LG 32LD320 Service Manual page 14

+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.
Downloaded From TV-Manual.com Manuals
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