Service manual

7-1
BLOCK DIAGRAMS
System Control Block Diagram
A8AF1BLS
LED1
KEY SWITCH
IC3101
(SUB MICRO CONTROLLER)
IC3301 (MAIN MICRO CONTROLLER)
3
RESET
XOUT
XIN
X3101
4MHz OSC
DIGITAL MAIN CBA UNIT
POWER SUPPLY CBA
IR SENSOR CBAFUNCTION CBA
POWER SUPPLY CBA
CL101A
REMOTE
SENSOR
RCV101
AL+3.3V
D102 POWER
STANDBY D101
LED144
CL101B
REMOTE22 P-ON-H155
CN301CN3601
REMOTE20 4
CN3704CN303
CN1000 CL1000B
4
1
2
3
3
2
PROTECT3 1 BACKLIGHT-ADJ
3
BACKLIGHT-SW
PROTECT3 BACKLIGHT-ADJ BACKLIGHT-SW
2
CN501
JUNCTION-B CBA
REMOTE
11
12
RXD
15
6 8
CLKOUT CLKIN
X3301
25MHz OSC
U25 U26
SCL
SDA
25 27
IC7001 (VIDEO/AUDIO SELECTOR)
SCL
SDA
14 15
TU1 (TUNER UNIT)
P-ON-H1
TO INVERTER BLOCK DIAGRAM (CL1000A)
BACKLIGHT-ADJ
AC24
BACKLIGHT-SW
B3
TXD1
P22
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
PROTECT1
22
P-ON-H1
14
P-ON-H2
13
P-ON-H2
P-ON-H1222
TXD
16
RXD1
N22
AMP-MUTE-SUB
18
REMOTE
R22
RESET-MAIN
5
RESET-MAIN
V24
RESET
TO AUDIO-2 BLOCK DIAGRAM
JUNCTION-A CBA
LED134 REMOTE52 P-ON-H125
CN101
KEY-IN166KEY-IN116
CL102A
KEY-IN111
CL102B
CN102
LED111 13
CN302
P-ON-H2123
CN3701
KEY-IN123 1
KEY-IN1
24
VCOM-PWM
21
VCOM-PWM
C12
AMP-MUTE-MAIN
AMP-MUTE
SCL
SDA
19 20
IC3102 (MEMORY)
5 6
SDA SCL
WP
2
7
WP
PROTECT2
23
PROTECT3
4
PROTECT123 1
CN302CN3701
PROTECT222 2 PROTECT321 3
IC3706 (MEMORY)
SPI-CLK SPI-DO SPI-DI SPI-CS0
SPI-CLK
SPI-DI
SPI-DO
SPI-CS0
Y25 Y24
W25 W24
6 5 2 1
SPI-CS1SPI-CS1
W26
3
AE13
AF13
SCL SDA
TO AUDIO-1 BLOCK DIAGRAM
SCL15 9 SDA16 8
22
2
21
3
BACKLIGHT-ADJ BACKLIGHT-SW
CN301CN3601
PROTECT1 PROTECT2
TO POWER SUPPLY BLOCK DIAGRAM
POWER SUPPLY CBA
INPUT0
A11
INPUT0
INPUT1
E12
INPUT1