Sharp LC-20B4M Service Manual Page 68
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68
LC-20B4M
Ref. No. Part No. ★ Description Code
PARTS LIST
PARTS REPLACEMENT
Replacement parts which have these special safety characteristics
identified in this manual; electrical components having such features
are identified by å and shaded areas in the Replacement Parts Lists
and Schematic Diagrams. The use of a substitute replacement part
which does no have the same safety characteristic as the factory
recommended replacement parts shown in this service manual may
create shock, fire or other hazards.
"HOW TO ORDER REPLACEMENT PARTS"
To have your order filled promptly and correctly, please furnish the
following informations.
1. MODEL NUMBER 2. REF. NO.
3. PART NO. 4. DESCRIPTION
★ MARK: SPARE PARTS-DELIVERY SECTION
LCD PANEL
PRINTED WIRING BOARD ASSEMBLIES
(NOT REPLACEMENT ITEM)
LC-20B4M
DUNTKB750FE06 – MAIN Unit —
DUNTKB768DE09 – TUNER Unit —
DUNTKB769DE09 – R/C, LED Unit —
DUNTKB770DE09 – OPERATION Unit —
DUNTKB590DE02 – INVERTER-A Unit —
DUNTKB591DE02 – INVERTER-B Unit —
LC-20B4M(X)
DUNTKB750FE06 – MAIN Unit —
DUNTKB768DE12 – TUNER Unit —
DUNTKB769DE12 – R/C, LED Unit —
DUNTKB770DE12 – OPERATION Unit —
DUNTKB590DE02 – INVERTER-A Unit —
DUNTKB591DE02 – INVERTER-B Unit —
NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN
ASSEMBLY BUT NOT INDEPENDENTLY.
RLCDTA014WJN1 J 20" LCD Panel Unit DM
DUNTKB750FE06
MAIN UNIT
INTEGRATED CIRCUITS
IC701 VSUMX2N++++-1Y J UMX2N AB
IC702 VHiNJU7662M-1Y J NJU7662M(TE2) AL
IC703 VHiNJ79M08D-1Y J NJM79M08DL1A AF
IC704 VHiPQ1R33//-1Y J PQ1R33 AE
IC705 VHiPQ1R34++-1Y J PQ1R34 AE
IC706 VHiLM1117MJ-1Y J LM1117MPX-ADJ AF
IC707 VHiMM1573DN-1Y J MM1573DNRE AD
IC801 VHiVPC3230D1EQ J VPC3230D-QA-B3 BD
IC802 VHiBA7046F/-1Y J BA7046F AF
IC805 VHiMM1563DF-1Y J MM1563DFBE AE
IC1101 VHiBD8120FP-1Y J BD8120FP AX
IC1201 VHiDPS9450+-1Q J DPS9450A-XZ-A1 BD
IC1202 VHiTC4W66U/-1Y J TC4W66FU AE
IC1601 VHiSDA5550M-1Q J SDA5550M AZ
IC1602 VHiBA05FP++-1Y J BA05FP-E2 AF
IC1603 VHiPST3228N1EY J PST3228NR AB
IC1604 VHiMM1501XN-1Y J MM1501XNRE AE
IC1605 VHiMM1562FF-1Y J MM1562FFBE AE
IC1606 VHiPST3221N1EY J PST3221NR AB
IC1607 VHiMM1563DF-1Y J MM1563DFBE AE
IC1608 VHiNC7SZ58P-1Y J NC7SZ58P6X AE
IC1609 VHiTC7SZ08U-1Y J TC7SZ08FU AE
IC1610 VHiLCX157MT-1Y J 74LCX157MTCX AE
IC1611 RH-iXA388WJZZQ J MBM29DL400TC90 AY
IC1612 VHi62S8308X-1Q J A62S8308X-70SI AY
IC1614 VHiVHC08MTC1EY J 74VHC08MTCX AD
IC1615 VHi74LVX86M-1Y J 74LVX86MTCX AD
IC2001 RH-iXA640WJZZQ J M306V3MG-105FP BA
IC2003 VHiMM1573DN-1Y J MM1573DNRE AD
IC2004 VHiPQ1L503M-1Y J PQ1L503M2SP AD
IC2005 VHiBU4052FV-1Y J BU4052BCFV-E2 AE
IC2006 VHiBD4729G+-1Y J BD4729G-TR AD
IC2009 VHiTC4W66U/-1Y J TC4W66FU AE
IC2010 VHiBR2416E2-1Y J BR24C16F AK
IC2011 VHiTC4W66U/-1Y J TC4W66FU AE
TRANSISTORS
Q701 VS2SA1037KQ-1Y J 2SA1037KQ AA
Q702 VSFMMT718//-1Y J FMMT718 AE
Q703 VSDTC144EE/-1Y J DTC144EE AA
Q803 VS2SA1530AR-1Y J 2SA1530AR AB
Q804 VS2SA1530AR-1Y J 2SA1530AR AB
Q806 VS2SA1530AR-1Y J 2SA1530AR AB
Q1101 VSFMMT718//-1Y J FMMT718 AE
Q1102 VS2SC4520//-1Y J 2SC4520 AE
Q1103 VS2SA1729//-1Y J 2SA1729 AF
Q1104 VSDTC144EE/-1Y J DTC144EE AA
Q1105 VS2SC4520//-1Y J 2SC4520 AE
Q1106 VS2SA1729//-1Y J 2SA1729 AF
Q1204 VSDTC144EE/-1Y J DTC144EE AA
Q1601 VS2SA1530AR-1Y J 2SA1530AR AB
Q1602 VS2SA1530AR-1Y J 2SA1530AR AB
Q1603 VSDTC144TE/-1Y J DTC144TE AB
Q1604 VS2SA1530AR-1Y J 2SA1530AR AB
Q1605 VS2SC3928AR-1Y J 2SC3928AR AB
Q1606 VS2SA1530AR-1Y J 2SA1530AR AB
Q1607 VS2SA1530AR-1Y J 2SA1530AR AB
Q2001 VSUM5K1NTR+-1Y J UM5K1NTR AC
Q2002 VSDTC114EE/-1Y J DTC144EE AB
Q2003 VSUPA606T//-1Y J UPA606T AD
Q2005 VSUPA606T//-1Y J UPA606T AD
Q2006 VSDTC114EE/-1Y J DTC144EE AB
Q2007 VSUPA606T//-1Y J UPA606T AD
DIODES
D701 RH-EX1247CEZZY J Zener Diode, 5.6V AB
D702 VHDDAN222//-1Y J Diode AA
D703 RH-EX1245CEZZY J Zener Diode, 5.1V AB
D704 VHDDAN222//-1Y J Diode AA
D706 VHDDAN222//-1Y J Diode AA
- LC-20B4M 1
- SPECIFICATIONS 4
- OPERATION MANUAL 5
- DIMENSIONS 7
- Preparation for Adjustments 12
- 1. Adjustment Procedure 12
- 4. Initialization 12
- 5. Adjustment 13
- 6. Lamp error detection 15
- 7. Public mode 16
- Count-down started from 5 17
- TROUBLE SHOOTING TABLE 18
- (Continued) 19
- CHASSIS LAYOUT 22
- INVERTER-A Unit 23
- INVERTER-B Unit 23
- BLOCK DIAGRAM 24
- OVERALL WIRING DIAGRAM 26
- IMPORTANT SAFETY NOTICE: 28
- SCHEMATIC DIAGRAM 29
- R/C, LED and OPERATION Unit 29
- MAIN Unit-1/7 30
- MAIN Unit-2/7 32
- MAIN Unit-3/7 34
- MAIN Unit-4/7 36
- MAIN Unit-5/7 38
- MAIN Unit-6/7 40
- MAIN Unit-7/7 42
- TUNER Unit-1/4 (LC-20B4M) 44
- TUNER Unit-1/4 (LC-20B4M(X)) 46
- TUNER Unit-2/4 48
- TUNER Unit-3/4 50
- TUNER Unit-4/4 52
- MAIN Unit (Side-A) 56
- MAIN Unit (Chip Parts Side-A) 57
- MAIN Unit (Side-B) 58
- TUNER Unit (Side-A) 61
- INVERTER-A Unit (Side-A) 64
- INVERTER-B Unit (Side-A) 66
- PARTS LIST 68
- DUNTKB750FE06 69
- DUNTKB768FE09 (LC-20B4M) 73
- DUNTKB768FE12 (LC-20B4M(X)) 73
- TUNER UNIT (Continued) 73
- DUNTKB590DE02 77
- DUNTKB591DE02 77
- CABINET PARTS LOCATION 78
- CABINET AND MECHANICAL PARTS 79
- ACCESSORIES 80
- SERVICE JIGS 80
- PACKING PARTS 80
- PACKING OF THE SET 81
- Design : Japan 82
- Production : Japan 82
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