DOWNLOAD LG 32LD550 (CHASSIS:LA02B) Service Manual ↓ Size: 4.9 MB | Pages: 58 in PDF or view online for FREE

Model
32LD550 (CHASSIS:LA02B)
Pages
58
Size
4.9 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32ld550-chassis-la02b.pdf
Date
PREV: LG 32LD550 / 32LD558 / 32LD551 / 32LD559 / 32LD550N (CHASSIS:LD01B) Service Manual

LG 32LD550 (CHASSIS:LA02B) Service Manual ▷ View online

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.
URSA3 120Hz LVDS
09/10/xx
77    100
COMMON
PWM_DIM
RXC4-
P7700
TF05-51S
FRC_LVDS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXD3+
RXA3-
R7711
3.3K
JEIDA
R7708-*1 0
FHD_OPC
RXDCK-
RXD0+
RXB1-
RXACK+
RXB2-
RXD1-
RXA0-
RXD4-
RXC4+
RXBCK-
RXB0+
+3.3V_NORMAL
RXA3+
RXA4-
RXB3+
RXA2-
R7706
0
OPT
R7702
0
R7708
0
OPT
RXCCK+
RXB1+
RXC2+
RXA0+
RXD3-
RXCCK-
SCAN_BLK1/OPC_OUT
RXB4+
RXA1-
R7712
10K
VESA
RXBCK+
RXC1-
R7710
10K
8BIT
R7707
0
OPT
RXC1+
R7700
0
NON_LGD_22/NON_LED
OPC_OUT
RXC0-
RXA1+
RXA2+
RXB2+
RXACK-
RXD0-
RXD2+
R7701
0
NON_LGD_22/NON_LED
RXC3-
P7701
TF05-41S
FRC_LVDS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
RXB3-
SCAN_BLK2
C7701
1000pF
50V
FRC_LVDS
R7709
0
OPT
RXD1+
RXB4-
PANEL_VCC
OPC_EN
RXB0-
RXD4+
RXDCK+
RXD2-
RXA4+
RXC3+
RXC2-
RXC0+
L7700
500
FRC_LVDS
C7702
0.1uF
50V
FRC_LVDS
C7700
10uF
25V
OPT
VESA
BIT_SEL
[41Pin LVDS Connector]
 (For FHD 120Hz)
10BIT
LVDS_SEL
HIGH
GND(NC)
OPEN
[51Pin LVDS Connector]
 (For FHD 120Hz)
JEIDA
8BIT
GND
LVDS FROM URSA3
[RIFHT FFC Connector to Module RIGHT Conn]
 (41Pin LVDS)
[LEFT FFC Connector to Module LEFT Conn]
 (51Pin LVDS)
THERMAL
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.
POWER
COMMON
80    100
09/10/xx
+5V_USB
+3.5V_ST
R8018
100
POWER_24_INV_CTL
L8004
3.6uH
NR8040T3R6N
0
R8035
POWER_22_HD_OPC
Q8001
2SC3052
E
B
C
R8030
0
POWER_22_A_DIM
PANEL_CTL
81:A2
C8017
0.1uF
OPT
+5V_USB
+3.3V_NORMAL
0
R8027
POWER_20_PWM_DIM
R8031
0
POWER_20_A_DIM
POWER_ON/OFF1
R8037
4.7K
OPT
Q8003
2SC3052
E
B
C
C8020
22uF
10V
+12V
P8000
FW20020-24S
NORMAL_26~55
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
R8003
22K
R8019
100
POWER_18_INV_CTL
C8016
100pF
50V
OPT
C8004
0.1uF
16V
C8015
1uF
25V
Q8000
2SC3052
E
B
C
INV_CTL
+3.5V_ST
C8018
0.1uF
50V
R8009
0
POWER_23_SCAN_BLK2
PWM_DIM
R8004
4.7K
R8000
10K
0
R8020
POWER_22_PWM_DIM
R8008
22K
+3.3V_NORMAL
Q8002
RT1P141C-T112
1
2
3
R8074
100
0
R8021
POWER_24_PWM_DIM
C8007
0.1uF
C8021
1uF
25V
OPT
OPC_OUT
R8068
100K
R8012
10K
R8023
6.8K
OPT
C8025
0.1uF
16V
R8067
14K
1%
PD_+3.5V
SCAN_BLK1/OPC_OUT
L8001
0
R8033
NON_OPC/NON_IOP
R8029
0
POWER_18_A_DIM
L8003
MLB-201209-0120P-N2
C8012
1uF
25V
OPT
R8039
10K
OPT
+12V
R8075
10K
OPT
C8024
68uF
35V
+3.5V_ST
0
R8034
POWER_SCAN1/FHD_OPC
A_DIM
R8038
10K
OPT
R8001
47K
RL_ON
ERROR_OUT
L8005
MLB-201209-0120P-N2
+24V
R8013
10K
POWER_DET
C8019
100pF
50V
OPT
PANEL_VCC
+3.5V_ST
0
R8024
POWER_20_ERROR_OUT
+12V
R8006
22
C8014
1uF
50V
IC8007
NCP803SN293
EAN60670101
1
GND
3
VCC
2
RESET
SCAN_BLK2
R8015
0
POWER_16_GND
R8017
6.2K
1%
C8000
100uF
16V
IC8000
MP8706EN-C247-LF-Z
EAN31346002
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
C8011
0.1uF
16V
OPT
+24V
V_SYNC
R8002
10K
OPT
R8011 1.8K
L8002
MLB-201209-0120P-N2
R8063
12K
1%
PD_+12V
POWER_ON/OFF2_1
C8023
0.1uF
16V
R8032
10K
R8010
10K
+3.5V_ST
C8006
0.1uF
16V
0
R8025
POWER_24_ERROR_OUT
+12V
R8064
5.1K
1/16W
5%
NON_PD_+3.5V
R8016
33K
1%
Q8005
2SC3052
E
B
C
C8008
0.01uF
25V
POWER_ON/OFF2_1
R8036
0
OPT
R8028
0
OPT
R8005
0
OPT
L_VS
MO_MOSI
MO_SCLK
L8000
CIC21J501NE
R8026
1K
R8045
0
C8029
22uF
16V
L8006
MLB-201209-0120P-N2
L8011
BLM18PG121SN1D
R8047
3.9K
OPT
C8045
0.1uF
16V
A1.2V
D1.2V
R8040
100K
C8027
0.1uF
+3.5V_ST
R8043
470K
1%
C8036
0.1uF
C8032
0.1uF
L8009
2uH
R8048
910K
1%
C8026
0.1uF
10
R8041
R8042
0
C8035
22uF
D1.8V
L8012
3.6uH
NR8040T3R6N
R8052
10K
0.1uF
C8050
R8051
6.8K
C8042
0.01uF
25V
+3.5V_ST
C8038
0.01uF
25V
C8031
22uF
10V
C8044
100pF
50V
OPT
R8057
10K
1%
C8048
22uF
10V
R8056
10K
1/10W
1%
C8034
0.01uF
25V
L8008
CIC21J501NE
R8007
0
POWER_23_GND
R8014
0
POWER_24_GND
R8076
0
POWER_23_42/47_LOCAL_DIM
M2_MOSI
R_VS
R8078
0
POWER_16_42/47_LOCAL_DIM
M2_SCLK
R8077
0
POWER_20_42/47_LOCAL_DIM
L_VS
R_VS
M2_SCLK
MO_SCLK
M2_MOSI
MO_MOSI
C8001
100uF
25V
C8003
0.1uF
50V
C8005
0.1uF
50V
C8009
0.1uF
50V
C8010
10uF
25V
OPT
C8022
0.1uF
50V
C8002
10uF
25V
C8013
4.7uF
50V
R8081
100
R8079
100K
IC8008
NCP803SN293
1
GND
3
VCC
2
RESET
R8061
24K
1%
POWER 20V
R8061-*1
24K
1%
POWER 24V
R8062
5.1K
5%
POWER 20V
R8062-*1
4.3K
1%
POWER 24V
+3.5V_ST
R8080
14K
1%
OPT
IC8002
MP2108DQ
DEV
EAN60991601
3
LX
2
VIN
4
PGND
1
BST
5
SGND
6
SS
7
FB
8
COMP
9
VREF
10
RUN
IC8001
MP2208DL-LF-Z
DEV
EAN60911601
3
PGND_1
2
SS
4
SW_1
1
AGND
6
NC
5
IN_1
7
BS
8
VCC
9
POK
10
IN_2
11
SW_2
12
PGND_2
13
EN/SYNC
14
FB
15
EP
P8001
SMAW200-H24S2
SLIM_32~55
19
12V
14
GND
9
3.5V
4
24V
18
INV ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/V-sync
11
3.5V
6
GND
1
PWR ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM1
23
GND/P.DIM2
24
Err OUT
25
Q8004
AO3407A
G
D
S
C8065
0.1uF
16V
IC8004
SC4215ISTRT
0IPMGS1010A
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
0.1uF
C8062
0.1uF
C8056
OPT
+3.3V_NORMAL
R8059
10K
L8017
500
A2.5V
R8072
39K
1%
R8073
18K
1%
0.1uF
C8055
L8014
500
C8053
10uF
16V
C8058
10uF
16V
C8061
10uF
16V
R8082
0
POWER_16_V_SYNC
C8033
1uF
10V
C8039
3300pF
50V
DEV
R8044
10K
C8041
22uF
10V
C8043
22uF
10V
C8037
22uF
10V
R8065
0
POWER_22_SCAN_BLK2
SCAN_BLK2
0
R8022
POWER_20_SCAN_BLK1
R8046
30K
1%
L8007
CIC21J501NE
R8055
10K
1%
R8053
47K
1%
R8050
10K
+5V_NORMAL
C8049
0.1uF
16V
POWER_ON/OFF2_2
C8028
10uF
25V
R8054
5.6K
1%
L8010
3.6uH
NR8040T3R6N
C8047
22uF
10V
C8030
10uF
25V
+12V
R8049
12K
C8046
100pF
50V
OPT
C8066
22uF
10V
C8067
0.1uF
IC8003
AOZ1072AI
EAN60922901
DEV
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C8040
2200pF
D3.3V
C8052
22uF
25V
R8071
10K
1%
+3.3V_NORMAL
+12V
R8066
3.9K
OPT
C8059
22uF
10V
L8016
CIC21J501NE
R8058
20K
R8070
4.7K
1%
C8069
50V
OPT
IC8005
AOZ1024DI
EAN60660601
1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
C8057
22uF
10V
POWER_ON/OFF2_2
C8051
0.1uF
50V
R8069
27K
1%
L8013
CIC21J501NE
C8064
0.1uF
16V
C8063
0.1uF
16V
C8054
3300pF
50V
L8015
3.6uH
R8060
10K
<OS MODULE PIN MAP>
PIN No
INV_ON
Vout=(1+R1/R2)*0.8
R2
3A
ST_3.5V-->3.5V
INV_ON
INV_ON
INV_ON
+5V_USB
Err_out
20V-->3.5V
Power_DET
15V-->3.6V
PANEL_POWER
22
NC
PWM_DIM
24V-->3.48V
FROM LIPS & POWER B/D
AUO
18
V4:VBR-A
V5:NC
SHARP
Err_out
CMO(09)
PWM_DIM
PWM_DIM
PWM_DIM
GND
20
A-DIM
R1
MAX 1500mA
A-DIM
Err_out
24
Max 1100 mA
12V-->3.58V
LGD
MAX 3.1A
Vout=0.8*(1+R1/R2)
R1
R2
BCM core 1.2V volt
Placed on SMD-TOP
Vout=0.9*(1+R1/R2)
Replaced Part
R1
C IN
3A
Placed on SMD-TOP
R2
BCM DDR 1.8V
A2.5V
Vout=0.8*(1+R1/R2)
R1
R2
VOUT : 2.533V
For RESET at 8kV ESD
#16/#20/#23
LD - GND OR USE
LE(N.L.D.) - OPEN
LE(L.D.) - USE
CHECK PWR/MODULE PIN MAP
LED:GND
2A
R1
+5V_NORMAL
Vout=0.8*(1+R1/R2)
MAX 350mA
R2
MAX 2.3A
+3.3V_NORMAL
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.
+3.5V_ST
POWER_ON/OFF1
WIRELESS_PWR_EN
R8178
22
WIRELESS_DETECT
OPC_EN
R8126
10K
OPT
R8139
10K
OPT
R8112
10K
TACT_KEY
IC8100
M24C16-WMN6T
3
3
2
2
4
4
1
1
5
5
6
6
7
7
8
8
R8135
22
R8192
22
R8116
22
LED_B/LG_LOGO
R8182
10K
OPT
NEC_EEPROM_SDA
+3.5V_ST
R8127
22
R
8
1
7
7
2
2
C8100
0.1uF
R8115
22
R8134
22
R8124
10K
LCD/PDP
RL_ON
INV_CTL
R8194
22
WIRELESS_SW_CTRL
MODEL1_OPT_2
+3.5V_ST
+3.5V_ST
+3.5V_ST
R8132
22
+3.5V_ST
R
8
1
7
6
2
2
NEC_ISP_Tx
IR
R8125
4.7K
NEC_ISP_Rx
OCD1B
OCD1A
SW8100
JTP-1127WEM
1
2
4
3
R8114
22
MODEL1_OPT_3
R8111
10K
TOUCH_KEY
AMP_RESET_N
FLMD0
MICOM_RESET
POWER_ON/OFF2_2
R8143
10K
NEC_EEPROM_SDA
OCD1A
OCD1A
R8195
22
MICOM_RESET
R8113
22
R8188
22
R
8
1
4
2
2
2
NON_M-REMOTE
+3.5V_ST
+3.5V_ST
KEY1
Q8100
2SC3052
E
B
C
SOC_RESET
MODEL1_OPT_0
IC8101
UPD78F0513AGA-GAM-AX
NEC_MICOM
1
P60/SCL0
2
P61/SDA0
3
P62/EXSCL0
4
P63
5
P33/TI51/TO51/INTP4
6
P75
7
P74
8
P73/KR3
9
P72/KR2
10
P71/KR1
11
P70/KR0
12
P32/INTP3/OCD1B
13
P31/INTP2/OCD1A
14
P30/INTP1
15
P17/TI50/TO50
16
P16/TOH1/INTP5
17
P15/TOH0
18
P14/RXD6
19
P13/TXD6
20
P12/SO10
21
P11/SL10/RXD0
22
P10/SCK10/TXD0
23
AVREF
24
AVSS
25
ANI7/P27
26
ANI6/P26
27
ANI5/P25
28
ANI4/P24
29
ANI3/P23
30
ANI2/P22
31
ANI1/P21
32
P20/ANI0
33
P130
34
P01/TI010/TO00
35
P00/TI000
36
P140/PCL/INTP6
37
P120/INTP0/EXLVI
38
P41
39
P40
40
RESET
41
P124/XT2/EXCLKS
42
P123/XT1
43
FLMD0
44
P122/X2/EXCLK/OCD0B
45
P121/X1/OCD0A
46
REGC
47
VSS
48
VDD
R8106
10K
R8185
20K
1/16W
1%
C8104
0.1uF
R8184
47K
+3.5V_ST
NEC_ISP_Tx
NEC_RXD
R8128
22
NEC_EEPROM_SCL
SCART1_MUTE
R8133
22
R8110
10K
LCD/OLED
R8104
10K
NEC_TXD
R8181
10K
OPT
R
8
1
4
5
2
2
X8101
32.768KHz
R8186
20K
1/16W
1%
MODEL1_OPT_1
R8190
22
R8123
10K
OLED/3D
AMP_MUTE
R8189
10K
POWER_ON/OFF2_1
R8108
10K
R8183
10K
OPT
C8103
0.1uF
R
8
1
4
4
2
2
HDMI_CEC
R8180
22
R8175
4.7M
R8105
10K
R
8
1
0
0
4
7
K
R8187
22
MODEL1_OPT_1
+3.5V_ST
R8140
47K
OPT
C8107
1uF
R8191
22
R8118
22
KEY2
R8121
10K
PWM_LED
NEC_EEPROM_SCL
OCD1B
FLMD0
R8120
10K
LOGO_BUZZ
R8130
22
NEC_ISP_Rx
MODEL1_OPT_3
R8103
100
NEC_ISP_Tx
EDID_WP
R8102
100
SIDE_HP_MUTE
R8117
22
R8129
22
P8100
12505WS-12A00
1
2
3
4
5
6
7
8
9
10
11
12
13
R8196
22
+3.5V_ST
POWER_DET
NEC_ISP_Rx
R8131
22
R8122
4.7K
OCD1B
R8119
22
R
8
1
7
9
2
2
MODEL1_OPT_0
R8107
10K
R8109
10K
PDP/3D
LED_R/BUZZ
MODEL1_OPT_2
R8193
22
PANEL_CTL
R8136
22
NON_M-REMOTE
X8100
10MHz
R8138
0
GND
GND
SDA1_3.3V
SCL1_3.3V
MICOM_DOWNLOAD
R8146
0
R8101
100
OPC
FLASH_WP
MICOM_DOWNLOAD
SCART1_MUTE
TP8100
C8106
27pF
C8108
0.1uF
C8105
22pF
C8101
13pF
50V
C8102
13pF
50V
R8197
270K
OPT
5
0
0
MODEL_OPT_3
1
0
31
LOW_SMALL
1
1
LOGO_BUZZ
LCD/PDP
MODEL OPTION
0
1
PWM_LED
HIGH
PIN NAME
MODEL_OPT_0
OLED
MICOM MODEL OPTION
TBD
8
MODEL_OPT_3
PIN NO.
30
11
1
MODEL_OPT_0
1
TOUCH_KEY
0
3D
LCD/OLED
MODEL_OPT_2
LOW
OLED/3D
MODEL_OPT_2
EEPROM for Micom
0
1
MODEL_OPT_1
0
for Debugger
TACT_KEY
MODEL_OPT_1
LOW
PDP/3D
1
0
PDP
LCD
HIGH
MICOM
GP2_Saturn7M
Ver. 1.4
10Mhz Crystal
FOR ATSC Assy
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.
+3.5V_ST
R8206
3.3K
OPT
C8215
0.1uF
16V
OPT
R8280
10K
OPT
Q8202
2SC3052
COMMERCIAL_EU
E
B
C
C8209
1000pF
50V
IR_OUT
L8200
BLM18PG121SN1D
+3.5V_ST
LED_B/LG_LOGO
R8212
0
COMMERCIAL_US
R8204
47K
+3.5V_ST
R8213
10K
1%
R8208
22
WIRELESS
C8207
0.1uF
LED_R/BUZZ
C8210
0.1uF
16V
R8224
100
R8209
100
R8218
47K
COMMERCIAL
L8201
BLM18PG121SN1D
P8200
12507WR-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
R8219
47K
WIRELESS
R8216
10K
COMMERCIAL_EU
R8201
0
OPT
R8217
10K
WIRELESS
D8205
5.6V
CDS3C05HDMI1
C8206
0.1uF
R8215
47K
WIRELESS
C8212
100pF
50V
IR_PASS
R8225
100
EYEQ
D8201
5.6V
AMOTECH
+3.5V_ST
+3.5V_ST
C8214
1000pF
50V
OPT
L8203
BLM18PG121SN1D
R8210
100
Q8204
2SC3052
COMMERCIAL
E
B
C
R8226
100
EYEQ
KEY2
+3.5V_ST
+3.5V_ST
Q8205
2SC3052
WIRELESS
E
B
C
D8204
5.6V
CDS3C05HDMI1
IR
C8213
1000pF
50V
OPT
R8221
47K
WIRELESS
C8208
0.1uF
16V
R8227
1.5K
R8207
22
COMMERCIAL
+3.5V_ST
D8200
5.6V
AMOTECH
R8214
47K
COMMERCIAL_EU
Q8201
2SC3052
E
B
C
R8200
22
Q8203
2SC3052
WIRELESS
E
B
C
R8205
47K
R8220
47K
COMMERCIAL
R8202
47K
C8211
1000pF
50V
R8203
10K
D8206
5.6V
AMOTECH
R8276
1.5K
KEY1
+3.5V_ST
R8211
10K
1%
+3.3V_NORMAL
Q8200
2SC3052
E
B
C
L8202
BLM18PG121SN1D
NEC_EEPROM_SCL
NEC_EEPROM_SDA
D8209
5.6V
JK8200
XRJV-01V-D12-180
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9
L8204
CIC21J501NE
D8212
5.6V
D8211
5.6V
D8207
5.6V
EPHY_TDN
D8208
5.6V
EPHY_ACTIVITY
R8281
510
C8216
1000pF
50V
EPHY_LINK
D3.3V
R8282
510
D8210
5.6V
EPHY_RDP
EPHY_RDN
C8217
1000pF
EPHY_TDP
BCM_RXD1
+3.5V_ST
+3.5V_ST
R8223
4.7K
OPT
R8272 0
R8274 0
C8201
0.1uF
C8202
0.1uF
C8204
0.1uF
R8275 0
P8201
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
R8222
4.7K
OPT
C8200
0.33uF
R8273 0
IR_OUT
R8277
100
C8205
0.1uF
C8203
0.1uF
NEC_RXD
D8203
30V
CDS3C30GTH
D8202
30V
CDS3C30GTH
IC8200
MAX3232CDR
EAN41348201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R8278
100
R8279
0
OPT
A2.5V
BCM_TXD1
NEC_TXD
Zener Diode is
COMMERCIAL
WIRELESS
close to wafer
IR & KEY
RS232C
Adjacent TX/RX differential pairs should be separated by more than 
15 mils to each other
ETHERNET CONNECT
5 mils trace width with 7 mils air gap on P/N pair.
Trace impedance : 100 ohm differenctial impedance to GND plane
Page of 58
Display

Click on the first or last page to see other 32LD550 (CHASSIS:LA02B) service manuals if exist.

RANDOM: