Specifications

Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 28 TC8.1A CA9.
9. Circuit Descriptions, Abbreviation List, and IC Data Sheets
Index of this chapter:
9.1 General
9.2 Chassis Block Diagram
9.3 Brief IC Descriptions
9.4 Abbreviation List
Notes:
• Figures can deviate slightly from the actual situation, due
to different set executions.
• For a good understanding of the following circuit
descriptions, please use the Wiring, Block (chapter 6) and
Circuit Diagrams (chapter 7). Where necessary, you will
find a separate drawing for clarification.
9.1 General
This chassis uses the Toshiba TPMA8891 processor/decoder,
and has the following key components:
9.2 Chassis Block Diagram
Below find the chassis block diagram:
Figure 9-1 Chassis block diagram
Item Part No. Name of IC Function
IC201 13-PA8891-PSP TMPA8891CXBNG MCU & Decoder
TU101 07-389FI5-NA3G FSBP05P-3-E Tuner
Z101 45-SAW296-6M00G K2966M SAW Filter
IC001 13-24C08A-PUP27 AT24C08A EEPROM
IC601 13-TDA749-6AS TDA7496SA Audio output amplifier
IC901 13-000040-53P HCF4053B Analog Switch
IC301 13-LA7804-0NS LA78040N-E Vertical Deflection Output IC
Q402 11-4508DZ-0CX BU4508DZS Horizontal Output IC
IC801 13-TEA150-6PP TEA1506P Power Controller IC
Video &
Audio
Audio
EEPROM
( IC001)
+24V
B
R
SDA SCL
TDA7496
SA
(IC601)
Decoder & MCU
TMPA8891
(IC201)
CRT
CRT
Board
Horizontal
Output circuit
Vertical Output
LA7804
(IC301)
TUNER
(TU101)
SAWF
(Z101)
4053BP
( IC901)
AV2 AV1
G
AV output
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