Service manual

9-1
AC18
KEY SWITCH
IC3301 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
IR SENSOR CBAFUNCTION CBA
POWER SUPPLY CBAJACK CBA
WH2154
REMOTE
SENSOR
RS2151
AL+3.3V
STANDBY
D2151
POWER
D2153
WH2153 WH2151
REMOTE55 LED-R22
CN2103CN3702
CN3702 CN2103
CLKOUT-25M CLKIN-25M
X3102
25MHz OSC
N1 N2
SCL
Q2401
SDA
8 7
TU2301 (TUNER UNIT)
SCL SDA
4 5
TU2301 (TUNER UNIT)
PROTECT3 AE5
PROTECT1 AD5
KEY-IN1
LIGHT
AC5
BACKLIGHT-SW
AB16
P-ON-H2
AB13
REMOTE
R22
LED-R F3
LIGHT -SENSOR
D2156
*1
JUNCTION -A CBA
CN2151
KEY-IN111
WH2152
CN1801
KEY-IN111
CN2106
CN2104
LED133
AB23
W26
BACKLIGHT-ADJ
RESET
IC3101 (MEMORY)
SCK
SI
SO
AB25 AB24
AC25 AC24
6 5 2 1
E11
F1
3
AC19
SCL
SDA
RESET
IC3103
CN2102CN3701
CS
WP
SCK
AL+3.3V
SIN SOUT CS WP
TO POWER SUPPLY 1 BLOCK DIAGRAM
P-ON-H2 P-ON-H1
PROTECT3
POWER-RESET
BACKLIGHT-SW
BACKLIGHT-ADJ
TO POWER SUPPLY 2 BLOCK DIAGRAM
18
18
SCL
17
17
SDA
99
PROTECT1
88
PROTECT3
21 21
BACKLIGHT-SW
22 22
BACKLIGHT-ADJ
77
RESET
KEY-IN125 25 LIGHT-SENSOR
11
LED-R
55
REMOTE23 23
LED1 LED124 24
P-ON-H2
10 10
P-ON-H2
R23
P-ON-H1
66
12
2
PROTECT3
10
4
BACKLIGHT-SW
9
5
BACKLIGHT-ADJ
8
6
POWER-RESET P-ON-H168 P-ON-H277
REMOTE55 LED-R22 KEY-IN111
LED133 LIGHT-SENSOR
77
LIGHT-SENSOR
77
TO AUDIO BLOCK DIAGRAM
AUDIO-MUTE
AUDIO-MUTE
AB9
AE6
11
3
PROTECT1
PROTECT1
Either TU2301 is used for Jack CBA.
* *
BLOCK DIAGRAMS
System Control Block Diagram
FL10.5BLS
*1 40MF430B/F7,
LC407SS1 (Serial No. : DS2A) LC407EM1
[40MF430B/F7(Serial No.:DS1A), LC407SS1(Serial No.:DS1A,DS2A), LC407EM1]