System Control Block Diagram - JVC LT-19DA9BJ Service Manual

SYSTEM CONTROL BLOCK DIAGRAM

SDA
TO VIDEO
BLOCK SCL
DIAGRAM
SCL
SDA
TO AUDIO-1
NICAM-RESET
BLOCK
SCART-MUTE
DIAGRAM
INPUT0
INPUT1
INPUT2
INPUT2
SLOW-SW1
TO VIDEO
BLOCK FBIN1
DIAGRAM
S-SW
IC3706 (MEMORY)
DIGITAL MAIN PWB
IC4513
(MAIN MICRO CONTROLLER)
AF12 SCL
AE12 SDA
B11 NICAM-RESET
B2 SCART-MUTE
Q3823
A11 INPUT0
Q3819
E12 INPUT1
Q3822
D12 INPUT2
D1 SLOW-SW1
E1 FBIN1
C12 S-SW
REMOTE R22
TXD1 P22
RXD1 N22
RESET-MAIN V24
AMP-MUTE-MAIN AA2
SCK 6 Y25 SPI-CLK
SI 5 Y24 SPI-DO
SO 2 W25 SPI-DI
CS 1 W24 SPI-CS
X3301
U25 CLKOUT
25MHz
OSC
U26 CLKIN
BACKLIGHT-SW A2
(No.YA683<Rev.001>)2-7
CN3601 CN104A CN106
22 REMOTE 4
1 P-ON-H1 25
13 P-ON-H2 13
25 KEY-IN1 1
CN3701 CN101A
18 LED1 8
P-ON-H1
TO POWER
SUPPLY
P-ON-H2
BLOCK
DIAGRAM
MAIN PWB
IC4700
(SUB MICRO CONTROLLER)
X3101
XOUT 6
4MHz
12 LED1
OSC
XIN 8
24 KEY-IN1
13 P-ON-H2
IC3102 (MEMORY)
14 P-ON-H1
11 REMOTE SDA 20 5 SDA
15 RXD SCL 19 6 SCL
16 TXD
5 RESET-MAIN
TO DIGITAL
VCOM-PWM SIGNAL
VCOM-PWM 21
PROCESS
BLOCK
18 AMP-MUTE-SUB
DIAGRAM
PROTECT1 22
PROTECT2 23
RESET 3
PROTECT3 4
TO AUDIO-2
AMP-MUTE
BLOCK
DIAGRAM
2-8(No.YA683<Rev.001>)
CN201 CN202 CN301
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
KEY SWITCH
FUNCTION PWB IR SENSOR PWB
MAIN PWB
CN3701 CN101A
PROTECT1
21 PROTECT1 5
PROTECT2
20 PROTECT2 6
RESET
17 RESET 9
19 PROTECT3 7
CN105A
CN3601 CN104A 8 PROTECT3
23 BACKLIGHT-SW 3 9 BACKLIGHT-SW
RS301
REMOTE
SENSOR
+3.3V
D303
STANDBY
D302
POWER
TO POWER
SUPPLY
BLOCK
DIAGRAM
TO
INVERTER
BLOCK
DIAGRAM
(CL403)