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Philco
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20F8T1
Schematic
50 pgs2.01 Mb0

Philco 20F8T1 Schematic

SERVICE MANUAL
Television-Video Cassette Recorder
CHASSIS: CP-420
MODEL: 20F8T1
1. SPECIFICATION S
TV STANDARD PAL B/G (F. FA MODEL), PAL BIG SECAM-L(L. LA MODEL)
PAL I (P.PA MODE L) PAL/SECAM B/G D/K (D. DA MODEL)
SCREEN SIZE
20" : 48cm (A48JLL90X)
MAIN VO LTAGE 230V AC 50Hz, 110~250V AC 50Hz(DA MO DEL) POWER
CONSUMPTION
SOUN D O U TP UT 1.5 Watts ( at 60% mod. , 10% THD ) SPEAKER 3 Watts 16 Ohm ANTENNA
IMPEDANCE TUNING SYSTEM FS ( FREQUENCY SYNTHESIS ) TUNING RECEPTION
CHANNEL UNIT
MEMORY CHANNEL 70 PROGRAMS AUX. TERMINAL RCA TYPE AV INPUT JACK
REMOTE CONTROLLER
TELETEXT 8page mem ory TOP and FLO F
STAND BY MODE : BELOW 3 Watts OPERATION MODE : 20" = 78 W a t ts
75 Ohm unbalanced input
VHF-L : E2 - S7 VHF-H : S8 - S36 UHF : S37 - E69
HEADPHO NE JACK ( 3.5mm R-35 w ith 2 "AA " type batteries
- West option : German/Deutch/Flemish,French,Italian, Spanish/Portuguese,Swedish/Finnish/Danish,Czech/Slovak
-East option : Polish,Czech/Slovak,Rumanian,Hungarian,Servocroat Ge rm a n/De u tch/Flemish,Fre nc h,Italian
-Turkish option : Turkish,English,German/Deutch/Flemish,French, Italian,Spanish/Portuguese,Swedish/Finnish/Danish
-Cyrillic option : R ussian,Lettish/Lithuanian,Estonian,Ukranian, Czech/Slovak,Servocroat,English
)
OTHER FEATURE ON SCREEN DISPLAY,SLEEP TIMER,ON/OFF TIMER
AU TO TU N ING CHILD LOCK TELETEXT PICTURE TYPE SELECTION 2-TUNER,TV/AV
WEIGHT
20” : 23.6kg(set)
2
1-2. VCR PART
GENER AL temperature
format standard tape width 12.65 mm tape speed S P : 23.39mm /sec
max . r e cor ding time with fu llsize cassette
AUDIO recording system longitudinal track
input -3.8dBm (500mVrms), more than 47Kohms, unbalanced. output -3.8dBm(500mVrms),less than 1Kohm, unbalanced frequency range 100Hz to 8KHz signal to noise ratio 40dB(more than)
VIDEO signal system PAL/SECA M colour and CCIR mono chrome signals,
recording system Rotary 2-head herical scan with a slant double azimuth
5
~ 35(operating)
-20
~ 60 (storage temperature)
LP : 11.70mm/sec SP : 240min. with E-240 video cassette
LP : 480min. with E-240 video cassette
625lines/50fields.
combination video head. input 1Vp-p, 75 ohm s, unbalanced output 1Vp-p, 75 ohms, unbalanced signal to noise ratio 45dB with NETTETE IMAGE control at center position. horizontal resolution 240 lines with NETTETE IMAG E control at center position
* Design and specifications can be subjected to change without notice.
CHANNEL COVERAGE
SYSTEM PAL,SECAM-B/G
PAL-I/I PAL,SECM-B/G,DK HYPER BAND
CHANNEL VHF ch 2 - 12
UHF ch 21 - 69 CATV ch X,Y,Z,S1-S41
PAL,SECM-B/G HYPER BAND
VHF ch 2 - 12 UHF ch 21 - 69 CATV ch X,Y,Z,S1-S41
PAL-I OAK-B/H
UHF ch21 -69 VHF LOW ch 1A- 5
VHF HIGH ch 5A-N11 UHF ch 21 - 69
IN/OUTPUT JACK TYPE
MODEL EUROPE MIDDLE EAST,ASIA,CIS AUSTRALIA JACK TYPE SCART TPYE & RCA TYPE RCA TYPE
3
3. Block Diagram
7
3. BLOCK DIAGRAM
3-1. Audio Signal Flow
8
3-2. Video Signal Flow
9
3-3. TV and monitor power switching
10
DVT-14F8
12
13
14
1 2 3 4 5
11
6
8
7
9
10
15
PART CODENo
51
7128301212
50
4857018900
49
4857913304
48
97P4602700
47
4855415800
46
7122401612
45
4857817610
44
4857817630
43
4852149311
42 41
7128301212
40
7174301011
39
4857024617
38
7174301011 4857024510
37
7174301011
36
4857026900
35
7174301011
34
4857027301
33 32
97P2316600
31
7122401612
30
4857242900
29
7174301011
28
4857243300
27
7124301211
26
7122401612 4851930100
25
4853948400
24
4851923500
23
7128301212
22
97P2338200
21 20
4857242000
19 18
97P2339600
17
4853530800
16-5
4857817640
16-4
4857817620
16-3
4857243000
16-2
16-1
4853816000 4851931601
16 15
4856013302
14 13
4856013300
12
4856215402
11
4858309110
10
4851926400
9
4856723100
8
4856715600 4854849901
7
48556136GU
6
7128301212
5
4851929700
4 3 7128301012 2
4851927000
1
4852063001
PART NAME
SCREW TAPPING PLT HT SINK IC RUBBER SPONGE CLAMP CORD SPEC PLATE SCREW TAPPING CLOTH BLACK CLOTH BLACK COVER BACK POWER PCB SCREW TAPPING SCREW TAPPTITE HEAT SINK SCREW TAPPTITE HEAT SINK SCREW TAPPTITE HEAT SINK SCREW TAPPTITE HEAT SINK
HOLDER AC CORD
SCREW TAPPING COVER TOP SCREW TAPPTITE SHIELD COVER SCREW TAPPING SCREW TAPPING DECK AS BRKT EARTH SHIELD CASE AS SCREW TAPPING HOLDER TR SHIELD PLATE MAIN PCB HOLDER IR HOLDER LED
CLOTH BLACK CLOTH BLACK SHIELD BUTTOM SCREW TAPPING7122401612 FRAME MAIN PCB M/FRAME P ASS'Y
SCREW CRT FIXING AS
CRT(14")
SCREW CRT FIXING AS
WASHER RUBBER SPEAKER DOOR F/L AS
SPRING F/L DOOR
SPRING BUTTON POWER MARK BRAND SCREW TAPPING BUTTON CTRL AS SCREW TAPPING
DECO SENSOR AS
MASK FRONT
Q'ty
T2S WAS 3X12 MFZN BK
2
AL
1
13.5X11X30
1
NYLON 66 BLK 5280N
1
150ART P/E FILM
1
T2S TRS 4X16 MFZN BK
4
FELT T0.7 L=300
2
FELT T0.7 L=400
1
HIPS BK1
1
T2S WAS 3X12 MFZN BK
3
TT2 RND 3X10 MFZN
2
AL EX
1 1
TT2 RND 3X10 MFZN
1 AL EX
TT2 RND 3X10 MFZN
1
AL EX
1
TT2 RND 3X10 MFZN
3
AL EX
1
NYLON66 UL/CSA
1
T2S TRS 4X16 MFZN BK
4
SPTH-C T=0.8
1
TT2 RND 3X10 MFZN
1
SPTH-C T0.3
1
T2S RND 3X12 MFZN
1
T2S TRS 4X16 MFZN BK
3 1
DRP-7103(2HD,SP) C5212P-1/2H T0.15
1
DVN-14F7JA
1
T2S WAS 3X12 MFZN BK
6
ABS2
SPTH-C T0.3
1 1
ABS1 FR HIPS BK
1
FELT T0.7 L=100
1
FELT T0.5 L=100
2 1
SPTH T0.3
T2S TRS4X16 MFZN BK 16+521
FR HIPS BK1
1 2
L=190MM
1 2
L=70MM
4
CR T2.0 3W 8OHM A30C-560
1
2817701+7823301
1
SWPB PIE 0.45
1
SWPA
1
ABS BK1 A1050P-H24 T0.4
1
T2S WAS 3X12 MFZN BK
2
4934501+HOLDER BUTTON
1
T2S WAS 3X10 MFZN BK
1
5532100+7817901
1 1
HIPS BK
MATERIAL
REMARKS
30+52
1+43
30+42
16+30
25+28
16+25 16+25
16+19
1+4
1+2
11

ELECTRICAL PARTS LIST

WARNING
COMPO NENTS MARKED W ITH THIS SYM BOL MUST ONLY BE REPLACED BY A COMPO NENT HAVING IDENTICAL PHYSICAL CHARACTERISTICS.
LOC PART CODE PART N AME PART TYPE REMARK
M821
M211 M541 M781 M782
M641 M801 M811 M822 ZZ131 L901
M191 M191A M192 M192A M211A M211C M481 M481A M491 M491A M561 M601A M601B M622
V01 V02 V03 V04 V05
4858213800
4852149321 4855415800 4857817610 4857817611
6520010100 4858035800 4858182200 4858215700 48519A4610 58G0000084
4851927300 7128301011 4851926400 4856719800 7122401612 97P4602700 4854845801 4856715600 4854930001 7128301011 4855613600 4856013300 4856013301 4856215402
58D1000046 48A96R004­ 4850PM001­ 2TG00020-­ 2224050033
BAG INSTRUCTION
COVER BACK SPEC PLATE CLOTH BLACK CLOTH BLACK
STAPLE PIN BO X C AR TO N PAD BA G PE CRT GROUND AS COIL DEGAUSSING
DECO SENSOR AS SCREW TAPPING D OOR F/L AS SP R ING SCREW TAPPING CLAMP CORD BUT TO N P OWER SP R ING BUT TO N SCREW TAPPING M AR K BR AN D SCREW CRT FIXING AS SCREW CRT FIXING AS WASHER RUBBER
CO IL DY RUBBER WEDG E MA G N E T CP TAPE GLASS BOND SILICON
L.D.P.E T0.05X250X400
H IPS BK 150ART P/E FILM (C/TV) FELT T0.7 L =30 0 FELT T0.7 L =20 0
18M /M J D O SW- 3 EPS 14F6 1000X950 1401H-1015-1P DC-1450
5526100+7817901 T2S WA S 3X 10 M FZ N 2817701+7823301 SWPB 0.35 T2S TRS 4X16 MFZN BK NYLON 66 BLK 5280N ABS BK SWP A ABS BK T2S WA S 3X 10 M FZ N COPPER T0.4 30X 80 BK 30X1 40 YL C R
OD Y -M 1 401 HM R 28 SR (|0X 54) NY-225 (MINI NECK) 20M MX30M RTV 2 52
!
12
LOC PART CODE PART N AME PART TYPE REMARK
V901
M201
PA601 SP601
ANT01 D101 D102 D108 DL01 DL02 DN01 DN01A DQ01 DQ02 DQ03 HP601 I201 I501 I502 I503 I504 I505 I601 I601 I601A I601B I702 I703 IL01 IL02 IN02 IN03 IQ 0 1 IY03 IY04 JA01
48A96414P1
4852064301
4850703S03 4858312410
4850M03110 D1S2186--­ D1S2186--­ DBB909A--­ D1S2186--­ D1S2186--­ DS15312H-­ 97P2339600 DKLY114L-­ DKLG114L-­ DKLR114L-­ 4859102430 1TDA9802-­ 1TDA8374N 3 1TDA4665V 4 1TDA8395-­ 1TC4053BP ­ 1KA7808--­ PTB2SW8900 1TDA7056-­ 4857018900 7174300811 1MN1280R-­ 1CAT24C08P 1STV8225-­ 1STV8225-­ 1K1A7042P­ 1BA6209--­ 1TFMW5380­ 1TA1238N-­ 1LA70001-­ 4859104940
CRT BARE
MASK FRONT
CO N N AS SPEAKER
MO D U L E R F DIO DE DIO DE DIO DE DIO DE DIO DE LED IR HO L DER I R LED LED LED JACK EARPHON E IC IC VIDEO PROCESSOR IC DE LAY IC IC IC RE G U L ATOR HEAT SINK ASS`Y IC HEAT SI NK I C SCREW TAPPTITE IC IC IC SIF IC SIF IC SWITC H IC IC P RE AMP IC S EC AM.L IC P RE AMP JAC K PHONO
A34 JLL 90 X
HIPS BK
YH025-03+YST025+ULW=200 SP-77A04
PH-RF-9701A 1S2186 1S2186 BB909A 1S2186 1S2186 SI531 2-H ABS KLY 114-L (YELLO W ) KLG-114L KLR114L YSC-1538 TDA9802 TDA8374/N3 TDA4665/V4 TDA8395 TC4053BP KA7808 1TDA7056-- + 7174300811 TDA7056 A1050P-H24 T1.6 TT2 RND 3X 8 MFZ N MN 1280R CAT24 C0 8 P STV8225 STV8225 KI A7 0 42P BA6209 TFMW5380 TA1238N LA70001 (2HD) YSC02P- 410 0-1 3 A
!
13
LOC PART CODE PART N AME PART TYPE REMARK
JS01 L101 L102 L103 L201 L604 M193 M194 M194A M194B M194C M231 M351 M391 M681 M682 M721 M721A M721B M722 M723 M724 M724A M725A M791 PA405 PA406 PA408 PA803 PA805 PA N 0 1 PAY 0 1 PAY 0 2 PAY 0 3 PN02 PN03 R580 SF01 SF02
4859200401 58C9780027 58E0000S37 58C9780027 58B0000S88 58C6R8J067 4851930200 4851931601 7122401612 7121301212 7128301212 97P2316600 4853530800 4853948400 4856812001 4856814600 4857242900 7122401612 7128301212 4851923500 4857242000 4857243300 7174300811 7128301011 4857913304 4850705S02 4850705S03 4850707S12 4850703S20 4850710V04 4850707V04 4859245710 4850702V07 4850706V10 4859278120 4859278220 RF-2Y100J­ 5PG1966M-­ 5PL9461M--
SO C K ET RGB CO IL CHO KE CO IL A FT CO IL CHO KE CO IL P IF CO IL CHO KE DE C K A S FRAME MAIN PCB AS SCREW TAPPING SCREW TAPPING SCREW TAPPING HOLDER AC CORD HO L DER LE D BR K T EA R T H TIE C AB L E CLAM P WIRE S HIE LD T OP SCREW TAPPING SCREW TAPPING SHIELD CASE AS SH IEL D P LAT E SHIELD CASE SCREW TAPPTITE SCREW TAPPING RUBBER CUSHION CO N N AS CO N N AS CO N N AS CO N N AS CO N N AS CO N N AS CONN HOUSING CO N N AS CO N N AS CO N N WA FER CO N N WA FER R FU S IB LE FILTER S AW FILTER S AW
SR-21A1 (ANGLE TYPE) TRF-1201B (0.97 UH ) TRF - A0 0 1 TRF-1201B (0.97 UH ) TRF - 778 0A (ST I CK ) TRF - 101 5C (6.8UH J) DRP-7203(2HD,SP/LP) 3816000+7817620+7817640 T2S TRS 4X16 MFZN BK T2S PAN 3X12 M FZN BK T2S WAS 3X12 MFZN BK NYL O N 66 U L/CS A FR H IPS B K C5212P-1/2M T0.15 N YLON66 D A1 00 NYL O N 66 SECC- O T0. 8 T2S TRS 4X16 MFZN BK T2S WAS 3X12 MFZN BK D VN - 14F7J A SPT H-C T 0.3 ET T0.3 TT2 RND 3X 8 MFZ N T2S WAS 3X 1 0 MFZN FR RUBBER SPONGE YH025-05+YST025+ULW=200 YH025-05+YST025+ULW=300 YH025-07+YST025+UAW=400 YH025-03+YST025+ULW=400 YH025-10+YBNH250+ULW=200 60-8283-3078-45+ULW=200 00-8370-041-000-800 BI C-0 2H - 2 0T+U SW= 100 60-8283-3068-45+UAW=150 TKC -G 0 6P -A1 TKC -G 1 0P -A1 1/2W 10 O HM J G1966M L 9461-M
14
LOC PART CODE PART N AME PART TYPE REMARK
SF03 SF04 SN01 SN02 SN03 SN03A SN04 SN04A SW01 SW06 SW07 SW08 TY01 U101 U101A U102 U102A X701 Z203 Z205 ZZ200 CC101 CC102 CC103 CC104 CC105 CC108 CC109 CC110 C C111 CC112 CC113 CC114 CC115 CC116 CC117 CC118 CC119 CC201
5PG1966M-­ 5PL9461M-­ 1SG239S--­ 1SG239S--­ TST5811--­ 97P2338200 TST5811--­ 97P2338200 5SN0101Z20 5S50202002 5S50202002 5S40202013 5800000032 4859717030 4859005350 4859717030 4859005450 5XE18R000E 5PMKT40M A ­ 5PMKT40M A ­ PTMPJ2A531 HCQK220JCA HCFK104ZC A HCFK103ZC A HCFK104ZC A HCFK104ZC A HCBK102K CA HCQK101JCA HCFK103ZC A HCFK103ZC A HCFK103ZC A HCFK103ZC A HCQK102JCA HCFK103ZC A HCQK101JCA HCFK103ZC A HCQK221JCA HCQK221JCA HCBK333K CA
FILTER S AW FILTER S AW IC S EN SO R IC S EN SO R TR PH O TO HO L DE R TR TR PH O TO HO L DE R TR SW D E TE C T SW TAC T SW TAC T SW P U S H CO IL O S C TUNER VARACTOR JACK PHONE PLUG A S TUNER VARACTOR JACK PHONE PLUG A S CRYSTAL QUARTZ FI LTER CE RA FI LTER CE RA PCB CHIP MOUN T B AS C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA C CHIP CERA
G1966M L 9461-M SG-239S SG-239S ST-5811( D-RA NK ) ABS ST-5811( D-RA NK ) ABS JDS1105-6X JTM - 11 08B 2 C-2 P JTM - 11 08B 2 C-2 P SPUJ19XSM011(KPJ 2S1B) DE0 -0 06 TELE9-084A PLUG+CA B LE1365 AW G 24=150D TELE9-084A PLUG+CA B LE1365 AW G 24=250D HC-49/U 18.000MHZ 30PPM MKT40MA100P MKT40MA100P D VT- 14F6LA 50V CH 22PF J 2012 50V Y5V 0.1MF Z 2012 50V Y5V 0.01MF Z 2012 50V Y5V 0.1MF Z 2012 50V Y5V 0.1MF Z 2012 50V X7R 1000PF K 2012 50V CH 100PF J 2012 50V Y5V 0.01MF Z 2012 50V Y5V 0.01MF Z 2012 50V Y5V 0.01MF Z 2012 50V Y5V 0.01MF Z 2012 50V CH 1000PF J 2012 50V Y5V 0.01MF Z 2012 50V CH 100PF J 2012 50V Y5V 0.01MF Z 2012 50V CH 220PF J 2012 50V CH 220PF J 2012 50V X7R 0.033MF K 2012
15
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