Hitachi C1421R/T Wartungshandbuch Seite 60

mm WAVE FORMS
SCHEMATIC DIAGRAM
CHASSIS : CP—375
(HITACHI)
« PAL — B/G
* PAL/SECAM ~— B/G , SECAM — L
* PAL —
NOTES
1 ALL RESISTORS ARE 1/6W WATT UNLESS
OTHERWISE. NOTED
2 CAPACITANCE VALUES 1 AND ABOVE ARE IN pf
EXCEPT AS INDICATED
3 INDUCTOR VALUES ARE IN uH EXCEPT AS INDICATED
4 ALL DIODE ARE 1N4148 EXCEPT AS INDICATED
5 ALL NPN TRANSISTOR ARE KTC3198Y ALL PNP TRANSISTER
ARE KTA1266Y EXCEPT AS INDICATED
6 ALL THE DC VOLTAGES IN EATH POINT ARE MEASURED
WITH DIGITAL VOLTMETER
UNDER THE STANDARD PAL COLOUR BAR SIGNAL INPUT
(5 CHANNEL) AND ALL CONTROLS SET TO THE
MAXIMUM POSITION
AT NOMINAL LINE VOLTAGE AC 230V 50HZ
7 SINCE THIS SCHEMATIC DIAGRAM IS A STANDARD ONE
THE CIRCUIT AND CIRCUIT CONSTANS MAY BE SUBJECT TO
CHANGE FOR IMPROVEMENT WITHOUT ANY NOTICE
SAFETY CAUTION
BEFORE SERVICING THIS CHASSIS IT IS IMPORTANT THAT
THE SERVICE TECHNICIAN READ FOLLOW THE
"X-RAY RADIATION PRECAUTION "SAFETY PRECAUTIONS'
AND "PRODUCT SAFETY NOTICE" IN THE SERVICE MANUAL
PRODUCT SAFETY NOTE
COMPONENTS MARKED WITH IN ARE IMPORTANT FOR MAINTAINING
THE SAFETY OF THE SET AND SHOULD BE REPLACED ONLY
WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL OR
SPECIFIED ONE IN THE PARTS UST
DONT DEGRADE THE SAFETY OF THE SET THROUGH
IMPROPER SERVICING
——S
WAVE FORMS
VIDEO : 8 STEP PAL COLOR BAR 875% AM
AUDIO : 1KHz SINE WAVE 60% FM
@ 586mv pp |@ 26 pp |@tv pp |@ 23 pp
*
@ 940V p_p O
" ~
@ Somv p_p M
Dc
DIFFERENT PART FOR SYSTEM
no LOC | NAME P-B/G | P-I P/SECAM-L
1 | pwo1 | POWER CORD } cw4232 cw3222 cw4232
2 | uto1 | TUNER 3303KHC OT2-1V17D 3303KHC
3 [sri0i SAW FILTER cigeem | -| u1952M G1966M
4| 7501 | CERA FILTER | TPS5 5MB TPS6 OMB TPSS 5MB
5 | z6o1 | CERA FILTER | SFSHS5MCB- | SET6 OMB SFSH5 SMCB-
6 | Z602 | CERA FILTER —_— —_ a=
7} 1501 | Ic vep TDA8374A TDA8374A TDAB374
8] 1503 | IC SECAM — — TDAB395
9 | 0705 |TR KTC3198C = KTC3198Y
rol 0706 |TR KTC3198C —= KTC3198Y
11] Q708 |7R KTA1266Y — KTA1266Y
12| a709 [TR KTAI266Y | — KTA1266Y
131 R729 |R C-FILM 33K — 33K
14] R730 | R C-FILM 33K : —_ 33K
15| R732_|R C-FILM 4.7K — 4.7K
16] R733 | R C-FILM 47K — 4.7K
17| R736 |R C-FILM 47K: — 47K
18] R737. |R C-FILM 4.7K — 4.7K
191 c1o4_}C ELECTRO 50V_4.7u 50V 4.7u 50V_33u
20] c105_|C ELECTRO 50V 4.7u_, 50V_4.7u
211 clos 25V 0.01u
50V 4.7u
22[cior [ o e exectro | soar | — |
c108_|C CERA rvoow | — |
241 7101 [cera rurer _| FILTER
26V 0.01u
MKT40MA100P
25 | 2102 _| CERA FILTER
MKT40MA100P_
STV8225
L9461M
Ic AM DEMOD
SAW FILTER
26} 1101
SLOt
TR KTC_3198Y
KTC 3198Y nN oS
nN a
= a
30] QLO3 |TR KTC 3198Y
31 | Q702
32
TR KTC 3198Y
MABS9
| — |
| — | — |
| —i| — |
a ee
(eee et
Sa ee
es ee
pLo2 | pioDE | — i{| — | MABS9
34 R C-FILM — | | — | 22K
35| RLO2 | R C-FILM a = 100
36] RL03 |R C-FILM — — 22k
37] RLO4 R C-FILM 7 == 10K
38] RLo5 |R C-FILM — — 10K
39] RLo6 |R C-FILM —_— — 68K
40| R07 |R C-FILM — — 1/4W 120
41] RLOB R C~FILM — —s 15K
42| RLo9 |R C-FILM — —_ 750
43] rL10 |R C-FILM —. — 22k
44[ R101 |R C-FILM —_— — 47
48| R712 |R C-FILM — — 10K
46| R713 |R C-FILM —_ —_ 68K
R752 |R C-FILM = = 10K
R763 |R C-FILM —_ — 100
choi |c CERA —_— — Bov 22
cLoz | ELECTRO — — SOV 47u
clo3. |C CERA — . —_— OV 001u
ciod |¢ ELECTRO — —_ OV 47u
clos | CERA — — Sov 22
cios | C ELECTRO — — 50V 47u
CLO? |C CERA — — Sov 82
¢707_|C ELECTRO — 3 _— 50V_10u
728 |C_CERA — | — 50V_0,022u
T
JPOB_ {WIRE COPPER WIRE COPPER | WIRE COPPER Eas
JPOS | WIRE COPPER WIRE COPPER WIRE COPPER —=
DIFFERENCE OF PARTS FOR OPTION
— TELETEXT OPTION
OPTION (701(IC_ MICOM) X701(X-TAL) C719(C MYLAR)
WEST EUROPE TELETEXT HC-49U 18MHz | SOV EU 0 33MF
Soe sE ER Va Sr nel
— ANTENNA OPTION
DIFFERENT PARTS FOR CRT
no} LOC 14" 20° 21"
i acue ORION PHIUPS THOMSON ORION THOMSON PHILIPS THOMSON
A34JLL90X01 | A34EACO1X06] A34EFUI3XO1] A4BULL9OX02 ] A4BEEV33XO1| ASTEALSSXO1] ASTEBV13X09
2 | sen ISMMO3S. iSMMO3S —_ ISMMO3S
3 | sct2 — — ISHSO9S — ISHSO9S ISHSO9S ISHSO9S
4 | p/co | oc-1450 Dc~1450 DC-1450 DC-2050 DC-2050 0C-2070 0C-2070
5 | Lpo4 = MD-5 MD-5 — MD-5 —_— —
6 | LPo3 MD~5 == — MD-5, —— MD-5, MD-5S
7 | 1405 L-125 L-125 L-102 L-102 L-76 L-102 L-125
8 | c409 2Kv 470 2KV 470 2KV 470 2KV 470 2KV 220 2KV 470 2KY 470
9 | C410 1 6KV 7500 1 6KV 6200 1 6KV 6200 1 6KV 7500 [ 1 6KV 7200 1 6KV 7500 1 6KY 6900
10) cat 200v 047 200V 051 200V 068 200V 0 36u 200V 0 39u 200V 051 200v 051
11] R302 1/6w 18K 1/6W 18K 1/6W 22K 1/6W 22K 1/6W 22K 1/6W 22K 1/6W 22K
12] R413 1/4W 120K 1/4W 150K 1/4w 150K 1/4W 68K 1/4W 82K 1/4W 68K 1/4W 68K
13} R415 | 1W12(F) A | 1W 0.47(F) 1W 0 18(F) tw 24(F) A | 1W 0,47(F) 2W 3(F) A IW 4 2(F)
14] R807 Iw 24K iw 24K iw 24K 1w 27K Ww 27K IW 27K IW 27K
15] RQ01-3] 1/6W 3K 1/6W 2 4K 1/6W 24K 1/6W 2K 1/6W 2K 1/6W 2K 1/6W 2K
16| R904~6| 1/6W 2K 1/6W 2K 1/6w 2K 1/ew 1 6K 1/6W 1.6K 1/6w 1 6K 1/6W 1 6K
17} P4ot YFW500--05 YFW500-06 YFW500-06 YFW500-05 YFWS00~-06 YFW500-06 YFW500-06
35135/0620+ | 35135/0620+
18] P4o1A — 35179-+ULW 35179+ULW = ODY~2190 oDY-2190 opy-2190
=350 =350
19] 22132 |1401H-1015—1P]1401H-1015-1P]1401H-1015—1P} 1001H— 1015-1 P]2101H—1015-1P)2101H- 1015-1P}
MODEL [NAME REMARK
PAL-B/G , P/SECAM-L | PH-RM-003 ROD ANTENNA
PAL-I PH-RM-006 LOOP ANTENNA
CAPACITOR COIL RESISTOR
ELECTRO Ht PEAKING a2 CARBON FILM, WA
M-OXIDE FILM AA (Mm)
CERAMIC Ar
CHOKE TO ©
CARBON COMP AWA ce)
CERAMIC CH
Sr cm BEAD
TH &
FUSIBLE ANP (F)
+ CEMENT AW (c)
TANTAL +H
ELECTRO NONPOLAR| ~—{ |— (NP)
MYLAR |p. ™