Read LG 37LD650H (CHASSIS:LD03Z) Service Manual 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.
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
3.3K
OPT
R2426
0 . 1 u F
16V
C2410
OPT
10K
R2416
OPT
2SC3052
Q2401
E
B
C
1000pF
50V
C2404
IR_OUT
BLM18PG121SN1D
L2401
LED_B/LG_LOGO
0
R2422
OPT
47K
R2429
0 . 1 u F
C2402
LED_R/BUZZ
0 . 1 u F
16V
C2405
100
R2410
100
R2401
47K
R2408
BLM18PG121SN1D
L2402
12507WR-12L
P2401
1
2
3
4
5
6
7
8
9
10
11
12
13
10K
R2407
0
OPT
R2427
CDS3C05HDMI1
5.6V
5.6V
D2404
0 . 1 u F
C2401
100pF
50V
C2407
100
R2411
OPT
AMOTECH
5.6V
D2402
+3.5V_ST
+3.5V_ST
1000pF
50V
50V
OPT
C2409
BLM18PG121SN1D
L2404
100
R2402
2SC3052
Q2402
E
B
C
100
R2412
OPT
KEY2
005:G4
+3.5V_ST
+3.5V_ST
CDS3C05HDMI1
5.6V
D2403
IR
1000pF
50V
50V
OPT
C2408
0 . 1 u F
16V
C2403
1.5K
R2413
22
R2403
+3.5V_ST
AMOTECH
5.6V
D2401
47K
R2406
2SC3052
Q2405
E
B
C
22
R2428
47K
R2431
47K
R2409
47K
R2425
1000pF
50V
C2406
10K
R2430
AMOTECH
5.6V
D2405
1.5K
R2414
KEY1
005:G4
+3.5V_ST
+3.3V_NORMAL
2SC3052
Q2406
E
B
C
BLM18PG121SN1D
L2403
NEC_EEPROM_SDA
EPHY_TXOP1
002:D5
5.6V
D4705
LAN_ACT1
001:G6
510
R4701
5.6V
D4700
XRJV-01V-D12-180
JK4700
1
2
3
4
5
6
7
8
D1
D2
D3
D4
9
EPHY_TXON1
002:D5
5.6V
D4703
D3.3V
LAN_LINK1
001:G6
5.6V
D4702
5.6V
D4701
510
R4700
5.6V
D4704
CIC21J501NE
L4701
100
R2432
100
R2433
SCL1_3.3V
NEC_EEPROM_SCL
SDA1_3.3V
4.7K
1%
R2405
4.7K
1%
R2404
0
R4703
0
R4702
0
R4704
0
R4705
EPHY_RXIP1
EPHY_RXIN1
A1.8_ETHUB
4 9 . 9
1%
1%
R4706
4 9 . 9
1%
1%
R4707
0 . 1 u F
C4702
4 9 . 9
1%
1%
R4708
4 9 . 9
1%
1%
R4709
0 . 1 u F
C4703
0 . 1 u F
16V
C4701
0 . 1 u F
16V
16V
C4700
Z e n e r D i o d e i s
c l o s e t o w a f e r
IR & LED
CONTROL
A d j a c e n t T X / R X d i f f e r e n t i a l p a i r s s h o u l d b e s e p a r a t e d b y m o r e t h a n
1 5 m i l s t o e a c h o t h e r
ETHERNET CONNECT
T r a c e i m p e d a n c e : 1 0 0 o h m d i f f e r e n c t i a l i m p e d a n c e t o G N D p l a n e
5 m i l s t r a c e w i d t h w i t h 7 m i l s a i r g a p o n P / N p a i r .
Chameleon(EU_GP2_BCM3556)
2 0 1 0 . 0 1 . 2 3
xxLD650H-ZA
6
I R / E t h e r n e t
rol&IR/LED
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