Panasonic TH37LRU20 - HOSPITALITY LCD HDTV, Service Manual

Page: 23 / 64

TH-42LRU20
23
9.3. Block (2 of 2) Diagram
(LED
1TIMES)
(LED
:
7TIMES)
(LED
:
9TIMES)
(LED
:
4TIMES)
C.A.T.S_SENSOR PWM_PWR_ON PANEL_VCC_ON TXD_3.3V RXD_3.3V BL_SOS R_LED_ON SOUND_SOS INV_ON SOUND_SOS KEY SUB_ON TXD_3.3V RXD_3.3V REMOTE INV_PWM PWM_PWR_ON INV_PWM LN_REG_ON TV_IR TV_CLK TV_DATA_IN TV_DATA_OUT KEY3
STB5V
SUB3.3V
STB3.3V
DTV12V
P17V
X8000
SUB3.3V
X8000
SUB5V
SUB5V
D2500A
Peaks sLD
INV_PWM
HDMI IN3
D3300
2
NAND
FLASH
3
(A Chip)
JK8850
STBY
AUDIO
OUT
RXD
(SIDE)
1Gbit
RS232C
HDMI IN1
IC3350
SOUND
DET
IC8921
TXD
TXD
RS232C TERMINAL
VCC
JK3350
RXD
3.3V<->5V
BUS
CONTROL
JK4702
D/A
27MHz
MAIN_L/R
PWM
AUDIO
PROCESSOR
32kbit
OPTICAL
AUDIO OUT
sLD_IIC1
HDMI 5V DET2
VIDEO
PROCESSOR
L(-)
(SIDE)
STMIIC1
HDMI IN2
AUDIO OUT
A12
TEMP SENSOR
(D Chip)
SOS/RST/STB3.3V/1.2V
HDMI 5V DET0
1
ANLOG
VIDEO
I/F
SPEAKER_R
DCDC
A/D
SD DATA
AVDDH+3.3V
(A Chip)
PWM CONTROL
[STM]
PWM
MUTE
JK4700
IC8001
HDMI I/F
RECEIVER
AVDD+3.3V
(A Chip)
OVP
DTV_R
LVDS DATA
IC1101
X OUT
DCPOWER CON
Peaks RESET
ANALOG VIDEO DATA
IC8305
SB I/O
D/A
+3.3V
DESCRAMBLE
PRO:Ideom
R(-)
IC8301
AUDIO AMP
IC8302
CLK
SERIAL
I/F
SOUND17V
OUT
SD DATA
NAND
I/F
SPEAKER_L
SW_OFFDET
HDMI 5V DET1
IC5000
CPU BUS
I/F
SOS DET
sLD_IIC1
OPTICAL
AUDIO OUT
STB RESET
IC5604
DCDC-CTL
(Y/PB/PR,R/G/B/H/V CVBS)
SPDIF-OUT
L(+)
16kbit
TMDS DATA
CLOCK
IC9980
EEPROM
IIC2
SUB5V DET
4
JK3351
JK4701
IC2301
IC5603
+3.3V
PWM-READY
TS Parallel
X IN
DTV_L
TMDS DATA
CLOCK
SOUND+17V
IC8950
EEPROM
DIGTAL
R(+)
SD CARD
TMDS DATA
CLOCK
SD
I/F
sLD_IIC1
SB I/O
FOR
FACTORY
USE
STMIIC1 CN0100 FOR
FACTORY
USE
CN8702
5
V10
RM2500A
6
V
POWER LED
1
A10
4
C.A.T.S.
SENSOR
POWER LED
REMOTE RECEIVER
C.A.T.S. SENSOR
3
7
REMOTE
RECEIVER
4
8
SN2500
5
2
DIGITAL SIGNAL PROCESSOR A
IIC_PRO
AUDIO OUT
1
2
3
4
7
5
8
6
9
10
11
12
13
14
15
16
17
SW
RESET
IC2900
(LED
1TIMES)
(LED
:
7TIMES)
(LED
:
9TIMES)
(LED
:
4TIMES)
::
DDC IIC
+5V
DDC IIC
+5V
HDMI_CEC HDMI_CEC HDMI_CEC
+5V
DDC IIC
STB3.3V
STBY
SOUND_SOS_DET
SOUND_SOS
STB1.2V
STB+3.3V
SW_OFFDET
RESET
DDC_IIC0
DDC_IIC0
STB+1.2V
HDMI
5V DET0-2
RESET
HDMI_CEC_PU_ON
DDC_IIC2
SIF_IN
HDMI_CEC
DDC_IIC1
DDC_IIC2
DDC_IIC1
KEYSCAN INV_ON PANEL_VCC_ON RXD_3.3V TXD_3.3V SUB+3.3V SENSE +1.8V R_LED_ON SUB_ON +1.2V C.A.T.S_SENSOR PWM PWR ON INV_PWM REMOTE SOUND SOS +3.3V BL_SOS DTV+12V SENSE TV_DATA_IN TV_DATA_OUT TV_CLK LN_REG_ON TV_IR KEYSCAN3
SUB5V
STB3.3V
REMOTE
C.A.T.S
R_RED_ON