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TA1241ANG 2005-08-18 1 toshiba bipolar linear integrated circuit silicon monolithic TA1241ANG deflection processor ic for tvs ideal for large-inch crt, the TA1241ANG is an ic for deflection correction and vertical / horizontal picture size adjustment, with a 24-pin plastic package. the TA1241ANG can control all kinds of picture adjustment functions through i 2 c-bus communications. features bus write mode vertical amplitude adjustment vertical position adjustment vertical linearity correction vertical s correction vertical correction vertical eht correction trapezium correction horizontal amplitude correction horizontal eht correction parabola correction corner correction center curve correction (saw, par) bus read mode v-guard detection lvp detection v output detection e / w output detection pin output v centering (dac) h centering (dac) dynamic focus (dac) analog blanking lvp detection weight: 1.22 g (typ.)
TA1241ANG 2005-08-18 2 block diagram
TA1241ANG 2005-08-18 3 pin connection t a 1 2 4 1 a n g
TA1241ANG 2005-08-18 4 pin function pin no. pin name function interface input / output signal 1 v ref bias voltage external input pin for the v and e / w blocks. bus write mode controls the switching. D 2 eht in eht input pin. D 3 ew drive e / w drive output pin. also performs e / w detection in bus read mode. D 5 ew feedback e / w feedback pin. 4 nc D D D 6 v cc v cc pin. connect 9 v (typ.). D D
TA1241ANG 2005-08-18 5 pin no. pin name function interface input / output signal 7 v feedback vertical negative feedback input pin. when voltage on this pin equals or exceeds 6 v, the device outputs a blanking signal to pin 20 and sends discriminating data to bus read. D 9 v drive vertical signal output pin. also performs vertical output detection in bus read mode. 8 gnd gnd pin. D D 10 lvp in used to connect reference voltage to protect the deflection block from a low-voltage. D 12 lvp out outputs abnormal power supply detection result. also performs lvp detection in bus read mode. ok : dc0.7v ng : dc5.0v 11 dac h dac output pin for horizontal centering. D 17 dac v dac output pin for vertical centering. D 19 dac df dac output pin for dynamic focus. D 13 i 2 l gnd gnd pin for the i 2 l block. D D 14 sda sda pin for the i 2 c bus. D
TA1241ANG 2005-08-18 6 pin no. pin name function interface input / output signal 15 scl scl pin for the i 2 c bus. D 16 nc D D D 18 cent out outputs center curve correction waveform. D 20 blk out analog blanking output pin. open collector output. in bus write mode, outputs a vertical blanking signal for the vertical ramp. 21 v in inputs trigger pulse. detects the falling edge of the input pulse and generates a trigger pulse to the next-stage circuit.
TA1241ANG 2005-08-18 7 pin no. pin name function interface input / output signal 22 t.c this pin connects a pulse-shaping filter. D 23 v ramp used to connect a capacitor to generate a vertical ramp signal. 24 agc used to connect a filter to automatically adjust the vertical ramp oscillation amplitude. D
TA1241ANG 2005-08-18 8 i 2 c bus map write data map ic address : 10001100 (8ch) function sub address msb lsb data msb lsb preset msb lsb range picture height 0 0 0 0 0 0 0 0 o o o o o o o 0 1 0 0 0 0 0 0 ? 48~+48% v-liniarity 0 0 0 0 0 0 0 1 o o o o o 0 0 0 1 0 0 0 0 ? 13~+13% v-s correction 0 0 0 0 0 0 1 0 o o o o o o 0 0 1 0 0 0 0 0 ? 24~+24% v-shift. agc, reg 0 0 0 0 0 0 1 1 v a o o 0 0 0 0 0 0 1 0 ? 570~+570 mv v-compensation 0 0 0 0 0 1 0 0 o o o 0 0 0 0 0 0 0 0 0~9% picture width 0 0 0 0 0 1 0 1 o o o o o o 0 0 1 0 0 0 0 0 1.7~6.5 v e-w parabora 0 0 0 0 0 1 1 0 o o o o o o 0 0 0 0 0 0 0 0 0~4.4 v e-w corner 0 0 0 0 0 1 1 1 o o o o o 0 0 0 1 0 0 0 0 ? 3.2~+3.2% trapezium 0 0 0 0 1 0 0 0 o o o o o o o 0 1 0 0 0 0 0 0 0~2.4 v h-comp, h-cent dac 0 0 0 0 1 0 0 1 oooooo 0 0 0 0 0 0 0 0 0~9%, 1~5 v v- correct, blk-sw 0 0 0 0 1 0 1 0 b o o o o 0 0 0 0 0 0 0 0 0~4% v cent dac 0 0 0 0 1 0 1 1 o o o o o o o 0 0 0 0 0 0 0 0 0.5~5 v anarog blk-vh 0 0 0 0 1 1 0 0 o o o o o 0 0 0 1 0 0 0 0 ? 640~+640 mv anarog blk-vl 0 0 0 0 1 1 0 1 o o o o o 0 0 0 1 0 0 0 0 ? 640~+640 mv cent par, saw 0 0 0 0 1 1 1 0 o o o o o o 0 1 0 0 0 1 0 0 ? 4~+4 v, ? 2~+2 v dynamic forcus 0 0 0 0 1 1 1 1 o o o o o o 0 0 0 0 0 0 0 0 ? 0.5~5 v note: o : used bit, : unused bit a : agc switching (data = 0?high response, data = 1?low response) v : power supply switching (data = 0?stabilization power supply , data = 1?external power supply) b : blanking switch (data = 0?enabled, data = 1?disabled) when the uppermost bit of the subaddress is high, auto-increment mode is set. read data map ic address 10001101 (8dh) msb lsb function data non non non lvp v-guad e-wout vout pow discrimi- nation 0 D D D off off no signal no signal off 1 D D D on on signal signal on h - cent dac
TA1241ANG 2005-08-18 9 i 2 c bus conditions characteristics symbol min typ. max unit low level input voltage v il 0 ? 1.5 v high level input voltage v ih 3.0 ? vcc v low level output voltage at 3 ma sink current v ol1 0 ? 0.4 v input current each i/o pin with an input voltage between 0.1 vdd and 0.9 vdd i i ? 10 ? 10 a capacitance for each i/o pin c i ? ? 10 pf scl clock frequency f scl 0 ? 100 khz hold time start condition t hd;sta 4.0 ? ? s low period of scl clock t low 4.7 ? ? s high period of scl clock t high 4.0 ? ? s set-up time for a repeated start condition t su;sta 4.7 ? ? s data hold time t hd;dat 350 ? ? ns data set-up time t su;dat 250 ? ? ns set-up time for stop condition t su;sto 4.0 ? ? s bus free time between a stop and start condition t buf 4.7 ? ? s
TA1241ANG 2005-08-18 10 deflection correction table function output waveform picture change variable range vertical amplitude adjustment [picture height] ? 48 to +48% vertical linearity correction [v-linearity] ? 13 to +13% vertical s correction [v-s correction] ? 24 to +24% vertical correction [v- correction] 0 to 4% vertical eht correction [v-compensation] 0 to 9% vertical phase correction [v-shift] ? 800 to +800 mv
TA1241ANG 2005-08-18 11 function output waveform picture change variable range parabola amplitude adjustment [e-w parabola] 0 to 5.6 v corner correction [e-w corner] ? 3.2 to +3.2 v horizontal eht correction [h-compensation] 0 to +9% horizontal amplitude adjustment [picture width] 1.6 to 7.3 v parabola symmetry correction [trapezium] ? 9 to +9% center curve saw correction [cent saw] ? 2 to +2 v center curve parabola correction [cent par] ? 1 to +1 v
TA1241ANG 2005-08-18 12 maximum ratings (ta = 25c) characteristics signal rating unit power supply voltage v cc 12 v input pin voltage v in gnd ? 0.3 to v cc + 0.3 v power dissipation p d max 1250 (note) mw operating temperature t opr ? 20 to 65 c storage temperature t stg ? 55 to 150 c note: when using at temperatures higher than 25c, decrease maximum power dissipation by 10 mw for every 1c over 25c. operating condition characteristics symbol min typ. max unit power supply voltage v cc 8.5 9.0 9.5 v
TA1241ANG 2005-08-18 13 electrical characteristics dc electrical characteristics (test circuit 1) electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits pin no. pin name symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 1 v ref v 1 6.0 6.3 6.6 2 eht v 2 5.7 6.2 6.7 3 ew drive v 3 5.2 5.5 5.8 5 ew feedback v 5 8.7 9.0 9.3 7 v feedback v 7 2.0 2.4 2.8 9 v drive v 9 0.5 0.8 3.4 10 lvp in v 10 8.85 8.95 9.05 11 dac h v 11 0.5 1.3 2.1 12 lvp out v 12 0.0 0.8 1.6 14 sda v 14 4.8 5.1 5.4 15 scl v 15 4.8 5.1 5.4 17 dac v v 17 0.0 0.8 1.6 18 cent out v 18 5.5 6.0 6.5 19 dac df v 19 0.0 0.8 1.6 20 blk out v 20 0.0 0.0 1.0 21 v in v 21 D 0.0 D 22 t.c v 22 3.7 4.0 4.3 23 v.ramp v 23 2.2 2.5 2.8 24 agc v 24 v D 0.0 D no bus input measure the dc voltage of each pin. power supply current (v cc = 9 v) i cc ma 31.0 47.0 63.0 no bus input open openland, connect an ammeter between tp4a and tp4b, and measure the sink current.
TA1241ANG 2005-08-18 14 ac electrical characteristics (test circuit 2) electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 1 vertical trigger input shaping voltage v th21 v 0.7 1.0 1.4 all preset values, all sw-a (1) tp21 input : the following symbols (trigger pulse) (2) change the wave height of the trigger pulse on tp21. then read the wave height of the trigger pulse when a timing pulse is output to tp22. 2 pulse generator circuit clamping voltage v h22 v 3.8 4.0 4.2 all preset values, all sw-a (1) tp21 input : the above trigger pulse wave height = 3 v (2) observe the tp22 and tp23 waveforms with an oscilloscope. measure the following v h22 voltage: 3 pulse generator circuit shaping voltage 1 v m22 v 2.8 3.0 3.2 all preset values, all sw-a measure v m22 as above. 4 pulse generator circuit shaping voltage 2 v l22 v 0.9 1.0 1.1 all preset values, all sw-a measure v l22 as above. 5 vertical ramp amplitude v p23 v p-p 1.9 2.0 2.1 all preset values, all sw-a (1) tp21 input : same as 2 above (trigger pulse). (2) measure the tp23 waveform (vertical ramp) amplitude. note: unless otherwise specified in the bus data and sw mode column, use preset values and w-a.
TA1241ANG 2005-08-18 15 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 6 vertical amp amplification g v db 20 23 26 all preset values, all sw 7 -b (1) no tp21 input (2) v dc input : dc voltage is variable (0 to 6 v) (3) measure the tp9 voltage change in relation to the change in the tp7 voltage and calculate the following g v . 7 vertical amp maximum output voltage v h9 v 1.80 2.60 3.40 all preset values, sw 7 -b measure v h9 as above. 8 vertical amp minimum output voltage v l9 v 0 0 0.3 all preset values, sw 7 -b measure v l9 as above. 9 vertical amp maximum output current i max9 ma 18.0 25.0 32.0 all preset values, sw 7 -b (1) set v dc to 6v as above. (2) connect an ammeter between tp9 and gnd and measure the current. 10 vertical nf saw wave amplitude v p7 v p-p 1.40 1.60 1.80 all preset values, all sw-a (1) tp21 inpu : same as 2 above (trigger pulse). (2) measure the tp7 vertical saw wave amplitude. 11 vertical amplitude variable range v ph % 45.0 48.0 51.0 [00] (00) (7f), all sw-a (1) tp21 input : same as 2 above (trigger pulse). (2) measure the tp7 amplitude v p7 (00) when set the subaddress [00] to (00). (3) next, measure the tp7 amplitude v p7 (7f) when set the subaddress [00] to (7f). (%) + ? = 100 (00) p7 v (7f) p7 v (00) p7 v (7f) p7 v p v note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 16 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 12 vertical linearity maximum correction v l % 10.0 12.5 15.0 [08] adjustment, all sw-a [01] (00) (10) (1f) (1) set the data of subaddress [06] to (3f). set the data of subaddress [05] to (3f). change the subaddress [08] data so that the tp5 parabola waveform is symmetrical. (2) set the data of subaddress [06] to (00). set the data of subaddress [05] to (20). (3) when set the data of subaddress [01] to (10), measure the tp7 waveform v 1 (10) and v 2 (10) (4) likewise, when set the data of subaddress [01] to (00) and (1f), measure v 1 (00), v 2 (00), v 1 (1f), and v 2 (1f). [] 100 (10) 2 v (10) 1 v 2 (00) 2 v (1f) 2 v (1f) 1 v (00) 1 v l v + ? + ? = note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 17 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 13 vertical s maximum correction v s % 20.0 24.0 28.0 [08] adjustment, all sw-a [02] (00) (3f) (1) same as 12 above. (2) measure the amplitude v s7 (00) of tp7 when set the data of subaddress [02] to (00). (3) measure the amplitude v s7 (3f) of tp7 when set the data of subaddress [02] to (3f). % + ? = 100 (3f) s7 v (00) s7 v (3f) s7 v (00) s7 v s v 14 vertical maximum correction v % 3.0 5.0 7.0 [08] adjustment, all sw-a [0a] (00) (0f) (1) same as 13 above. (2) measure the amplitude v 7 (00) of tp7 when set the data of subaddress [0a] to (00). (3) measure the amplitude v 7 (0f) of tp7 when set the data of subaddress [0a] to (0f). % ? = 100 (00) 7 v (00) 7 v (0f) 7 v v note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 18 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 15 vertical nf center voltage v c v 3.8 4.0 4.2 [08] adjustment, all sw-a (1) same as 12 above. (2) observe the tp7 waveform and measure the v c shown below. 16 vertical nf dc change v dc mv 480 560 640 [08] adjustment, all sw-a [03] (00) (06) (1) same as 15 above. (2) measure the vertical nf center voltage v c (00) when set the data of subaddress [03] to (00). (3) measure the vertical nf center voltage v c (06) when set the data of subaddress [03] to (06). ) ( ? = mv 2 (00) c v (06) c v dc v 17 vertical nf eht correction v eht % 8 9 10 [08] adjustment, sw 2 -b [04] (00) (07) (1) same as 12 above. (2) v dc input : dc voltage=0v (3) observe tp7 waveform. (4) measure the amplitude v eht (00) of tp7 when set the data of subaddress [04] to (00). (5) measure the amplitude v eht (07) of tp7 when set the data of subaddress [04] to (07). (%) ? = 100 (00) eht v (07) eht v (00) eht v eht v note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 19 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 18 eht input d range 1 v h2 v 5.7 6.2 6.7 [08] adjustment, sw 2 -b [04] (07) (1) same as 17 above. (2) change the v dc voltage from 1v to 7v. (3) measure the change in the tp7 voltage at this time and measure the tp2 voltage v h2 . 19 eht input d range 2 v l2 v 1.3 1.8 2.3 [08] adjustment, sw 2 -b [04] (07) measure the tp2 voltage v l2 as above. 20 e / w nf maximum dc value v h5 v 5.5 6.2 6.9 [08] adjustment, sw-a [05] (00) (1) same as 12 above. (2) measure the tp5 voltage. 21 e / w nf minimum dc value v l5 v 1.5 1.7 1.9 [08] adjustment, all sw-a [05] (3f) (1) same as 12 above. (2) measure the tp5 voltage. 22 e / w nf maximum parabola value v pb v p-p 3.0 3.9 4.8 [08] adjustment, sw 2 -b [05] (3f) [06] (3f) (1) v dc input : 7v (2) measure the tp5 parabola amplitude. note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 20 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 23 e / w nf corner correction 1 v cr1 v p-p 1.80 2.50 3.20 [08] adjustment, sw 2 -b [05] (3f) [06] (3f) [07] (10) (1f) (1) v dc input : 7 v (2) observe the tp5 parabola amplitude. (3) measure the amplitude v cr1 (10) when set the data of subaddress [07] to (10). (4) measure the amplitude v cr1 (1f) when set the data of subaddress [07] to (1f). v cr1 = v cr1 (10) ? v cr1 (1f) 23? e / w nf corner correction 2 v cr2 v p-p 2.30 3.20 4.10 [08] adjustment, sw 2 -b [05] (3f) [06] (20) [07] (00) (1f) (1) v dc input : 7 v (2) measure the tp5 parabola amplitude. (3) measure the amplitude v cr2 (00) when set the data of subaddress [07] to (00). (4) measure the amplitude v cr2 (1f) when set the data of subaddress [07] to (1f). v cr2 = v cr2 (00) ? v cr2 (1f) 24 parabola symmetry correction change v tr % 11.0 13.0 15.0 [08] (00) (7f), all swa (1) measure the following as in 15 above. (2) measure the tp7 center voltage v c (00) when set the data of subaddress [08] to (00). (3) measure the voltage v c (7f) when set the data of subaddress [07] to (7f). (%) ? = 100 p7 v 2 (7f) c v (00) c v tr v v p7 is the value measured in 10 above. note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 21 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 25 e / w parabola eht correction v eh1 % 2.0 3.3 4.5 [08] adjustment, sw 2 -b [05] (3f) [06] (3f) (1) v dc input : dc voltage is variable (2) measure the tp5 parabola amplitude v eh (7) when dc = 7 v. (3) likewise, measure the amplitude v eh (1) when dc = 1 v. (%) ? = 100 (7) eh v (1) eh v (7) eh v eh1 v 26 e / w dc eht correction v eh2 v 0.6 1.0 1.4 [08] adjustment, sw 2 -b [05] (3f) [06] (3f) [09] (00) (07) (1) v dc input : dc voltage = 1 v (2) measure the tp5 parabola phase center voltage v pc (00) when set the data of subaddress [09] to (00). (3) likewise, measure the voltage v pc (07) when set the data of subaddress [09] to (07). v eh2 = v pc (07) ? v pc (00) (v) 27 e / w amp maximum output current i max3 ma 0.14 0.20 0.27 all preset values, all sw-a (1) connect an ammeter between tp3 and gnd. (2) read the current. 28 agc operating current 1 i agc0 a 250 330 410 all preset values, sw 24 -b (1) tp21 input : same as 2 above (trigger pulse). (2) monitor the tp24 waveform. measure the v x below. i agc0 = v x 200 (a) (i agc1 ) note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 22 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 29 agc operating current 2 i agc1 a 60 83 105 [03] (12) sw 24 -b calculate, as above, i agc1 when set the data of subaddress [03] to (12). 30 analog blanking output current i b20 ma 0.400 0.650 0.800 all preset values, sw 7 -b (1) v dc input : dc voltage = 5.5 v (2) connect an ammeter between tp20 and gnd and measure the current. 31 upper blanking level v h20 v 5.25 5.50 5.75 all preset values, sw 7 -b (1) same as 30 above. (2) v dc input : dc voltage = variable (4.0 to 5.5 v) (3) measure the v dc input voltage v h20 when the output current reaches half the output current measured above. 32 upper blanking change v hc20 mv 485 570 655 [0c] (00) (1f) sw 7 -b measure v h20 (00) and v h20 (1f) when set the data of subaddress [0c] to (00) and (1f) respectively. v hc20 =[v h20 (1f) ? v h20 (00)] / 2 (mv) 33 lower blanking level v l20 v 3.30 3.50 3.70 all preset values, sw 7 -b (1) same as 30 above. (2) v dc input : dc voltage = variable (2.5 to 4.0 v) (3) measure the v dc input voltage v l20 when the output current reaches half the output current of 30 above. 34 lower blanking change v lc20 mv 485 570 655 [0d] (00) (1f) sw 7 -b measure v l20 (00) and v l20 (1f) when set the data of subaddress [0d] to (00) and (1f) respectively. v lc20 = [v l20 (1f) ? v l20 (00)] / 2 (mv) 35 center curve saw positive correction maximum amplitude v csf v p-p 3.2 3.6 4.0 [08] adjustment, all sw-a [0e] (47) (1) same as 12 above. (2) measure the tp18 output amplitude when set the data of subaddress [0e] to (47). note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 23 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 36 center curve saw negative correction maximum amplitude v csr v p-p 3.2 3.6 4.0 [08] adjustment, all sw-a [0e] (40) as above, measure the tp18 output amplitude when set the data of subaddress [0e] to (40). 37 center curve parabola positive correction maximum amplitude v cpf v p-p 1.2 1.8 2.4 [08] adjustment, all sw-a [0e] (74) (1) same as 12 above. (2) measure the tp18 output amplitude when set the data of subaddress [0e] to (74). 38 center curve parabola negative correction maximum amplitude v cpr v p-p 1.2 1.8 2.4 [08] adjustment, all sw-a [0e] (04) as above, measure the tp18 output amplitude when set the data of subaddress [0e] to (04). 39 horizontal centering maximum output voltage v h11 v 4.8 5.0 5.2 [09] (40), all sw-a measure the tp11 voltage v h11 when set the data of subaddress [09] to (70). 40 horizontal centering minimum output voltage v l11 v 0.5 1.3 2.1 all preset values, all sw-a measure the tp11 voltage v l11 when set the data of subaddress [09] to (00). 41 vertical centering maximum output voltage v h17 v 4.8 5.0 5.2 [0b] (4f), all sw-a measure the tp17 voltage v h17 when set the data of subaddress [0b] to (7f). 42 vertical centering minimum output voltage v l17 v 0.0 5.0 1.6 all preset values, all sw-a measure the tp17 voltage v l17 when set the data of subaddress [0b] to (00). 43 dynamic focus correction maximum output voltage v h19 v 4.8 5.0 5.2 [0f] (3f), all sw-a measure the tp19 voltage v h19 when set the data of subaddress [0f] to (3f). note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 24 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 44 dynamic focus correction minimum output voltage v l19 v 0.0 0.8 1.6 all preset values, all sw-a measure the tp19 voltage v l19 when set the data of subaddress [0f] to (00). 45 lvp input discrimination voltage v lvp v 5.5 5.8 6.1 all preset values, sw 10 -b, read-mode (1) v dc input : dc voltage = variable; initial value = 9 v (2) lower the v dc input voltage and measure the tp10 voltage when the fifth bit from the lsb (in read mode) changes from 0 to 1. 46 lvp maximum output voltage v h12 v 4.8 5.0 5.2 all preset values, sw 10 -b (1) v dc input : dc voltage = 0 v (2) measure the tp12 voltage. 47 lvp minimum output voltage v l12 v 0.0 0.8 1.6 all preset values, sw 10 -b (1) v dc input : dc voltage = 9 v (2) measure the tp12 voltage. 48 lvp detection output current i l20 ma 0.43 0.65 0.87 all preset values, sw 10 -b, sw 7 -b (1) v dc input : dc voltage = 4 v (2) connect an ammeter between tp20 and gnd and measure the current. 49 v-guard discrimination voltage v grd v 5.8 6.0 6.2 all preset values, sw 7 -b, read-mode (1) v dc input : dc voltage = variable; initial value = 4 v (2) raise the v dc input voltage and measure the tp7 voltage when the data of the fourth bit from the lsb (when in read mode) changes from 0 to 1. 50 v-guard detection output current i g20 ma 0.43 0.65 0.87 all preset values, sw 7 -b (1) v dc input : dc voltage = 7 v (2) connect an ammeter between tp20 and gnd and measure the current. 51 v ref vertical amplitude control ratio v r % 24 30 36 [03] (44) sw 1 -b (1) v dc input : dc voltage = variable; initial value = 6.2 v (2) set the data of subaddress [03] to (42). (3) measure the change in the tp7 amplitude when the dc voltage changes from 6.1 to 6.3v. (%) ? = 100 0.2 v(6.3) v(6.1) r v note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 25 electrical characteristics test method (conditions v cc = 9 v, ta = 253c) limits no. characteristic symbol unit min typ. max bus data and switching mode [ ] ; subaddress, ( ) ; data test method 52 self-diagnosis vertical output D D D check D all preset values, all sw-a, read mode (1) turn the power on with no input to tp21. (2) check that in read mode, the b 2 data = 0. (3) check that when a trigger pulse is input to tp21, the b 2 data = 1. 53 self-diagnosis e / w output D D D check D all preset values, all sw-a, read mode check the b 3 data in the same way as above. 54 power on reset read detection D D D check D all preset values, all sw-a, read mode D 55 blanking switch operation check D D D check D [0a] (20), all sw-a (1) input a trigger pulse to tp21. (2) measure tp22 when set the data of subaddress [0a] to (20). check that tp22 outputs no signal. note: unless otherwise specified in the bus data and sw mode column, use preset values and sw-a.
TA1241ANG 2005-08-18 26 test circuit 1 dc characteristics t a 1 2 4 1 a n g
TA1241ANG 2005-08-18 27 test circuit 2 ac characteristics t a 1 2 4 1 a n g
TA1241ANG 2005-08-18 28 application circuit t a 1 2 4 1 a n g
TA1241ANG 2005-08-18 29 package dimensions weight: 1.22g (typ.)
TA1241ANG 2005-08-18 30

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