Transistor Voltages.
Position Collector Base Emitter Type Function
Q001 8v8 5v2 5v2 2SC1815Y TV/AV Switch Buffer
Q002 0v2 0v9 0v2 2SC1815Y AV2/AV1 Switch Buffer
Q031 0v1 0v8 0v1 2SC1815Y Test Pattern Switch Buffer
Q032 5v2 1v1 3v0 2SC1815Y Test Signal Buffer
Q051 4v3 -0v2 0v 2SC1815Y H Sync Amp
Q052 FET
5v1
Drain
0v
Gate
0v
Source
2SK2541 V Sync Amp
Q061 5v8 5v1 5v8 2SA1015Y Reset
Q062 12v4 5v8 5v2 BC337-40 +5v Regulator
Q091 6v2 0v2 0v 2N3904 VT Amp
Q121 5v3 0v8 0v 2SC3779D 1st IF Amp
Q211 0v 8v8 8v4 DTA124ES Spot Suppression
Q212 FET
1v3
Drain
0v
Gate
0v
Source
2SK2541
Q241 3v0 0v 3v7 2SA1015Y Luma Buffer
Q251 8v8 3v7 3v0 2SC1815Y SIF Trap Driver, TV Video.
Q252 8v8 3v0 2v3 2SC1815Y TV Video Buffer
Q261 8v8 3v9 3v3 2SC1815Y SIF Buffer
Q401 52v1 0v3 0v 2SC4544 H Driver
Q412 138v -0v1 0v 3DD1556 H Output
Q451 7v6 0v -0v6 2SC1815Y BCL Buffer
Q501 128v 8v1 7v7 2SC4544 R Output
Q502 7v7 3v3 2v7 2SC1815Y R Buffer
Q503 126v 8v1 7v7 2SC4544 G Output
Q504 7v7 3v3 2v8 2SC1815Y G Buffer
Q505 129v 8v1 7v7 2SC4544 B Output
Q506 7v7 3v2 2v7 2SC1815Y B Buffer
Q507 0v 0v4 1v1 2SA562TM-0 RGB Bias
Q631 24v6 0v 0v 2SC1815Y Audio Mute
Q633 0v 11v8 11v7 2SA1015Y Audio Plop Suppression
Q711 3v9 3v8 3v2 2SC1815Y EW Amp
Q721 0v6 7v6 8v7 2SA1015Y EW Amp
Q722 13v3 0v6 0v 2SD1499Q (PWR) EW Output
Q801 * 196v 16v7 18v 2SC4793 (VM) 16V Regulator
Q830 12v6 140v 141v 2SB649A Stby Switching
Q831 140v 0v 0v BF422 Stby Switching
Q911 8v8 4v4 8v7 2SC1815Y AV1 Audio Buffer R
Q912 8v8 4v4 8v7 2SC1815Y AV1 Audio Buffer L
Q913 8v8 4v4 8v7 2SC1815Y AV1 Composite Buffer
Q921 8v8 4v4 8v7 2SC1815Y AV2 Audio Buffer R
Q922 8v8 4v4 8v7 2SC1815Y AV2 Audio Buffer L
Q923 8v8 4v4 8v7 2SC1815Y AV2 Composite Buffer
Q931 7v9 2v4 1v7 2SC1815Y AV Out Audio L
Q932 7v9 2v4 1v7 2SC1815Y AV Out Audio R
Q933 7c3 2v8 2v1 2SC1815Y AV Out Composite Video Amp
Q934 4v2 7v3 8v0 2SA1015Y AV Out Composite Video Amp
Q963 8v8 3v7 3v0 2SC1815Y Luma Buffer
Q964 8v8 3v7 3v0 2SC1815Y Chroma Buffer
Q971 8v8 4v4 8v7 2SC1815Y S. Video Chroma Buffer
Q981 8v8 4v4 8v7 2SC1815Y S. Video Luma Buffer
Q991 8v8 4v4 3v7 2SC1815Y TV Composite Buffer
Q1001 8v9 8v7 8v0 2SC1815Y 8v Regulator Nicam
Q1002 8v9 2v0 1v4 2SC1815Y L AF Buffer Nicam
Q1003 8v9 2v0 1v4 2SC1815Y R AF Buffer Nicam
General conditions: PAL Colour Bars, Channel 13, 1mV RF Input,
Standard Picture, Sound = Zero.
Special condition: * = Measured w.r.t. C806 negative terminal.
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