Panasonic TC-32LX85N Service Manual page 25

9.3. Block (3/3) Diagram
A-BOARD
1
2
3
4
Digital Video signal
5
Digital Audio signal
6
SBO2
SERIAL SBI2
7 SERIAL I/F
CH0 TS Serial
8
IIC1
IIC2
SUB3.3V BUS
IC8503
CONTROL
IIC3
EEPROM
IC8502
FLASH
Ex BUS
MEMORY
X8001 27MHz
74MHz
CLOCK GEN 27MHz
Control voltage
IC8004
9 SUB3.3V
10 SUB1.2V
SUB1.8V
IC8002
DDR2 SDRAM DDR2 I/F
11 SUB1.8V
12 PANEL_ON
IC5017
13 RESET
IC4008
BUFFER
14
15
16
LCD PANEL
PANEL
PANEL
CONTROL
BACK LIGHT
INVERTER CIRCUIT
17 INV+24V
INV_SOS
TC-32LX85N
Block (3/3) Diagram
SOUND15V
IC4007
SUB3.3V
SEL
IC8001 Peaks-Lite2p
(MAIN MCU+VIDEO SIGNAL PROCESSOR)
HDMI_OPT_ENB
SPDIF
AUIDO
PROCESS
SD I/F
VIDEO
DTV Decord
PROCESS
*SCALING
*IP CONVERTER
*PICTURE CORRECT
*OSD MIX
INV_PWM
PWM
ADIM
CONTROL
INV_ON
LVDS I/F
INV_SOS
A2
PANEL+12V 28
29
31
7
LVDS
20
A16
INV_ON
INV_ON 3
ADIM
CURRENT 2
INV_PWM
INV_PWM 4
INV_SOS
INV_SOS 5
INV_SOS
(LED 1 TIME)
IC2301
AUDIO AMP
SOS
A5
+15V
L(+)
1
SPEAKER(L)
L(-)
2
SPEAKER
R(+)
OUT
3
SPEAKER(R)
R(-)
4
D2251
OPT.Audio out
SUB3.3V
A20 SD CARD SLOT
4 +3.3V(S)
7 SD DATA0
8 SD DATA1
SD CARD
9 SD DATA2
1 SD DATA3
FOR
FACTORY
A10
USED
FOR
FACTORY
A13
USED
FOR
FACTORY
A14
USED
FOR
FACTORY
A19
USED
25
TC-32LX85N
Block (3/3) Diagram