Sanyo P50842-00 Troubleshooting Manual page 47

MODEL DP50842 Chassis No. P50842-00 SCHEMATIC DIAGRAMS
CH.- CH.+ VOL.- VOL.+ INPUT
SW1907 SW1906 SW1905 SW1904 SW1903
1AV4S10B0722J 1AV4S10B0722J
1AV4S10B0722J 1AV4S10B0722J 1AV4S10B0722J 1AV4S10B0722J
SW1903A
SW1907A SW1905A SW1904A
SW1906A
X
X X X
X
3 4 3 4 3 4 3 4 3 4
GND
1 2 1 2 1 2 1 2 1 2
1 2 2 1 2 2 1 2 2 1 2 2 1 2 2
R1902
R1908 R1904
R1909
D0GB682JA072
D0GB392JA072
D0GB682JA072
D0GB123JA072
R1903
D0GB682JA072
R1907
D0GB102JA071
D0GB103JA072
R1906
RC PRE AMP
A3900
D3901
B3RAB0000094
R3908
X
D0GB221JA069
5
R3909
3
D0GB221JA069
2
Q3902
TXXLBB006P
1
4 :2SC3928A1SP:2SC3928A1RP
R3903
D3902 C3903
D0GB101JA069
X R3913
X
GND
D0GB103JA072
GND
LIGHT SENSOR
R3920
X R3905
D0GB102JA071
R3906
D0GB331JA069
R3907
D0GB472JA072
R3902
GND
D0GBR00JA071
Q3900
GND
TXXLBB006P
R3904
GND
D0GB223JA070 :2SC3928A1SP:2SC3928A1RP
D3904
R3900
B0BC6R100010
D0GB224JA068
Q3901
GND
:B0BC6R2A0384:B0BC6R100025
B3L000000032
MENU POWER
SW1902 SW1901
1AV4S10B0722J
SW1902A SW1901A
X X
3 4 3 4 L1903
D1900
X
X
1 2 1 2
1 2 2 1 2 2
L1902
R1901
D0GDR00JA072
D0GB622JA072
GND
C1910
X
C1911
R1911
X
D0GB102JA071
D0GB103JA072
R1910
D1902 D1901
X
X
GND
SCREW1
SCREW_14
1 2 3 4 5 6 7
8 9 10 11 12 13 14
GND
C3906
X
R3914
D0GB221JA069
R3912 D0GBR00JA071
R3993 D0GBR00JA071
3 1
2
GND GND
D3906 D3905
X X
GND
D3900
D3900A
B3AGA0000136
1AV2SA9SD01G-
— 40 —
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.
VDD
K8FRA_1
1
K8FRA_2
GND
2
K8FRA_3
IR_IN
3
GND
K8FRA_4
L_SENSOR
4
K8FRA_5
LED1
5
K8FRA_6
LED2
6
GND K19CTR_3
KEY_SW1
7
K19CTR_4
KEY_SW2
8
Z6WE 1LG0B10Y1040B
1LG4B10Y1040B