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Ref. No.
Parts No.
Q881
2SC4081 (R,S)
Q902
2SC4081 (R,S)
Q903
DTA124EUA
Q981-983
2SC4081 (R,S)
Q984-986
DTC124EUA
Q987
DTA124EUA
● Semiconductor Working Description (X09-7052-70)
Ref. No.
Parts No.
D1~9
1SS133
D203
1SS133
D204
1SS133
D205
1SS133
D206
1SS133
D209
UDZW8.2 (B)
D210
UDZW8.2 (B)
D301
UDZW3.3 (B)
D302
UDZW3.3 (B)
D304
DAN202U
D305
UDZW3.3 (B)
D306
1SS133
D307
1SS133
D308
1SS133
D309
DAN202U
D310
DAN202U
D311
1SS133
D312
1SS133
D314
DAN202U
D315
DAN202U
D316~321
1SS133
D322
1SS133
D502~505
1SR139-400T64
D516
UDZW13 (B)
D517
UDZW15 (B)
D518
UDZW8.2 (B)
D519
UDZW5.6 (B)
D520
UDZW18 (B)
D521
UDZW24 (B)
D523
1SS355
KRF-V7300D/V8300D/V9300D
CIRCUIT DESCRIPTION
Description
The level shifter of video synch detection.
The level shifter of video synch detection.
The detection of the S terminal video signal and control video
selector IC.
The buffer amplifi er of video component signal.
The level shifter of video selection control signal
The level shifter of video selection control signal
Description
The base voltage pull-down for muting transistors,Q1~8 and Q101.
The temperature compensation for Q207.
The temperature compensation for Q208.
The current mirror.
The current mirror.
+9 power supply.
-9 power supply.
The voltage for mute control.
+3.3V power supply for microprocessor.
The OR circuit of power supply.
+3.3V power supply for protection control.
The protection Q305 control.
The protection Q305 control.
The detection level for FAN control.
The detection level for FAN control.
The detection level for FAN control.
The detection level for limiter control.
The detection level for limiter control.
The detection level for limiter control.
The detection level for FAN control.
Protect the relay from reverse current.
The detection level for limiter control.
+12V rectifi er.
The power supply (+B) for 2nd and 3rd stages of main amp circuit.
The power supply (+B) for 2nd and 3rd stages of main amp circuit.
The power supply (-B) for 2nd and 3rd stages of main amp circuit.
The power supply (-B) for 2nd and 3rd stages of main amp circuit.
The power supply (-B) for 2nd and 3rd stages of main amp circuit.
The power supply (-B) for 2nd and 3rd stages of main amp circuit.
Protect the Q510 from reverse current.
Logic
Logic
C-ch
S L and SB L-chs
S R and SB R-chs
S R-ch
C-ch
F L and F R-chs
F L and F R-chs
S L-ch
9
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