Service manual

9-1
K3
KEY SWITCH
IC3301 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
IR SENSOR CBAFUNCTION CBA
POWER SUPPLY CBA
CL101B
REMOTE
SENSOR
RS102
AL+3.3V
D104 POWER
STANDBY D105
LED144
CL102A CL103B
REMOTE22 P-ON-H155
CN302CN3702
CN3702 CN302
CLKOUT-25M CLKIN-25M
X3101
25MHz OSC
U1
V1
CLKOUT-32K CLKIN-32K
X3102
32.768kHz OSC
N2 N1
SCL SDA
4 5
TU301 (TUNER UNIT)
TO INVERTER BLOCK DIAGRAM (CN1001)
TO POWER SUPPLY BLOCK DIAGRAM
PROTECT3
M2
VCOM-PWM M4
PROTECT2 L3
PROTECT1 L2
KEY-IN1
L1
BACKLIGHT-SW E19
LED1
LED-R
R2
G19 G20
P-ON-H2
U3
REMOTE T1
P-ON-H1
PROTECT2
PROTECT1
P-ON-H2 P-ON-H1
P2 P3
JUNCTION CBA
CN101
KEY-IN166
CL103C
KEY-IN133
CN201
CN101
CN301
Q171
Q172
CN3701
C22BACKLIGHT-ADJ
IC3101 (MEMORY)
SCK
SI
SO
K22
L19 L20
K21
6 5 2 1
F21
3
K4
SCL1
SDA1
CN301CN3701
SCL SDA
9 8
TU301 (TUNER UNIT)
CS
WP
SCK SIN SOUT CS WP
IC201,Q203, Q204,Q205
DRIVE
22
22
SCL
21
21
SDA
11
11
PROTECT1
15
15
PROTECT2
5
5
PROTECT3
29
29
VCOM-PWM
26
26
BACKLIGHT-SW
28
28
BACKLIGHT-ADJ
KEY-IN129 29
P-ON-H199 LED-R13 13 REMOTE25 25 LED127 27 P-ON-H211
LED144 REMOTE22 P-ON-H155 KEY-IN166
6
PROTECT3
5
BACKLIGHT-SW
4
BACKLIGHT-ADJ
14
VCOM
TO AUDIO BLOCK DIAGRAM
AUDIO-MUTE INPUT0 INPUT1
AUDIO-MUTE INPUT0 INPUT1
P5
Either TU301 is used for Power Supply CBA.
* *
BLOCK DIAGRAMS
[TYPE A]
FL10.3ABLS
1. System Control Block Diagram