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Projection Television
Hitachi
50SBX78B, 60SBX78B
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99 pages, 19.72 Mb
Contents
Main
SERVICE MANUAL
CONTENTS
SEPTEMBER 1998 HHEA-MANUFACTURING
SPECIFICATIONS AND PARTS ARE SUBJECTTO CHANGE FOR IMPROVEMENT
PROJECTION COLOR TELEVISION
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SAFETY PRECAUTIONS
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SERVICING PRECAUTIONS
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Leadless Chip Components (surface mount)
Component Removal
Chip Component Installation
How to Replace Flat-IC -Required Tools-
TECHNICAL CAUTIONS
I
SPECIFICATIONS
CIRCUIT PROTECTION
/ 5A125V\
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CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS
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1 .
I I I
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I
Ill
TV GUIDE PLUS+
w+
SET UP TV GUIDE Plus+ STEP 4
STEP 5 1.
Basic connection for TV GUIDE Plus+ setup with no cable box and no VCR.
SET UP TV GUIDE Plus+ STEP 6
Basic connection for TV GUIDE Plus+ setup with cable box and without VCR.
ff
Cable TV Box
STEP 7
SET UP TV GUIDE Plus+ STEP 8
STEP 9
Basic connection for TV GUIDE Plus+ setup without cable box and with VCR.
VCR #I
SET UP TV GUIDE Plus+
/
STEP 11
END OF SET UP
CAUTIONS WHEN CONNECTING / DISCONNECTING THE HV CONNECTOR
SERVICE ADJUSTMENTS
I-l+1
(1) ;:;
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Notes:
NOTE:
Note:
2.2 White balance adjustment
2.3 Sub brightness adjustment
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2.14.3 Convergence point adjustment
Notes:
2.14.4 Digital Convergence Remote Control
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HITACHI m ?oLQt
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1 0
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[SIGNAL P.W.B )
3.3 MAIN CHASSIS (Power/Deflection P.W.B.)
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3.4 CPT (R) (G) (B), Focus Pack, Control P.W.B.
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TROUBLESHOOTING 1. No Raster and No Power (REPAIR METHOD)
1
No I Yes
How to check DIAGNOSIS LEDs.
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+
1
Yes
2. No Picture
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4. Defective Synchronization
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5. Incorrect Color \
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6. No Sound
DCU REPAIR TABLE
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REPLACEMENT PARTS LIST
L
SYMBOL
ABBREVIATIONS Capacitors: Resistors: Semiconductors:
PART NO.
ZiEr
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REPLACEMENT PARTS LIST
SYMBOL
PRODUCT
SYMBOL PART PART SYMBOL PART PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION
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TRANSISTORS
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PRODUCT SERVICE
SYMBOL PART PART SYMBOL PART PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION R022
85
PRODUCT SERVICE
SYMBOL PART PART SYMBOL PART PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION ROP7
86
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PRODUCT SERVICE
SYMBOL PART PART SYMBOL PART PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION
96
TRANSFORMERS
SWITCHES RY50
REPLACEMENT PARTS LIST
SYMBOL
I
SYMBOL
PRODUCT SERVICE
PART PART PART SYMBOL PART PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION ESR EF05951