IN 22
C.SYNC 111
DUMMY V.SYNC 109
VIDEO H.SW
105
C.ROTARY 99
LED
93
Y/C CS
D
AUDIO MUTE-H
95
H.AMP SW 100
V.REC ST-H 96
V ENV 24
CTL(+) 3
ED
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
UP
TAB SW 35
RESET 77
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
2-42
X3003
14.3818MHz
REC SAFTY
SW
IC3003
PST3231NR
2
SYSTEM
1
RESET
3
V.REC_ST-H
AUDIO_MUTE-H
IIC_CLK
IIC_DATA
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
ENV.DET
CTL+
CTL-
Y/C_DATA
Y/C_CLK
COMP
AV_SW1
SW_V_ OUT
TUNER_A_MUTE-H
POWER_MUTE-L
AFT-S.CURVE
VIDEO_OUT
TV/VCR
IIC_CLK
IIC_DATA
VIDEO_MUTE-H
SORROUND_ON-H
SCL EEPROM
6
IC3099
SDA
S-24C02BDP-1A
5
AT+5V
SEG 10
SEG 9
SEG 8
SEG 7
SEG 6
3G/TV/VCR_LED
4G/TIME SHIFT_LED
5G/CB/BS_LED
SEG 2
SEG 3
SEG 4
HIFI/
DEMODULATOR
Y/C/AUDIO/
CCD/HEAD AMP
TUNER
/JACK
POWER
OPERATION/
DISPLAY