Panasonic TH-37PV70FA / TH-37PV70PA / TH-37PX70BA / TH-37PX70EA / TH-42PV70FA / TH-42PV70PA / TH-42PX70BA / TH-42PX70EA Simplified Service Manual ▷ View online
4.5. DG-Board (3 of 4) Block Diagram
SDA2
SCL2
AA_XIRQ2
CH0VAL
MDO4
MDO3
MDO2
CH0DATA
MDO6
CH0CLK
MDO1
CH0PSYNC
MDO5
MDO7
VI1P20
CH0CLK
CH0DATA
CH0PSYNC
CH0VAL
SRCK0
DMIX0
IECOUT0
D
A
UDIO
LRCK0
SCL3
SDA3
SD
A1
SCL0
SCL3
SD
A3
SCL1
SD
A0
SD
A2
SCL2
D
VB_CVBS
SBO2
SBI2
SBO0
SBI0
XIRQ3
VMUTE
P
ANEL_SOS
P
ANEL_ST
A
TUS
VI2ENB
ADCCK
SLRCK
SD_BOO
T_STS
AA_FE_XRST
IS0PSYNC
SDA1
SCL1
DTV_XRST
CLK74SEL
DTV_VOUTENB
DTV9V
SUB1.2V
SUB3.3V
SUB1.8V
SUB5V
SUB3.3V
1.8V
SUB5V
SUB3.3V
SUB3.3V
SUB5V
SUB3.3V
SUB5V
LRCK0
IECOUT0
SRCK0
D
A
UDIO
MVD
A
CO3
DMIX0
SUB3.3V
3.3V
SCL1
SD
A0
SBT0
SCL0
ECS3
SD
A1
SBT2
ECS5
CK27D
CLK74
VC27
CK27
SBO0
SBO2
SBI2
SBI0
XIRQ3
DSRCK
VI2P21
VI2P10
VI2ENB
ADCCK
SLRCK
ADIN
XIRQ2
XECS6
XRST
Q8402
Q8401
SUB3.3V
X8301
MAIN3.3V
VOUTENB
SUB3.3V
SUB5V
1
RESET
2
PEAKES LITE2 RESET
Analog
Video
I/F
Video
I/F
CLOCK GEN
DDR
IC8002,03
1.8V
74M
CLOCK GENE.
27M
4
9
7
S2
14
VIN
SUB3.3V
IC8004
IF_AGC
IFD1
IFD2
SDA
DVB TUNER
BM
BB
SCL
TU8301
15
16
14
17
18
11
3
31
30
42
35
36
/VIN
VIN
AGC1
CLK2
DATA2
+1.8V
1
8
IC8302
+1.8V
5
DATA1
4
CLK1
6
/IRQ
9
RESET
61
58
57
56
53
52
51
50
49
48
47
IC8301
FRONT END
IC8404,05
TS BUFFER
DATA0-7
45
61
10
50
30
41
56
21
59
51
IREQ#
29
6
CH0VAL,CH0CLK
57
MDO3-MDO7
36
VCC
JK8401
MDO0-MDO2
RESET
7
19
A0~A14
16
64
CE1#
CD1#,CD2#
58
MISTRT
52
(COMMON
9
OE#,WE#
MCLK0,WAIT#
46
REG#
18
INTERFACE)
53
IORD#,IOWR#
66
37
CI SLOT
2
D0~D7
Vpp1,Vpp2
63
67
ENOUT,PKTSTOUT
62
15
MDI0~MDI7
CH0SYNC
8
44
20
32
47
17
14
MIBAL,MCLKI
BUFFER
IC8409
IC8402
BUFFER
IC8406,IC8407
EA1-EA15
BUFFER
ADDRESS
ED0-ED7
DATA
IC8401
CONTROL
CONTROL
DATA0-7
BUFFER
IC8408
DATA BUFFER
4
FAULT
1
SUB 5V
VIN
CARD 5V
VOUT
3
IC8403
6
EN
CI_POWER_ON
CI_OCP
PEAKS_Lite 2
IC8001
CI
PARALLEL
TS
PARALLEL
TS
IC8621,22
D-LATCH
NOR FLASH
IC8554
DATA0-7
ExBUS
TUNER SERIAL TS
SPDATA
Comp
.
with A
UDIO DESCRIPTION D
A
T
A
MAIN A
UDIO D
A
T
A
DIGIT
AL A
UDIO
COMMON LR/SR CLK
for PHO
T
O
OUT
AUDIO IF
CPU BUS I/F
POD,CI I/F
CH,IS IF
EEPROM
8
7
6
5
EEPR
OM_WP
VCC
WC
SCL
SDA
SDCD
SLOT
SD CARD
7
5
4
SDCMD
D
.SW
SDCLK
SDCMD
SDD
A
T
3
SD
A
T
2
SDCLK
3.3V
SD
A
T
0
SD
A
T
1
SD CARD
SDD
A
T0
SD
WP
8
9
SD
A
T
3
W.
P
.
2
JK8801
1
SD CARD I/F
IIC I/F
COFDM DEMODULATOR
LVDS I/F
FOR ADV7493
SERIAL I/F
HDMI_IRQ
VMUTE
P
A
NEL_ST
A
T
US
P
A
NEL_SOS
RSV1(SD_ERR
OR)
RSV2(SDRAMCHK2)
RSV3(SDRAM_CHK1)
COMMON PORT .etc
SDBOO
T
FE_IRQ
PORT14[1]
I2C
I2C
I2C
VDD
DG
DIGITAL SIGNAL PROCESSOR
IC8601
IC5660
23
24
IN
OUT
XTO
XTI
20.48MHz
VCC
TEMP.SENSOR
IC4800
1
6
4
SCL
SDA
I2C
TCLK1N/P
T
A1N/P
TB1N/P
TC1N/P
TD1N/P
TE1N/P
DDR I/F
MMDQ0-31
MMA0-12
VI1P9-2,27,26(UVIN9-0)
VI1P19-12,29,28(YIN9-0)
VI1P25-22(RIN3-0)
VI1ENB
VI1CLK
OUT
,VI1CLK
VI1VSYNC
,VI1HSYNC
CHDI0-CHDI7
CHCLK,CHVAL,CHSYNC,SMTCMD0,SMTSEL0,SMTCLK0,XPDWT
REG,XPDWE,IOWE,IORD,XPDOE,XPDCE1
ED15-ED0
(DEMPX)
EA23-EA8
CI_XRST
XRST
EA1-EA23
ED0-ED15
VI2P20
HSDIN0
HSDIN7
EAA1-EAA15
DA0-DA7
CI_XRST
CVDD
VDD
VI1P20
ISOPSYNC
EA1-EA7
ED0-ED7/EA8-EA15
ED8-ED15/EA16-EA23
BA/EA ONLY
14
12
13
11
27
26
24
23
22
21
25
TH-37/42PV70FA/PA, TH-37/42PX70BA/EA
DG-Board (3 of 4) Block Diagram
DG-Board (3 of 4) Block Diagram
TH-37/42PV70FA/PA, TH-37/42PX70BA/EA
DG-Board (3 of 4) Block Diagram
DG-Board (3 of 4) Block Diagram
TH-37PV70FA / TH-37PV70PA / TH-37PX70BA / TH-37PX70EA / TH-42PV70FA / TH-42PV70PA / TH-42PX70BA / TH-42PX70EA
13
4.6. DG-Board (4 of 4) Block Diagram
+
+
++
SBO2
SBI2
SCL
SDA
SLRCK
SDA
SCL
7493_XRST
HPD1
HDMI_5V_DET1
RF_AFT1
QLINK_AV3
QLINK_AV2
VIDEO_STATUS
AUDIO_XRST
SP_MUTE
AUDIO_MUTE
SOUND_SOS
SOS
STB_RST
SBI0
G_LED_ON
R_LED_ON
RMIN
KEY1
STB_LED_ON
HDMI_CEC
VI2ENB
ADCCK
TA1N
TA1P
TB1P
TC1N
TCLK1P
VMUTE
TD1N
SCL0
TE1N
IIC_CONT
PANEL_SOS
PANEL_RXD
PANEL_STATUS
PANEL_TXD
PANEL_SCL
PANEL_SDA
SDA0
TB1N
TC1P
TCLK1N
TD1P
TE1P
SBO0
PANEL_RXD
SCL0
SDA0
PANEL_TXD
PANEL_SCL
SBI0
IIC_CONT
PANEL_SDA
SBO0
SCL3
SDA3
ECO_ON
ALL_OFF
CLK74SEL
DTV_XRST
DTV_VOUTENB
SD_BOO
T_STS
TV_MAIN_ON
SCL3
SDA
SCL
SDA2
SCL2
SDA1
SCL1
SDA3
STB_LED_ON
KEY1
R_LED_ON
G_LED_ON
RMIN
ALL_OFF
ECO_ON
TV_SUB_ON
TV_SUB_ON_DELAY
C5691
MAIN3.3V
R5697
Q5690
Q5692
R5696
SUB5V
C5690
Q5691
MAIN5V
D5691
C5694
D5690
Q5693
C5695
SUB3.3V
STB5V
D5670
D5673
D5671
SUB5V
STB3.3V
STB3.3V
SUB5V
MAIN9V
MAIN3.3V
X1100
MAIN5V
DTV9V
Q1107
Q1108
SUB1.2V
DTV9V
SUB3.3V
SUB1.8V
STB5V
SUB5V
STB5V
STB3.3V
MAIN3.3V
STB5V
SUB5V
STB3.3V
DTV9V
Q5604
Q5603
D5609
Q2000
Q2001
RSV3(LITE2)
GenX4
MAIN3.3V
MAIN5V
MAIN+5V
ON/OFF
5
+3.3V
AVR
1
(STB)
IC5670
STB+3.3V
MAIN+3.3V
ON/OFF
RSV1(LITE2)
SUB5V_SENSE
SBI0A
63
64
52
33
34
35
SBO0A
MAIN3.3V_SENSE
66
67
83
84
10MHz
MAIN9V_SENSE
110
93
30
DTV9V_SENSE
27
MAIN5V_SENSE
RSV2(LITE2)
24
8
7
6
5
28
GenX-EEP_WP
IC1101
EEPROM
69
7493_XRST
HDMI_5V_Det1
36
53
HPD1
HDMI_CEC
65
HDMI_CEC_PU_ON
21
46
TV_MAIN_ON
RF_AFT1
111
119
120
VIDEO_STATUS
58
AUDIO_XRST
68
ECO_ON
2
126
127
AUDIO_MUTE
A_MON_MUTE/SP_MUTE
SOUND_SOS
118
SOS
114
25
ALL_OFF
125
SD_BOO
T_STS
IC1100
SDA
WC
SCL
VCC
(SUB)
SUB+1.8V/SUB+1.2V
DC-DC CONV.
IC5601
+3.3V
8
(SUB)
+1.8V
3
12
23
16
17
(SUB)
23
DC-DC CONV.
SUB+3.3V
+1.2V
IC5600
2
RESET
STB RESET
1
IC5671
89
G_LED_ON
45
KEY1
115
87
REMOTE
R_LED_ON 49
QLINK2
QLINK1
I2C
23
24
Rx1-(RB-)
26
27
29
Rx2+(RC+)
Rx2-(RC-)
IIC_SDA2
IIC_CONT
PANEL_STATUS(READY)
Rx0-(RA-)
IIC_SCL2
TXD
PANEL_STBY_ON
PANEL_SDA(IIC_SDA1)
1
Rx4+(RE+)
2
3
4
6
7
9
10
11
12
30
31
DG5
Rx4-(RE-)
RXD
RxCLK+(RCLK+)
17
Rx3+(RD+)
I2C
GND(INEXCH)
Rx3-(RD-)
RxCLK-(RCLK-)
Rx0+(RA+)
PANEL_SCL(IIC_SCL1)
PANEL_SOS(ALRAM)
Rx1+(RB+)
PANEL_MUTE(DISPEN)
14
15
18
19
20
21
TO D5
7
(Device Control)
8
Panel_TXD
9
10
12
Panel_RXD
IIC_CONT
Ex IIC
Panel_SDA
LITE2_SCL0
21
STB5V
LITE2_SDA0
22
24
DG34
1
2
I2C
4
5
6
STB3.3V
Panel_SCL
(Panel Dpr.E2PROM)
IIC_CONT/SRQ
(Panel Dpr.E2PROM)
(Device Control)
ACTIVE_STBY_LED_ON
3
2
1
JK8702
SUB5V
SBO0
SBI0
40
39
FOR
FACTORY
USED
FACTORY
USED
FOR
FACTORY
USED
FACTORY
USED
DG
DIGITAL SIGNAL PROCESSOR
SOS LED BLINKING : 10TIMES
SOS LED BLINKING : 12TIMES
SOS LED BLINKING : 10TIMES
SBI0
SBO0
MAIN3.3V
NRST
124
DTV_XRST
16
DTV_VOUTENB
88
CLK74SEL
(GenX4 Loarder/E2PROM)
(Device Control)
GenX4_SDA
LITE2_SDA1
LITE2_SDA3
GenX4_SCL
LITE2_SDA2
(Lite2 E2PROM)
(Device Control)
LITE2_SCL2
6
LITE2_SCL3
7
8
9
I2C
10
11
DG
33
33
(Lite2 E2PROM)
(Device Control)
LITE2_SCL1
(Device Control)
SRQ
FOR
FACTORY
USED
FACTORY
USED
1
2
STB5V
4
(GenX4 Loarder/E2PROM)
5
DG1
SUB5V
1
RMIN
4
6
7
2
3
TO K1
ACTIVE_STBY_LED_ON
STB3.3V
12
R_LED_ON
G_LED_ON
KEY1
Q5601
Q5602
Q5602
Q5600
SDA1
SCL1
SDA0
SCL0
NBOOT 92
26
SRQ_GENX
PANEL_STBY_ON
105
OSCXI
OSCXO
ALL_OFF
25
ECO_ON
2
TV_SUB_ON
1
71
TV_SUB_ON_DELAY
27
26
24
23
25
22
21
TH-37/42PV70FA/PA, TH-37/42PX70BA/EA
DG-Board (4 of 4) Block Diagram
DG-Board (4 of 4) Block Diagram
TH-37/42PV70FA/PA, TH-37/42PX70BA/EA
DG-Board (4 of 4) Block Diagram
DG-Board (4 of 4) Block Diagram
TH-37PV70FA / TH-37PV70PA / TH-37PX70BA / TH-37PX70EA / TH-42PV70FA / TH-42PV70PA / TH-42PX70BA / TH-42PX70EA
14
4.8. DG-Board (2 of 16) Schematic Diagram
+
+
MDO4
MDO7
MDO5
AD_SD
A
2
MDO6
CH0PSYNC
AA_FE_XRST
CH0VAL
CH0DATA
MDO1
AA_XIRQ2
MDO2
MDO3
AD_SCL2
CH0CLK
*R8301
EXB2HV680JV
*C8332
25V
0.01u
*C8320
25V 0.01u
*C8334
25V
0.01u
*R8318
4.7k
*C8338
50V
22p
22p
*R8329
47k
*R8307
4.7k
*L8301
J0JHC0000045
*IC8302
C0CBCAD00082
1
V
out
2
NC
3
Cn
4
GND
5
Cont
6
NC
7
NC
8
Vin
*C8331
25V 0.01u
*C8301
25V
0.01u
*C8330
25V
0.01u
*L8304
J0JHC0000045
SUB3.3V
*C8321
25V 0.01u
*C8335
25V
0.01u
*R8327
68
*C8329
25V
0.01u
*R8323
47k
*R8309
100
*C8322
16V
0.1u
*R8305
22k
*R8326
68
*C8312
50V
12p
12p
*C8313
25V
0.01u
*X8301
H0J204500006
*IC8301
C1AB00002710
1
Vss
2
Vdd
3
Vss
4
CLK1
5
DA
T
A
1
6
IRQ
7
CVdd
8
Vss
9
RESET
10
SLEEP
11
ST
A
TUS
12
SADD4
13
Vdd
14
Vss
15
SADD3
16
SADD2
17
SADD1
18
SADD0
19
CVdd
20
Vss
21
PLLVdd
22
PLLGND
23
XTI
24
XTO
25
Vss
26
PLLTEST
27
OSCMODE
28
AVdd
29
AGnd
30
VIN
31
VIN
32
AG
n
d
33
Vdd
34
RFLEV
35
CLK2
36
DA
T
A
2
37
CVdd
38
Vss
39
CVdd
40
Vss
41
A
GC2/GPP2
42
A
GC1
43
GPP3
44
SMTEST
45
Vdd
46
Vss
47
MOSTRT
48
MOVAL
49
MDO0
50
MDO1
51
MDO2
52
MDO3
53
MDO4
54
Vdd
55
Vss
56
MDO5
57
MDO6
58
MDO7
59
CVdd
60
Vss
61
MOCLK
62
BKERR
63
MICLK
64
CVdd
*C8316
47u
16V
*R8306
4.7k
*C8328
16V
1u
*C8309
16V
0.1u
SUB5V
*C8323
50V
22p
*R8324
47k
*R8311
100
*C8324
50V
22p
*C8314
25V 0.01u
*C8340
25V
0.01u
*R8321
10k
10k
*C8327
16V
1u
16V
1u
*TU8301
ENV77M05D8F
1
Active_Antenna
2
NC
3
BB
4
[RF-AGC_Mon.]
5
NC
6
NC
7
[DC/DC]
8
[TU]
9
NC
10
NC
11
BM
12
NC
13
IFA1
14
SDA
15
SCL
16
IF-AGC
17
IFD2
18
IFD1
*R8304
100
*C8307
16V
0.1u
*C8304
16V
0.1u
*C8339
50V
22p
22p
*R8325
68
*R8312
100
*R8310
100
*R8303
100
*C8333
25V
0.01u
*C8306
50V
1000p
*C8336
25V
0.01u
*L8302
J0JHC0000045
*C8319
25V
0.01u
*R8315
100
*C8311
50V
15p
*C8325
25V
0.01u
25V
0.01u
*R8314
100
*R8308
10k
*C8310
100u
16V
*R8322
1k
R8328
10k
10k
20.48MHz
FE
1.8V
12
10
16
14
11
15
13
18
17
1
3
2
BA/EA ONLY
FA/PA ONLY
!
TH-37/42PV70FA/PA, TH-37/42PX70BA/EA
DG-Board (2 of 16) Shematic Diagram
DG-Board (2 of 16) Shematic Diagram
TH-37/42PV70FA/PA, TH-37/42PX70BA/EA
DG-Board (2 of 16) Schematic Diagram
DG-Board (2 of 16) Schematic Diagram
DG-BOARD (2/16)
TXNDG1PSTD (EA)
TXNDG1PSTE (FA)
TXNDG1PSTE (FA)
!
TXNDG1PSTB (BA)
TZTNP01PTTE (PA)
TH-37PV70FA / TH-37PV70PA / TH-37PX70BA / TH-37PX70EA / TH-42PV70FA / TH-42PV70PA / TH-42PX70BA / TH-42PX70EA
16
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