Haier HTAF21C Service Manual

Also see for HTAF21C: User manual User manual Service manual

Contents

Haier HTAF21C Service Manual Manual pdf 8 page image

8GND(out 1) 3 Ch 1Ground VOL 9 Volume ControlOut 1 (-) 4 Ch 1 output (-) Out 2 (-) 10 Ch 2 output (-)Standby 5 Mute input GND(out 2) 11 Ch 2 GroundIn 1 6 Ch 1 input Out 2 (+) 12 Ch 2 output (+)4. N301: Vertical output (TDA8357A)Symbol PIN Function Symbol PIN FunctionINV IN 1 Input PUMP UP 6 Pump up powerINV IN 2 Input V OUT 7 Vertical outputVcc 3 Pump up power V PRO 8 Vertical protectionV OUT 4 Vertical output V FEEDBACK 9 Vertical feedbackGND 5 Ground5. U101：TunerPIN Function PIN Function1 AGC 7 +5V2 vacant 8 vacant3 Gnd 9 Vt 33V4 SCL 10 Gnd5 SDA 11 IF Out6 +5V4. ADJUSTMENTSpecific operation: use remote controllerPress “MUTE” Æ “CALL” Æ “-\--“ Æ “CALL” Æ “MUTE” buttons in sequence to enter into factory mode.Press [Program+] / [Program-] to select items and press [VOLUME+] / [VOLUME-] key, to make dataadjustment of corresponding factory menus.Press “EXIT” key to exit factory mode.Focus adjustment1. Receive a crosshatch signal.2. While watching the screen, adjust the FOCUS VR on the FBT to make the vertical and horizontallines as fine and sharp as possible.Geometrical adjustmentReceive PAL standard complete pattern signal.Adjustment steps：a) Adjust VSL, to the centre horizontal line just appears from half bottom shadow.b) Adjust VAM, to get 92% of vertical picture contents would be displayed on CRT.c) Adjust VSH, the centre horizontal line corresponds to CRT vertical centre.d) Adjust SCL, to the linearity of P card field is in proper condition.e) Adjust HSH, to get the picture horizontal centre correspond to CRT horizontal centre.Receive NTSC signal and repeat above adjustment.