Read LG 32LH7000 / 32LH7020 / 32LH7030 (CHASSIS:LD91D) Service Manual online
ISP_TXD
EEPROM_SDA
USB_DM
USB_DP
FE_TUNER_SDA
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
HY27US08121B-TPCB
IC102
NAND FLASH
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
PRE
39
NC_23
40
NC_24
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_25
46
NC_26
47
NC_27
48
NC_28
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
R/B
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
KRC103S
Q100
OPT
E
B
C
+3.3V
PCM_A[0-14]
+3.3V
+3.3V
SPI_DI
/PF_CE0
SPI_CS
+3.3V
KRC103S
Q101
E
B
C
+3.3V
+3.3V
+3.3V
S6_Reset
FE_TUNER_SCL
SDA0
SCL0
EEPROM_SCL
SCL1
SDA1
SDA_SUB/AMP
SCL_SUB/AMP
TDA9996_SDA
TDA9996_SCL
SCL1
SDA1
Flash_WP_1
22
R140
22
R141
0
R128
0
R126
0
R129
0
R127
0
R100
0
OPT
R102
15K
R197
R197
OPT
15K
R196
OPT
EEPROM_SDA
1M
R193
0
R172
22
AR102
22
AR103
/PF_CE0
/PF_CE1
/PF_OE
/PF_WE
PF_WP
PF_ALE
/F_RB
22
AR100
22
AR101
/F_RB
/PF_OE
/PF_WE
/PF_CE1
PF_ALE
PF_WP
PCM_A[0-7]
SPI_CS
SPI_CK
SPI_CK
SPI_DO
+3.3V_ST
OPT
1
2
4
3
0
R101
SPI_DO
SPI_DI
PCM_D[0-7]
PCM_RST
/PCM_OE
/PCM_REG
/PCM_WE
/PCM_IOWR
/PCM_IORD
/PCM_CE
/PCM_CD
/PCM_WAIT
/PCM_IRQA
PCM_5V_CTL
MEMC_SDA
MEMC_SCL
0
R131
0
R130
FE_DEMOD_SDA
SCL0
FE_DEMOD_SCL
0
R122
SDA0
0
R123
CI_TS_DATA[0-7]
IR
A_DIM
1uF
OPT
C110
0
R146
POWER_ON_PM4
+3.3V_ST
100
R181
PANEL_CTL
SUB_WARM_ST
SB_MUTE
INV_CTL
100
R159
SC_RE2
SIDE_HP_MUTE
SC2_MUTE
VGA_EEPROM_WP
Flash_WP_1
100
R155
100
R157
NTP_MUTE
100
R190
HP_DET
AMP_RST
ERROR_OUT
1
0
0
R183
100
R166
SC_RE1
KEY2
KEY1
BUF_TS_VAL_ERR
BUF_TS_SYN
BUF_TS_CLK
BUF_TS_DATA[0]
CI_TS_CLK
CI_TS_SYN
CI_TS_VAL
22
R170
22
R169
100
R188
MODEL_OPT_1
MODEL_OPT_2
FE_BOOSTER_CTRL
USB_OCD
100
R192
USB_CTL
FE_ANT5V_MONITOR
PWM1
PWM0
PWM0
+3.3V
PWM1
PWM0
DBG_RX
+3.3V
+5V_GENERAL
FE_TUNER_SCL
FE_TUNER_SDA
BT_DM
BT_DP
0.
1u
F
C104
0.1uF
C106
0.1uF
C100
0.
1u
F
C103
0
R178
0
R179
0
R173
33
R1513
33
R1514
33
R1515
33
R1516
33
R1510
33
R1517
33
R1511
33
R1518
33
R1512
33
R1519
100
R186
1
0
0
R177
100
R182
100
R156
100
R184
100
R160
100
R185
1K
R199
OPT
1K
R198
1K
R112
OPT
1K
R105
OPT
1K
R1501
1K
R1500
OPT
1K
R106
10K
R113
OPT
10K
R103
10K
R109
10K
R104
10K
R108
10K
R195
3.9K
R111
33
R1524
33
R1525
33
R1526
33
R1530
4.7K
R1533
R1533
+3.3V
SDA0
SCL0
SDA1
EEPROM_SCL
EEPROM_SDA
EEPROM_SCL
1K
R1539
R1539
1K
R1540
SCL1
BLM18PG121SN1D
L102
SMW250-04
P102
OPT
1
2
3
4
ISP_TXD_TR
ISP_RXD_TR
ISP_RXD
MODEL_OPT_3
MX25L3205DM2I-12G
IC103
SPI_Boot_Mem
3
WP#
2
SO
4
GND
1
CS#
5
SI
6
SCLK
7
HOLD#
8
VCC
M24512-WMW6
IC105
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
0
R151
12MHz
X100
PCM_D[6]
PCM_D[5]
/PCM_CE
PCM_A[10]
0
R139
PCM_A[11]
0
R134
0
R138
0
R133
0
R136
0
R137
0
R135
/PCM_OE
PCM_D[7]
DBG_RX
DBG_TX
22
R142
22
R143
HP_AU_SW
BT_ON/OFF
TP153
OPC_EN
22
R1534
+12V
+5V_GENERAL
POWER_DET
+3.3V_ST
L103
1.2K
R1506
R1506
1.2K
R1507
R1507
0
R165
0
R162
0
R163
0
R164
0
R1537
0
R1538
0
R1535
0
R1536
DBG_TX
LED_ON
0
R150
100
R180
BT_AU_SW
1.2K
R1504
R1504
1.2K
R1505
R1505
MODEL_OPT_0
MODEL_OPT_0
MODEL_OPT_1
MODEL_OPT_2
MEMC_RESET
FE_AGC_SPEED_CTL
/FE_RESET
MODEL_OPT_3
100
R1600
100
R1601
0
R168
0
R189
0
R1602
+3.3V
1K
R1609
R1610
OPT
R1607
OPT
R1605
OPT
R1608
OPT
R1603
OPT
R1604
OPT
2SC3052
Q102
E
B
C
2SC3052
Q103
E
B
C
1
0
u
F
6.3V
C105
100
R167
20pF
C111
20pF
C112
1.2K
R1503
R1503
1.2K
R1502
R1502
10K
R144
2.2uF
C109
0
R148
+24V
PWM2
+3.3V
100
R153
PWM_DIM
PWM2
OPT
R154
0
R149
R158
OPT
+3.3V_ST
2SC3052
Q105
E
B
C
POWER_ON_DELAY
2SC3052
Q107
E
B
C
+3.3V_ST
10K
R116
S6_Reset
4.7K
R114
10K
R118
100
R117
4.7uF
10V
C107
10uF
6.3V
C108
0
R119
R110
OPT
R1541
OPT
1/10W
30K
1%
R1566
1/10W
5.1K
5%
R1567
+5V_ST
POWER_DET
4.7K
R1606
10K
R1554
OPT
R1532
R1565
OPT
1K
R1553
1K
R1549
12K
1%
R1550
SC1_MUTE
MAX810RTR
IC106
1
GND
3
VCC
2
RESET
NCP803SN293
IC107
1
GND
3
VCC
2
RESET
TP154
TP155
R1509
OPT
R1508
OPT
+12V
OPT
R1544
IC100
LGE3369A (Saturn6 Non RM)
HWRESET
D4
PCMD0/CI_D0
AC16
PCMD1/CI_D1
AA15
PCMD2/CI_D2
AA16
PCMD3/CI_D3
AC6
PCMD4/CI_D4
Y10
PCMD5/CI_D5
Y11
PCMD6/CI_D6
Y12
PCMD7/CI_D7
Y13
PCM_A0/CI_A0
AB16
PCM_A1/CI_A1
AC15
PCM_A2/CI_A2
AC14
PCM_A3/CI_A3
AB14
PCM_A4/CI_A4
AC12
PCM_A5/CI_A5
AB8
PCM_A6/CI_A6
AC13
PCM_A7/CI_A7
AA9
PCM_A8/CI_A8
AB5
PCM_A9/CI_A9
AA4
PCM_A10/CI_A10
V4
PCM_A11/CI_A11
Y4
PCM_A12/CI_A12
AB9
PCM_A13/CI_A13
AA7
PCM_A14/CI_A14
AD6
PCM_RST/CI_RST
AA14
PCM_CD/CI_CD
AB18
/PCM_OE
Y5
PCM_REG/CI_CLK
AB15
PCM_WAIT/CI_WACK
AA10
/PCM_IRQA
AC8
/PCM_WE
AC7
PCM_IOWR/CI_WR
AA5
PCM_IOR/CI_RD
W4
/PCM_CE
T4
/PF_CE0
AE6
/PF_CE1
AF6
/PF_OE
AA12
/PF_WE
AA11
PF_ALE
AC9
PF_AD15
Y14
F_RBZ
AB11
UART2_TX/SCKM
F8
UART2_RX/SDAM
D11
DDCR_DA
AB21
DDCR_CK
AC21
DDCA_CLK
J1
DDCA_DA
J2
UART_RX2
W5
UART_TX2
V5
PWM0
AB13
PWM1
AB12
PWM2
AD12
PWM3
AA13
SAR0
A4
SAR1
B4
SAR2
F4
SAR3
E4
IRIN
C4
GPIO44
AC11
GPIO96
D9
GPIO88
D10
GPIO90/I2S_OUT_MUTE
D7
GPIO91
E11
GPIO97
E8
GPIO98
E10
GPIO99
D6
GPIO103/I2S_OUT_SD3
D5
GPIO102
C5
XIN
B3
XOUT
A3
TESTPIN/GND
E6
SPI_DI
AE11
SPI_DO
AF12
/SPI_CS
AE12
SPI_CK
AD11
USB_DP_1
B5
USB_DM_1
A5
USB_DM_2
AC10
USB_DP_2
AB10
GPIO_PM0/GPIO134
E5
GPIO_PM1/GPIO135
F5
GPIO_PM2/GPIO136
G5
GPIO_PM3/GPIO137
H5
GPIO_PM4/GPIO138
F6
GPIO_PM5/INT1/GPIO139
G6
GPIO_PM6/INT2/GPIO140
H6
GPIO131/LDE/SPI_WPn1
AC17
GPIO130/LCK
AB17
GPIO132/LHSYNC/SPI_WPn
AF11
GPIO60/PCM2_RESET/RX1
AA18
GPIO62/PCM2_CD_N/TX1
AA17
LHSYNC2/I2S_OUT_MUTE/RX1
E7
LVSYNC/GPIO133
AC18
GPIO79/LVSYNC2/TX1
C6
UART2_RX/GPIO84
F9
UART2_TX/GPIO85
F10
UART1_RX/GPIO86
A6
UART1_TX/GPIO87
B6
GPIO42/PCM2_CE_N
AF5
GPIO43/PCM2_IRQA_N
AF10
TS0_D0
AA8
TS0_D1
Y8
TS0_D2
Y9
TS0_D3
AB7
TS0_D4
AA6
TS0_D5
AB6
TS0_D6
U4
TS0_D7
AC5
TS0_SYNC
AC4
TS0_VLD
AD5
TS0_CLK
AB4
TS1_D0
AB19
TS1_SYNC
AA20
TS1_VLD
AC19
TS1_CLK
AA19
ET_TXD0
C10
ET_TXD1
B11
ET_TX_CLK
A9
ET_RXD0
C11
ET_RXD1
C9
ET_TX_EN
B10
ET_MDC
A10
ET_MDIO
B9
ET_COL
A11
GPIO67
A7
GPIO68
B8
1.1K
R1551
10K
R1552
2.2K
R1561
22
R1563
22
R1572
22
R1571
8pF
C102
8pF
C101
2.7K
R124
2.7K
R125
TP125
0.1uF
16V
C113
OPT
PCM_A[0]
PCM_A[1]
PCM_A[2]
PCM_A[3]
PCM_A[4]
PCM_A[5]
PCM_A[6]
PCM_A[7]
PCM_A[7]
PCM_A[6]
PCM_A[5]
PCM_A[4]
PCM_A[0]
PCM_A[1]
PCM_A[3]
PCM_A[2]
PCM_A[8]
PCM_A[9]
PCM_A[10]
PCM_A[12]
PCM_A[13]
PCM_A[11]
PCM_A[14]
PCM_D[0]
PCM_D[1]
PCM_D[2]
PCM_D[3]
PCM_D[4]
PCM_D[5]
PCM_D[6]
PCM_D[7]
CI_TS_DATA[0]
CI_TS_DATA[1]
CI_TS_DATA[3]
CI_TS_DATA[2]
CI_TS_DATA[5]
CI_TS_DATA[4]
CI_TS_DATA[7]
CI_TS_DATA[6]
EEPROM
USB
Serial FLASH MEMORY
for BOOT
I2C
NAND FLASH MEMORY
10 : BOOT 51
11 : BOOT RISC
MCU BOOT STRAP
1 10
FLASH/EEPROM/GPIO
MSD3369GV Platform
/PF_CE0
H : Serial Flash
L : NAND Flash
/PF_CE1
H : 16 bit
L : 8 bit
PM GPIO Assignment Recommended by MStar
ISP Port for MEMC
5V Tolerance
Interrupt for ISP Wake up in STB Mode
08/12/19 (MP)
POWER DETECT
MODEL OPTION
MODEL_OPT_0 (D6) : LCD (H) / PDP (L)
MODEL_OPT_1 (D7) : FRC (H) / NO FRC (L)
NCP810 : Open Drain
MAX810 : CMOS
PULL UP is applied on the FRC
PULL UP is applied on the JACK
JTINT
/JTRST
JTCK
JTMS
JTDO
JTDI
/RST
MODEL_OPT_2 (E11) : LED NORMAL (H)
NO LED NORMAL (L)
MODEL_OPT_3 (B9) : FHD (H) / HD (L)
SCHEMATIC DIAGRAM
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