Sanyo P50842-00 Troubleshooting Manual page 46

MODEL DP50842 Chassis No. P50842-00 SCHEMATIC DIAGRAMS
R1702
D0GB221JA069
POWER_ON
C1702
X
(10PIN)
GND
1
1
K8C
2 X
L1642
5V 1 1
D0GDR00JA072 3
K8C_1 L1708
2
4
L1643 K8C_2
GND 3
D0GDR00JA072 5
K8C_3
4
GND
6
GND K8C_4
GND_AMP GND
5
7
A15V 6
8
GND_AMP K8C_6
GND 7
K8C_7
9
15V 8
10
GND
GND 9 K8C_9
R1699 11
GND
J0JCC0000371
PNL_ADJ 10
12 10
GND
R1698
BL_SW
13
J0JCC0000371
BL_ERROR
14
R1697 14
L1709
X
K8B
X
02
K8B_14
(14PIN) L1780
L1710
X
GND
X
GND
JP1602
8YDX3R0
R1707
JW1601
D0GBR00JA071
X
L1716
GND
J0JCC0000371
D0GB183JA072
5V
3.3V_STBY
R1756
X
R1753
D0GB103JA041
R1843
GND D0GBR00JA071 BL_ON
GND Q1751
T2SC3928A1R-P C1818
:B1ABDF000024
X
GND
:B1ABDF000028 Q1750
GND GND
T2SC3928A1R-P
R1857
X
:B1ABDF000024
:B1ABDF000028
R1812
R1811
D0GB103JA072 D0GB103JA072
C1806
X
C1807
X
Q1810
GND
2SC3928A1RP
R1810
:2SC3928A1SP:TXXLBB006P
D0GB331JA069
Q1813
:2SC3928A1SP:TXXLBB006P
2SC3928A1RP
C1801
F1J0J106A004
R1804
GND
D0GB222JA072
3.3V_STBY
X
C1804
L1800
X
5V_STBY
L1801
J0JCC0000371
C1800
F1H1C104A041
GND
GND
(6PIN) (8PIN)
1
K8FRA
6PIN X
K8FRB
8PIN
K1KA08AA0193
TO CONTROL UNIT
5V_STBY
R1610
R1611 R1612
X
X
X
C1610
X
R1617
GATE_PIN
H:OFF
X
L:ON
GND
REG_SW1
Q1611
R1616
X
X H:ON
L:OFF
Q1610
GND
X
C1612
C1613
X X
J0JYC0000381
L1707
GND GND
F2A1C4710109
X
C1708
D1700
X 12/15V
GND
L1703
C1700
X
F1H1H104A913
GND
L1704 J0JYC0000381
TCON_P
L1793 X
L1794 J0JYC0000381
K8B_13
L1611
J0JYC0000381
L1613
L1702
D0GBR00JA071 X
R1712
LINE_OFF D1661 X
D1712
X
C1706
IC1700 F1H1H104A913 X
L1616
X
R1711 P_FAIL
X
X R1713
R1709 X L1610
X X
D1663
C1705
R1708
X
C1704
F1H1H103A219
L1617
GND
GND
X
L1612
J0JYC0000381
L1615
X
R1645
5V X
R1646
L1791
R1795
X
X
R1796
X
C1781 R1792
X D0GBR00JA071
Q1791
X
BL_ADJ
R1791 R1790
D0GB101JA069
R1797
D0GBR00JA071
D0GBR00JA071
R1793
Q1790 C1790
GND X
R1794 X X
R1798
X GND
X
GND
GND
GND
Soder side:CL02
3.3V_STBY
Soder side:CL03
R1813
D0GB331JA069
GND
GND
R1801
D0GB102JA071
L1802
D0GBR00JA071
3.3V_STBY
5V_STBY
L1805
X
C1805
X
X
C1808
GND
GND
(4PIN) (6PIN)
1
X K8CTA
4PIN X
X K8CTB
6PIN GND
C1602
IC1600
X
C0CBAYG00009
C1603
INPUT
F1H1C104A041
C1600
F1J0J106A004
OUTPUT
GND
CL1600
3.3V_STBY
OUTPUT R1600
C1604
D0GB121ZA038
F2A1C4710109
ADJUST/
R1601
GROUND
5V
D0GB120JA072 GND
5V
GND
C1601 R1602
X
D0GB221Z0002
GND GND
R1624
R1622
R1625
D0GB472ZA038
D0GB122ZA038 D0GB821ZA037
LV58063 or
7Pin
R1623 LV5893
H/OPEN:ON C1624
L:OFF D0GB562JA072
X
C1625
GND
POWER_ON
F1H1H472A219
C1622
R1628
F1H1H104A913
GND
D0GB103JA072
For PDP
R1620
X 15V -> 12V
GND 5V
L1691
F2A1E4710121 D0GDR00JA072
C1626 C1627
RSXLB12R2JYAS
C1620 F1J1E105A213
R1630 F2A1C4710109
C1628
L1621
X GND X
L1620A D1667
5V_STBY
GND D1622 X
X C1666
F2A1E4710121
R1670
X
GND
GND
R1626
X
X
R1667
JP1601
X
8YDX3R0
12V 0.??A
R1653
RSXLB12R2JYAS
R1652 R1654
X
R1635 R1651 X X
X
R1655
R1650 X
X
C1642
F2A1E4710121
R1690
X C1643
INPUT
F1H1C104A041
OUTPUT CL1640
9V
GND
OUTPUT
F2A1C4710109
X
L1645
C1644 D1641
ADJUST/ B0ACCK000005
X
GROUND D1645
GND X
GND GND
R1648
P_FAIL
X
C1641
F1H1C104A041
IC1640 R1642
GND
D0GB821ZA037
C0CBAYG00009
GND
Screw position
For PWB mount on cabinet
CL01
CL02
SCREW_14
3 SCREW_14
1 2 4 5 6 7
1 2 3 4 5 6 7
8 9 10 11 12 13 14
8 9 10 11 12 13 14
GND
GND
CL03
SCREW_14
1 2 3 4 5 6 7
8 9 10 11 12 13 14
GND
Soder side:CL13
R1015
X
R1000 R1003 R1004
R1001 R1002
X X X X
X
SC1010
X
X X
X
X
X
CL13
GND
SCREW_14
1 2 3 4 5 6 7
8 9 10 11 12 13 14
GND
K1004
K2HA5YYA0004
YL
— 39 —
TCON_P
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.
AUDIO_P
R1668
D0GBR00JA071
P_FAIL
D1668
B0ACCK000005
:B0ACDJ000007:B0ACCK000019
IC6001
C0CBAYG00009
JICON
GND
C6106
OUTPUT
X
ADJUST/
GROUND
8YDX3R0
JP6101
C6110
F1H1C104A041
GND GND
C6115
F1J0J106A004
F2A0J1020091
JICON
C6109
GND
GND
12 11 10 9 8 7 5 3 2 1
14 13
16 15
GND GND
JW1602
A6102
J3ACAAB00004
GND
1AV4F1BAZ0180
R1021
X
R1016 C1029
R1017 X
X
X
X
SC1055
SC1012
SC1011
X X
K1000
K1002
K2HA3YYA0005
K2HA3YYA0004
WD RD
GND GND GND GND GND
GND_AMP
ELECTROSTATICALLY SENSITIVE DEVICES
C6122
F2A1C4710109
C6117
INPUT
C6118 F1H1C104A041
F1J0J106A004
GND
OUTPUT
R6105
D0GB221JA069
GND
R6106
D0GB6R8JA096
C6125
:B0ACDJ000007:B0ACCK000019
X R6107
D0GB681JA069
B0ACCK000005
D6101
GND GND
P_FAIL
X
CL05
SCREW_14
1 2 3 4 5 6 7
8 9 10 11 12 13 14
GND