Samsung HL67A750A1FXZA Service Manual page 80

Schematic Diagram
7-3-2 Main Board-2
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Power
AUDIO MUTE CTL
B12V B5V A5V A3.3V
B3.3V
D201 D202 D203 D205
5.30-5.63V 75V
75V 75V
RT9818C-42PV
IC203
D204
75V
3 SET,RESET 1
VDD
GND
1N4148WS-F 1N4148WS-F
R202
C201
4.7NF 10KOHM
50V
POWER_DET
R210
SOUND_MUTE
4.7KOHM
10UF
10V
33OHM 1/10W
R203
SCL_MAIN 33OHM 1/10W
R204
SDA_MAIN
33OHM 1/10W
R205
RESET_AMP
100OHM 1/10W
R206
I2S_DATA_AMP
100OHM 1/10W
R207
I2S_LRCLK_AMP
100OHM 1/10W
R208
I2S_SCLK_AMP
100OHM 1/10W
R209
I2S_MCLK_AMP
B3.3V
BEAD_CHIP
BD201
BEAD_CHIP
BD202
POWER_DET
7-4
A3.3V
D207 75V
1N4148WS-F
C210
D208 75V 100UF
16V
1N4148WS-F
R212
3.3KOHM
R216
D206 1
R214 MONITOR_L_OUT
E
2
4.7KOHM
2 Q202 MONITOR_R_OUT
B
C
4.7KOHM
R217
75V 3
2 1 2 C 2 C
B B
KTC3875S-Y
E Q203 E Q204
KTA1505Y 4.7KOHM
2 C Q201
B
KTC3875S-Y KTC3875S-Y
E
C278
A16V
B3.3V
C218
C215
100UF 100UF
B3.3V
25V 25V
R218
STA335BWS
3.3OHM
IC201
1/10W
36 1
C216
GND_SUB
35 2
VDD_DIG
SA 100NF
34 GND_DIG 3
TESTMODE
33 4 50V
SCL
VSS
32 SDA 5
VCC_REG
31 INT_LINE 6
OUT2B
30 RESET 7
GND2
29 SDI 8
VCC2
28 LRCKI 9
OUT2A
27 BICKI 10
OUT1B
26 XTI 11
VCC1
25 PLL_GND 12
GND1
24 13
PLL_FILTER
R215 OUT1A
C205
23 PLL_VDD 14
2.2KOHM
GND_REG
220PF 22 15
POWRDN
1/10W VDD
50V
21 GND_DIG 16
CONFIG
20 17
VDD_DIG
C208
C207 R219 OUT3B/DDX3B
19 TWARN/OUT4B 18
1.2NF 3.3OHM
OUT3A/DDX3A
100PF
EAPD/OUT4A
50V 1/10W
50V
C380
VIDEO1_SR_IN
C381
VIDEO1_SL_IN
C382
VIDEO2_SR_IN
C383
VIDEO2_SL_IN
C384
COMP1_SR_IN
C385
COMP1_SL_IN
C386
COMP2_SR_IN
C387
COMP2_SL_IN
C388
DVI_SR_IN
C389
DVI_SL_IN
C390
PC_SR_IN
C391
PC_SL_IN
SGTV_6.5V BD306
C349 C358 C367 C371
BEAD_CHIP
10UF 100NF 100NF 100NF 1NF
10V 25V 25V 25V 50V
MST_1.8V BD304 SGTV_1.8V
C338 C345 C351 C360
BEAD_CHIP
1UF 100NF 100NF 100NF
C377 1 2
10V 25V 25V 25V
10UF 10V
C378
100NF 25V
1 1UF 2
C372
50V
C348 820PF
50V
TU_SIF
C373
220NF 16V
C374
220NF 16V
C375 1 2
18PF 50V
X301
24.576MHz
X_TAL_CHIP
C376 1 2
18PF 50V
R359
0OHM
R370 47OHM
SDA_MAIN
R371
47OHM
SCL_MAIN
R373
10KOHM
R374
10KOHM
R372
RESET_AMP
100OHM
C379
POWER_DET
1UF
D360
10V
75V
1N4148WS-F
SGTV_1.8V
MST_1.8V BD305
BEAD_CHIP
C339 C346 C354 C364
1UF 100NF 100NF 100NF
I2S_SCLK_AMP
10V 25V 25V 25V
I2S_LRCLK_AMP
I2S_DATA_MONITOR
R220 R222
47OHM 47OHM
1/10W 1/10W
L201
C222
50V
330PF
R221 R223
47OHM 47OHM
1/10W 1/10W
L202
C223
330PF
50V
1UF 6.3V
1UF 6.3V
1UF 6.3V
1UF 6.3V
1UF 6.3V
1UF 6.3V
1UF 6.3V
1UF 6.3V
1UF 6.3V
C392 1 2
1UF 6.3V 10UF 10V
1UF 6.3V
1UF 6.3V
C393
100NF 25V
C394 1 2
10UF 10V
C395
100NF 25V
C396
220PF
50V
C397
220PF
50V
76 50
77 49
78 48
79 47
80 46
81 45
82 44
83 43
C330
84 42 2 1
85 41
10NF 50V
86 40
C331
87 39 2 1
88 IC303 38
10NF 50V
89 37
90 36
SGTV5910
91 35 R385
100OHM
92 34
R386 100OHM
93 33
94 32
95 31
96 30
97 29
98 28
99 27
100 26
B3.3V
C398
100NF
25V
R379 22OHM
R380
22OHM
R381
22OHM
R375 R382
0OHM 22OHM
R376
0OHM
R377
0OHM
1 2
R327
0OHM
R329 1 2
0OHM
1 2
R365
0OHM
R378
0OHM
35312-0419
CN201
BD206
BEAD_CHIP
4 R+
BD207
R-
BEAD_CHIP 3
2 L+
BD208
L-
BEAD_CHIP 1
BD209
BEAD_CHIP
CN_S_004_F
C3101 1 2
10UF 10V
MONITOR_L_OUT
1 2
C3102 10UF 10V
MONITOR_R_OUT
EXT_I2S_DATA
EXT_MCLK
EXT_I2S_SCLK
EXT_I2S_LRCLK
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