Service Manual: Revision
Service Manual: Revision
Service Manual: Revision
SERVICE MANUAL
COLOR TELEVISION
TYPE
NH1M
NH1C1M
HT1M
• This Service Manual does not include “ADJUSTMENT”. This item will be
issued in the next Supplement.
N
SIO
VI
RE
TA
DA
–2–
NOTICES BEFORE REPAIRING
–3–
DISASSEMBLY INSTRUCTIONS
Rear cabinet
1
2
Figure 1-1
1
CRT GND
Figure 2-1
2-2. Anode Cap Removal
–4–
(5) Push the anode cap with your thumb in the direction of
arrow 1 as shown in the figure, then lift the cap in the
direction of arrow 2 to release the hook on one side.
(See Figure 2-3)
Anode cap
CRT
Hook CRT
Hook
Figure 2-3
(6) Turn over the anode cap on the side where the hook was
Anode cap
released and pull out the cap in the direction opposite to
that on which the cap was pushed. (See Figure 2-4)
Caution : Do not pull out the anode cap straight up.
: Do not pull the cap forcibly. After removing CRT
the cap, check that the hook is not deformed.
Anode button
Hook
Figure 2-4
(1) If the anode cap is turned after it is installed, it may come Figure 3-1
off. Therefore, arrange the high-voltage cable before
attaching the anode cap. (See Figure 3-1)
(2) If you have attached the anode cap before arranging the
high-voltage cable, arrange the cable carefully so the cap
does not turn.
Figure 3-2
–5–
(3) Eliminate twisting, etc. of the high-voltage cable and
High-voltage cable Anode cap
arrange it so that no twisting occurs. (See Figure 3-3)
Caution : If the cable is not arranged correctly, the anode
cap could turn and cause an installation defect.
Figure 3-3
(4) Turn over the rubber cap symmetrically on the left and
right. (See Figure 3-4)
Caution : Take great care not to damage the anode cap.
Figure 3-4
(5) Fit your forefinger over the projection at the center of the
cap and hold the cap between your thumb and middle
finger. (See Figure 3-5)
Figure 3-5
–6–
(6) Apply the hook on one side to the anode button as shown
on the figure. (See Figure 3-6)
Caution : Check that the hook is held securely.
(7) Apply the hook on the other side to the anode button as
shown in Figure 3-7. Hook
Anode button
Hook
Anode button
30°
Figure 3-6
Anode button
Hook
Figure 3-7
(8) Pull the anode cap slightly with the rubber cap turned
over and visually check that the hook is engaged securely.
(9) Release your hand from the rubber cap of the anode cap.
Caution : Cover the anode cap so that it does not lift.
(10) Hold the skirt of the andoe cap slightly to improve the Anode button
close contact between the cap and CRT.
(11) Check that the anode cap is in close contact with the CRT.
(See Figure 3-8)
Skirt
Figure 3-8
–7–
4. NK C.B REMOVAL Front cabinet
CN404(Speakers)
Figure 4-1
–8–
ELETRICAL MAIN PARTS LIST
REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION
NO. NO.
IC 87-A40-553-080 DIODE,1N4003 LES
87-A40-503-080 ZENER,MTZJ39B
8A-JE7-625-010 IC,M37272M8-503SP<HT> 87-A40-785-080 DIODE,SB040
8A-JE7-623-010 IC,M37272MA-055SP<NH1M,NH1C1M> 87-A40-856-080 DIODE,UF4007
87-A91-538-010 RCR UNIT,SBX1981-72P 87-A40-850-090 DIODE,RL4A
87-A21-378-010 IC,S-24C04BDP-1A
87-A20-611-080 IC,M51943BSL-700A<NH1M>
MAIN C.B
87-001-536-010 IC,NJM78M05FA
8Z-JBJ-605-010 IC,TA1268N C1 87-010-405-080 CAP, ELECT 10-50V
87-A21-103-040 C-IC,MM1454XFBE C2 87-018-209-080 CAP, CER 0.1-50V
87-A21-022-040 C-IC,BA3880FS C3 87-018-134-080 CAPACITOR,TC-U 0.01-16
87-A21-554-010 IC,TA1216AN C4 87-018-127-080 CAP, CER 470P-50V
C5 87-010-401-080 CAP, ELECT 1-50V
87-A21-283-010 IC,AN5277
87-A21-220-010 IC,MM1311AD C6 87-018-209-080 CAP, CER 0.1-50V
87-A21-219-010 IC,TC90A45P C7 87-010-248-080 CAP, ELECT 220-10V
87-070-237-010 IC,LA7832 C8 87-018-123-080 CAP, CER 220P-50V
87-070-417-010 IC,NJM4558 DD C9 87-010-401-080 CAP, ELECT 1-50V
C10 87-018-131-080 CAP, CER 1000P-50V
8Z-JBH-605-010 IC,CXA2104S
87-A21-344-010 IC,STR-F6656 C11 87-018-134-080 CAPACITOR,TC-U 0.01-16
87-A21-457-010 IC,SE120N C12 87-018-119-080 CAP, CER 100P-50V
87-020-969-010 IC,NJM78M09FA C13 87-018-119-080 CAP, CER 100P-50V
87-A20-389-010 IC,NJM7809FA C14 87-010-263-080 CAP, ELECT 100-10V
C15 87-018-119-080 CAP, CER 100P-50V
87-A21-133-080 IC,BMR-010D<HT,NH1C1M>
C16 87-018-131-080 CAP, CER 1000P-50V
C17 87-018-128-080 CAP, CERA-SOL SS 560P
TRANSISTOR C18 87-018-109-080 CAP, CER 22P-50V
C19 87-018-109-080 CAP, CER 22P-50V
87-A30-065-080 TR,2SC2785FE C20 87-018-119-080 CAP, CER 100P-50V
87-026-269-080 TR,DTA114ES
87-A30-066-080 TR,2SA1175FE C21 87-018-109-080 CAP, CER 22P-50V
87-026-219-080 TR,DTA144ES (0.3W) C22 87-018-109-080 CAP, CER 22P-50V
87-026-218-080 TR,DTC144ES (0.2W) C23 87-018-123-080 CAP, CER 220P-50V
C24 87-018-209-080 CAP, CER 0.1-50V
89-324-122-080 TR,2SC2412K C25 87-018-119-080 CAP, CER 100P-50V
89-110-372-080 TR,2SA1037(140MHZ 200MW)
87-A30-062-080 C-TR,KRC104S C101 87-010-404-080 CAP, ELECT 4.7-50V
89-324-820-080 TR,2SC2482 C104 87-010-248-080 CAP, ELECT 220-10V
87-A30-364-010 TR,2SD2578-CA C105 87-018-134-080 CAPACITOR,TC-U 0.01-16
C106 87-A10-207-080 CAP,TCS 0.01-50KBUP050
87-A30-363-010 TR,2SD2531 C112 87-018-109-080 CAP, CER 22P-50V
89-110-154-080 TR,2SA1015Y
89-318-155-080 TR,2SC1815 (0.4W) C113 87-018-109-080 CAP, CER 22P-50V
87-026-463-080 TR,2SA933S (0.3W)<NH1M> C201 87-018-134-080 CAPACITOR,TC-U 0.01-16
87-A30-216-080 TR,2SA933AS(R)<HT,NH1C1M> C202 87-018-134-080 CAPACITOR,TC-U 0.01-16
C203 87-010-400-080 CAP, ELECT 0.47-50V
89-110-913-080 TR,2SA1091-O C204 87-018-134-080 CAPACITOR,TC-U 0.01-16
87-A30-344-010 TR,2SC5147D
87-026-462-080 TR,2SC1740SRS (0.3W) C205 87-010-237-080 CAP, ELECT 1000-16V
89-407-742-080 TR,2SD774 C206 87-A10-287-080 CAP,M 2200P-50 J
89-118-370-010 TR,2SA1837 C207 87-010-400-080 CAP, ELECT 0.47-50V
C208 87-018-134-080 CAPACITOR,TC-U 0.01-16
89-347-930-010 TR,2SC4793 C209 87-010-385-080 CAP, ELECT 220-25V
87-A30-524-080 TR,2SC2925-T
C210 87-A11-080-080 CAP,TC U 47P-50 J CH
C211 87-A11-080-080 CAP,TC U 47P-50 J CH
DIODE C212 87-A11-080-080 CAP,TC U 47P-50 J CH
C213 87-A11-082-080 CAP,TC U 56P-50 J CH
87-017-932-080 ZENER,MTJ6.2B C214 87-018-134-080 CAPACITOR,TC-U 0.01-16
87-020-465-080 DIODE,1SS133 (110MA)
87-002-743-080 ZENER,MTZJ 33B C229 87-018-149-080 CAP,TC-U 15P-50 CH
87-A40-235-080 ZENER,MTZJ9.1C C301 87-010-403-080 CAP, ELECT 3.3-50V
! 87-A40-690-080 ZENER,MTZJ11B ! C302 87-018-134-080 CAPACITOR,TC-U 0.01-16
C305 87-018-126-080 CAP,TC-U 390P-50 B
87-A40-286-080 DIODE,RGP10JE-5025 C306 87-010-405-080 CAP, ELECT 10-50V
87-A40-348-080 ZENER,MTZJ3.3A
87-A40-234-080 ZENER,MTZJ5.6A C307 87-A10-299-080 CAP,M 0.022-50 J
87-A40-318-080 ZENER,RM26 V1 C308 87-010-401-080 CAP, ELECT 1-50V
87-070-092-080 DIODE,S5566B C309 87-018-147-080 CAP,TC-U 10P-50 CH
C311 87-018-209-080 CAP, CER 0.1-50V
87-A40-735-090 DIODE,ERC06-15 C312 87-018-209-080 CAP, CER 0.1-50V
87-A40-001-080 ZENER,MTZJ12C
87-017-593-090 DIODE,RGP15J C313 87-018-209-080 CAP, CER 0.1-50V
87-017-654-060 DIODE,GBU6J C314 87-018-134-080 CAPACITOR,TC-U 0.01-16
87-A40-828-080 DIODE,AK 04 C315 87-018-123-080 CAP, CER 220P-50V
C316 87-A10-378-080 CAP,E 2.2-50 K SH
87-A40-825-090 DIODE,RN 1Z C317 87-010-402-080 CAP, ELECT 2.2-50V
87-A40-734-010 DIODE,FML-G12S
87-A40-927-080 DIODE,1SS119-041 TA<HT,NH1C1M> C318 87-018-134-080 CAPACITOR,TC-U 0.01-16
87-017-650-080 DIODE,1SS119<NH1M> C319 87-010-237-080 CAP, ELECT 1000-16V
–9–
REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION
NO. NO.
C321 87-010-404-080 CAP, ELECT 4.7-50V C736 87-010-401-080 CAP, ELECT 1-50V
C322 87-A10-295-080 CAP,M 0.01-50 J C737 87-018-134-080 CAPACITOR,TC-U 0.01-16
C323 87-016-280-080 CAP,E 3.3-50 M BP SME C801 87-010-408-080 CAP,E 47-50 M 11L
C324 87-018-134-080 CAPACITOR,TC-U 0.01-16 C802 87-018-131-080 CAP, CER 1000P-50V
C325 87-018-134-080 CAPACITOR,TC-U 0.01-16 C804 87-A10-474-090 CAP,PP 0.01-1.25K J PHS
! C607 87-A12-050-090 CAP,M/P 0.013-800 H ECWH(VB) CN601 87-099-762-010 CONN,5P TBL-P V BOSS
! C608 87-A10-859-010 CAP,CER 390P-2K K R LONG CN701 87-A60-628-010 CONN,11P V 2MM JMT
! C609 87-A11-278-090 CAP,M/P 0.47-250 J ECWF(SR) CN705 87-009-262-010 CONN,8P 52147 MXJ
C610 87-A10-867-090 CAP,CER 2200P-2K K R CN706 87-099-186-010 CONN,6P EH V WHT
C611 87-010-963-080 CAP,E 2.2-160 SME ! CN807 82-481-649-010 CONN,2P V VT-50P
C617 87-A12-082-090 CAP,E 1000-35 SMG CNA803 8A-JE7-618-010 CONN ASSY,2P MAIN-PS
C618 87-A10-301-080 CAP,M 0.033-50 J D1 87-070-110-010 LED,SLP-181B-51 RED
C619 87-A11-987-080 CAP,CER 6800P-250 K R HR FB7 87-008-372-080 FLTR, EMI BL01 RN1
C620 87-010-395-080 CAP,E 330-35 SME FB301 87-003-320-080 F-BEAD,-9.0FBR07HA121NB
C621 87-018-131-080 CAP, CER 1000P-50V FB601 87-003-223-080 FERRITE BEAD BL02RN2
C725 87-010-405-080 CAP, ELECT 10-50V L201 8Z-JBR-612-010 COIL,SIF 4.5MHZ 504BN
C726 87-010-404-080 CAP, ELECT 4.7-50V L203 87-005-612-080 COIL,68UH J LAV35
C727 87-010-112-080 CAP, ELECT 100-16V L204 87-003-282-080 COIL,12UH
C728 87-015-464-080 CAP,E 4.7-16 BP L205 8Z-JBH-610-010 COIL,PIF-SQ57EL349A 45.75MHZ
C729 87-010-404-080 CAP, ELECT 4.7-50V L206 87-005-614-080 COIL 100UH LAV35 J
– 10 –
REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION
NO. NO.
L304 87-003-282-080 COIL,12UH C417 87-010-404-080 CAP, ELECT 4.7-50V
L603 87-005-757-010 COIL,3.3MH C418 87-010-197-080 CAP, CHIP 0.01 DM
L604 87-A50-616-080 COIL,2.2MH J LHL10 C419 87-010-404-080 CAP, ELECT 4.7-50V
L605 8Z-JE7-608-010 COIL,HLC ZJE-7 C420 87-010-404-080 CAP, ELECT 4.7-50V
L701 87-005-614-080 COIL 100UH LAV35 J C421 87-010-404-080 CAP, ELECT 4.7-50V
R806 87-A00-749-090 RES,M/F 33K-5W J RSS5 C443 87-010-405-080 CAP, ELECT 10-50V
R811 87-A00-679-090 RES,CEM 0.15-5W J RGC5 C444 87-010-405-080 CAP, ELECT 10-50V
R824 87-A00-718-090 RES,M/F 680-1W J RSF (S) C445 87-010-405-080 CAP, ELECT 10-50V
R833 87-A00-199-090 RES,M/F 12K-3W J RSF(S) C446 87-010-405-080 CAP, ELECT 10-50V
R834 87-A00-223-090 RES,M/F 47K-2W J RSF(S) C447 87-010-405-080 CAP, ELECT 10-50V
C406 87-010-260-080 CAP, ELECT 47-25V C486 87-010-197-080 CAP, CHIP 0.01 DM
C407 87-010-197-080 CAP, CHIP 0.01 DM C487 87-010-196-080 CHIP CAPACITOR,0.1-25
C408 87-010-405-080 CAP, ELECT 10-50V C488 87-010-384-080 CAP, ELECT 100-25V
C409 87-010-404-080 CAP, ELECT 4.7-50V C489 87-010-197-080 CAP, CHIP 0.01 DM
C410 87-010-404-080 CAP, ELECT 4.7-50V C492 87-010-197-080 CAP, CHIP 0.01 DM
– 11 –
REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION
NO. NO.
C738 87-A10-307-080 CAP,M 0.1-50 J R881 87-A00-543-080 RES,SD 8.2M 1W J RCR60
C751 87-010-545-080 CAP, ELECT 0.22-50V
C752 87-010-402-080 CAP, ELECT 2.2-50V
C753 87-010-545-080 CAP, ELECT 0.22-50V NK C.B
C754 87-010-402-080 CAP, ELECT 2.2-50V
C901 87-010-405-080 CAP, ELECT 10-50V
C755 87-010-197-080 CAP, CHIP 0.01 DM C902 87-010-968-080 CAP,CER 680P-2K K B
C756 87-010-545-080 CAP, ELECT 0.22-50V C903 87-010-405-080 CAP, ELECT 10-50V
C757 87-010-402-080 CAP, ELECT 2.2-50V C906 87-010-400-080 CAP, ELECT 0.47-50V
C758 87-010-545-080 CAP, ELECT 0.22-50V C907 87-010-235-080 CAP,E 470-16 SME
C759 87-010-402-080 CAP, ELECT 2.2-50V
C908 87-018-129-080 CAP, CER 680P-50V
C760 87-010-197-080 CAP, CHIP 0.01 DM C909 87-018-129-080 CAP, CER 680P-50V
C761 87-010-314-080 C-CAP,S 22P-50V C910 87-018-129-080 CAP, CER 680P-50V
C762 87-010-314-080 C-CAP,S 22P-50V C911 87-018-127-080 CAP, CER 470P-50V
C763 87-010-405-080 CAP, ELECT 10-50V C912 87-018-127-080 CAP, CER 470P-50V
C764 87-010-401-080 CAP, ELECT 1-50V
C913 87-018-127-080 CAP, CER 470P-50V
C765 87-010-382-080 CAP, ELECT 22-25V C914 87-A10-052-080 CAP,E 2.2-250
C766 87-010-402-080 CAP, ELECT 2.2-50V C915 87-010-260-080 CAP, ELECT 47-25V
C767 87-010-401-080 CAP, ELECT 1-50V C916 87-018-134-080 CAPACITOR,TC-U 0.01-16
C768 87-010-402-080 CAP, ELECT 2.2-50V C917 87-010-970-090 CAP,CER 4700P-2K B F
C769 87-010-405-080 CAP, ELECT 10-50V
C951 87-010-381-080 CAP, ELECT 330-16V
C770 87-010-405-080 CAP, ELECT 10-50V C954 87-010-405-080 CAP, ELECT 10-50V
C780 87-010-405-080 CAP, ELECT 10-50V C955 87-010-405-080 CAP, ELECT 10-50V
C781 87-010-405-080 CAP, ELECT 10-50V C956 87-010-405-080 CAP, ELECT 10-50V
CN401 87-009-314-010 CONN 8P 51048 C959 87-A10-050-010 CAP,CER 4700P-500
CN404 87-049-469-010 CONN,4P V
C960 87-010-221-080 CAP, ELECT 470-10V
CN405 87-009-317-010 CONN,11P 51048 C961 87-A12-168-080 CAP,E 33-160 M SMG
CN409 87-009-033-010 CONNECTOR, 5P C962 87-A12-010-080 CAP,M/P 0.047-250 J ECQE2
CNA402 8A-JE7-610-010 CONN ASSY,6P V WHT AU-MAIN C963 87-A10-283-080 CAP,M 1000P-50 J
CNA403 8A-JE7-611-010 CONN ASSY,11P V WHT AU-VD C964 87-A10-283-080 CAP,M 1000P-50 J
CNA408 8Z-JE7-663-010 CONN ASSY,2P COMB-NK
C965 87-010-963-080 CAP,E 2.2-160 SME
DL401 87-A91-598-010 DELAY LINE,350NS EQFK5-MT C966 87-A12-014-080 CAP,M/P 0.1-250 J ECQE2
FR401 87-A00-478-090 RES,FUSE 2.2-1W J C967 87-A10-303-080 CAP,M 0.047-50 J
FR402 87-A00-478-090 RES,FUSE 2.2-1W J C968 87-010-221-080 CAP, ELECT 470-10V
J401 87-A60-420-010 JACK,3.5 ST (MSC) CN901 87-009-034-010 CONN,6P PH V
J402 87-A60-875-010 JACK,PIN 3P +S YKC22-0477
CN902 87-009-195-010 CONN,5P B5BEH
L401 87-005-614-080 COIL 100UH LAV35 J CN903 87-A61-126-080 MALE, 1P TP42097
L403 87-005-614-080 COIL 100UH LAV35 J CN904 87-A61-060-080 CONN,1P V RED TP00706
L404 87-005-614-080 COIL 100UH LAV35 J CN951 87-009-030-010 CONNECTOR 2P PH M
L405 87-003-284-080 COIL,27UH LAL02 CN952 87-099-043-010 CONN 2P EH
L406 87-003-284-080 COIL,27UH LAL02
L901 87-005-614-080 COIL 100UH LAV35 J
L407 87-A50-555-010 COIL,100UH K 7212M-101K L902 87-005-614-080 COIL 100UH LAV35 J
R432 87-A00-728-090 RES,M/F 2.2—7W K RSV7 L903 87-005-614-080 COIL 100UH LAV35 J
R447 87-A00-667-090 RES,M/F 680-2W J RSF(S) L951 87-005-482-080 COIL,56UH FLR50 J
R448 87-A00-667-090 RES,M/F 680-2W J RSF(S) L952 87-005-481-080 COIL,47UH J FLR50
W401 8A-JE7-612-010 F-CABLE,8P 2.0 70MM
R901 87-A00-242-090 RES,M/F 8.2K-3W J RS
W405 8A-JE7-613-010 F-CABLE,11P 2.0 70MM R902 87-A00-242-090 RES,M/F 8.2K-3W J RS
R903 87-A00-242-090 RES,M/F 8.2K-3W J RS
R968 87-022-382-090 RES,M/O 120-2W J
PS C.B R969 87-A00-638-080 RES,M/F 47-1/2W J SPR
– 12 –
CHIP RESISTOR PART CODE
TRANSISTOR ILLUSTRATION
B
E
E C B B C E B C E
E C B B C E E C B
– 13 –
WIRING – 1 (MAIN)
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
– 14 –
SCHEMATIC DIAGRAM – 1 (MAIN)
– 15 –
WIRING – 2 (AUDIO)
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
– 16 –
WIRING – 3 (PS)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
– 18 –
WIRING – 3 (PS)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
– 18 –
SCHEMATIC DIAGRAM – 3 (PS)
– 19 –
WIRING – 4 (NK)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
– 20 –
SCHEMATIC DIAGRAM – 4 (NK)
– 21 –
WIRING – 5 (S-JACK)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
– 22 –
SCHEMATIC DIAGRAM – 5 (S-JACK)
– 23 –
IC BLOCK DIAGRAM
– 24 –
– 25 –
IC DESCRIPTION
IC, M37272MA-055SP<NH1M,NH1C1M>, IC, M37272M8-503SP<HT1M>
Pin No. Pin Name I/O Description
1 BLK H I Blanking H sync input.
2 BLK V I Blanking V sync input.
3 A MUTE O Audio Amp mute.
4 L MUTE O Audio mute.
5 Q SUR O Q surround switch.
6 WP O EEPROM Write protect.
7 V MUTE O Video mute
8 SEL O BPF switch.
9 MAIN SW – Not used.
10 REMOCON I Remote control signal input.
11 SD I Pluse check.
12 EXT I I2C switch.
13 PON O Power switch.
14 AVCC – VCC.
15 HLF – Filter Connection Terminal.
16 VHOLD – Condenser Connection Terminal.
17 CV IN I Complex video signal input
18 VSS – GND.
19 XIN I Main Clock (8 MHz).
20 XO O Main Clock (8 MHz).
21 VSS – GND.
22 VCC – VCC.
23 OSC2 – Not used.
24 OSC1 – Not used.
25 RST I Reset input.
26 SDOUT O Not used.
27 FBT DET O FBT detection (over 2.5V).
28 REG DET I REG detection (over 2.5V).
29 AFTV I AFT voltage input.
30 KEY I Key input.
31 SDA2 I I2C bus CH2 data (Reg IC).
32 SDA1 I I2C bus CH1 data (EEPROM).
33 SCL2 I I2C bus CH2 data (Reg IC).
34 SCL1 I I2C bus CH1 data (EEPROM).
35 BBE O BBE switch.
36 VM MUTE O VM mute.
37 LED O Power LED switch.
38 NC – Not connected.
39 FAST BLK O OSD Blanking.
40 B O OSD B output.
41 G O OSD G output.
42 R O OSD R output.
– 26 –
WAVEFORM
1 IC1 PIN 1 (BLK H) 5 Q202 EMITTER
1 5
2 6
1 V/div 1 V/div
5 ms/div 20 µs/div
3 7
1 V/div 1 V/div
20 µs/div 20 µs/div
4 8
– 27 –
9 IC301 PIN 45 (CHROMA IN) # IC407 PIN 10 (FSC-IN)
9 #
%
0.5 V/div
10 µs/div
0
$
0.2 V/div 0.2 V/div
10 µs/div 10 µs/div
! ^
@ &
– 28 –
* CN601 PIN 2 (H-) = T602 PIN 3
* =
50 V/div 20 V/div
20 µs/div 20 µs/div
[ Q751 (EMITTER)
( CN601 PIN 4 (V-) ] Q752 (EMITTER)
]
5 V/div 0.2 V/div
5 ms/div 0.5 ms/div
) \
- ;
50 V/div 10 V/div
20 µs/div 5 µs/div
– 29 –
; D823 ANODE (at POWER ON AC 240 V) , D822 ANODE (at POWER ON AC 240 V)
26 ,
20 V/div 10 V/div
5 µs/div 5 µs/div
27 .
50 V/div 50 V/div
5 µs/div 20 µs/div
27 /
10 V/div 50 V/div
5 µs/div 20 µs/div
28 _
5 V/div 50 V/div
5 µs/div 20 µs/div
– 30 –
VOLTAGE CHART (1/2)
(POWER ON, COLOR BAR, VOLUME 10)
– 31 –
REF NO. E C B AC 110 V
REF NO. E C B
Q417 2.21 0 1.578 AC 240 V
REF NO. E C B
AC 110 V
REF NO. E C B REF NO. E C B
AC 240 V
REF NO. E C B REF NO. E C B
– 32 –
REF NO. E C B IC2, SBX1981-72P IC301, TA1268N
Q953 0.666 5.27 2.294 PIN NO. VOLT (V) PIN NO. VOLT (V)
1 4.98 1 0
8 4.94 11 6.31
– 33 –
PIN NO. VOLT (V) IC403, TA1216AN IC405, NJM78M05FA
PIN NO. VOLT (V) PIN NO. VOLT (V)
42 4.66
1 4.85 1 5
43 4.61
2 5.43 2 0
44 1.837
3 5.41 3 8.91
45 3.908
46 8.99 4 5.39
47 3.53 5 3.194
IC406, MM1311AD
48 8.9 6 5.58
PIN NO. VOLT (V)
49,50 7.9 7 0
1 4.24
51,52 0 8 3.967
2 4.88
53 2.792 9,10 0.013
3 4.24
54 4.55 11 4.71
4 4.88
55 2.787 12 0.062
5 4.22
56 0 13 0.79
6 8.05
14 0.78
7 4.24
15 5.15
IC401, MM1454XFBE 8~10 4.88
16,17 3.45
PIN NO. VOLT (V) 11 4.22
18 4.78
1,2 3.996 12 8.06
19 1.775
3,4 0.006 13 4.35
20 4.73
5 4.004 14,15 4.88
21,22 4.24
6 4.009 16 0
23 4.89
7 4.008 17,18 3.45
24 8.66
8 0 19 0.018
25 4.88
9 4.008 20 4.21
26 4.87
10,11 4.005 21 0
27 4.74
12 4.006 22 4.85
28 4.89
13 4.007 23 4.092
29 4.88
14 4.64 24 4.09
30 4.87
15 3.996 25 4.82
16 8.66 26 4.25
27 3.943
IC402, BA3880FS IC404, AN5277 28 8.9
PIN NO. VOLT (V) PIN NO. VOLT (V) 29 3.466
1 0 1~2 0 30 4.88
2 3.21 3 25.55 31 4.48
3 6.25 4~6 0 32 4.88
4 8.65 7 12.72
16 0 9 0
21 8.66 11 17.49
22 6.21 12 12.65
23 0
24 3.2
– 34 –
IC407, TC90A45P IC701, CXA2104S IC802, SE120N
PIN NO. VOLT (V) PIN NO. VOLT (V) PIN NO. VOLT (V)
3 2.741 4 3.45 3 0
4 2.268 5 0
5 1.288 6 4.04 IC803, NJM78M05FA
6,7 0 7 4.018 (AC 110 V)
8 4.96 8 4.051 PIN NO. VOLT (V)
9 0 9 3.88 1 5
10 2.169 10 4.67 2 0
11 2.207 11 4.03 3 13.36
12 3.37 12 1.255
13 3.05 13 1.254
IC803, NJM78M05FA
14 1.565 14 0.001 (AC 240 V)
15 2.693 15 3.7 PIN NO. VOLT (V)
16 4.88 16 8.82 1 5.04
17 4.047 2 0
18 4.043 3 35.21
IC501, LA7832 19 4.015
PIN NO. VOLT (V) 20 3.88
IC804, NJM78M09FA
1 0.001 21 4.045
PIN NO. VOLT (V)
2 13.93 22 3.924
1 8.92
3 25.92 23 4.033
2 0
4 0.763 24 1.734
3 12.45
5 0.693 25 4.052
6 25.7 26 4.042
7 1.612 27 1.688
IC805, NJM7809FA
PIN NO. VOLT (V)
28 3.931
1 9.02
29 0
IC601, NJM4558DD 2 0
30 3.98
3 12.45
PIN NO. VOLT (V)
1 25.25 IC801, STR-F6656
2~4 0.011 TU101
PIN NO. AC 110V AC 240 V
PIN NO. VOLT (V)
5 6.17
1 1.545 0.253
1 1.534
6 6.16
2 1.104 0.064
2 5.81
7 3.012
3 268.0 372.9
3 4.69
8 25.7
4 15.29 0.085
4 3.45
5 0 0
5 3.5
6 0
7 4.69
8 0
9 32.31
10,11 0
– 35 –
VOLTAGE CHART (2/2 )
(STANDBY)
IC2, SBX1981-72P
REF NO. E C B PIN NO. VOLT (V)
Q1 0 5 0.067 1 4.99
2 5
REF NO. E C B 3 0.067
Q2 0.025 4.92 5
IC3, S-24CO4BDP-1A
REF NO. E C B PIN NO. VOLT (V)
Q3 0 5 0 1~4 0
5~7 5
REF NO. E C B 8 4.98
Q4 0 5 0
IC4, M51943BSL-700A<NH1M>
REF NO. E C B IC4, BMR-0101D<NH1C1M,HT>
Q5 4.98 4.95 4.32 PIN NO. VOLT (V)
1 4.98
REF NO. E C B 2 0
10 4.99 31 4.97 1 5
11 5 32 5 2 0
13 0.003 34 5
14 4.98 35 0.006
15 – 36 4.94
16 0.003 37 0.025
17 0 38 4.97
18 0 39~42 0.007
19 2.208
20 2.261
21 0
– 36 –
MECHANICAL EXPLODED VIEW 1 / 1
17
20 P.C.B
18
F
24
16
F
15
14 I
C
I
G
P.C.B 19 23
8 K
B
J
13 9
L
22
21
P.C.B A
12
H
P.C.B
G
B 11
10
P.C.B
A
8
7
5
4
6
1 3
2
– 37 –
MECHANICAL PARTS LIST 1 / 1
! 14 8A-JE7-639-010 CRT,A51LTH197X01<NH1C1M>
! 15 87-A50-619-010 DGC,21' 25 OHM-TYPE 8
16 83-JT1-217-010 SPR-E,EARTH
17 8Z-JE7-607-110 CONN ASSY,1P CRT-GND
18 8Z-JE7-012-010 CABI,REAR
19 8A-JE7-007-010 PANEL,REAR 3
20 8A-JE7-620-010 CONN ASSY,2P VM-NK
21 8A-JE7-613-010 F-CABLE,11P 2.0 70MM
22 8A-JE7-612-010 F-CABLE,8P 2.0 70MM
! 23 8Z-JE7-609-010 ANODE-CAP,ZJE-7
– 38 –
2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111
9820543 0251431 Printed in Singapore