LG 32LH2000 Service Manual page 15

+3.3V
NAND FLASH MEMORY
NC_1
1
/PF_CE0
NC_2
H : Serial Flash
2
L : NAND Flash
NC_3
/PF_CE1
3
H : 16 bit
NC_4
L : 8 bit
4
NC_5
5
NC_6
6
R/B
7
/F_RB
RE
8
/PF_OE
CE
9
/PF_CE0
NC_7
10
NC_8
C103 11
0.1uF
VCC_1
12
VSS_1
13
NC_9
14
NC_10
15
CLE
16
/PF_CE1
ALE
17
PF_ALE
WE
18
/PF_WE
WP
19
+3.3V NC_11
20
NC_12
21
NC_13
22
R151 0 NC_14
23
PF_WP
C NC_15
24
R1509
0 B Q100
KRC103S
OPT
OPT
E
IC103
+3.3V +3.3V
Serial FLASH MEMORY W25X32VSSIG
for BOOT
CS VCC
SPI_CS 1 8
+3.3V
$0.76
DO HOLD
R1530
SPI_DO 2 7
33
WP CLK
R101 0
3 6
C
GND DIO
R102 0 B
4 5
OPT
Q101
E
KRC103S
OPT
HDCP EEPROM
+3.3V
Addr:10101--
IC107
CAT24WC08W-T C114
R158
0.1uF
4.7K
A0 8 VCC
1
$0.199
A1 7 WP
R109 4.7K
2
A2 6 SCL 22
3 R161
VSS 5 SDA
4
R171 22
I2C +3.3V_TUNER
+5V_GENERAL
FE_TUNER_SDA
AI13;10:I9
AI13;10:I9 FE_TUNER_SCL
FE_DEMOD_SDA
10:I12
FE_DEMOD_SCL
10:I12
R130 0 100Hz
MEMC_SDA
11:J8
MEMC_SCL R131 0 100Hz
11:Q8
R128 0
SDA_SUB/AMP
7:F12;11:AG10
SCL_SUB/AMP R129 0
7:F13;11:AG9
POWER DETECT
+12V/+15V
+24V/+15V
15V/24V POWER_DET
12V POWER_DET
R1521
R1528
3.9K IC1500
2.7K
1%
1% KIA7042AF
I
1
2
26~(24V POWER_DET)
R1508
R1527
1.8K
1K
R1529
19~22
1%
1.8K
12V POWER_DET
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.
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
IC102
HY27US08121B-TPCB
+3.3V
C105
10uF 6.3V
NC_28
48
NC_27
47
PCM_A[0-7]
NC_26
46
NC_25
45 AR102
I/O7 PCM_A[7]
44
I/O6 PCM_A[6]
43
I/O5 PCM_A[5]
42
1386 WON
I/O4 PCM_A[4]
41
22
NC_24
40
NC_23
39
PRE
38
VCC_2
37
VSS_2 C106 0.1uF
36
NC_22
35
NC_21
34
NC_20
33
AR103
I/O3 PCM_A[3]
32
I/O2 PCM_A[2]
31
I/O1 PCM_A[1]
30
I/O0 PCM_A[0]
29
22
NC_19
28
NC_18
27
NC_17
26
NC_16
25
EEPROM IC105: EAN43352801(ATMEL SHRINK)
0IMMRMP008A(MICROCHIP)
IC105
+3.3V
M24512-WMW6
E0 VCC
1 8 C100
0.1uF
$0.418
E1 WC
2 7
SPI_CK
E2 SCL
R110 22
3 6
EEPROM_SCL
R100
VSS SDA
0
SPI_DI 4 5
EEPROM_SDA
C107 C108 R113 22
8pF 8pF
OPT
OPT
MCU BOOT STRAP
DIMMING
10 : BOOT 51
11 : BOOT RISC
+3.3V
A_DIM
R198 R1501
1K PWM_DIM
1K
PWM0
E16;T19;Y13
EEPROM_SCL
PWM1
C1500
1uF
R199 R1500 OPT
1K 1K
EEPROM_SDA
OPT
OPT
E16;T19;Y14
+3.3V
EEPROM_SDA
E16;E20;Y14
EEPROM_SCL
E16;E19;Y13
R122 0
SDA0 T21;Y14
R123 0
SCL0
T21;Y14
SDA0 T21;Y14
SCL0
T21;Y14
SDA1 AK12
SCL1
AK12
MODEL OPTION
+3.3V_ST
R1543 MEMC_RESET
10K
O
3
POWER_DET
FE_AGC_SPEED_CTL
G
/FE_RESET
VOLTAGE DETECTOR
*Mstar reset:Active high reset
+3.3V_ST
C102 10uF
6.3V
IC101
KIA7427F
VCC OUT
1 3
2
C101 R115
0.022uF GND
10K
16V
/PF_CE0
C4
/PF_CE1
E19;T19;Y13 D6
/PF_OE
C4
/PF_WE
E20;T19;Y14 D7
PF_ALE
D6
PF_WP
A7
/F_RB
C3
EEPROM_SCL
E16;E19;T19
EEPROM_SDA
E16;E20;T19
ISP_RXD
ISP_TXD
DBG_RX
R1545
100
PWM0
DBG_TX
R1544 100
PWM2
C1501
2.2uF
OPT
11:AE17
LED_ON/LED_R
R1550
SB_MUTE
7:G25;7:R15;9:AI24;9:AI25
+3.3V
FRC/LVDS_B
R1603 R1605 R1607 R1609
3.3K 3.3K 3.3K 3.3K
FHD LED_NORMAL
MODEL_OPT_0
R1600 100 MODEL_OPT_1
100Hz
OPT
R1601 100
MODEL_OPT_2 PIN NAME
R1611 100 MODEL_OPT_0
MODEL_OPT_3
NO_FRC/LVDS_A
MODEL_OPT_1
R1606
R1604
R1608 R1610
3.3K
3.3K 3.3K OPT
MODEL_OPT_2
LED_MOVING
HD
MODEL_OPT_3
IC100
LGE3368A (Saturn6 No-DivX)
0 R116
PCM_D[0-7]
D4
HWRESET
AC16
PCM_D[0]
PCMD0/CI_D0
PCM_D[1] AA15
PCMD1/CI_D1 TESTPIN/GND
AA16
PCM_D[2]
PCMD2/CI_D2
PCM_D[3] AC6
PCMD3/CI_D3
Y10
PCM_D[4]
PCMD4/CI_D4
PCM_D[5] Y11
PCMD5/CI_D5
Y12
PCM_D[6]
PCMD6/CI_D6
PCM_A[0-14] PCM_D[7] Y13
PCMD7/CI_D7
PCM_A[0]
AB16
PCM_A0/CI_A0
PCM_A[1]
AC15
PCM_A[2] PCM_A1/CI_A1
AC14
PCM_A2/CI_A2
PCM_A[3]
AB14
PCM_A[4] PCM_A3/CI_A3
AC12
PCM_A4/CI_A4 USB_DP_1
PCM_A[5]
AB8
PCM_A[6] PCM_A5/CI_A5 USB_DM_1
AC13
PCM_A6/CI_A6 USB_DM_2
PCM_A[7]
AA9
PCM_A[8] PCM_A7/CI_A7 USB_DP_2
AB5
PCM_A8/CI_A8
PCM_A[9]
AA4
PCM_A[10] PCM_A9/CI_A9
V4
PCM_A10/CI_A10
PCM_A[11]
Y4
PCM_A11/CI_A11
PCM_A[12]
AB9
PCM_A12/CI_A12
PCM_A[13]
AA7
PCM_A13/CI_A13
PCM_A[14]
AD6
PCM_A14/CI_A14
AA14
R1510 33
PCM_RST
PCM_RST/CI_RST GPIO_PM0/GPIO134
R1511 33 AB18
/PCM_CD
PCM_CD/CI_CD GPIO_PM1/GPIO135
Y5
R1512 33
/PCM_OE
/PCM_OE GPIO_PM2/GPIO136
R1513 33 AB15
/PCM_REG
PCM_REG/CI_CLK GPIO_PM3/GPIO137
AA10
R1514 33
/PCM_WAIT
PCM_WAIT/CI_WACK GPIO_PM4/GPIO138
R1515 33 AC8
/PCM_IRQA
/PCM_IRQA GPIO_PM5/INT1/GPIO139
AC7
R1516 33
/PCM_WE
/PCM_WE GPIO_PM6/INT2/GPIO140
R1517 33 AA5
/PCM_IOWR
PCM_IOWR/CI_WR GPIO131/LDE/SPI_WPn1
W4
R1518 33
AR100 /PCM_IORD
PCM_IOR/CI_RD GPIO130/LCK
R1519 33 T4
/PCM_CE /PCM_CE GPIO132/LHSYNC/SPI_WPn
AE6
/PF_CE0 GPIO60/PCM2_RESET/RX1
AF6
/PF_CE1 GPIO62/PCM2_CD_N/TX1
AA12
/PF_OE
22 AA11
AR101
/PF_WE
AC9
PF_ALE
Y14
PF_AD15
AB11
F_RBZ LHSYNC2/I2S_OUT_MUTE/RX1
22
LVSYNC/GPIO133
0 F8
R162
UART2_TX/SCKM GPIO79/LVSYNC2/TX1
0 D11
R163
UART2_RX/SDAM UART2_RX/GPIO84
0 AB21
R164
SDA0 DDCR_DA UART2_TX/GPIO85
0 AC21
R165
SCL0 DDCR_CK UART1_RX/GPIO86
UART1_TX/GPIO87
22 J1
R140
DDCA_CLK GPIO42/PCM2_CE_N
R141 22 J2
DDCA_DA GPIO43/PCM2_IRQA_N
R142 22 W5
UART_RX2
R143 22 V5
UART_TX2
TS0_SYNC
TS1_SYNC
AB13
PWM0
PWM0
AB12
PWM1
PWM1
AD12
PWM2 PWM2
R150 100 AA13
PWM3
OPT
A4
11:Y9 SAR0 ET_TX_CLK
KEY1
B4
11:Y10 KEY2 SAR1
F4
SAR2
100 E4
SAR3 ET_TX_EN
R146 0 C4
IR IRIN
11:X16;11:AD14
AC11
GPIO44
100 D9
9:AI24 SCART2_MUTE R156
GPIO96
100 D10
R157
7:F6 AMP_RST
GPIO88
D7
R189 0
MODEL_OPT_1
GPIO90/I2S_OUT_MUTE
E11
R168 0
MODEL_OPT_2
GPIO91
R160 100 E8
ERROR_OUT
8:C6 GPIO97
E10
NTP_MUTE R166 100
7:R15
GPIO98
R126 0 D6
MODEL_OPT_0 GPIO99
R148 100 D5
COMP_DET
GPIO103/I2S_OUT_SD3
R147 100 C5
DSUB_DET
GPIO102
MODEL OPTION
PIN NO. HIGH LOW
D6 LCD PDP
B9(FHD) FRC NO_FRC
D7
B9(HD) LVDS_B LVDS_A
E11 LED_NORMAL LED_MOVING
B9 FHD HD
080923_Time Delay
X100
C111
12MHz
20pF
R193
1M
B3
C112
XIN
A3 R172 0
XOUT
20pF
E6 R173 0
AE11
R1524 33 SPI_DI G12
SPI_DI
AF12
SPI_DO
SPI_DO
AE12
R1525 33 SPI_CS
/SPI_CS
AD11 R1526 33
SPI_CK
SPI_CK
REAR_USB
REAR_USB_DP 4:AJ6
REAR_USB_DM 4:AJ5
R196
R197
15K 15K
B5 R174 0 OPT OPT
A5
R175 0
AC10 R178 0
SIDE_USB_DM 4:AJ6
AB10
R179 0
SIDE_USB_DP 4:AJ5
R132 SIDE_USB
R133
15K 15K
OPT OPT
+3.3V_ST
PM GPIO Assignment Recommended by MStar
E5
WARM_LED_ON/LED_W 8:B11
F5 R1520 100
G5 R184
100 INV_CTL
8:M10
H5 R185 100
PANEL_CTL
8:Q8 OPT
100
F6 R182
R186 100 POWER_ON/OFF1 8:P5
G6
DBG_RX
H6
R1523 100
AC17 R188 100
LVDS_SEL 10:AA4
AB17
R167 100
FE_BOOSTER_CTL
10:AA4 OPT
R187 100
AF11 R159 100
Flash_WP_1
A11
AA18
R1535 0 SDA1
T22
AA17 R1536 0
SCL1
T22
E7 R1537 22
FE_TUNER_SCL
AC18 100
R1534 OPC OPC_EN
11:N20
C6 R1538 22
FE_TUNER_SDA
F9
F10
USB_OCD
4:AG3
A6 22
R169
5V_HDMI_1
B6 R170 22
5V_HDMI_2
AF5
PCM_5V_CTL
5:D24
AF10 R127 100 CI_TS_DATA[0-7]
AV_CVBS_DET
4:M4
AA8 CI_TS_DATA[0]
TS0_D0
Y8
CI_TS_DATA[1]
TS0_D1
Y9 CI_TS_DATA[2]
TS0_D2
AB7
CI_TS_DATA[3]
TS0_D3
AA6 CI_TS_DATA[4]
TS0_D4
AB6
CI_TS_DATA[5]
TS0_D5
U4 CI_TS_DATA[6]
TS0_D6
AC5
CI_TS_DATA[7]
TS0_D7
AC4
CI_TS_SYN
5:D10
AD5
CI_TS_VAL
TS0_VLD 5:D10
AB4
CI_TS_CLK
TS0_CLK 5:D10
AB19
BUF_TS_DATA[0] 5:V22
TS1_D0
AA20
BUF_TS_SYN
5:V22
AC19
BUF_TS_VAL_ERR 5:V21
TS1_VLD
AA19
BUF_TS_CLK
TS1_CLK 5:V21
C10 R154 100
SCART2_DET
ET_TXD0
B11 R177 100
ET_TXD1 SC_RE2 9:N25
A9 R183 100
9:N24
SC_RE1
C11
SIDE_HP_MUTE
ET_RXD0 7:G26
C9
HP_DET
ET_RXD1
B10
R190 100 EDID_WP
9:AI24
A10 R191 100
ET_MDC BIT_SEL 6:AI16;6:AL7;6:AL12
B9
OPT
MODEL_OPT_3
ET_MDIO
A11 R153 100
ET_COL SCART1_DET
+3.3V
R152
4.7K
OPT
A7 R192 100
GPIO67 USB_CTL 4:AL4
B8 R155
100
SCART1_MUTE 9:AI25
GPIO68
EAX60686904 2009.03.25
MAIN_1 1
LGE Internal Use Only
DBG_TX
POWER_DET
POWER_DET
ISP_TXD
11