Voltage Charts AV-21MXP6/V, AV-25MXP6/V | JVC AV-29MXP6/V specification

VOLTAGE CHARTS [AV-21MXP6/V, AV-25MXP6/V]

[AV-29MXP6/V]

<MAIN PWB>

MODE	DC (V)		MODE	DC (V)		MODE	DC (V)		MODE	DC (V)
PIN NO.	DC (V)		PIN NO.	DC (V)		PIN NO.	DC (V)		PIN NO.	DC (V)

IC401			65	1.9		1	8.2		Q801
1	0.5		66	1.4		2	4.8		E	2.2
2	13.7		67	1.5		3	0.2		C	0
3	-11.7		68	0.2		4	2.5		B	1.5
4	-13.8		69	4.9		Q101			Q803
5	0.2		70	1.3		E	2.4		E	0.5
6	13.9		71	1.4		C	11.8		C	0
7	0.4		72	1.3		B	3.1		B	0
IC601			73	2.0		Q341			Q804
1	0		74	1.7		E	11.8		E	0
2	NC		75	0.4		C	1.0		C	0
3	0		76	0		B	11.8		B	0.2
4	NC		77	3.3		Q421			Q805
5	25.9		78	1.3		E	0		E	0.2
6	NC		79	1.3		C	0		C	0
7	0		80	1.3		B	0.6		B	0
8	NC		81	0		Q422			Q955
9	0		82	4.9		E	1.1		E	0
10	NC		83	2.1		C	1.3		C	11.8
11	0.5		84	3.4		B	0		B	0
12	NC		85	2.1		Q521			Q981
13	12.9		86	2.1		E	0		E	2.9
14	NC		87	2.1		C	10.9		C	1.9
15	0.7		88	3.3		B	0		B	2.2
16	NC		89	0		Q522			Q982
17	0		90	3.3		E	0		E	1.9
18	NC		91	1.6		C	122.0		C	2.2
19	27.2		92	0		B	-0.1		B	2.5
20	NC		93	1.9		Q571			Q983
21	16.7		94	3.3		E	135.4		E	2.9
22	NC		95	0		C	0		C	1.8
23	12.8		96	1.9		B	135.1		B	2.2
IC701			97	3.0		Q572			Q984
1	0		98	0.1		E	0		E	1.9
2	0		99	0.1		C	3.2		C	2.2
3	1.9		100	2.1		B	-0.7		B	2.5
4	3.3		101	0		Q601			TU001
5	3.1		102	2.4		E	11.8		1	4.3
6	0		103	2.5		C	0.4		2	0.5
7	3.2		104	0		B	11.8		3	0
8	0		105	0.2		Q602			4	2.2
9	3.2		106	2.6		E	0.2		5	2.2
10	1.5		107	0		C	-0.2		6	4.9
11	1.3		108	2.2		B	0		7	4.9
12	0		109	1.1		Q603			8	0.7
13	0.1		110	3.3		E	0		9	35.1
14	2.5		111	0		C	0		11	0
15	4.9		112	3.3		B	-0.3
16	1.9		113	0		Q605
17	2.3		114	3.3		E	0
18	0		115	1.1		C	0
19	2.3		116	2.6		B	-0.2
20	2.3		117	1.9		Q607
21	0		118	1.8		E	0.1
22	0.8		119	3.3		C	0
23	0.9		120	3.1		B	0.6
24	1.9		121	0		Q608
25	1.9		122	3.3		E	0
26	2.3		123	0.1		C	18.5
27	1.9		124	1.9		B	0
28	0.2		125	0		Q609
29	1.9		126	3.3		E	0
30	1.0		127	3.2		C	0
31	4.3		128	3.2		B	0
32	3.1		IC702			Q611
33	2.2		1	0		E	0
34	2.1		2	0		C	0
35	2.2		3	0		B	0
36	3.5		4	0		Q612
37	3.4		5	3.2		E	0
38	2.2		6	3.2		C	5.0
39	2.5		7	0		B	0
40	0		8	3.3		Q704
41	3.0		IC921			E	0
42	1.4		1	125.4		C	2.5
43	2.7		2	NC		B	0
44	2.2		3	0		Q705
45	8.3		4	19.7		S	0
46	2.0		5	4.0		D	0.2
47	5.0		6	1.7		G	1.9
48	1.3		7	0.3		Q706
49	2.2		IC951			S	0
50	2.0		1	135.5		D	0
51	1.5		2	9.4		G	1.9
52	1.4		3	0		Q707
53	2.2		IC972			E	0
54	2.1		1	6.4		C	1.2
55	1.3		2	3.3		B	0
56	2.2		3	0		Q708
57	1.3		4	6.4		E	1.2
58	1.8		IC973			C	1.3
59	1.4		1	15.4		B	4.9
60	1.3		2	11.8		Q791
61	3.7		3	0		E	0
62	1.3		4	2.5		C	2.9
63	3.5		IC975			B	0
64	0.5

<MAIN PWB> (FRONT LED)

MODE	DC (V)
PIN NO.

IC801

13.0

23.3

30

<MAIN PWB>

(CRT SOCKET)

MODE	DC (V)
PIN NO.	DC (V)

IC351
1	2.2
2	2.1
3	2.1
4	0
5	4.6
6	194.7
7	118.3
8	118.3
9	115.8

<MAIN PWB>												<CRT SOCKET PWB>			<FRONT CONTROL PWB> <BASS PWB>
MODE	DC (V)		MODE	DC (V)		MODE	DC (V)		MODE	DC (V)		MODE	DC (V)		MODE	DC (V)		MODE	DC (V)
PIN NO.	DC (V)		PIN NO.	DC (V)		PIN NO.	DC (V)		PIN NO.	DC (V)		PIN NO.	DC (V)		PIN NO.	DC (V)		PIN NO.	DC (V)

IC401			65	2.0		4			D	0		IC351			IC301			IC671
1	0.3		66	0.3		IC973			G	1.9		1	2.0		1	2.7		1	0
2	13.9		67	1.6		1	16.4		Q707			2	2.1		2	3.3		2	1.2
3	-10.8		68	0		2	11.8		E	0		3	2.0		IC801			3	1.2
4	-13.3		69	4.9		3	0		C	3.2		4	0.1		1	2.9		4	0
5	0		70	1.3		4	3.1		B	0		5	5.1		2	0		5	3.2
6	14.4		71	1.2		IC975			Q708			6	196.3		3	3.2		6	3.3
7	0.5		72	1.2		1	7.5		E	4.7		7	123.9		Q955			7	2.3
IC601			73	2.0		2	4.9		C	0		8	118.2		E	0		8	2.1
1	0		74	1.7		3	0		B	4.9		9	125.7		C	11.8		9	1.4
2	NC		75	0.3		4	3.2		Q791			Q203			B	0		10	1.5
3	0		76	0		Q101			E	0		E	1.1					11	3.3
4	NC		77	3.2		E	2.2		C	3.9		C	6.2					12	0
5	25.9		78	1.2		C	11.8		B	0		B	1.8					13	1.6
6	NC		79	1.1		B	2.9		Q801			Q204						14	1.6
7	0		80	1.2		Q341			E	2.1		E	6.8					15	0.1
8	NC		81	0		E	4.8		C	0		C	11.8					16	1.2
9	0		82	4.9		C	-0.2		B	1.4		B	7.4
10	NC		83	2.4		B	4.9		Q803			Q206
11	0.5		84	3.7		Q421			E	0		E	6.8
12	NC		85	2.0		E	0		C	0		C	0
13	12.9		86	2.1		C	0		B	-0.5		B	6.1
14	NC		87	2.0		B	0.5		Q804			Q208
15	0.7		88	3.1		Q422			E	0		E	124.7
16	NC		89	0		E	0		C	0		C	63.8
17	0		90	3.1		C	3.1		B	-0.5		B	124.1
18	NC		91	1.6		B	0		Q805			Q209
19	27.2		92	0.2		Q461			E	0.2		E	2.7
20	NC		93	1.7		S	17.6		C	-0.4		C	63.8
21	16.7		94	3.2		D	0		B	0		B	3.2
22	NC		95	0		G	3.6		Q951			Q371
23	12.8		96	1.8		Q521			E	0.7		E	0.2
IC701			97	3.0		E	0		C	21.9		C	2.0
1	0		98	0		C	25.8		B	0		B	0.4
2	0		99	0		B	1.5		Q952			Q372
3	1.9		100	1.9		Q522			E	0		E	0.2
4	3.2		101	0		E	0		C	0		C	2.0
5	3.1		102	1.5		C	130.0		B	0.7		B	0.4
6	0		103	0		B	0		Q957			Q373
7	3.0		104	0		Q571			E	0		E	0.2
8	0		105	3.1		E	135.0		C	29.1		C	2.1
9	3.0		106	3.2		C	0		B	0		B	0.3
10	1.4		107	0		B	134.7		Q958			Q374
11	1.4		108	2.0		Q572			E	29.2		E	0.6
12	0.3		109	1.9		E	0		C	6.7		C	0.2
13	0.1		110	3.2		C	3.1		B	29.1		B	0.2
14	2.8		111	1.7		B	0		Q981
15	4.8		112	0		Q601			E	2.7
16	1.9		113	0		E	8.7		C	1.9
17	2.2		114	3.1		C	0.3		B	1.9
18	0		115	3.1		B	8.9		Q982
19	2.3		116	2.6		Q602			E	1.9
20	2.2		117	1.9		E	0.2		C	2.0
21	3.5		118	1.9		C	-0.4		B	2.5
22	1.2		119	3.1		B	0		Q983
23	1.3		120	3.0		Q603			E	2.7
24	1.9		121	0		E	0		C	2.0
25	1.9		122	3.1		C	0		B	2.0
26	2.3		123	0		B	-0.6		Q984
27	1.9		124	1.9		Q605			E	1.9
28	0		125	0		E	0		C	2.0
29	1.9		126	3.2		C	0		B	2.5
30	1.9		127	3.1		B	-0.7		TU001
31	4.3		128	3.1		Q607			1	4.3
32	1.8		IC702			E	0		2	3.8
33	2.1		1	0		C	0		3	0
34	2.2		2	0		B	0.6		4	2.1
35	2.2		3	0		Q608			5	2.0
36	3.6		4	0		E	0		6	4.9
37	3.5		5	3.2		C	22.7		7	4.9
38	2.4		6	3.2		B	0		8	0
39	2.5		7	0		Q609			9	35.0
40	0		8	3.2		E	0		11	0
41	2.9		IC921			C	0
42	1.6		1	125.4		B	2.4
43	2.6		2	NC		Q611
44	2.8		3	0		E	0
45	8.2		4	19.7		C	0
46	2.2		5	4.0		B	2.4
47	4.8		6	1.7		Q612
48	1.4		7	0.3		E	0
49	2.2		IC951			C	4.9
50	2.1		1	135.1		B	0
51	1.4		2	21.9		Q702
52	1.6		3	0		E	1.3
53	2.2		IC971			C	4.7
54	2.2		1	3.2		B	2.0
55	1.4		2	0.2		Q704
56	2.1		3	0		E	0
57	2.2		4	1.9		C	2.5
58	1.8		5	3.7		B	0
59	1.5		6	0		Q705
60	3.7		7	6.1		S	0
61	3.7		IC972			D	0
62	3.5		1	6.7		G	1.9
63	3.5		2	0		Q706
64	0.5		3	3.1		S	0

(No.YA476)2-332-34(No.YA476)

Image 62

JVC AV-29MXP6/V service manual Voltage Charts AV-21MXP6/V, AV-25MXP6/V, No.YA4762-332-34No.YA476

AV-29MXP6/V, AV-21MXP6/V, AV-25MXP6/V specifications

The JVC AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V are a trio of high-performance CRT televisions that represent a combination of cutting-edge technology and practical design, catering to the diverse needs of home entertainment enthusiasts. These models are characterized by their impressive picture quality, robust build, and user-friendly features, making them a prominent choice during their production era.

One of the key features of these models is their screen sizes, which cater to different room sizes and viewing preferences. The AV-25MXP6/V offers a compact 25-inch display, ideal for smaller living spaces or bedrooms, while the AV-21MXP6/V with its 21-inch screen is perfect for desk setups or as a secondary television. The AV-29MXP6/V, on the other hand, boasts a larger 29-inch display, making it suitable for home theaters or larger family rooms.

JVC is renowned for its superior picture technology, and these models are no exception. They utilize a high-quality CRT screen that provides deep contrast, vivid colors, and sharp details. The picture performance is further enhanced by JVC's proprietary circuitry, including a dynamic contrast system that adjusts brightness and contrast levels based on the content being displayed, resulting in a more immersive viewing experience.

Moreover, these televisions come equipped with several input options, including RF, composite, and S-video inputs, allowing users to connect multiple external devices such as DVD players, game consoles, and VCRs. With built-in tuners, viewers can easily access over-the-air broadcasting, making these models versatile entertainment hubs.

Another noteworthy characteristic is the user-friendly interface that JVC has engineered into the AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V models. The on-screen menu provides quick access to settings and customization options, allowing users to tailor the viewing experience to their preferences, including the ability to adjust color tones and picture settings.

In addition to their functionality, these televisions also sport an elegant design that incorporates a sleek frame and aesthetically pleasing finish, making them a suitable complement to any home décor.

Overall, the JVC AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V models represent a harmonious blend of technology, style, and user-centric features, making them reliable choices for anyone seeking quality CRT televisions for their home entertainment needs. Though newer technologies have since emerged, these models remain a fond memory for many who experienced their remarkable performance.

Contents

AV-29MXP6/V Items Contents AV-21MXP6/V AV-25MXP6/V AV-29MXP6/V Alternate Check Method Safety PrecautionsLeakage Current Check No.YA4761-3 Picture Mode Features DVD Picture ModeAuto Signal Detect Cinema Surround Techninal Information Main MI-COM CPU PIN Function No.YA4761-5 Removing the Main PW Board Disassembly Procedure AV-21MXP6/V Removing the Rear CoverWire Clamping and Cable Tying Removing the Speaker AV-21MXP6/X No.YA4761-7 Disassembly Procedure AV-25MXP6/V Removing the Rear Cover AV-25MXP6/V No.YA4761-9 Removing the AV Terminal Board Disassembly Procedure AV-29MXP6/V Removing the Rear CoverRemoving the Chassis Chassis Base and Control Base Remove the Rear Cover Remove the 4 screws C as shown Front Side No.YA4761-11 Memory IC Replacement Menu Remote Control Direct Operation System Constant SettingSettings of Factory Shipment Button Operation Remote Control Menu Operation Picture Setting Service Mode Setting Items Feature SettingInstall Setting VSM Preset Soldering Iron Replacement of Chip ComponentHow to install Chip parts Resistors, capacitors, etc Transistors, diodes, variable resistors, etc Adjustment Items „ Check Items Adjustment PreparationPreset Setting Before Adjustment „ VSM Preset Setting No.YA4761-17 Adjustment Location AV-21MXP6/V, AV-25MXP6/VFront 18 No.YA476 Adjustment Location AV-29MXP6/VMain PWB ASS’Y CRT Socket Memorize the Adjustment Data Service Mode ItemsSetting Method Release of Service Mode Service Mode Flow Chart 20 No.YA476 32 ~ +31 Initial Setting Value of Service ModePAL Secam NTSC3 NTSC4 Video No.YA4761-21 22 No.YA476 No.YA4761-23 100Hz 300Hz 1kHz 3kHz 8kHz AV-21MXP6/V FunctionMode AV-25MXP6/V Function +11 AV-29MXP6/V Function+12 No.YA4761-25 S.CR 32 ~ +31 Compress43 50Hz Others 60Hz LIN 32 ~ +31 43 50Hz 50Hz 60Hz Cool Warm Normal Theater Bright SoftTheater B1 Voltage Adjustment Procedure Check ItemMeasuring Test point Adjustment part Description Instrument High Voltage HV voltmeter AGC Delay PointTuner / if Circuit Focus Ntsc V. Position PositionPAL V. Position Size Side PIN PAL H. SizeNtsc H. Size PAL Side PIN Ntsc V. Linearity LinearityPAL V. Linearity Corner PIN Ntsc H. BOW BOWPAL H. BOW Ntsc Trapezium PIN Follow the same to 7 as in PAL Side PINPAL Trapezium PIN Select 8. COR-UP White „ Video 2 SET ComponentVideo Circuit Composite White Balance Contrast SUB BrightSUB SUB Colour Ntsc 3.58 Tint SUB TintPAL Tint Ntsc 4.43 Tint 1. R Drive to 3. B Drive to the values VSM Preset SettingSTANDARD, Soft and Theater Warm and Normal Purity and Convergence „ Purity Adjustment No.YA4761-41 „ Static Convergence Adjustment„ Dynamic Convergence Adjustment Self Check Items Indication by the Power LEDSelf Check Functions Outline Self Check Indicating Function VPT Schematic Diagrams Copyright 2006 Victor Company of Japan, Limited Indications on the Circuit Diagram SafetyIndication of Parts Symbol Example Specified Voltage and Waveform Values Main PWB Pattern ContentsAV-21MXP6/V, AV-25MXP6/V AV-29MXP6/V 2No.YA476 Main PWB No.YA4762-32-4No.YA476 Front Control PWB1/2 Main PWB Circuit Diagram AV-21MXP6/V 1/4 2/4 SHEET1 No.YA4762-72-8No.YA476 Main PWB Circuit Diagram AV-21MXP6/V 3/44/4 SHEET2 No.YA4762-92-10No.YA476 Main PWB Circuit Diagram AV-25MXP6/V 1/4 2/4 Sheet No.YA4762-112-12No.YA476 Main PWB Circuit Diagram AV-25MXP6/V 3/44/4 SHEET4 No.YA4762-132-14No.YA476 Main PWB Circuit Diagram AV-29MXP6/V 1/2 Sheet No.YA4762-152-16No.YA476 Main PWB Circuit Diagram AV-29MXP6/V 2/2 Sheet No.YA4762-172-18No.YA476 CRT Socket PWB Circuit Diagram AV-29MXP6/V Sheet No.YA4762-192-20No.YA476 Front Control PWB Circuit Diagram AV-29MXP6/V Sheet No.YA4762-212-22No.YA476 Bass PWB Circuit Diagram Sheet No.YA4762-232-24No.YA476 Front No.YA4762-25 26No.YA476 Main PWB Pattern AV-29MXP6/V No.YA4762-272-28No.YA476 Bass PWB Pattern Parts Side CRT Socket PWB Pattern AV-29MXP6/VBass PWB Pattern Solder Side No.YA4762-292-30No.YA476 Front Control PWB Pattern AV-29MXP6/V No.YA4762-312-32No.YA476 Voltage Charts AV-21MXP6/V, AV-25MXP6/V No.YA4762-332-34No.YA476 Waveforms AV-21MXP6/V, AV-25MXP6/V No.YA4762-35 36No.YA476 Main PWB No.YA476 Parts List No.YA4763-1 Contents Using P.W. Board & Remote Control Unit No.YA4763-3 4No.YA476 100 V01 L01 101 102106 103 105 104 T522 Printed Wiring Board Parts List No.YA4763-5 6No.YA476 No.YA4763-7 8No.YA476 No.YA4763-9 487 5 10No.YA476 No.YA4763-11 V01 L01 100 101 102 106 103 105 104 12No.YA476 Main P.W. Board Assy SCW-1646A-H2 No.YA4763-13 14No.YA476 No.YA4763-15 16No.YA476 No.YA4763-17 18No.YA476 B Assy AV-29MXP6/V V01 L01 100 101 103 DY01 2822 3018 102 40 T522 No.YA4763-19 Main P.W. Board Assy SCW-1647A-H2 20No.YA476 No.YA4763-21 22No.YA476 No.YA4763-23 CRT Socket P.W. Board Assy SCW-3037A-H2 24No.YA476 Bass P.W. Board Assy SCW-6003A-H2 No.YA4763-25 Packing Packing Parts List Colour Television Do not allow objects or liquid into the cabinet openings Knowing your TV’s features Main features Remote control buttons and basic functions No. Press Remote control buttons and basic functions TV buttons and functions Front of the TV Setting up your TV Turn off the equipment including the TV before connecting Setting up your TV Colour System Basic setting for picturePicture Mode Picture Setting White Balance Picture Booster Compress Advanced setting for pictureAI ECO Sensor ECO/ECO Mode Blue Back Original features for picture PIP Sound System Basic setting for soundSound Mode Balance Cinema Surround Advanced setting for soundAI Volume Equalizer DVD Sound Mode Auto Signal DetectDVD Picture Mode DVD Menu Customized setting VIDEO-2 Setting Display Beep TV channel presetting Auto Program Delete TV channel presetting CH/CC number Before connecting Additional preparation Troubleshooting Speciﬁcations AV-25MXP6 Model AV-29B316 AV-29M316 AV-29S356 AV-29B316BK