Hitachi CLU-3842WL User manual

OCTOBER 2004 HHEA-MANUFACTURING DIVISION
PA No. 0192
42V515 LC46K
R/C: CLU-3842WL or
CLU-3844WL
NNTTSSCCLLCC4466KK
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SERVICE MANUAL
CONTENTS
The electrical and mechanical parts list only lists parts that are different from
Service Manual PA No. 0191
ELECTRICAL PARTS DIFFERENCES ................................................................................ 2
EXPLODED VIEW ................................................................................................................3
CIRCUIT DIAGRAMS ............................................................................................................5
REPLACEMENT PARTS LIST ............................................................................................24
NOTE: If a part is not listed in this addendum, please refer to Service Manual PA No. 0191
CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of
electric shock do not perform any servicing other than that contained in the operating instructions
unless you are qualified to do so.
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
Components having special safety characteristics are identified by a on the schematics and on the parts list in this
Service Data and its supplements and bulletins. Before servicing the chassis, it is important that the service technician
read and follow the “Important Safety Instructions” in this Service Manual.
LCD REAR PROJECTION TELEVISION
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
!
This addendum PANO 0192 includes all information for the 42V515.
For all features / adjustments please refer to Service Manual PA No.
0191 when servicing.
updated 9/21/05
version 0192.1
Manual 0191 is for
the following models:
42/50/60V710
42/50/60V715
50/60/70VS810

Main Part Differences between LC47K and LC46K
LC47K (42V710/715)
Symbol Part No. Description
EANT HP00773 Ant Switch
I004 CK50941U Main Micro M306V7MJ-504FP
I406 CK38377R DM +9V Regulator
U301 HC00496 Main Tuner
U302 HC00505 Sub Tuner
U901 HA01331 Power Supply
UV01 UE23411 DM HCY501
LC46K
2
LC46K (42V515)
Symbol Part No. Description
EANT HP00772 Ant Switch
I004 CK50901U Main Micro M306V7MJ-503FP
I406 Not Used
U301 HC00515 Main Tuner
U302 HC00465 Sub Tuner
U901 HA01332 Power Supply
UV01 Not Used

3
LC46K

4
LC46K
Model 42V515
No Part No Description Qty.
1 QD38213 SCREEN FRAME 42V515 1
2 KR03232 42V SCREEN ASSY 1
3 NA71651 SCR FIX ML V 2
4 NA71661 SCR FIX ML H 2
5 GM01491 SPEAKER 1
6 GM01481 SPEAKER 1
7 QD38221 MIRROR COVER 1
8 KS07892 1ST MIRROR 1
9 NJ09581 MIRR FIX PART R 42V 1
10 NJ09582 MIRR FIX PART L 42V 1
11 NJ09621 MIRR FIX P 3
12 GM01471 SPEAKER 1
13 GM01461 SPEAKER 1
14 NA72341 LC4X WOOFER UNIT FIX METAL FRO 2
15 NA72351 LC4X WOOFER UNIT FIX METAL REA 1
16 ME03711 BARRIER COV 1
17 PH34373 FRONT COVER 1
18 QD38233 LOW CABINET 1
19 PH34421 42VS701 SIDE CONTROL HOLDER 1
20 PH34431 42VS701 SIDE TERM HOLDER 1
21 UE23611 REAR 0.7R OPTICAL UNIT 42 1
22 ME03762 LENS BARRIER 1
23 UE23216 LC46K CHASSIS ASY 1
24 NJ09601 CABI SUPPORT R 42V 1
25 NJ09602 CABI SUPPORT L 42V 1
26 NT04371 LC47K POW SUB HOLDER 1
27 NT04121 LAMP POW HLD 1
28 HA01461 LAMP BALLAST 100W 1
29 NA71571 CABI BRACKET REAR 42 1
30 QD38241 LOW REAR COV 1
31 PH34721 SP_HOLE_PLATE 2
32 NA71581 CONT B FIX MTL 42V 1
33 NA72161 ENGINE BASE MTL 442V 1
34 NJ08351 LAMP DUCT C 1
35 PH34601 LO CABI COV F 42V 1
36 PH34283 LAMP COVER 1
37 PC06161 CONTROL BUTTON 1
38 NX30093 42V DRIVE DUCT 1
UX23681
CH 1

5
O All DC voltage to be measured with a tester (100kh/V). Voltage taken on a complex color bar signal including a standard color bar signal.
O Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. Signal 1 of 5
PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these com-
ponents, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing.
LC46K
Signal 1 of 5
BASIC CIRCUIT DIAGRAM
123456
A
B
C
D
E

6
O All DC voltage to be measured with a tester (100kh/V). Voltage taken on a complex color bar signal including a standard color bar signal.
O Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. Signal 2 of 5
PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these com-
ponents, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing.
LC46K
Signal 2 of 5
BASIC CIRCUIT DIAGRAM
123456
A
B
C
D
E

7
O All DC voltage to be measured with a tester (100kh/V). Voltage taken on a complex color bar signal including a standard color bar signal.
O Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. Signal 3 of 5
PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these com-
ponents, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing.
LC46K
Signal 3 of 5
BASIC CIRCUIT DIAGRAM
123456
A
B
C
D
E

8
O All DC voltage to be measured with a tester (100kh/V). Voltage taken on a complex color bar signal including a standard color bar signal.
O Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. Signal 4 of 5
PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these com-
ponents, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing.
LC46K
Signal 4 of 5
BASIC CIRCUIT DIAGRAM
123456
A
B
C
D
E

9
O All DC voltage to be measured with a tester (100kh/V). Voltage taken on a complex color bar signal including a standard color bar signal.
O Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. Signal 5 of 5
PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these com-
ponents, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing.
LC46K
Signal 5 of 5
BASIC CIRCUIT DIAGRAM
123456
A
B
C
D
E

10
O All DC voltage to be measured with a tester (100kh/V). Voltage taken on a complex color bar signal including a standard color bar signal.
O Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. Drive 1 of 9
PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these com-
ponents, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing.
LC46K
Drive 1 of 9
BASIC CIRCUIT DIAGRAM
123456
A
B
C
D
E