Only For Training And Service Purposes - LG 32LM5800 Service Manual

Audio amp(NTP-7500)
+24V_AMP
+24V
L501
CIS21J121
C501 C502 C508
C506
0.1uF 0.1uF
4.7uF 0.1uF
50V 50V
16V
C504
1000pF
50V
C503
R505
100pF
50V 3.3K
AUD_LRCH
AUD_LRCK
AUD_SCK
R503 100
AMP_SDA
R504 100
AMP_SCL
C507 C509
+3.5V_ST
33pF 33pF
50V 50V
NON_LIPS
R502
R520 10K
R506
10K
NON_LIPS
NON_LIPS C 100
R501
B
Q501
AMP_MUTE
MMBT3904(NXP)
10K
NON_LIPS
NON_LIPS E
R522
0
POWER_DET
LIPS_ONLY
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 ⓒ 2012 LG Electronics. Inc. All right reserved.

Only for training and service purposes

+3.3V_Normal AMP_RESET
R521 C516
10K 1000pF
50V
L502
BLM18PG121SN1D
AUD_MASTER_CLK
C515
C514
10uF
0.1uF
10V
16V
OPT
OPT C510 C512
10uF 0.1uF
10V
16V
16V
AGND_PLL
1
AVDD_PLL
2
THERMAL
DVDD_PLL
3 49
LF
4
IC501
DGND_PLL
5
OPT
GND_1 NTP-7500L
C511 6
10uF C513
10V 0.1uF
DGND
16V
7
DVDD
8
SDATA
9
WCK
10
BCK
11
SDA
12
C505
1000pF
50V
C518
22000pF
+24V_AMP
OPT
R507
3.3
OPT
C525
C519 C521 C523
0.01uF
0.1uF 0.1uF 10uF
50V
50V 50V 35V
1N4148W
OUT1B_2
36
1N4148W
OUT1B_1
35
PGND1B
34 C526
22000pF
BST1B
50V
33
VDR1
32
VCC_5
31
AGND
30
VDR2
29
C528
BST2A
1uF
28
25V
PGND2A
27 C527
22000pF
50V
OUT2A_2
26
OUT2A_1
25
+24V_AMP
1N4148W
C520 C522 C524
0.1uF 0.1uF 10uF
50V 50V
35V
1N4148W
50V
D501
R508 R515
L505
12 12
100V
10.0uH
OPT
C530
390pF
L506
50V C535
10.0uH 0.47uF
50V
C531
390pF
D502 50V
R509 R513
100V
12 12
OPT
C529 C534
1uF 1uF
25V 25V
D503 R514
R510
12
12 L503
100V
10.0uH
OPT
C532
390pF C536
L504
50V 0.47uF
10.0uH 50V
C533
390pF
50V
D504
R511 R512
100V
12 12
OPT
SPK_L+
R516
C537
0.1uF
4.7K
50V
SPEAKER_L
C538
0.1uF R517
50V
4.7K
SPK_L-
WAFER-ANGLE
SPK_L+
4
SPK_L-
3
SPK_R+
2
SPK_R-
1
P501
SPK_R+
C539 R518
0.1uF 4.7K
50V
SPEAKER_R
C540 R519
0.1uF 4.7K
50V
SPK_R-
GP4L_S7LR2 2011.10.04
NTP-7500 16
LGE Internal Use Only