NEC FS-68T90 CRT TV Manuals

Manuals and User Guides for NEC FS-68T90 CRT TV. We have 2 NEC FS-68T90 CRT TV manuals available for free PDF download: Service Manual, Instruction Manual

NEC FS-68T90 Service Manual

NEC FS-68T90 Service Manual (91 pages)

59/68 Cm STEREO Color Television

Brand: NEC | Category: TV | Size: 3 MB

Table of Contents

Table of Contents
2
Main Features
3
Specifications
3
External Terminals
3
Channel Table
5
Safety Instruction
8
Alignment Instructions
9
Microcontroller Configuration : Service Mode
9
Microcnotroller Configuration : Option
9
TV Set Alignment
11
IC Description
13
Tda936X TV Signal Processor - TXT with Embedded -Controller
13
MSP34 Multistandard Sound Processor
20
Tda894X J Stereo Audio Amplifier
24
Tda835Xj Vertical Amplifier
25
Tda6107Q
27
24C08 8 Kbit EEPROM
28
Str-F665X
29
Circuit Description
31
Block Diagram
31
Source Switching
36
Controller I/O Pin Configuration and Function
36
Sound Processing
37
Sound Amplification
38
Vertical Deflection
39
Power Supply (STR-F6654)
40
TV Start-Up, TV Normal Run and Stand by Mode Operations
44
Service Parts List
51
PCB Difference Part (PCB Change of FS-Xxt90)
51
CRT Difference Part
51
Function & Cabinet Difference Part
61
All Electrical Parts List
62
Exploded View
84
PCB Layout
86
Old Main PCB (4859804393)
86
New Main PCB (4859806493)
87
Control PCB (4859833214)
88
Circuit Diagram
89
Old Main PCB
89
New Main PCB & Control PCB
90

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NEC FS-68T90 Instruction Manual

NEC FS-68T90 Instruction Manual (21 pages)

Brand: NEC | Category: TV | Size: 2 MB

Table of Contents

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