PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18

TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21

RX-DP20VBK

D MMER

DOOR

RX DP20V

DOOR

DOWN

AUD O/V DEO CONTROL RECE VER

D G TAL

EA N

TR NSM T

S AND Y

ONE 1

ZO E 2

Z NE 1

N/ F

O /O F

ST NDB / N

ZO E 1

ZONE 2

L ARN

DVD

D MU

HO O

CR 1

CR 2

PE M

C R

V DB

ID O

FM AM

XT 7 C

AN LOG D G T L

FFECT

NPU

SOUND

L V NESS

EST

CC CO VER ER

MASTER VOLUME

RE URN

M MODE

0 +

THX

S RROUND

DSP

URR DSP

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X ES 7 1

AN LOG DI ECT

SLEEP

DIMMER

CA V

REW

PLAY

DOWN

TUN NG

REC

STOP

PAU E

TV VIDEO

TV VOL

CHANNEL

VOLUME

MUT NG

A JU

M N

ENU

T XT

SET

I P A

DVD

ME U

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S-V DEO

VIDEO

LÑAUDIOÑR

VIDEO

RM SR DP20J

RE OTE CO TROL

A V CONTROL RECE VER

Area Suffix

J --------------- U.S.A.

C ------------- Canada

No.22008

2003/7

Table of Contents

Summary of Contents for JVC RX-DP20VBK

Page 1: Table Of Contents
SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER RX-DP20VBK EA N TR NSM T S AND Y ONE 1 ZO E 2 Z NE 1 N/ F O /O F ST NDB / N ST NDB / N ZO E 1 ZONE 2...
Page 2 SPECIFICATION Amplifier Output Power At Stereo operation Front channels 120 W per channel, min. RMS, driven into 8 Ω, 20 Hz to 20 kHz with no more (Analog Direct On) than 0.02% total harmonic distortion. 120 W per channel, min. RMS, driven into 4 Ω, 20 Hz to 20 kHz with no more than 0.07% total harmonic distortion.
Page 3 FM tuner Tuning Range 87.5 MHz to 108.0 MHz 12.8 dBf (1.2 µV/75 Ω) (IHF) Usable Sensitivity Monaural 18.2 dBf (2.2 µV/75 Ω) 50 dB Quieting Sensitivity Monaural 38.2 dBf (22.3 µV/75 Ω) Stereo Signal-to-Noise Ratio (IHF-A weighted) Monaural 78 dB at 85 dBf Stereo 73 dB at 85 dBf Total Harmonic Distortion...
Page 4: Precaution
SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
Page 5 Importance administering point on the safety WR42 FC44 FC43 WR48 TH41 FC41 FC42 WR41 D4004 FC401 FC402 D4003 D4002 R4011 D4001 R4012 IC44 TW41 TW42 CN25 WR26 Caution: For continued protection against risk of fire, replace only with same type 8A/250V for F21, 0.5A/250V for F41 and 2A/125V for F42 and F43.
Page 6: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-6 (No.22008)
Page 7: Disassembly
SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the top cover (See Fig.1) (1) Remove the eight screws A attaching the top cover on both Top cover sides of the body. (2) Remove the three screws B on back of the body. (3) Remove the top cover from behind in the direction of the ar- row while pulling both sides outward.
Page 8 3.1.3 Removing the V compo 2 board & RF remote unit & tuner unit & compu link board (See Fig.2 and 4) • Prior to performing the following procedure, remove the top Front panel assembly cover. (1) Disconnect the harness from the connector CN581 on the V compo 2 board.
Page 9 3.1.7 Removing the system control board (See Fig.5 and 6) • Prior to performing the following procedure, remove the top CN983 System control board cover and front panel assembly. CN977 (1) Disconnect the card wires and harness from the connector Plastic rivet CN981 CN985...
Page 10 3.1.9 Removing the audio signal 1 board (See Fig.8) • Prior to performing the following procedure, remove the top CN224 cover, rear panel and DSP board. CN234 CN208 CN207 (1) Disconnect the harness from the connector CN202, CN204, CN234, CN224, CN208, CN207, CN218 CN218 CN223...
Page 11 3.1.12 Removing the input base board CN44 Power supply (See Fig.12) (on the power CN62 1 board supply 2 board) • Prior to performing the following procedure, remove the top cover, rear panel, DSP board, audio signal 1 board, audio sig- nal 2 board, video board, S video board and V compo 1 board.
Page 12 3.1.15 Removing the power transformer 1 with the power supply 2 board (See Fig.14) • Prior to performing the following procedure, remove the top Power supply 2 board cover and power supply 1 board. (1) Disconnect the harness from the connector CN46 CN47 on the power supply 2 board.
Page 13 3.1.18 Removing the power transformer 3 with the power supply 3 board (See Fig.17) • Prior to performing the following procedure, remove the top cover, power supply 1 board, power transformer 1 and power Power supply 3 board transformer 2. (1) Disconnect the harness from the connector CN41 on the...
Page 14 3.1.21 Removing the power amp. Assembly (See Fig.20 and 21) • Prior to performing the following procedures, remove the top cover, rear panel, front panel assembly, system control board, DSP board, audio signal 1 board, audio signal 2 board, video Power board, S video board, V compo 1 board and speaker board.
Page 15 Power amp. assembly section 3.2.1 Removing the relay board & Rch amp. board & Lch amp. board & Cch amp. board & SL/SRch amp. board (See Fig.1 to 3) • Prior to performing the following procedure, remove the power top side amp.
Page 16 3.2.2 Removing the thermal SW 2 board (See Fig.4) • Prior to performing the following procedure, remove the power bottom side amp. assembly, relay board and each amp. board of Lch, Cch, Power ICs Heat sink Thermal SW 2 board SL/SRch, Rch.
Page 17 Front panel assembly section 3.3.1 Removing the FL display board & front AV in board (See Fig.1 and 2) • Prior to performing the following procedure, remove the top Front panel assembly cover and front panel assembly. Operation switch panel (1) Pull out the volume knob on the front side of the front panel assembly and remove the nut attaching the FL display board.
Page 18: Adjustment
SECTION 4 ADJUSTMENT Adjustment of idling current Measuring point Alignment point Measuring condition B903 & B904 VR701 No load and No signal.Rated line voltage SURROUND : OFF B911 & B912 VR751 Room temperature : 20~25ºC B907 & B908 VR801 SLch B907 &...
Page 19 Idling Current graph (1/2) SL ch / SR ch SL ch SR ch Time(Min) SBL ch / SBR ch SBL ch SBR ch Time(Min) (No.22008)1-19...
Page 20 Idling Current graph (2/2) L ch / R ch L ch R ch Time(Min) C ch Time(Min) 1-20 (No.22008)
Page 21: Trouble Shooting
SECTION 5 TROUBLE SHOOTING This service manual does not describe TROUBLE SHOOTING. (No.22008)1-21...
Page 22 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.22008) Printed in Japan...
Page 23: Schematic Diagrams
SCHEMATIC DIAGRAMS AUDIO/VIDEO CONTROL RECEIVER RX-DP20VBK CD-ROM No.SML200307 Area suffix J ----------------------------- U.S.A. C -------------------------- Canada T AN M T S AND Y Z NE 1 Z NE 2 TV CA V D S V R 1 N/ F F...
Page 24 RX-DP20VBK In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "...
Page 25 RX-DP20VBK < M E M O >...
Page 26: Block Diagrams
RX-DP20VBK Block diagrams Signal input/output & Main section IC601 DSP board IC602 WR632 CN631 WR204 CN203 Lch/SBLch PRE AMP bo IC603 Audio signal 1 board CN223 IC604 WR323 Rch/SBRch PRE AMP b Audio signal 2 board IC605 WR322 IC606 Video...
Page 27 RX-DP20VBK Speaker board Q710 Q714 FRONT Q711 Q715 RY901 SPK1 Q1710 Q1714 Q1711 Q1715 FRONT RY902 AMP board SPK2 Q764 Q760 Q765 Q761 RY906 CENTER Q1764 Q1760 Q1765 Q1761 REAR L RY904 REAR R E AMP board S. BACK L...
Page 28 RX-DP20VBK Audio signal 1 section CN207 TUNER V SIG L/R IC201 PHONO SUB VI L/R IC262 SUB ROOM VOLUME A/D. C A/D.S TAPE/MD IC212 A/D.SB SUB ROOM IC202 SWITCH TAPE/MD IC203 SOURCE SUBROOM SELECTOR IC221 IC213 Volume A/D SW IC211...
Page 29 RX-DP20VBK Audio signal 2 section TV/DBS VCR1 VIDEO L/R IC321 VCR1 IC322 A/D. L/R, V SIG L/R SOURCE A/D. C/SW, SUB.VI L/R SELECTOR A/D.S L/R, VCR2 A/D.SB L/R VCR2 ROOM L/R SUBROOM L/R Fr L/R Fr L/R FRONT CENTER/SW Sr L/R...
Page 30: Video Section
RX-DP20VBK Video section S-video section VIDEO TV/DBS VCR1 VCR1 IC401, IC441 IC402, VMIX SELECTOR IC403 SELECTOR V.SEPA VCR2 VCR2 IC404 V.OSDOUT Y/C, V IC405 V.OSDIN ZONE2 ZONE2 SUBROOM-R SUBROOM.R SUBROOM SUBROOM.L DSP section CN631 ANALOG IN IC657 DIGITAL IC673 F L/R...
Page 31 RX-DP20VBK Component video section ection VIDEO Y/C Component RY581 VIDEO2 IC461 IN Y Switch IC464, IC491 Y/C OUT SELECTOR Component (Y BLOCK) VIDEO2 IN Cb V.OSDIN SEPA.Y SEPA.C IC465 RY582 Component V.OSDOUT VIDEO2 IC468, Switch YCOUT IN Cr IC492 SELECTOR...
Page 32 RX-DP20VBK Standard schematic diagrams Primary / Regulator section WR65 CN65 2SD2394/EF/ QMR0008 001 2SD2394/EF/ 2SC1740S/RS/ T 2SC1740S RS/ T QGB2510J1 06 DSP RESET 0 0022 DSP COMMAND DSP RESET WR64 CN64 QMR0007 001 1SS133 T2 DSP STATUS DSP COMMAND KRA104M T...
Page 33 RX-DP20VBK CN63 D101 1SS133 T2 WR102 EP62 RY101 QSK0131 001 RY102 QSK0131 001 PW81 PW82 WR101 RY103 QSK0131 001 PW22 RY104 QSK0131 001 PW21 CN61 PW23 PW24 WR81 8 0A 125V PW25 PW26 QQT0281 003 EP21 0 0047 RY21 0 01...
Page 34 RX-DP20VBK Pre main amp section CN821 R723 C709 WR711 R720 C711 47/100 TH701 Q716 R707 Q706 QAD0010 351 2SC2412K/RS/ CN701 KTA1267/YG/ R717 R735 CN781 C715 R737 Q7091 VR701 2SC3422 Y/ R718 R738 C703 100P Q702 2SC1775A/E/ C705 R736 R719 IC601...
Page 35 RX-DP20VBK R723 R1623 C1609 WR714 R1620 C1611 47/100 TH771 R1606 R1607 Q1616 CN704 Q1606 QAD0010 351 2SC2412K/RS/ KTA1267 YG/ R1617 R1635 CN772 C1615 R1637 Q7094 2SC3422 Y/ R1618 R1638 C1603 CN771 Q1602 100P 2SC1775A/E/ C1605 R1619 R1636 C605 VC5022 2...
Page 36 RX-DP20VBK Power amp section Q712 2SC4883A/Y/ D716 D1716 MTZJ33C MTZJ33C Q1714 R1903 R1943 R726 R1726 Q1712 2SC3858/PG/ 2SC4883A/Y/ Q714 2SC3858/PG/ R739 R1739 R1901 R1941 2 7K 2 7K Q1901 Q1941 2SC3906K/RS/ R741 R1741 2SC3906K/RS/ 1 8K R1725 1 8K D715...
Page 37 RX-DP20VBK C1981 1/50 RY901 CN741 L701 WR731 QSK0109 001 R746 R745 C735 C736 0 047 0 047 WR732 L751 RY902 R796 WR733 R795 C785 C786 0 047 0 047 C1983 1/50 WR734 RY903 L801 R846 WR735 R845 C1986 C835 C836...
Page 38 RX-DP20VBK Audio signal intput 1 section R207 R209 2 2K 2 4K C213 Q205 C215 2SA970 GL/ T R249 1 2M 220P R211 Q213 R2605 2 7K 2SC1740S/RS/ T L201 L203 C205 R213 QNN0299 001 C219 J201 R2601 22/50 R201...
Page 39 R2280 100K R292 Fr R R2274 R2353 R2354 2 4K C2266 10/80 5 1K 5 1K R300 Q292 R2260 2SC3576 JVC T IC241 C2252 NJM4580E W 22/50 R299 Q291 2SC3576 JVC T R291 Fr L C2064 R2066 C2063 100/25 R2065...
Page 40 RX-DP20VBK Audio signal intput 2 section R7751 IC701 NJM5532D R7702 C701 R7701 NJM5532D FR H FL H R7734 R7733 C7751 ZIST R Z ST L 47/50 R7710 R7709 FR C FL C C7734 C7733 R7726 R7725 C7752 47/50 J701 J701...
Page 41 RX-DP20VBK IC382 IC382 BA15218N BA15218N R2122 R2123 R2118 D2111 Q2111 1SS355 X KTC3199 R2120 C2115 Q2112 C2114 10 25 DTC144ESA 10 25 R2121 D2123 D2121 3 3K MTZJ5 1C 1SS355 X C2116 R2119 10/25 Audio signal Tuner signal Front audio signal...
Page 42 RX-DP20VBK Video signal intput 1 section C4702 47/25 C4701 0 01 Q4701 C471 BU4051BC KRC102S X MA N1 Q4702 KRC102S X VCR1R S12 R4704 MA N2 VCR2R S12 R4705 C4501 C4521 R4501 0 01 0 047 TV C MONI S12...
Page 43 RX-DP20VBK C4854 47 25 C4855 0 01 IC483 NJM2509V W R4842 R4626 Q4628 1/50 C4858 SA1037AK/RS/ X C4856 C4857 0 01 Q4703 KRC102S X R4843 R4845 R4844 R4846 C4624 C4625 C4621 47/25 C4626 47/25 C4622 0 01 C4627 0 01...
Page 44 RX-DP20VBK Video signal intput 2 section C411 1/50 C413 1/50 C408 47/25 C414 47 25 C409 0 01 C415 0 01 C401 NJM2286V W C402 MM1118XF X MAIN3 MA N1 MA N1 C403 R410 MA N2 R437 C449 1/50 R403...
Page 45 RX-DP20VBK J581 R581 R585 RY581 J581 R582 Q581 C442 KRC105M T 0 47/50 C441 C440 J581 R583 R431 R586 C439 0 022 C446 0 0068 RY582 C437 R584 C1437 Q582 KRC105M T CN581 QGF1205F1 16 SHEET 8/11 10/16 R4805 C4818...
Page 46 RX-DP20VBK Video signal intput section R1530 R512 R501 R1533 RY501 D501 1SS355 X R502 R1531 Q501 KRC105M T R1534 R1532 R513 R503 R1535 RY502 D502 1SS355 X C502 UPC1830GT XE R1509 R1510 R1511 C1501 680p Q502 R1501 R1512 R1513 KRC105M T...
Page 47 RX-DP20VBK R565 R561 RY561 D561 1SS355 X R562 Q561 KRC105M T R566 R563 RY562 D562 1SS355 X R564 J561 QNZ0499 001 Q562 KRC105M T R1536 R1547 C1526 2 2/50 C561 0 047 Q507 L1 1 2SA1037AK/RS/ X C575 47/16 C562...
Page 48 RX-DP20VBK System control LSI / FL display section RA966 QRB169J 104 C1013 4 7 50 C1012 4 7/50 DI961 QLF0110 001 Q1011 KRC107M Q1012 KRA107M Q1022 Q1023 Q1021 KRC109M KRC107M KRC111M R1022 Q1013 R1021 C1021 KRA107M 330p Q1014 KRA107M AV VCR...
Page 49 RX-DP20VBK SHEET 1/11 WR961 WR962 QJK014 087002 QJK014 083003 S1051 S1052 QSW0851 001 QSW0851 001 WR977 QJK030 042404 CN977 D1003 QGA2001F1 04 11ES2 T4 DOOR DET3 DOOR DET1 DOOR DET2 AV VCR AV VCR D1002 D1004 D1001 C1011 R1151 11ES2 T4...
Page 50 RX-DP20VBK DSP 1 section C801 C3610 TC5081BP C802 C831 SN74LVC1GU04K X PQ20VZ11 X R3601 C3618 LC801 NQR0450 001X R3602 IC810 SN74LVC1G04K X C3608 L3601 C3609 100p 0 39 100p R3603 2 7K R3604 R3605 100K 100K D3603 C3601 C3602 10 16...
Page 51 RX-DP20VBK A GND AD/DIR C681 SN74LV157APW X C3811 R3813 R3811 A BCK R3814 R3815 LRCK S MCK R3812 A LRCK A DATA DATIN0 R3816 R3818 S LRCK R3817 S BCK S LRCK S BCK C3622 C818 SN74LV126APW X C3641 R3624...
Page 52 RX-DP20VBK DSP 2 section LFE CONT LFE MIX R3106 R3171 R3172 R3173 R3108 R3174 R3110 C3171 3 6k 100p K3182 R3182 NQR0229 001X C3185 0 22 R3184 K3184 NQR0229 001X C3186 0 01 C635 JCV8006 R3175 C3175 0 01 C3179...
Page 53 RX-DP20VBK C3154 47 50 C3152 R3112 100/25 C3144 R3126 C3112 R3114 R3148 R3146 1 6k 180p C632 C3124 NJM5532M D XE 1000P R3122 R3124 R3144 C3116 C3126 IC633 R3132 22/50 NJM5532M D XE R3134 001X 2 2k 10 80 IC687...
Page 54: Printed Circuit Board
RX-DP20VBK Printed circuit board Amp board Foward side Power amp board CN823 CN723 D774 D773 RY751 R1978 WR733 WR735 WR732 WR736 WR731 WR734 R1976 D1941 D1901 D1961 CN722 CN782 CN822 R719 C708 R1769 C1758 Surround back ch D703 D1753 pre-main amp board...
Page 55 RX-DP20VBK Speaker board R1795 C1786 C1785 R1796 R1777 TW701 TW702 C1773 C1775 C1777 D746 D796 D846 C775 C776 C773 C774 CN701 WR737 ST903 C1772 C1774 C1776 D845 D745 D795 EP701 C1984 D1951 D1765 R1693 D1911 R1775 Q1762 D803 R1619 Center ch...
Page 56 RX-DP20VBK Amp board Reverse side Speaker board Power amp board R792 R1795 EP702 R790 L1751 C1786 C1785 R1777 R1796 CN763 RY905 TW701 C1737 TW702 C1777 C1775 C1773 D846 D796 D746 HS702 C774 C773 C776 C775 R1953 C1787 CN742 WR737 WR732...
Page 57 RX-DP20VBK side D774 D773 R1972 R1971 R1973 Q1971 R1978 R1944 WR735 WR733 WR734 WR731 WR736 C1975 R1976 D1941 D1921 D1901 R1942 R828 R741 R1769 R719 WR711 C1758 WR717 C708 D1753 D703 pre-main amp board board pre-main amp board R1768 CN772...
Page 58 RX-DP20VBK Audio & Video board Foward side R3135 R3133 R3163 R3147 R3121 Q3161 C3101 R3190 C3143 R3125 R3123 R3143 R3161 R3189 R3105 C3183 R3145 C3123 R3188 R3129 R3103 R3187 R3131 R3191 C3181 R3186 C3111 C3127 R3183 C3197 K3184 C687 R3107...
Page 59 RX-DP20VBK A/D convertor board CN631 R3051 R3032 R3052 R3031 C3061 C3039 C3041 R3174 R3173 R3172 LRCKO R3177 R3171 C3040 C3042 R3551 C3062 C3060 BCKO IC659 R3176 MCKO C3297 IC658 SOUT R3036 FOUT C3036 C3056 COUT C3273 C3055 IC640 R3057 C3035...
Page 60 RX-DP20VBK Audio & Video board Reverse side A/D convertor board BC604 C3101 R3105 BC601 C3123 R3183 R3107 CN631 C3181 IC632 C3111 C3127 IC633 K3181 BC602 R3181 C3146 R3182 C3155 R3054 K3182 R3108 C3128 C3124 R3034 R3053 R3033 C3145 C3112 R3106...
Page 61 RX-DP20VBK 3128 R1119 R1120 Door input board J501 RY503 Y504 RY502 RY501 C509 C510 C508 C506 2-36...
Page 62 RX-DP20VBK Power supply board Main board CN13 CN14 CN11 CN12 Digital power supply board Power supply / fuse board CN25 WR26 Power transformer 2 board Power transformer 1 board CN47 RY104 WR81 RY103 CN61 PW82 PW83 PW81 WR42 WR101 FC44...
Page 63 RX-DP20VBK CN15 CN46 WR12 CN45 CN44 WR13 WR14 CN10 HS63 TW83 IC61 HS61 WR85 TW82 WR86 CN48 TW81 CN64 CN65 CN63 Power supply temp Head phone board compensation board 2-38...
Page 64 RX-DP20VBK Front board Power switch board WR970 Compu link board R1032 R1201 D1202 D1031 CN301 D1201 C1201 S1024 R1210 R1209 D1034 C301 R1208 S1041 R1205 Q1202 D1203 IC964 WR301 C1205 D1032 R1207 J1213 J1201 S1022 R1025 J1211 J1212 C1212 S1023...
Page 65 RX-DP20VBK Door switch board R1208 Front AV board Q1202 D1203 J471 C474 C1205 C478 R472 C475 C476 J1210 C471 K472 R473 R471 C473 CN973 C472 C480 K471 TW471 C479 WR972 S1026 S1032 S1033 S1043 R1046 S1027 S1025 S1031 S1044 R1076...
Page 66 RX-DP20VBK DSP board Foward side DSP board C3652 IC831 IC801 C3602 IC681 WR636 Q3651 R3652 R3651 D3604 IC818 IC808 C3601 IC812 LC801 D3603 IC803 R3609 IC821 R3610 R3604 R3614 K3701 R3605 D3601 IC811 IC819 D3602 IC822 C3901 IC807 IC806 C3621...
Page 67 RX-DP20VBK Y/C sep. board R4854 Q4806 C4868 R4853 R4852 R4857 C4871 C4869 Q4807 R4832 R4831 R4833 C4859 C4873 Q4801 R4835 L483 L488 C4860 Q4802 C4861 L482 R4836 R4834 C4804 L484 L486 C4803 R4839 R4837 R4838 C4802 R4847 C4830 C4828 Q4804...
Page 68 RX-DP20VBK DSP boards Revevse side IC801 R3603 L360 IC8 0 IC802 R3601 C3662 WR636 C3612 C3611 C3616 R3621 C3614 C3615 C3613 BC801 R3611 Y/C sep. board C3745 C3617 R3746 R3745 R3744 C3744 R3741 R3742 C362 C3743 LC673 J3701 UN631 C3736...
Page 69 RX-DP20VBK DSP board R3603 R3812 R3816 L3601 BC802 IC810 IC802 R3815 R3817 C3662 R3818 C3811 R3814 R3624 R3813 C3612 R3623 R3643 C3622 C3616 C3641 R3626 IC690 C3620 R3621 C3615 C3619 R3646 C3642 R3611 R3647 R3648 C3624 C3643 C3625 C3617 R3634...
Page 70 RX-DP20VBK Audio & Video signal I/O board Foward side Audio signal 1 board CN201 CN224 R2273 CN234 CN208 C2053 R276 C2251 R2274 R2353 RY274 R2623 C2051 R2051 C225 R275 R277 FL301 FL302 C2054 C2252 C2052 RY275 R2354 R2052 C2061 R278...
Page 71 RX-DP20VBK WR204 SW201 CN207 CN223 CN218 CN203 C222 C210 C212 RY278 C208 FL302 C207 C209 C211 C246 R2614 C2418 RY271 C244 C242 C245 C241 R2613 C243 C2417 B337 C273 C2032 R2018 C2012 C2016 C2031 R2039 R2017 C2015 R2621 C2011 R2040...
Page 72 RX-DP20VBK Audio & Video signal I/O board Reverse side Audio signal 1 board SW201 WR204 CN201 CN203 CN223 R227 Q211 C221 R240 R246 CN207 RY278 Q212 C208 C222 R228 R238 R276 C212 C210 R236 R250 R222 R2304 FL302 C214 R2303...
Page 73 RX-DP20VBK CN208 R2273 CN234 CN224 C2053 C2251 C2051 R2353 R2051 R2274 R2623 IC251 C2252 IC213 C2052 R2052 R2354 C2054 IC221 C2059 C2061 R2357 R2059 IC222 C285 R2265 R2262 R2062 IC252 Q300 C2060 R2060 C2062 C274 R2358 C2067 IC223 R2067 R2361...
Page 74 RX-DP20VBK Audio signal I/O board Audio signal 3 board J701 J702 C7701 C7716 C7704 C7709 C7708 C7705 C7714 C7711 C7713 C7712 C7736 C7734 C7740 C7735 C7733 C7739 C7738 C7737 C7752 C7751 C7758 C7755 C7753 C7754 C7756 C7757 R7757 WR700 Temp compensation board...
Page 75 RX-DP20VBK < M E M O >...
Page 76 VICTOR COMPANY OF J APAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.22008SCH)
Page 77: Parts List
PARTS LIST [ RX-DP20VBK ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J ----------------------------- U.S.A. C -------------------------- Canada - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 6 Electrical parts list (Block No.01~07)
Page 78 Exploded view of general assembly and parts list Block No. Power supply 1 board Power / fuse board Power trans 1 board Power trans 2 board Power supply 3 board Therm SW boa Power supply 2 board REG. board Head phone board 9.5 0.3mm e' J Power SW board...
Page 79 Compu link Speaker board board 153 153 Y/C separator board Audio 7.1ch V compo in board 2 board V compo 1 board T. c. board T. c. board S Video board T. c. board Video board Audio signal 2 board Power amp.
Page 80 TRANS BASE LV10536-024A FRONT BASE QYSDSG3008E TAPP NG SCREW 3mm x 8mm(x10) LV30225-0D5A SPACER LV10543-003A CENTER BKT(L) PQ45130-1-1 JVC MARK QYSBSGG3008E TAPP NG SCREW 3mm x 8mm(x5) E60912-003 SPEED NUT LV10544-002A CENTER BKT(R) LV43263-001A K2 MARK QYSBSGG3008E TAPP NG SCREW...
Page 81  Symbol No. Part No. Part Name Description Local QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x8) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x4) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x6) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x4) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x4) QYSBSGY3008E...
Page 82: Electrical Parts List
Electrical parts list Power amp. board Block No. [0][1][0][0]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q1631 2SC2412K/RS/-X TRANSISTOR Q1632 DTA124EKA-X DIGI TRANSISTOR IC601 VC5022-2 Super A Q1651 2SC1775A/E/-T TRANSISTOR IC602 VC5022-2...
Page 83  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local D716 MTZJ33C-T2 Z DIODE D1921 1SS133-T2 DIODE D717 MTZJ33C-T2 Z DIODE D1931 1SS133-T2 DIODE  D745 F10P20F DIODE D1941 1SS133-T2 DIODE  D746 F10P20FR DIODE D1951...
Page 84  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C1608 QFN31HJ-472Z M CAPACITOR 4700pF 50V J C1975 QETN1HM-226Z E CAPACITOR 22uF 50V M C1609 QCS32HJ-470Z C CAPACITOR 47pF 500V J C1981 QETN1HM-105Z E CAPACITOR 1uF 50V M...
Page 85  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R779 QRZ0182-R10 EMIT.RESISTOR 0.1Ω R1620 QRJ146J-121X UNF C RESISTOR 120Ω 1/4W J R781 QRL027J-472 OMF RESISTOR 4.7kΩ 2W J R1621 QRJ146J-121X UNF C RESISTOR 120Ω...
Page 86  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R1712 QRE141J-680Y C RESISTOR 68Ω 1/4W J R1912 NRSA02J-153X MG RESISTOR 15kΩ 1/10W J R1713 QRE141J-152Y C RESISTOR 1.5kΩ 1/4W J R1913 NRSA02J-123X MG RESISTOR 12kΩ...
Page 87 E-SI C WIRE C-B Q271 2SD468/BC/-T TRANSISTOR WR714 WJK0139-003A E-SI C WIRE C-B Q272 2SD468/BC/-T TRANSISTOR WR715 WJK0139-002A E-SI C WIRE C-B Q291 2SC3576-JVC-T TRANSISTOR WR716 WJK0140-001A E-SI C WIRE C-B Q292 2SC3576-JVC-T TRANSISTOR WR717 WJK0140-002A E-SI C WIRE C-B Q293 2SC3576-JVC-T TRANSISTOR...
Page 88  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local Q2041 2SC3576-JVC-T TRANSISTOR C209 QFN31HJ-472Z M CAPACITOR 4700pF 50V J Q2042 2SC3576-JVC-T TRANSISTOR C210 QFN31HJ-472Z M CAPACITOR 4700pF 50V J Q2043 KRA107S-X...
Page 89  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C417 QETN1EM-476Z E CAPACITOR 47uF 25V M C2213 NCB31HK-223X C CAPACITOR 0 022uF 50V K C418 NCB31HK-103X C CAPACITOR 0.01uF 50V K C2221 NCB31HK-223X C CAPACITOR...
Page 90  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C4606 QETN1EM-476Z E CAPACITOR 47uF 25V M R227 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J C4607 NCB31HK-103X C CAPACITOR 0.01uF 50V K R228 NRSA63J-103X MG RESISTOR 10kΩ...
Page 91  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R309 NRSA63J-474X MG RESISTOR 470kΩ 1/16W J R438 NRSA63J-471X MG RESISTOR 470Ω 1/16W J R311 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R439 NRSA63J-0R0X MG RESISTOR 0Ω...
Page 92  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R2261 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R2622 QRJ146J-680X UNF C RESISTOR 68Ω 1/4W J R2262 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R2623 QRJ146J-680X UNF C RESISTOR...
Page 93  Symbol No. AC supply board Part No. Part Name Description Local Block No. [0][3][0][0] R4846 NRSA63J-221X MG RESISTOR 220Ω 1/16W J  Symbol No. R4901 NRSA63J-750X MG RESISTOR 75Ω 1/16W J Part No. Part Name Description Local R4902 NRSA63J-750X MG RESISTOR 75Ω...
Page 94  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local QCBB1HK-222Y C CAPACITOR 2200pF 50V K QRZ0133-911 C RESISTOR 910Ω QETN1CM-107Z E CAPACITOR 100uF 16V M QRZ0133-911 C RESISTOR 910Ω  R65 QETN1AM-227Z E CAPACITOR 220uF 10V M...
Page 95  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local QQR0779-001Z COIL D1202 1SS133-T2 DIODE QQR0779-001Z COIL D1203 MTZJ12C-T2 Z DIODE QSK0109-001 RELAY D1211 MTZJ6 2C-T2 Z DIODE  RY21 QSK0098-001 RELAY RY101 QSK0131-001 RELAY...
Page 96  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R1045 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R1164 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R1046 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R1165 NRSA63J-221X MG RESISTOR 220Ω...
Page 97: Dsp Board
 Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local J1211 QNS0073-001 JACK IC691 BA033FP-X Regulator J1212 QNS0073-001 JACK IC692 BA033FP-X Regulator J1213 QNS0077-001 3.5 JACK IC693 BA033FP-X Regulator JS961 QSW0867-001 SWITCH IC700 SN74LVC1G04K-X K472...
Page 98  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C3544 NCB31HK-103X C CAPACITOR 0.01uF 50V K C3735 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C3545 NCB31HK-103X C CAPACITOR 0.01uF 50V K C3736 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z...
Page 99  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C4853 NEA71HM-105X E CAPACITOR 1uF 50V M R3651 NRSA63J-302X MG RESISTOR 3kΩ 1/16W J C4859 NCS31HJ-470X C CAPACITOR 47pF 50V J R3652 NRSA63J-102X MG RESISTOR 1kΩ...
Page 100  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R4840 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J Q7096 2SC3422/OY/ TRANSISTOR R4841 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J Q7097 2SC3422/OY/ TRANSISTOR R4842 NRSA63J-511X MG RESISTOR 510Ω...
Page 101: Audio Board
 Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R7736 QRV12DF-1000 CMF RESISTOR 100Ω 1/2W F Q581 KRC105M-T DIGI TRANSISTOR R7737 QRV12DF-1000 CMF RESISTOR 100Ω 1/2W F Q582 KRC105M-T DIGI TRANSISTOR R7738 QRV12DF-1000 CMF RESISTOR...
Page 102  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C1525 NCF21EZ-224X E CAPACITOR 0.22uF 25V Z C3175 NCB31HK-103X C CAPACITOR 0.01uF 50V K C1526 QETN1HM-225Z E CAPACITOR 2.2uF 50V M C3179 NCF21CZ-155X C CAPACITOR 1.5uF 16V Z...
Page 103  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C3352 QEZ0629-107 E.CAPA AWF 100uF R507 NRSA63J-750X MG RESISTOR 75Ω 1/16W J C3353 QEZ0538-476Z C CAPACITOR 47uF R508 NRSA63J-750X MG RESISTOR 75Ω 1/16W J C3354 QEZ0538-476Z C CAPACITOR...
Page 104  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R3010 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R3172 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R3011 NRSA63J-220X MG RESISTOR 22Ω 1/16W J R3173 NRSA63J-221X MG RESISTOR 220Ω...
Page 105  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R3288 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R3412 NRSA63J-163X MG RESISTOR 16kΩ 1/16W J R3289 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R3413 NRSA63J-162X MG RESISTOR 1.6kΩ...
Page 106  Symbol No. Part No. Part Name Description Local K3282 NQR0229-001X FERRITE BEADS K3283 NQR0229-001X FERRITE BEADS K3284 NQR0229-001X FERRITE BEADS K3381 NQR0229-001X FERRITE BEADS K3382 NQR0229-001X FERRITE BEADS K3383 NQR0229-001X FERRITE BEADS K3384 NQR0229-001X FERRITE BEADS K3481 NQR0229-001X FERRITE BEADS K3482 NQR0229-001X FERRITE BEADS...
Page 107 < MEMO > 3-31...
Page 108 Packing materials and accessories parts list Block No. 3-32...
Page 109 Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local DP20 LVT0965-002A INST BOOK ENG,FRE VBKC DP20 LVT0965-001A INST BOOK VBKJ QAL0236-001 ANTENNA QAL0219-001 LED CABLE ASSY EWP503-001C ANT.WIRE QAL0204-001 AM LOOP ANT DP20 BT-51028-2 J=REGIST CARD VBKJ DP20...

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