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ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
VID RC5 & TRIGGER.sch
AV8 RC5 Trigger
Contact Engineer:
L922CT
8-Aug-2002
INITIALS
Printed:
5 11Sheet of
Notes:
Contact Tel: (01223) 203200Andrew Dutton
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB5 9PB
Waterbeach
23425
R452
100K 0805
L400
27MH
C433
680P PP
C424
10N 0805
R450
1K0 0805
R432
10K 0805
3
2
1
IC400A
LM393A SM
R433
10K 0805
R453
100K 0805
P5V
5
6
7
IC400B
LM393A SM
R440
10K 0805
R434
10K 0805
P5V
Carrier Demodulator
C415
1N 0805
Carrier Filter
Demod1
R448
1K0 0805
R430
470R 0805
D400
4V7 350MW SM
DGND
DGND
DGND
+
C426
10U EL
R404
10K 0805
DGND
TRIGGER OUTPUT
APPROX 11.4 DC
60mA MAX CURRENT
R454
100K 0805
L401
27MH
C434
680P PP
C425
10N 0805
R451
1K0 0805
R438
10K 0805
5
6
7
IC401B
LM393A SM
R439
10K 0805
R455
100K 0805
P5V
3
2
1
IC401A
LM393A SM
R445
10K 0805
R446
10K 0805
P5V
Carrier Demodulator
C418
1N 0805
Carrier Filter
Demod2
R449
1K0 0805
R431
470R 0805
D401
4V7 350MW SM
DGND
DGND
DGND
C400
1N 0805
C417
1N 0805
C419
1N 0805
R461
470R 1W CF
+
C423
100U EL
P12V
DGND
MAIN ZONE ENABLE
DGND
C401
1N 0805
C429
22P NPO 0805
C430
22P NPO 0805
C428
22P NPO 0805
Q403
DTRANN SM
TRIGGER
RXDATA
TXDATA
SIGGND
CHASSIS
C431
22P NPO 0805
C432
22P NPO 0805
C416
1N 0805
DEMOD1
DEMOD2
R447
10K 0805
VGND
P5VV
PROGRAM
MAIN ZONE ENABLE
RXDATA
TXDATA
SIGGND
PROGRAM
DGND
Q405
BC859B
R436
10K 0805
R435
10K 0805
R441
10K 0805
C420
1N 0805
84
IC401C
LM393A SM
84
IC400C
LM393A SM
DGND DGND
P5VP5V
C421
100N 0805
C422
100N 0805
P12V
Q404
DTRANN SM
Q406
DTRANN SM
Q402
BC859B
R401
4K7 0805
R402
4K7 0805
R403
100R 0805
DGND
SW402
TACTSW A1501
PROGRAM
CHASSIS
CHASSIS
CHASSIS
CHASSIS
CHASSIS
R456
1K8 0805
R458
1K5 0805
R457
1K8 0805
R459
1K5 0805
R464
10R 0805
Q407
BC849B
R408
10K 0805
Q408
BC849B
R415
10K 0805 1%
R417
10K 0805 1%
ZONE2 ENABLE
ZONE2 ENABLE
4
5
6
TOP - B
SK402B
JACK STEREO DUAL 3.5MM
TRIGGER ZONE2
C402
1N 0805
CHASSIS
TRIGGER ZONE2
Q412
BD180 PNP TO-126
Q411
BD180 PNP TO-126
R414
6R8 0805 1%
R413
6R8 0805 1%
R405
4K7 0805
R407
10K 0805
R406
10K 0805
DGNDDGNDDGND
Q409
BC859B
P12V
12V 100mA
12V 100mA
R416
10K 0805
DGND
4
5
6
TOP - B
SK403B
JACK STEREO DUAL 3.5MM
TP401
TP402
TP400
TP405
TP406
TP407
TP413
TP414
TP415
TP403
TP404
TP408
TP409
TP410
TP412
Q413
BC859B
R400
4K7 0805
Q400
BD180 PNP TO-126
R411
10K 0805
DGND
Q414
DTRANN SM
P12V
Q410
BC859B
R409
4K7 0805
R410
4K7 0805
R420
10R 0805
Q401
BD180 PNP TO-126
1.0
+
C403
10U EL
1
2
3
BOTTOM - A
EMC
SCRN1
SCRN2
SK402A
JACK STEREO DUAL 3.5MM
1
2
3
BOTTOM - A
EMC
SCRN1
SCRN2
SK403A
JACK STEREO DUAL 3.5MM
SK404
JACK STEREO 3.5MM JY039
Q422
DTRANN SM
Q423
DTRANN SM
Q431
DTRANP SM
Q428
DTRANP SM
SCART CTRL 0 SCART CTRL 1 SCART CTRL 3
Q424
DTRANN SM
SCART CTRL 2
Q425
DTRANN SM
Q432
DTRANP SM
D404
5V6 400MW
Q430
DTRANP SM
SK400
JACK STEREO 3.5MM JY039
Q419
DTRANN SM
Q420
DTRANN SM
D402
5V6 400MW
Q427
DTRANP SM
SCART CTRL 4 SCART CTRL 5
Q421
DTRANN SM
SCART CTRL 6
Q429
DTRANP SM
VGND
VGND
Q417
FMMT597
R412
10R 0805
R421
10K 0805
VGND
P12V
RGBSTAT
CVBSSTAT
CVBSSTAT2
SPARESTAT
Q415
BC859B
Q418
FMMT597
R418
10R 0805
R423
10K 0805
VGND
P12V
Q416
BC859B
R422
10K 0805
R425
10K 0805
R424
10K 0805
R419
10K 0805
C1103
10N 0805
C1104
10N 0805
C1105
10N 0805
C1100
10N 0805
C1101
10N 0805
C1102
10N 0805
CHASSIS
CHASSIS
Q426
DTRANP SM
02_E029 WAF 31/1/02 PRODUCTION ISSUE FOR ATE
Drive of RGBSTAT and SPARESTAT have been swapped
over to allow RGBSTAT output to be either 1V, 12V or
VGND.
N.B. RGBSTAT requires a 1V signal into a 75 Ohm load.
D403
10V 400MW
1
6
2
7
3
8
4
9
5
EMC
10
EMC
11
SK401
DTYPE 9 WAY MALE BOARDLOCK
2.002_E053 MJT 26/02/02 FINAL RELEASE MODS ADDED BEFORE PRODUCTION
3.002_E103 MJT 15/05/02
Corrected JY039 socket schematic symbol, changed schematic to
keep PCB the same.
02_E112 AJD 6/06/02 Updated R431 and 430 to improve the IR reciever reliability. 3.1
02_E163 WAF 8/08/02 IC701 CHANGED FROM 74LV244D TO 74HCT244D 3.2