JVC AV-32Z25EUY Service Manual
JVC AV-32Z25EUY Service Manual

JVC AV-32Z25EUY Service Manual

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SERVICE MANUAL
CONTENTS
! SPECIFICATIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
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! SAFETY PRECAUTIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
! FEATURES ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
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! SPECIFIC SERVICE INSTRUCTIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
! SERVICE ADJUSTMENTS・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
! PARTS LIST ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
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★ OPERATING INSTRUCTIONS
★ STANDARD CIRCUIT DIAGRAM ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
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COLOUR TELEVISION
AV-32Z25EUY
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AV-32Z25EUY
AV-28Z25EUY
BASIC CHASSIS
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No.52067
Sep. 2002

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  • Page 1 AV-32Z25EUY AV-28Z25EUY SERVICE MANUAL COLOUR TELEVISION BASIC CHASSIS AV-32Z25EUY MFⅡ Ⅱ Ⅱ Ⅱ AV-28Z25EUY CONTENTS ! SPECIFICATIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・ ・・ ・・ 2 ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ! SAFETY PRECAUTIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 4 ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ! FEATURES ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・...
  • Page 2 AV-32Z25EUY AV-28Z25EUY SPECIFICATIONS Content Item AV-32Z25EUY AV-28Z25EUY Dimensions ( W× × × × H× × × × D ) 946mm×562mm×551mm 854mm×508mm×494mm Mass 58.0kg 43.0kg TV RF System CCIR (B/G,D/K,I ,L/L’) Colour System PAL / SECAM / NTSC (Only in EXT mode)
  • Page 3 AV-32Z25EUY AV-28Z25EUY ■ ■ ■ ■ 21-pin Euro connector (SCART socket) : EXT-1 / EXT-2 / EXT-3 (P-P= Peak to Peak, B-W= Blanking to white peak) Signal Designation Matching Value EXT-1 EXT-2 EXT-3 AUDIO R output 500mVrms(Nominal), ○ ○ Low impedance...
  • Page 4 AV-32Z25EUY AV-28Z25EUY SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many 9. Isolation Check circuits and components specially for safety purposes. For (Safety for Electrical Shock Hazard) continued protection, no changes should be made to the original After re-assembling the product, always perform an isolation design unless authorized in writing by the manufacturer.
  • Page 5 AV-32Z25EUY AV-28Z25EUY FEATURES " New chassis design enable use of an interactive on screen " Users can make VCR dubbing of picture and sound by controlling control. the AV selector to select an optional source at the EXT-2 output " The TELETEXT SYSTEM has a built-in FASTEXT (UK system), shown in figure.
  • Page 6 AV-32Z25EUY AV-28Z25EUY SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY PROCEDURE REMOVING THE SIDE SPEAKER REMOVING THE SUB WOOFER UNIT & THE REAR " After removing the rear cover. COVER 1. Remove the 2 screws marked F, and remove the speaker holder 1. Unplug the power cord.
  • Page 7 SUB WOOFER UNIT REAR COVER SUB WOOFER CORD This exploded view describes about AV-32Z25EUY. Although AV-28Z25EUY is slightly different from this (×13) figure, you can use the exploded view for disassembling the AV-28Z25EUY in same step as AV-32Z25EUY. Fig. 1 No.52067...
  • Page 8 AV-32Z25EUY AV-28Z25EUY REMOVING THE CRT ∗ Replacement of the CRT should be performed by 2 or more persons. CRT CHANGE TABLE • After removing the cover, chassis etc., 1. Putting the CRT change table on soft cloth, the CRT change table should also be covered with such soft cloth (shown in Fig.5).
  • Page 9 AV-32Z25EUY AV-28Z25EUY REPLACEMENT OF CHIP COMPONENT ! CAUTIONS 1. Avoid heating for more than 3 seconds. 2. Do not rub the electrodes and the resist parts of the pattern. 3. When removing a chip part, melt the solder adequately. 4. Do not reuse a chip part after removing it.
  • Page 10 AV-32Z25EUY AV-28Z25EUY REPLACEMENT OF MEMORY ICs 1. Memory ICs This TV use memory ICs. In the memory ICs, there are memorized data for correctly operating the video and deflection circuits. When replacing memory ICs, be sure to use ICs written with the initial values of data.
  • Page 11 AV-32Z25EUY AV-28Z25EUY SETTING VALUES OF SYSTEM CONSTANT SET (TABLE 1) Setting item Setting content Setting value Setting item Setting content Setting value DESTINATION DOLBY 16:9 CRT TYPE 16:9 PURITY PROGRESSIVE PICTURE TILT TDA9178 DIGIPURE PRO TONE IC 1TUNER 2TUNER FLAT PIC&TEXT...
  • Page 12 AV-32Z25EUY AV-28Z25EUY SERVICE ADJUSTMENTS BEFORE STARTING SERVICE ADJUSTMENT 1. There are 2 ways of adjusting this TV: One is with the 7. Preparation for adjustment (presetting): REMOTE CONTROL UNIT and the other is the conventional Unless otherwise specified in the adjustment items, preset the method using adjustment parts and components.
  • Page 13 AV-32Z25EUY AV-28Z25EUY ADJUSTMENT LOCATIONS SIDE CONTROL PWB FRONT CONTROL PWB HEAD FRONT PHONE S-IN F8901 CN001 DOWN POWER SW CN016 MENU FRONT FRONT MAIN PWB POWER&DEF PWB CN002 MICOM PWB CN004 DOLBY PWB AV SW PWB CN005 100Hz PWB TUNER...
  • Page 14 AV-32Z25EUY AV-28Z25EUY BASIC OPERATION SERVICE MENU 1. TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the REMOTE CONTROL UNIT. 2. SERVICE MENU ITEMS With the SERVICE MENU, various settings (adjustments) can be made, and they are broadly classified in the following items of settings (adjustments): (1) 1.
  • Page 15 AV-32Z25EUY AV-28Z25EUY SERVICE MENU SERVICE MENU 1. IF 2. V/C 3. AUDIO 4. DEF 5. VSM PRESET 6. STATUS 7. PIP (OFF) 8. - - - 9. SHIPPING (OFF) 0. BUS FREE 1-9 : SELECT : EXIT 4. DEF 1.IF(VCO) IF SERVICE MENU 1.
  • Page 16 AV-32Z25EUY AV-28Z25EUY (3) Method of Setting 1) Method of Setting 1.IF [VCO] ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ It must not adjust without signal. ① 1 Key・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ Select 1.IF. ② 1 Key・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ Select 1.VCO(CW) Make sure that the arrow position between the ABOVE REF and BELOW REF.
  • Page 17 AV-32Z25EUY AV-28Z25EUY ADJUSTMENTS CHECK ITEM Measuring Item Test point Adjustment part Description instrument Signal TP-91(B1) 1.RGB BLK 1. Receive a any broadcast. Power Supply generator TP-E(# # # # ) 2. Push the “ZOOM” key and select the FULL mode.
  • Page 18 AV-32Z25EUY AV-28Z25EUY FOCUS & SCREEN ADJUSTMENT Measuring Item Test point Adjustment part Description instrument FOCUS Signal FOCUS VR [28”MODEL] adjustment generator [In HVT] 1. Receive a cross-hatch signal. [28” MODEL] 2. Press the “ZOOM” key and select the FULL mode.
  • Page 19 AV-32Z25EUY AV-28Z25EUY VSM PRESET ADJUST SETTING Measuring Item Test point Adjustment part Description instrument VSM PRESET Remote 1. CONT. 1. Select COOL with the MENU key of the remote control unit. setting control unit 2. BRIGHT 2. Select 5.VSM PRESET from the SERVICE MENU.
  • Page 20 AV-32Z25EUY AV-28Z25EUY VIDEO / CHROMA CIRCUIT ADJUSTMENT The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
  • Page 21 AV-32Z25EUY AV-28Z25EUY Measuring Item Test point Adjustment part Description instrument WHITE Signal 2. WDR R " Set the PICTURE MODE to NORMAL. BALANCE generator 1. Receive a black and white signal (colour off). 3. WDR G (High Light) 2. Select 2.V/C from the SERVICE MENU.
  • Page 22 AV-32Z25EUY AV-28Z25EUY Measuring Item Test point Adjustment part Description instrument Remote 7.COLOUR [Method of adjustment without measuring instrument] SUB COLOURⅠ Ⅰ Ⅰ Ⅰ control unit (PAL~ ~ ~ ~ NTSC) adjustment PAL COLOUR (PAL COLOUR) 1. Receive PAL broadcast. 2. Select 2.V/C from the SERVICE MENU.
  • Page 23 AV-32Z25EUY AV-28Z25EUY Measuring Item Test point Adjustment part Description instrument Signal TP-47B 7.COLOUR [Method of adjustment using measuring instrument] SUB COLOUR Ⅱ Ⅱ Ⅱ Ⅱ generator TP-E(# # # # ) (PAL~ ~ ~ ~ NTSC) adjustment [CRT Oscilloscope SOCKET...
  • Page 24 AV-32Z25EUY AV-28Z25EUY Measuring Item Test point Adjustment part Description instrument SUB HUEⅠ Ⅰ Ⅰ Ⅰ Remote 8.HUE [Method of adjustment without measuring instrument] control unit adjustment NTSC 3.58 HUE [NTSC 3.58 HUE] 1. Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field colour bar with 75% white) from the EXT terminal.
  • Page 25 The adjustment using the remote control unit is made on the basis of the initial setting values. " The setting values which adjust the screen to the optimum condition can be different from the initial setting values. * * * * Initial setting value (AV-32Z25EUY) : Fixed value Initial setting value Setting item...
  • Page 26 AV-32Z25EUY AV-28Z25EUY Measuring Item Test point Adjustment part Description instrument V-SHIFT Signal 1. V- SHIFT [FULL mode] Adjustment generator 1. Receive a circle pattern signal of vertical frequency 50Hz. 2. Select 4.DEF from the SERVICE MENU. Remote 3. Select 1.V-SHIFT with the FUNCTION UP / DOWN ( / ) key.
  • Page 27 AV-32Z25EUY AV-28Z25EUY Measuring Item Test point Adjustment part Description instrument H. CENTER 3.H-CENT. 1. Receive a circle pattern signal. adjustment 2. Select 3.H-CENT and set the initial setting value. 3. Adjust H-CENT to make C=D. 4. Press the MENU key and memorize the set value.
  • Page 28 AV-32Z25EUY AV-28Z25EUY Measuring Item Test point Adjustment part Description instrument TRAPEZIUM Signal 5.TRAPEZ 1. Receive a cross-hatch signal. generator adjustment 2. Select 5.TRAPEZ with the FUNCTION UP/DOWN ( / ) key. Remote 3. Set the initial setting value of TRAPEZ with the FUNCTION control unit -/+ ( / ) key.
  • Page 29 AV-32Z25EUY AV-28Z25EUY Measuring Item Test point Adjustment part Description instrument 11.BOW " In case where there is a bow-shaped distortion of images adjustment on the screen. (Fig.B) 1. Select 11.BOW with the FUNCTION UP/DOWN ( / ) key. 2. Adjust BOW, and bring the VERTICAL lines straight.
  • Page 30 AV-32Z25EUY AV-28Z25EUY AUDIO CIRCUIT ADJUSTMENT " Do not touch 3. AUDIO adjustment of the SERVICE MENU as it requires no adjustment. If values had changed for the some reason, set the initial values in the following table. 3. AUDIO (Do not adjust)
  • Page 31 AV-32Z25EUY AV-28Z25EUY SCHEMATIC DIAGRAMS COLOUR TELEVISION AV-32Z25EUY BASIC CHASSIS AV-28Z25EUY CD-ROM No.SML200209 CONTENTS NOTE ON USING CIRCUIT DIAGRAMS SEMICONDUCTOR SHAPES BLOCK DIAGRAM CIRCUIT DIAGRAMS PATTERN DIAGRAMS 2-25 No.52067 COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD. Sep. 2002...
  • Page 32 AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY SIDE CONTROL PWB PATTERN AV-32Z25EUY / AV-28Z25EUY STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type The components identified by the symbol and shading are No indication :Ceramic capacitor critical for safety. For continued safety replace safety critical...
  • Page 33: Table Of Contents

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY FRONT CONTROL PWB PATTERN CONTENTS SEMICONDUCTOR SHAPES BLOCK DIAGRAM CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM POWER & DEF. PWB CIRCUIT DIAGRAM AV SW PWB CIRCUIT DIAGRAM 2-11 MICOM PWB CIRCUIT DIAGRAM 2-13 100Hz PWB CIRCUIT DIAGRAM...
  • Page 34: Block Diagram

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY BLOCK DIAGRAM SUB WOOFER IC101 TU001 MAIN PWB DOLBY PWB REAR MULTI SOUND IC602 TUNER PROCESSOR POWER AMP IC101 AUDIO CENTER IC105 CODEC IC601 IC109 POWER AMP MICON VTV1 100Hz PWB IC203 B-OUT L TV RTV...
  • Page 35: Circuit Diagrams

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM [1/2] R009 R008 3.6V SCL1 R006 3.7V SDA1 C105 3.7V 3.7V 4.3V TU1_AFC 10/50 IC601 C122 C123 .001 AN7585 .001 3.9V RF AGC C106 7.8V C647 C601 .1/16 C611 VTV1...
  • Page 36 AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY MAIN PWB CIRCUIT DIAGRAM [2/2] MICON PWB 100Hz PWB AV SW PWB CN0NS QQW0130-001 CN00C CH41171-006 CN0R2 CN007 CN001 CN003 QGB1505J1-50 QGB1505J1-50 QGB1505J1-50 Y703 Y305 CN0R3 CN0R1 K301 Y304 Y704 NQR0413-003X D773 MA3056/M/-X D771 MA3056/M/-X D774...
  • Page 37: Power & Def. Pwb Circuit Diagram

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY POWER & DEF. PWB CIRCUIT DIAGRAM MAIN PWB CN004 CN005 CN006 QGB1506M1-16 QGB1506M1-16 QGB1506M1-16 X-RAY R591 R586 2.3V D583 4.7 1/4W FR 6.80k MTZJ7.5S-T2 QRZ9017-4R7 Q583 Y901 (32")QQW0066-001 X-RAY PROTECTOR D584 (28")QQW0100-001 TH901 ! RY931 RGP10J-5025-T3...
  • Page 38: Av Sw Pwb Circuit Diagram

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY AV SW PWB CIRCUIT DIAGRAM C115 R130 10/50 R112 R131 C116 AV SW PWB 10/50 10/50 R113 -1.3V 0.1V A.MUTE Q112 -1.3V Q104 RTV1 Q105 MUTING DTC323TK-X DTC323TK-X EXT-1 MUTING MUTING LTV1 SMF-0S402A R151 C138 100k...
  • Page 39: Micom Pwb Circuit Diagram

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY MICOM PWB CIRCUIT DIAGRAM CN0J2 CN0J1 R142 R143 NOTE MICOM PWB 2SC2712/YG/-X 2SA1162/YG/-X MA111-X R141 C058 2SK1374-X MA3056/M/-X SMF-0M403A OPEN 0: CHIP BUS WIRE TMODE C019 47/16 R139 2.2k C018 C020 R137 Q007 2.2k R138 2.2k R125 4.7k...
  • Page 40: 100Hz Pwb Circuit Diagram

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY 100Hz PWB CIRCUIT DIAGRAM CN0UH 5V L209 L210 NQL092K-1R5X C132 .047/25 3.3V C125 C134 L209 L210 C281 .068/16 3.3V C128 C133 R201 R202 R203 C282 .0015 3.3V C218 47/16 L109 R293 C126 560p X101 IC212 NQL034K-6R8X...
  • Page 41: Crt Socket Pwb Circuit Diagram

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY CRT SOCKET PWB CIRCUIT DIAGRAM *DIFFERENCE LISTS NOTE CRT SOCKET PWB 2SC2412K/QR/-X SMF- SMF- 3406A 3407A 2SA1037AK/QR/-X QNZ0380 QNZ0464 IC203 SMF-3406A SK001 MA111-X -001 -001 TDA6111Q B-OUT R111 1.8k MA3130/H/-X [AV-32Z25EUY] C103 150p D210 BW:BUS WIRE...
  • Page 42: Front Control Pwb Circuit Diagram

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY FRONT CONTROL PWB CIRCUIT DIAGRAM SIDE CONTROL PWB CIRCUIT DIAGRAM FRONT CONTROL PWB SIDE CONTROL PWB SMF-8106A [AV-32Z25EUY] SMF-8105A [AV-28Z25EUY] SMF-8405A S001~S003 QSW0619-003Z IC001 J001 EXT-4 MENU R012 J003 GP1U281Q QMS3001-C01 REMOCON RECEIVER S001 QNZ0438-001 HEADPHONE JACK...
  • Page 43: Dolby Pwb Circuit Diagram

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY DOLBY PWB CIRCUIT DIAGRAM [1/2] C108 C107 0.01 100/6.3 C103 0.01 R107 J001 4.7K C102 R102 QNN0281-004 1/50 DOLBY PWB COAX IN 1 R161 4.7k C101 R101 LC108 Y108 NQR0313-009X 100P Y103 C109 LC103 0.01 SMF-0D401A...
  • Page 44 AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY DOLBY PWB CIRCUIT DIAGRAM [2/2] NCB31HK-104X C732 J003 AUDIO OUT C703 C733 R730 IC704 NQL085J-100X (1/2) 10/50 QNN0427-001 C706 BA4558F-X L701 C708 R731 10/50 R710 C702 R702 100k Q706 .0022 D703 D701 2SA1037AK/QR/-X MA111-X Q707 MA3150/M/-X...
  • Page 45: Front

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY PATTERN DIAGRAMS MAIN PWB PATTERN [SOLDER SIDE] FRONT Q612 R633 C619 R642 Q617 R649 C639 R651 D617 Q614 CN008 R634 Q618 D611 R626 Q620 Q611 Y611 CN018 R663 C617 R632 Y620 C637 R653 R652 C652 C618...
  • Page 46 AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY MAIN PWB PATTERN [PARTS SIDE] FRONT 2-27 2-28 No.52067 No.52067...
  • Page 47: Power & Def. Pwb Pattern

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY POWER & DEF. PWB PATTERN W103 W100 R401 R944 HS005 Q462 R464 R945 W104 R403 W120 Q941 W061 D462 CN004 CN006 C992 C401 W069 CN005 W108 R462 D421 R569 C414 R947 R469 D523 C408 R402 W068...
  • Page 48: Av Sw Pwb Pattern

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY AV SW PWB PATTERN CRT SOCKET PWB PATTERN 2-31 2-32 No.52067 No.52067...
  • Page 49: Micom Pwb Pattern

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY MICOM PWB PATTERN [SOLDER SIDE] [PARTS SIDE] C057 C056 C055 IC003 C051 C054 C053 IC012 IC002 IC002 R041 R040 R039 K004 R164 R038 L015 R037 R157 R036 R035 R034 R042 IC902 C036 R094 3.3V R092 R093...
  • Page 50: 100Hz Pwb Pattern

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY 100Hz PWB PATTERN [SOLDER SIDE] [PARTS SIDE] C226 C225 IC202 SMF-0Z404A IC203 SMF-0Z405A R132 R133 R134 R233 R135 R229 R136 C286 R137 R230 R138 R231 C283 C223 C281 R139 L204 R232 X101 ITOH 02.02.20 C125 IC213...
  • Page 51: Dolby Pwb Pattern

    AV-32Z25EUY AV-32Z25EUY AV-28Z25EUY AV-28Z25EUY DOLBY PWB PATTERN [PARTS SIDE] [SOLDER SIDE] R101 R102 R161 Group No. CKM0609- SMF-0D401A C101 C726 C103 R601 R603 R651 R653 SMK-0D401A COAX-IN UL MARK C150 C228 R162 R428 R421 C412 R427 TOHO C727 DOLBY PB ASS'Y...
  • Page 52 VICTOR COMPANY OF JAPAN, LIMITED HOME AV NETWORK BUSINESS UNIT. 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama, Kanagawa-prefecture, 221-8528, Japan Printed in Japan 0209 WPC DP6060...
  • Page 53 AV-32Z25EUY AV-28Z25EUY PARTS LIST CAUTION ! The parts identified by the symbol are important for the safety. Whenever replacing these parts, be sure to use specified ones to secure the safety . ! The parts not indicated in this Parts List and those which are filled with lines    in the Parts No. columns will not be supplied.
  • Page 54 " MICOM PW BOARD ASS’Y ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ " AV SW PW BOARD ASS’Y ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ " 100Hz PW BOARD ASS’Y ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ [ AV-32Z25EUY ] [ AV-28Z25EUY ] ! ! ! ! PACKING ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 59 ! ! ! ! PACKING PARTS LIST ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 59 No.52067...
  • Page 55: Front Control Pwb Pattern

    SMF-0D401A MICOM PWB SMF-0M403A AV SW PWB SMF-0S402A 100Hz PWB SMF-0Z404A REMOTE CONTROL UNIT RM-C58H-1C REMOTE CONTROL UNIT PARTS LIST [ AV-32Z25EUY ] [ AV-28Z25EUY ] (RM-C58H-1C) ! Ref.No. Part No. Part Name Description 2AA027770 BATTERY COVER 2AA027760 SLIDE COVER...
  • Page 56: [ Av-32Z25Euy ]

    AV-32Z25EUY EXPLODED VIEW PARTS LIST [ AV-32Z25EUY ] ! Ref.No. Part No. Part Name Description LC41250-001C-C JVC MARK LC31851-001B-C WINDOW ! 100 LC11360-005B-U FRONT CABI ASSY Inc.No.101~103 ! 101 LC31201-004A-U POWER KNOB (SERVICE) AEM3149-001-E SPRING LC21031-001C-U SPEAKER PANEL QAS0118-001 SPEAKER...
  • Page 57 AV-32Z25EUY EXPLODED VIEW CRT SOCKET MICOM PWB FRONT 100Hz PWB CONTROL POWER & DEF. PWB AV SW PWB T2551 MAIN PWB SIDE (×6) CONTROL DOLBY PWB SUB WOOFER UNIT (×13) No.52067...
  • Page 58: [ Av-28Z25Euy ]

    AV-28Z25EUY EXPLODED VIEW PARTS LIST [ AV-28Z25EUY ] ! Ref.No. Part No. Part Name Description LC41250-001C-C JVC MARK LC31851-001B-C WINDOW ! 100 LC11313-006A-U FRONT CABI ASSY Inc.No.101~103 ! 101 LC31201-004A-U POWER KNOB (SERVICE) AEM3149-001-E SPRING LC21031-001C-U SPEAKER PANEL QAS0118-001 SPEAKER...
  • Page 59: Exploded View

    AV-28Z25EUY EXPLODED VIEW CRT SOCKET MICOM PWB 100Hz PWB POWER & DEF. PWB FRONT CONTROL AV SW PWB T2551 MAIN PWB SIDE CONTROL DOLBY PWB (×6) SUB WOOFER UNIT (×13) No.52067...
  • Page 60: [ Av-32Z25Euy ]

    AV-32Z25EUY [ AV-32Z25EUY ] PRINTED WIRING BOARD PARTS LIST ■ MAIN P.W. BOARD ASS’Y (SMF-1406A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R1491 NRSA63J-472X MG R 4.7kΩ 1/16W J...
  • Page 61 AV-32Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R1707 NRSA63J-103X MG R 10kΩ 1/16W J C1454 NCB31EK-333X C CAP. 0.033µF 25V K R1708 NRSA63J-103X MG R 10kΩ 1/16W J...
  • Page 62: Power & Def. Pw Board Ass'y

    AV-32Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE OTHERS D1471 MA111-X SI.DIODE K1101 NQR0389-003X FERRITE BEADS D1472 MA111-X SI.DIODE K1102 NQR0389-003X FERRITE BEADS D1473 MA111-X SI.DIODE K1301 NQR0413-003X FERRITE BEADS...
  • Page 63 AV-32Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR 4.7 Ω 1/4W J ! C2901 QFZ9072-473 MF CAP. 0.047µFAC275V K ! R2591 QRZ9017-4R7 R2901 QRE121J-331Y 330Ω 1/2W J ! OR QFZ9075-473 MPP CAP.
  • Page 64: Crt Socket Pw Board Ass'y

    AV-32Z25EUY ■ ■ ■ ■ CRT SOCKET P.W. BOARD ASS’Y (SMF-3406A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE RESISTOR ! D2901 D3SB60 BRIDGE DIODE R3101 NRSA63J-223X MG R 22kΩ 1/16W J...
  • Page 65: Front Control Pw Board Ass'y

    AV-32Z25EUY ■ ■ ■ ■ FRONT CONTROL P.W. BOARD ASS’Y (SMF-8405A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR RESISTOR C3202 NDC31HJ-8R0X C CAP. 8.0pF 50V J R8005 NRSA63J-221X MG R 220Ω...
  • Page 66: Dolby Pw Board Ass'y

    AV-32Z25EUY ■ ■ ■ ■ DOLBY P.W. BOARD ASS’Y (SMF-0D401A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R0312 NRSA63J-223X MG R 22kΩ 1/16W J R0101 NRSA63J-750X MG R 75Ω 1/16W J...
  • Page 67 AV-32Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R0706 NRSA63J-104X MG R 100kΩ 1/16W J C0143 NCB31CK-104X C CAP. 0.1µF 16V K C0145 NDC31HJ-101X C CAP. 100pF 50V J...
  • Page 68 AV-32Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR TRANSISTOR C0632 NEH71EM-226X E CAP. 22µF 25V M Q0703 DTC323TK-X DIGI.TRANSISTOR Q0704 DTC323TK-X DIGI.TRANSISTOR C0633 NCF31AZ-105X C CAP. 1µF 10V Z Q0705 2SA1037AK/QR/-X SI.TRANSISTOR...
  • Page 69: Micom Pw Board Ass'y

    AV-32Z25EUY ■ ■ ■ ■ MICOM P.W. BOARD ASS’Y (SMF-0M403A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R0102 NRSA63J-102X MG R 1kΩ 1/16W J R0001 NRSA63J-102X MG R 1kΩ 1/16W J...
  • Page 70: Av Sw Pw Board Ass'y

    AV-32Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR OTHERS C0045 NCF31CZ-104X C CAP. 0.1µF 16V Z K0005 NRSA63J-0R0X MG R 0.0Ω 1/16W J LC0001 NQR0313-007X EMI FILTER C0046 NCF31CZ-104X C CAP.
  • Page 71 AV-32Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R0162 NRSA63J-101X MG R 100Ω 1/16W J C0136 QETN1HM-105Z E CAP. 1µF 50V M R0163 NRSA63J-101X MG R 100Ω 1/16W J...
  • Page 72: 100Hz Pw Board Ass'y

    AV-32Z25EUY ■ ■ ■ ■ 100Hz P.W. BOARD ASS’Y (SMF-0Z404A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR C0102 NCB31EK-473X C CAP. 0.047µF 25V K R0008 NRSA63J-0R0X MG R 0.0Ω 1/16W J...
  • Page 73 AV-32Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR OTHERS C0254 NDC31HJ-120X C CAP. 12pF 50V J LC0010 NQR0313-009X EMI FILTER C0255 NDC31HJ-270X C CAP. 27pF 50V J LC0011 NQR0313-009X EMI FILTER...
  • Page 74: [ Av-28Z25Euy ]

    AV-28Z25EUY [ AV-28Z25EUY ] PRINTED WIRING BOARD PARTS LIST ■ MAIN P.W. BOARD ASS’Y (SMF-1405A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R1491 NRSA63J-332X MG R 3.3kΩ 1/16W J R1004 NRSA63J-101X MG R...
  • Page 75 AV-28Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R1707 NRSA63J-103X MG R 10kΩ 1/16W J C1455 NCB31CK-104X C CAP. 0.1µF 16V K R1708 NRSA63J-103X MG R 10kΩ 1/16W J C1456 NCB31CK-104X C CAP.
  • Page 76 AV-28Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE OTHERS D1471 MA111-X SI.DIODE K1101 NQR0389-003X FERRITE BEADS D1472 MA111-X SI.DIODE K1102 NQR0389-003X FERRITE BEADS D1473 MA111-X SI.DIODE K1301 NQR0413-003X FERRITE BEADS D1474 MA111-X SI.DIODE...
  • Page 77: Power & Def. Pw Board Ass'y

    AV-28Z25EUY ■ ■ ■ ■ POWER & DEF. P.W. BOARD ASS’Y (SMF-2405A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR ! R2991 QRZ9046-825Z 8.2MΩ 1/2W K R2401 QRE141J-562Y 5.6kΩ 1/4W J R2402 QRE141J-562Y 5.6kΩ...
  • Page 78 AV-28Z25EUY ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR TRANSISTOR C2960 QCZ0325-821 C CAP. 820pF 2kV K Q2582 DTC144ESA-T DIGI.TRANSISTOR C2972 QETN1AM-477Z E CAP. 470µF 10V M Q2583 2SC1740S/QR/-T SI.TRANSISTOR Q2941 2SC1740S/QR/-T SI.TRANSISTOR C2973...
  • Page 79: Crt Socket Pw Board Ass'y

    AV-28Z25EUY ■ ■ ■ ■ CRT SOCKET P.W. BOARD ASS’Y (SMF-3407A) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R3101 NRSA63J-223X MG R 22kΩ 1/16W J C3203 NDC31HJ-100X C CAP. 10pF 50V J R3102 NRSA63J-681X...
  • Page 80: Front Control Pw Board Ass'y

    AV-28Z25EUY ■ ■ ■ ■ FRONT CONTROL P.W. BOARD ASS’Y ■ ■ ■ ■ DOLBY P.W. BOARD ASS’Y (SMF-0D401A) (SMF-8405A) Refer to PARTS LIST in page 43 for this P.W. board. Refer to PARTS LIST in page 44 for this P.W. board. ■...
  • Page 81: Packing

    AV-32Z25EUY AV-28Z25EUY PACKING PACKING PARTS LIST [ AV-32Z25EUY ] ! Ref.No. Part No. Part Name Description LC10101-017A PACKING CASE AEM1064-030-E EURO LABEL LC11361-001C CUSHION ASSY 4pcs in 1set RM-C58H-1C REMOCON UNIT AEM1047-A02-E POLY BAG AEM3021-003A-E POLY BAG LCT1242-001A-U INST BOOK...
  • Page 82 VICTOR COMPANY OF JAPAN, LIMITED HOME AV NETWORK BUSINESS UNIT 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama, Kanagawa-prefecture, 221-8528, Japan Printed in Japan 0209 WPC DP8061...

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