Sanyo DP42142 Service Manual page 50

MODEL DP42142 Chassis No. P42142-00
C1602
IC1600
F2G1C221A066
C0CBAYG00009
C1603
INPUT
F1H1H104A913
C1600
OUTPUT F1J0J106A004
:F1J0J106A020 CL1600
3.3V_STBY
OUTPUT R1600
D0GB121ZA038
ADJUST/
GROUND
C1601
X
R1602
D0GB221Z0002
R1610 R1612
D0GB103JA072
D0GB105JA071
C1610
GATE_PIN
F1H1C473A041
H:OFF
L:ON
Q1611
REG_SW1 Q1610 B1DHDD000041
B1ABDF000013
R1616
D0GB103JA072 :B1ABCE000028:B1ABDF000024
H:ON
L:OFF 5V
5V_STBY
X
C1612
R1613
F1H1H104A913
X
R1614
(14PIN-42'46'panel)
K8C
K8B X
K1KY14AA0983
K8D
X H:ON
1 D0GB102JA071 L:OFF
1 R1702
1 1 POWER SW
1 1 POWER_ON
2 J0JYC0000381
2 2 5VSTB
L1707
3 3 3
4
4 4
5 L1708
5 5 J0JYC0000381
12VA
6
GND_AMP 6 6 D1700
R1705
D0GDR00JA072 7 X
7 7 X
L1631
GND L1703 X
8 8 8
L1638 X
L1704
9 X
9 9
GND L1632 X L1705
10 D0GDR00JA072
10 10
L1633 X X
11 L1716 L1706 D0GDR00JA072
LINE OFF 11 11 A12/15V
R1700 R1703 X
12 D0GBR00JA071
12 12 BL_ADJ_OUT
R1701
13 D0GBR00JA071 P_FAIL
13 13 BL_SW
L1636
X R1706 R1704 D1701
14 14 BL_ERROR
14 X X
X
15
L1611
15 X
L1635
L1612 X
J0JCC0000371
GND
L1702
D0GBR00JA071
LINE_OFF
L1637 J0JYC0000381
POWER SW IC1700
X R1711
GND
X
D5V R1707 R1709
D0GBR00JA071
X
GND
GND
R1708 3.3V_STBY
A12V
D0GB183JA072 5V
C1705
A12V L1791
X
GND X
A24V
GND
C1781
LINE OFF X
Q1791
BL_ADJ
X
BL_SW
NC/BL_ERROR BL_ADJ_OUT
R1794
X
Q1790
X
R1798
X
5V
FOR DC ADJ and PWM ADJ
3.3V_STBY
X
R1756
R1843
D0GBR00JA071 BL_ON
Q1751
B1ABCE000028 Q1750
B1ABDF000013
:B1ABDF000024:B1ABDF000013
R1857 C1818
:B1ABCE000028:B1ABDF000024
X X
To cut irregular signal from SoC
5V_STBY
C1706 L1713
X X
STB_5V 1 K8L_1 GND
K8L_2 R1714
GND 2 X
K8L_3 GND
BL_ON 3 BL_SW
BL_ADJ 4 K8L_4
R1715
K8L_5
SELECT/STATUS 5 X
P=2.0 TOP
K8L
GND
X GND
R1717
X
BL_ERROR
R1716 R1718
X D0GB103JA072
GND
SCHEMATIC DIAGRAMS
5V
IC6900
C0CBAYG00009
INPUT
OUTPUT
OUTPUT
ADJUST/
GROUND
AP2128
IC6991
C0DBGYY02242
SN6990
5V 3 VIN VOUT 4
2 GND
1 %%oShutdown ADJ/NC 5
REG_SW1
R6924 1pin H->ON
D0GB223JA070
C6997
X
R1665
X
R1664
X X
C1666
AUDIO_POW
D1665
X
R1668
D1667 D0GBR00JA071
X
R1669 D1668
X
P_FAIL
GND DDDA2J10100LG
R1667 :B0ACDJ000007:B0ACDJ000017:B0ACCK000019
X
GND
C1617
7Pin X
H/OPEN:ON
L:OFF R1641
D0GB153ZA038
REG_SW1 C1618
F1G1H472A571 For 42"
R1637
D0GBR00JA071 24V -> 18V
IC1602
C0DBAYY01260
For PDP
R1638 15V -> 5V
X
L1617
D0GDR00JA072
:D0GDR00Z0002
L1626
D0GDR00JA072
C1619
:D0GDR00Z0002
F2G1V101A058
AUDIO_POW
L1618 R1639
CL1620
D0GBR00JA071
X 5V_STBY
D1610
X
D1608
X
BL_ADJ 12V 0.??A
C1790
X
L1800
X
3.3V_STBY
5V_STBY
L1801
D0GBR00JA071
ELECTROSTATICALLY SENSITIVE DEVICES
Many solid-state devices (especially Integrated Circuits) are Electrostatically
Sensitive, and, therefore, require special handling techniques as described under
"Servicing Electrostatically Sensitive Devices," on page two in this service literature.
D3.3V => 1.8V_TUNER 25OmA
C6905
X
C6906
C6903 F1G1C104A077
F1J0J106A020
L6931
:F1J0J106A004 CL6900 D0GDR00JA072
1.8V_TUNER
R6906
C6907
D0GB471ZA037
F2G1C221A066
R6907
D0GB100JA072
C6904
R6908
X
D0GB221Z0002
5V_DIG => 3.3V_tuner 74mA
CL6991
3.3V_TUNER
R6925
D0GB471ZA037
R6926 C6764
D0GBR00JA071 F1G0J1050007
Vref=0.8V
R6927
D0GB151ZA037
C6268
F1G1C104A077
L6238
J0JGC0000067 C6261
C6276 F1G1C104A077
F1G1H1020008
C6249 F1G1H472A571
C6253 F1G1H472A571
R6273
D0GA200ZA038
32 31 30 29 28 27 26 25
L6220
G1CR39J00009
L6247
K6203
J0JGC0000067 IF_OUTN
K1AY103B0002
L6201 L6202 1 VDD_DNX2 24
G1C15NJA0048
G1C15NJA0048
LNA_IN
2 IF_OUTP2 23
C6272 L6219 G1C5N6ZA0068
SH2 SN6993 F1G1H1020008 IC6751
3 IDAC IF_OUTN2 22
1 C1AB00003905
3.3V_TUNER 4 VBATT_A3 VDD_REF_SX 21
33
GND_SH2 C6950
X 5 VAGC2 VBATT_A4 20
PADDLE
C6274 6 AS VREG_D_IN 19
F1G1H181A541
X VBATT_A5 VREG_D_OUT 18
SH4 L1912 7
XTAL_N
1 L1911 D0GDR00JA072
8 GND_DIG 17
SN7005
SN7004
SN7003
SN7002
SN7001 10 11 12 13 14 15 16
9
SH3 SN7000 R6220 D0GAR00JA046
SN6999
1 SN6998 L6246 1
SN6997 4
J0JGC0000067
SN6996
3.3V_TUNER
L6296 C6951
X
R6218
L6297 D0GA121JA045 2 3
L6298
L6299
C6952
F1G1C104A077
D0GBR00JA071
R6937
VDD_IO
Q1810
B1ABDF000013 D0GB331JA069
:B1ABCE000028:B1ABDF000024
R1810
3.3V_STBY
X
R1813
D0GB331JA069
Q1813
B1ABDF000013
:B1ABCE000028:B1ABDF000024
X
R1031 R1030
R1806 R1034 R1033 R1032
D0GBR00JA071 X X X X X
SC1033 SC1031 SC1030
SC1034 SC1032
X X X
X
C1801
F1J0J106A004 D0GBR00JA071
:F1J0J106A020 IEC958
X
GND
GND
GND K1030
K2HA5YYA0004
K1KA06BA0061
K8FRA
1 6
TO RC_LED UNIT
2.0mm
— 44 —
PC_VSYNC
PC_HSYNC
SN6991
SN6992
L6244
J0JGC0000067
R6272 D0GA470JA047
3.3V_TUNER
L6241 J0JGC0000067
C6955
F1G1C104A077
SH1 L6288
D0GBR00JA071
1
GND_SH1
L6289
D0GBR00JA071
L1913 X
3.3V_TUNER
L6295
L6294
L6293
L6292
L6291
L6290
R1000
X
R1003
R1001 X
X
SC1002
SC1000 SC1001
X X X
R1020
:F1J0J106A020
F1J0J106A004
C1020
R1022
R1021 D0GBR00JA071
X
GND
R1023
D0GB820JA072
R1024
K1000
D0GB750JA072
K2HA3YYA0004
YL WD RD
K1020
K2HA1YYA0006
R2410
D0GBR00JA071
PC_AUDIOR
X
R2402
R2416
X
IC2401
8
X R2411
3.3V_STBY
SC2400 7
D0GBR00JA071
C2400 5 1 V_SYNC X 4
K2401_2 3
X PC_AUDIOL
2
6
SC2408
5
4 3 X K2401_3
2
R2400 1
X R2417 GND K2401_1 K2HC1YYA0035
IC2402 K2401
X
X
3.3V_STBY
5 1 H_SYNC R2406
C2401
X
X
2
PC_R
R2424
4 3 SC2401
K2400_1 X
R2401 X GND
R2407
X
16
X
PC_G
R2403
SC2402 6
X K2400_2
X 1 11
R2408
7
X
2 12
K2400
PC_B
8 X
3 13
SC2403 K2400_3
9
X
4 14
H_SYNC
SC2404 10
R2404 K2400_13
X 5 15
R2422
X
X
V_SYNC
17
SC2405
R2405
X
X K2400_14
GND
5V
STATUS
C2402 R2409 R2412
D2400 K2400_9 R2423
F1H1H104A913 X
D0GB103JA072 D0GB103JA072
B0JCGD000002 UART0TX
GND
:B0JCGD000014
VGA_SCL
R2420 SC2406 K2400_15
X X
VGA_SDA
R2421 SC2407 K2400_12
X X
D1901
X
D1902
X
R1905
GND D0GB682JA072
C1803
F1H1H103A219
42INCH