Panasonic TX-37LZ80L Service Manual page 21

Control Block Diagram
A - BOARD
PC_H_IN
2
AV1_SLOW
14
AV2_SLOW
20
RGB_FB
27, 94
IC3001
AV-SW_SDA
28
8
AV1_SLOW
AV-SW_SCL AUDIO VIDEO
29
PC_HS SWITCH
32
10 PC_VS
AV1_QLINK
34
AV1_FB
76
AV2_FB
16 78
AV1_FB
ADV_XRST
96
PC_V_IN
100
AMUTE
1
IC2301
PWM_READY
3
AUDIO AMP
SOUND_SOS
Q2022 16
8
AV2_SLOW
10 IC2012
AV2_QLINK AMUTE
2
HP AMP
16
AV2_FB
MUTE SW
AUDIO_MUTE
Q2061
SP_MUTE
D2024
D2070
MON_MUTE
D2025
MONITOROUT_MUTE
PC_H_IN D2068 D2069
13
AMUTE
Q2066
PC_V_IN
14
AUDIO_MUTE
MUTE
15
Q2021
IC2106
Q2020
AUDIO
SOUND_SOS
PROCESSOR
ADAV_SDA
16
ADAV_SCL
17
PWM_READY
39
AUDIO_XRST
50
SDA2 ADV_SDA
R2000 R4658
ADAV_SDA
SCL2 ADV_SCL
R2001
R4657
ADAV_SCL
P - BOARD
TV_MAIN_ON SOUND17V
Q7026
PANEL 12V
PANEL_ON
Q7009
TV_SUB_ON
RL7030
Q7001
SOS
TV_SOS
Q7022
D7085 D7084
D7043 D7040
OVP_DET
D7042 D7039
T7002
LITE2-EEP_SDA
AV1-2 OUT MUTE
LITE2-EEP_SCL
MONITOROUT_MUTE
Q3004 Q3005
EEPROM_WP
Q3002 Q3003
XRST
Q3001 Q3000
DTV_XRST
ADV_SDA
9
ADV_SCL TMP-SENS_SCL
10
XIRQ3 TMP-SENS_SDA
16
ADV_XRS
64
PC_HS
65
PC_VS
66
IC4510
RGB_FB
67
C1AB00002901
DDCA_SCL
106
DDCA_SDA
107 DDCA_SDA
DDCB_SCL_AD
111
DDCA_SCL
DDCB_SDA_AD
112
EDID_WP
DDCC_SCL_AD
142
DDCC_SDA_AD
143
STB_RST
G72_NRST
DDCC_SCL_AD
2
IC4515 OVP
DDCC_SDA_AD
5
TV_SUB_ON
DDCC_SDA
3 DUAL BUS
DDCC_SCL
SWITCH
6
STB_RST
1,7 VIN
CLK74
DDCB_SCL_AD CK27
2
IC4514
DDCB_SDA_AD CLKGEN_S2
5
DDCB_SDA
3
DUAL BUS
DDCB_SCL
6 SWITCH
STB_RST
1,7
SDA2
R3130
AV-SW_SDA
SCL2
R3131
AV-SW_SCL
SDA3
SDA1 R8601 HDMI_CEC_PU_ON
LITE2-EEP_SDA
HDMI_CEC
SCL3
R8602
SCL1
LITE2-EEP_SCL
AI
SN2551
M - BOARD
D2501
LED
OUT
RM2501
REMOTE
P2
5
RM
3
2
4
V - BOARD
MAIN3.3V_SENSE
5
IC8601
MAIN9V_SENSE
6
EEPROM
SUB5V_SENSE
POWER DET
7
SUB3.3V_SENSE
DTV9V_SENSE
1 IC5660
RESET IC
GENX_EEP_SDA
5
IC1101
GENX_EEP_SCL
6
1 IC1000
EEPROM
GENX_EEP_WP
7
6
TEMP SENSOR
IC4203
FRCLKIN
5
LOGIC IC
5
IC4700
IC4201
TV_MAIN_ON
6 1
EEPROM
REGULATOR
7
7
IC7601
R1146
RESET IC
17
18
4 SP_MUTE
2
IC8004
7
AUDIO_MUTE
3
9
CLOCK GEN R_LED_ON
5
MICROPROCESOR
14 G_LED_ON
6
DDCB_SDA
10
DDCB_SCL
GENX_EEP_SDA
11
R1206
DDCC_SDA
SDA
12
DDCC_SCL
GENX_EEP_SCL 13
R1205
HPD1
14
SCL
HPD2
15
SBI2
17
SBO2
18
HDMI_5V_DET1
19
GENX_SDA0
20
D1107
GENX_SCL0
21
HDMI_5V_DET2
23
SRQ_GENX
26,71
SUB5V SENSE
27
SOS
28
TV_MAIN_ON
29
PANEL_STBY_ON
30
INVERTER_ON
31
RMIN
32
MAIN3.3V_SENSE
34
SUB3.3V_SENSE
35
MAIN9V_SENSE
36
HDMI_5V_DET4
37
14
MIHO_SCL
175
MIHO_SDA
176
FRCLKIN
172
BACK_VOUTENB
180
HQ_XRST
181
V_DISPEN
189
OSD_FLAG
202
EXCHANGE UNIT
21
TUNER_SCL
MIHO_SCL
Q2028
R4282
SCL2
SCL0
TUNER_SDA
Q2029
MIHO_SDA
R4281 SDA2
SDA0
TMP_SENS_SCL
TUNER_SCL
R1003 13
TU2901
TUNER_SDA
SCL1
14
RF_AFT1 TUNER
TMP_SENS_SDA
20
R1004
SDA1
GENX_SDA0
R1175
SDA3
GENX_SCL0
R1174
SCL3
INV_ADIM
Q4204
Q4206
PWM2
INV_PWM
Q4205 Q4203
PWM1
IS1CLK
AD5
SCL0
M2
SDA0
M1
SCL1
N5
AUDIO_XRST SDA1
43 N3
PeaksLite2
ADV_XRST SCL2
44 AD6
IC1100
BACK_VOUTENB SDA2
45 AB8
SCL3
HQ_XRST
AC4
47
SDA3
GENX_EEP_SDA
AD1
49
GENX_EEP_SCL XIRQ3
50 P1
GENX_EEP_WP XRST
51 D21 IC8001
TV_SUB_ON VI2CLK2
J1
52
VIN
J22
CLK74
DTV9V_SENSE
H25
54
CK27
DTV_XRST
K21,AD24
55
SBI2
A24
SBO2
VI2ENB
B23
57
VI2ENB
VOUTENB G3
58
VOUTENB
EDID_WP
H26
59
PWM2
HPD4
AD10
60
PWM1
SOUND_SOS
70 AE10
AUDIO_MUTE
G72_NRST
AB7
72
MON_MUTE
AI_SENSOR AF3
84
V_DISPEN
KEY K3
85
OSD_FLAG
L6
RF_AFT1
87
JTAG
AV1_QLINK
92
AV2_QLINK
93
HDMI_CEC_PU_ON
94
HDMI_CEC
95
INVERTER_SOS
99
CLKGEN_S2
100
17 18 19 20
IC4200
C1AB00002886
MIHO
LCD PANEL
HDMI_CEC
13
HDMI_CEC
DDCB_SCL_AD
15
SCL
DDCB_SDA_AD
16 SDA
Q4503 18 HDMI_5V_DET1
HPD1
19
HPD1
HDMI_CEC
13
HDMI_CEC
DDCC_SCL_AD
15
SCL
DDCC_SDA_AD
16
SDA
18
Q4502 HDMI_5V_DET2
HPD2
19 HPD2
HDMI_CEC
13
HDMI_CEC
DDCA_SCL
15
SCL
DDCA_SDA
16
SDA
Q4701
18
HDMI_5V_DET4
HPD4
19 HPD4
DATA
JK8801
SD SLOT
DATA BUS
IC8002
DDR2-0 SDRAM
DATA BUS
IC8003
DDR2-1 SDRAM
DATA BUS
IC8554
NOR FLASH
CN0100
SRQ_GENX
2
SCL
4
SDA
5
SCL3
6
SDA3
7