System Control Block Diagram - JVC LT-19D200 Service Manual

SYSTEM CONTROL BLOCK DIAGRAM

SHD-SPD-EN
DVD-SPD-EN
TO AUDIO
INPUT0
BLOCK
INPUT1
DIAGRAM
AUDIO-MUTE
IC3101 (MEMORY)
SCK 6
SI 5
SO 2
CS 1
WP 3
X3101
25MHz
OSC
DIGITAL MAIN PWB UNIT
IC3301
(MAIN MICRO CONTROLLER)
DVD-LED E5
KEY-IN2 AD6
KEY-IN1 AC5
REMOTE R22
LED1 F1
P-ON-H2 AB13
P-ON-H1 R23
U6 SHD-SPD-EN
V6 DVD-SPD-EN
E1 INPUT0
E2 INPUT1
AUDIO-MUTE
AB9
PROTECT1 AD5
PROTECT2 AD4
PROTECT3 AE5
VCOM-PWM AC14
BACKLIGHT-SW AB16
BACKLIGHT-ADJ AB23
SCL AC18
SDA AC19
Q4001
AB25 SCK DVD-REMOTE C12 BUFFER
AB24 SIN LED-CONT U23
AC25 SOUT DVD-P-ON AB14
AC24 CS
E11 WP DVD-SDATA E12
DVD-SCLK D12
DVD-CS D11
DVD-DISC-IN F5
N1 CLKIN
DVD-DISC-OUT AB17
N2 CLKOUT
DVD-AUDIO-MUTE AB8
DVD-MAIN-PWR AB10
(No.YA711<Rev.001>)2-19
CN4001 CN303
2 KEY-IN2 2
3 DVD-LED 3
Q172
Q171
CN3702 CN302
29 KEY-IN1 29
CN3701 CN301
25 REMOTE 25
27 LED1 27
1 P-ON-H2 1
9 P-ON-H1 9
CN3701 CN301
11 PROTECT1 11
PROTECT2 15
15
5 PROTECT3 5
VCOM-PWM 29
29
26 BACKLIGHT-SW 26
BACKLIGHT-ADJ 28
28
TU302 (TUNER UNIT)
CN3702 CN302
SCL 22 4 SCL
22
21 SDA 21 5 SDA
CN4001 CN303
LED-CONT 16
16
6 DVD-P-ON 6
DVD-REMOTE 7
7
8 DVD-SDATA 8
DVD-SCLK 13
13
11 DVD-CS 11
DVD-DISC-IN 9
9
15 DVD-DISC-OUT 15
DVD-AUDIO-MUTE 25
25
DVD-MAIN-PWR 5
5
MAIN PWB UNIT
2-20(No.YA711<Rev.001>)
JUNCTION -A
PWB
CN102 CN101 CN101A CN101B
2 REMOTE 2 2 REMOTE 2
5 P-ON-H1 5 5 P-ON-H1 5
4 LED1 4 4 LED1 4
6 KEY-IN1 6 6 KEY-IN1 6
7 KEY-IN2 7 7 KEY-IN2 7
8 DVD-LED 8 8 DVD-LED 8
DVD-MAIN-PWR
P-ON-H2
P-ON-H1 TO
POWER SUPPLY
PROTECT1
BLOCK DIAGRAM
PROTECT2
VCOM
DRIVE
IC201,Q207,
Q208,Q209
BACKLIGHT-SW
TO
INVERTER
BACKLIGHT-ADJ
BLOCK
PROTECT3
DIAGRAM
CN901 CN401
LED-CONT
LED-CONT 2
2
DVD-P-ON
26 DVD-P-ON 26
DVD-REMOTE
DVD-REMOTE 25
25
DVD-SDATA
24 DVD-SDATA 24
DVD-SCLK
DVD-SCLK 21
21
DVD-CS
22 DVD-CS 22
DVD-DISC-IN
DVD-DISC-IN 23
23
DVD-DISC-OUT
3 DVD-DISC-OUT 3
CN902 CN601
DVD-AUDIO-MUTE
4 DVD-AUDIO-MUTE 13
DVD MAIN PWB UNIT
RS101
REMOTE
SENSOR
AL+3.3V
D103
STANDBY
D104
POWER
D950
DVD
KEY SWITCH
KEY SWITCH
FUNCTION PWB
TO
DVD SYSTEM
CONTROL / SERVO
BLOCK DIAGRAM
TO DVD DIGITAL
SIGNAL PROCESS
BLOCK DIAGRAM