Main Unit - Sanyo LCD-32XH3 Service Manual

LCD
MODULE
EL901 (1AV4T40B84500)
CN3
2
1

MAIN UNIT

2
1
ASSY,PWB,MAIN-N4AV
1LG0B10Y007AA
K7207 K7200 K7204 K8001
HDMI PC IN
VGA-AUDIO SERVICE
PORT
THE SERVICE PRECAUTION:
The area enclosed by this line( ) is directly connected with AC mains voltage.
When servicing the area, connect an isolating transformer between TV receiver and AC
line to eliminate hazard of electric shock.
COLOUR TELEVISION
U U H H 1 1 - - L L
U U H H 1 1 - - L L
CHASSIS
SERIES
SERVICE
LCD-32XH3-00
REF. NO.
N4AV
K7205
K1003 K1002 K1001 A201 K1303
AV1
AV2 AV1-S TUNER HEADPHONE
Y(V)/Pb/Pr MONITOR
OUT
CIRCUIT DIAGRAM NOTICE:
PRODUCT SAFETY NOTICE:
1. All resistance value are in ohms, K=1,000, M=1,000,000.
Product safety should be considered when a component 2. All resistance rated wattages are 1/6W unless otherwise noted.
replacement is made in any area of a receiver. 3. Excepting electrolytic capacitors, all capacitance values of less than 1are expressed in µ F
and more than 1 are µF.
Components indicated by a mark in this circuit dia-
4. All capacitance rated voltages are 50V unless otherwise noted.
gram show components whose values have special sig-
5. All inductance values are in µ H.
nificance to product safety. It is particularly recommend-
6. This circuit diagram covers a basic or representative chassis only. There may be some
ed that only parts specified on the part service manual
components or partial circuit differences between the actual chassis and the circuit diagram.
be used for components replacement pointed out by the
7. Parts specified with "X" are not installed in this model.
mark.
8. Parts specified with "J" are just jumper wires.
POWER
UNIT
ASSY,PWB,POWER-N4AV
1LG0B10Y0080A
U1901
U20B24401
5 3
GND VCC
K19A_7
VOUT 2
4 1
GND GND
U1901_GND
7
6
K19A
K19A_3 R1901
5
J10EG075G
1/16GJ100C
4
3
2
D1901
1
SLP-381C51
ON-TIMER
K19A_4
K19A_GND
D1902
1
SPR-39MVWF
K19A_2 3 STAND-BY & POWER
2
D1903
PC CARD
X
K19A_1
CH
POWER SW UP DOWN UP
SW1952 SW1953
SW1951
SW1950
S10B S10B S10B
S10B3530G
3530G
3530G 3530G
CL1951 CL1952
CL1901
1
2
K19K
K19K_1 ZD1951
4 ZD1952 ZD1953
UDZS10BG UDZS10BG
UDZS10BG
J10EG045G
1
K19K_2 R1956 R1955
1/16GJ 1/16GJ
2.7KC 2.2KC
1
2
K19K_4
L1955 C1905
L26B0130G 25KZ0.1GQF
9. Expression of capacitance and resistance in circuit diagrme.
TRANSISTOR, DIODE AND INTEGRATED CIRCUIT TERMINAL GUIDE
Capacitance (Example)
C: COLLECTOR
1000 C M 2000 D
J= ± 5%
B: BASE
Characteristic K= ±10%
E: EMITTER
Capacitance value (220pF) M= ±20%
Allowable error (±20%)
T, A, U, D:
Kind (Ceramic)
Electrolytic
Rated voltage (1,000V)
C, K, B: Ceramic
C
E
F: Mylar film
M, N: Polypropylene
Resistance (Example)
Z: Metalized paper
1/2 N J 1.2
Resistance value (1.2Ω)
D: Carbon C E
B
Allowable error (±5%)
N: Metalized carbon
Kind (M.carbon)
S: Oxied metalized
W: Wire wounding
Rated wattage (1/2W)
C: Solid
R1902 C1903
1/16GJ220C 6.3KK10MB
C1902
R1903 6.3KK10MB
1/16GJ220C
SC1902
Z30B0220G
SC1901
Z30B0220G
C1901
KK1000GQ
ASSY,PWB,LED N4AV
1LG0B10Y007AC
VOL
DOWN TV/AV MENU
SW1954 SW1955 SW1956
S10B
S10B S10B
3530G 3530G
3530G
CL1956
CL1953 CL1954 CL1955
CL1957
ZD1957
UDZS10BG
ZD1956
ZD1954 ZD1955
UDZS10BG UDZS10BG
UDZS10BG
R1954 R1953 R1952 R1951
1/16GJ 1/16GJ 1/16GJ 1/16GJ
3.3KC 5.6KC 27KC
10KC
ASSY,PWB,KEY N4AV
1LG0B10Y007AB
PARTICULAR
A: ANODE
CHIP
PARTS SYMBOL
COMPONENTS
K: KATHODE
TRANSISTOR
FUSIBLE
E N/2 C
N/2 + 1 RESISTOR
B
K 1
A
B E NON POLE
C N
B C DIODE ELECTRIC
A
K
CAPACITOR
B
K
E
A A POSISTER
1 RESISTOR
C E K
B 12 X 10 3 =12K
1 123
N4AV (Page 1/4)