PIONEER VSX D512K S, VSX D512 Service Manual

N∫m-Û.,<

ORDER NO.

RRV2743

VSX-D512-K

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-D512-K

VSX-D512-S

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model	Type	Power Requirement	Remarks
VSX-D512-K	MYXJIEW	AC220-230V
VSX-D512-S	MVJI	AC230V
VSX-D512-S	MYXJIEW	AC220-230V
VSX-D512-S	MYXJIFG	AC220-230V

For details, refer to "Important symbols for good services" .

PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.

PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 2003

T-ZZR APR. 2003 printed in Japan

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SAFETY INFORMATION

A

This service manual is intended for qualified service technicians ; it is not meant for the casual do-it- yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause

B

cancer, birth defects or other reproductive harm.

Health & Safety Code Section 25249.6 – Proposition 65

NOTICE

(FOR CANADIAN MODEL ONLY)

Fuse symbols

(fast operating fuse) and/or

(slow operating fuse) on PCB indicate that replacement parts must

be of identical designation.

REMARQUE

(POUR MODÈLE CANADIEN SEULEMENT)

Les symboles de fusible

(fusible de type rapide) et/ou

(fusible de type lent) sur CCI indiquent que les pièces

de remplacement doivent avoir la même désignation.

C

(FOR USA MODEL ONLY)

1. SAFETY PRECAUTIONS

The following check should be performed for the continued protection of the customer and service technician.

LEAKAGE CURRENT CHECK

Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester

Dsuch as Simpson Model 229-2 or equivalent between the earth ground and all exposed metal parts of the appliance

(input/output terminals, screwheads, metal overlays, control shaft, etc.). Plug the AC line cord of the appliance directly into a 120V AC 60Hz outlet and turn the AC power switch on. Any current measured must not exceed 0.5mA.

			Reading should
		Leakage	not be above
	Device	current	0.5mA
E	under	tester
	test
	Test all
	exposed metal
	surfaces
	Also test with
	plug reversed		Earth
	(Using AC adapter		ground
	plug as required)

ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER.

2. PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in the appliance have special safety related characteristics. These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this Service Manual.

Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual.

The use of a substitute replacement component which does not have the same safety characteristics as the PIONEER recommended replacement one, shown in the parts list in this Service Manual, may create shock, fire, or other hazards.

Product Safety is continuously under review and new instructions are issued from time to time. For the latest information, always consult the current PIONEER Service Manual. A subscription to, or additional copies of, PIONEER Service Manual may be obtained at a nominal charge from PIONEER.

AC Leakage Test

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[ Important symbols for good services ]

In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.

When you find the procedures bearing any of the symbols, be sure to fulfill them:

1. Product safety

You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual.

2. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.

In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning

For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning, proper cleaning should be performed to restore their performances.

4. Shipping mode and shipping screws

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

5. Lubricants, glues, and replacement parts

Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying

glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used.

		VSX-D512-K			7	3
5	6					8

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1 2 3 4

CONTENTS

		SAFETY INFORMATION.....................................................................................................................................	2
	A	1. SPECIFICATIONS ............................................................................................................................................	5
		2. EXPLODED VIEWS AND PARTS LIST	6
		2.1 PACKING ...................................................................................................................................................	6
		2.2 EXTERIOR SECTION................................................................................................................................	8
		2.3 FRONT PANEL SECTION .......................................................................................................................	10
		3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................	12
		3.1 BLOCK DIAGRAM ...................................................................................................................................	12
		3.2 OVERALL WIRING CONNECTION DIAGRAM........................................................................................	14
		3.3 D.D & INPUT(1/4) ASSY ..........................................................................................................................	16
		3.4 D.D & INPUT(2/4) ASSY ..........................................................................................................................	18
		3.5 D.D & INPUT(3/4) ASSY ..........................................................................................................................	20
		3.6 D.D & INPUT(4/4) ASSY ..........................................................................................................................	22
	B	3.7 AMP & PRIMARY(1/2), TRANS2 and TRANS3 ASSYS ..........................................................................	24
		3.8 AMP & PRIM.(2/2), REG., HASHIGETA and MECH SW ASSYS	26
		3.9 VIDEO and 6CH IN ASSYS .....................................................................................................................	28
		3.10 FRONT, R.ENCODER and POWER SW ASSYS ..................................................................................	30
		3.11 DIGITAL IN, H.P. and KAWA ASSYS .....................................................................................................	32
		3.12 FM/AM TUNER MODULE......................................................................................................................	34
		4. PCB CONNECTION DIAGRAM .....................................................................................................................	36
		4.1 TRANS1, TRANS2 and TRANS3 ASSYS ................................................................................................	37
		4.2 D.D & INPUT ASSY .................................................................................................................................	38
		4.3 AMP INPUT, AMP & PRIMARY and MECHA SW ASSYS.......................................................................	42
		4.4 FRONT, POWER SW, H.P. and R.ENCODER ASSYS ............................................................................	44
		4.5 REGULATOR, HASHIGETA and KAWA ASSYS......................................................................................	48
	C	4.6 DIGITAL IN, 6CH IN and VIDEO ASSYS .................................................................................................	50
		4.7 FM/AM TUNER MODULE	52
		5. PCB PARTS LIST ...........................................................................................................................................	53
		6. ADJUSTMENT ...............................................................................................................................................	58
		7. GENERAL INFORMATION.............................................................................................................................	59
		7.1 DISASSEMBLY and DIAGNOSIS ............................................................................................................	59
		7.1.1 DISASSEMBLY and PCB LOCATION...................................................................................................	59
		7.1.2 U-COM BLOCKDIAGRAM ....................................................................................................................	60
		7.1.3 PROTECTION CIRCUIT .......................................................................................................................	61
		7.1.4 POWER ON SEQUENCE .....................................................................................................................	62
		7.1.5 POWER OFF SEQUENCE ...................................................................................................................	63
		7.2 PARTS......................................................................................................................................................	64
	D	7.2.1 IC ..........................................................................................................................................................	64
		7.2.2 DISPLAY ...............................................................................................................................................	69
		8. PANEL FACILITIES ........................................................................................................................................	71

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1. SPECIFICATIONS

Amplifier Section

Continuous Power Output (STEREO mode)

Front ....................................	80 W per channel
	(DIN 1kHz, THD 1.0 %, 8 Ω	)
Continuous Power Output
Front .....................................................	80 W per channel
	(1kHz, THD 1.0 %, 8 Ω )
Center .........................................	80 W (1kHz, THD 1.0 %, 8 Ω	)
Surround ....................	80 W per channel (1kHz, THD 1.0 %, 8 Ω	)

• Above specifications are applicable when the power supply is 230V.

Input (Sensitivity/Impedance)

CD, VCR/DVR, CD-R/TAPE/MD, DVD/LD, TV/SAT ... 200 mV/47 kΩ

Frequency Response

CD, VCR/DVR, CD-R/TAPE/MD, DVD/LD,TV/SAT

..................................................................		5 Hz to 100,000 Hz –+03 dB
Output (Level/Impedance)
VCR/DVR REC, CD-R/TAPE/MD REC		.................... 200 mV/2.2 kΩ
Tone Control
BASS ......................................................................		± 6 dB (100 Hz)
TREBLE ..................................................................		± 6 dB (10 kHz)
LOUDNESS .....................................	+9 dB/+9 dB (100 Hz/10 kHz)

Signal-to-Noise Ratio [DIN (Continuous rated power output/50 mW)]

CD, VCR/DVR, CD-R/TAPE/MD,DVD/LD, TV/SAT ............. 88/64 dB

Video Section

Input (Sensitivity/Impedance)
VCR/DVR, DVD/LD, TV/SAT .........................................	1 Vp-p/75 Ω
Output (Level/Impedance)
VCR/DVR ......................................................................	1 Vp-p/75 Ω
Frequency Response
VCR/DVR, DVD/LD,TV/SAT ] MONITOR	+0
	5 Hz to 7 MHz – 3 dB
Signal-to-Noise Ratio ..............................................................	55 dB
Cross Talk ...............................................................................	55 dB

Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic II” and the double D symbol2 are trademarks of Dolby Laboratorories.

"DTS" ,“ES” and "DTS Digital Surround" are trademarks of Digital Theater Systems, Inc.

FM Tuner Section

	Frequency Range ..........................................		87.5 MHz to 108 MHz
	Usable Sensitivity .......................		Mono:13.2 dBf, IHF (1.3 µV/ 75 Ω )
	50 dB Quieting Sensitivity .........................................			Mono: 20.2 dB
				Stereo: 38.6 dBf
	Signal-to-Noise Ratio .................................		Mono: 73 dB (at 85 dBf)
			Stereo: 70 dB (at 85 dBf)
	Signal-to-Noise Ratio (DIN) ....................................... Mono: 62 dB
		........................................................		Stereo: 58 dB
	Distortion			Stereo: 0.5 % (1 kHz)
	Alternate Channel Selectivity .................................			60 dB (400 kHz)
	Stereo Separation ......................................................			40 dB (1 kHz)
	Frequency Response .................................		30 Hz to 15 kHz (±1 dB)
	Antenna Input (DIN) ..............................................			75 Ω unbalanced

AM Tuner Section

Frequency Range ...........................................	531 kHz to 1,602 kHz
Sensitivity (IHF, Loop antenna) .........................................	350 µV/m
Selectivity ................................................................................	25 dB
Signal-to-Noise Ratio ..............................................................	50 dB
Antenna ......................................................................	Loop antenna

Miscellaneous

Power Requirements		AC 230 V, 50/60Hz
UK model ...............................................
European model .........................................		AC 220-230 V, 50/60 Hz
Power Consumption
....................................................................... 220W
In Standby .............................................................................		1 W
Dimensions ...................................	420 (W) x 158 (H) x 393 (D) mm
Weight (without package)
..........................................................................		9.0 kg
Furnished Parts
AM loop antenna ............................................................................		1
FM wire antenna ............................................................................		1
Dry cell batteries (AA size IEC R6P) ..............................................		2
Remote control ...............................................................................		1
Operating instructions ....................................................................		1

Specifications and the design are subject to possible modifications without notice, due to improvements.

A

B

C

D

Accessories

E

INPUTSELECTOR DVD/LDRECEIVERTV/SAT CD

VCR/ DVR

MASTER

FLINPUT DIMMERATT MUTE

TUNING STATION

CLASSBAND MPX DISPLAY

MENU TOPMENU

RECEI-

DVD VER

DVD

EFFECT

TITLESUB 1 3 ¡

87 4 ¢

DVDCONTROL

AVRECEIVER Î

MIDNIGHT/ LOUDNESS

ADVANCED SURROUNDSTANDARDSTEREOVOLUME

TUNER EDIT ENTER

AUDIO

R/ - CD TAPE/MD

SETUP

SELECTCH

LEVEL

TUNER

TEST TONE

AM loop antenna	FM wire antenna	AA size IEC R6P	Remote control
(ATB7009)	(ADH7030)	Dry cell batteries (x2)	(XXD3039)

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		VSX-D512-K			7	5
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3

4

2. EXPLODED VIEWS AND PARTS LIST

NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.

A

The mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.

Screws adjacent to mark on product are used for disassembly.

For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions, apply as you think it appropriate.)

2.1 PACKING

B

1
3
2
	7
4	8
C	9
5
/MYXJIEW Type
6
	11
14	10
D	12
15

E

13

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1	2		3	4

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PACKING parts List

Mark No.		Description	Part No.	Mark No.	Description	Part No.
	1	FM wire antenna	ADH7030	NSP 9	Literature Bag	AHG1180
NSP	2	Warranty Card	ARY7065	10	Packing Sheet	AHG7069
	3	AM loop antenna	ATB7009
NSP	4	Dry cell batteries (AA/R6P)	VEM1031	11	Left Pad R5	XHA3032
	5	Operating instructions	See Contrast table(2)	12	Right Pad R5	XHA3033
		(English/Italian)		13	Packing Case	See Contrast table(2)
				14	Operating instructions	See Contrast table(2)
	6	Operating instructions	See Contrast table(2)	NSP 15	Accessory Board	XHB3008
	7	Remote Control	XXD3039
	8	Battery Cover	AZA7378

(2) CONTRAST TABLE

VSX-D512-S/MVXJI, /MYXJIEW, /MYXJIFG and VSX-D512-K/MYXJIEW are constructed the same except for the following :

	Mark	NO	Symbol and Description	VSX-D512-K/	VSX-D512-S/	VSX-D512-S/	VSX-D512-S/
				MYXJIEW	MVXJI	MYXJIEW	MYXJIFG
		5	Operating Instructions (English,Italian)	XRE3068	XRE3068	XRE3068	Not used
		6	Operating Instructions (French,German)	XRC3080	Not used	XRC3080	XRC3080
		13	Packing Case	XHD3328	XHD3329	XHD3329	XHD3329
		14	Operating Instructions (Spanish,Dutch)	XRC3079	Not used	XRC3079	Not used

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B

C

D

E

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3

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2.2 EXTERIOR SECTION

A
										35		42
								42
								53
						41		53
		57									53
B
					22						58	23
											24
						I
													53
				53	54	21				40			60	53 60
							53
								57						53	53
		B 2					C		I
	50			J
								9 J							53
				53			30								53
C				H		50									53
	53	54				G				N
												53			53
	H 4			M			53	46		31
		K													56
		L								27	E	N	8 M
								49			34
													39(1/2)
			D			53		48						53
										L 15
						53			53
	17 D		I	16	J
								47	53				43
						H		53							28
	M											A 1			F
D	L
						5 C					25
	K
						55	51	44			A	53
									53	29	C
										D	53
						55								39(2/2)
	20														18 X
															E
														F
												3 E		13 K
				G								26
	53											B		53
E						Accessory of						6	F		53
						Front Panel							59
											38
									37
							53								45
										53
							A
											NON-CONTACT
											SIDE	CONTACT
								B
	53											SIDE
								38
							53
								53
	Refer to
	"2.3 FRONT PANEL SECTION".
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	8							VSX-D512-K
	1						2			3					4

		5	6
EXTERIOR SECTION parts List
Mark No.		Description	Part No.
	1	D.D & INPUT ASSY	XWX3044
	2	AMP & PRIMAR ASSY	XWZ3533
	3	REGULATOR ASSY	XWZ3544
	4	AMP INPUT ASSY	XWZ3547
	5	TRANS2 ASSY	XWZ3555
	6	HASHIGETA ASSY	XWZ3566
	7	• • • • •
	8	6CH IN ASSY	XWZ3507
	9	DIGITAL IN ASSY	XWZ3747
	10	• • • • •
	11	• • • • •
	12	• • • • •
	13	KAWA ASSY	XWZ3529
	14	• • • • •
	15	VIDEO ASSY	XWZ3490
NSP 16		TRANS1 ASSY	XWZ3552
NSP 17		TRANS3 ASSY	XWZ3560
	18	FM/AM TUNER MODULE	AXQ7232
	19	• • • • •
>	20	Power Transformer (T1)	ATS7259
NSP 21		Fuse Card	AAX7277
>	22	Fuse (FU1:T2.5A)	REK1026
>	23	Power Cord	See Contrast table(2)
	24	Cord Stopper	CM-22B
	25	28P F•F•C/30V (J31)	XDD3097
		DD CN102 - FRONT CN402
	26	17P F•F•C/30V (J32)	XDD3098
		KAWA CN5001 - FRONT CN401
	27	7P F•F•C/30V (J33)	XDD3099
		KAWA CN5004 - VIDEO CN503
	28	13P F•F•C/30V (J34)	XDD3100
		KAWA CN5005 - FM/AM TUNER CN201
	29	19P F•F•C/30V (J35)	XDD3101
		DD CN106 - AMP INPUT CN254
	30	23P F•F•C/30V (J36)	XDD3102

	7	8
Mark No.	Description	Part No.
	AMP CN53 - REGULATOR CN801
31	7P F•F•C/30V (J37)	XDD3103
	DD CN9101 - DIGITAL IN CN1901
32	• • • • •
33	• • • • •
34	9P F•F•C/30V (J48)	XDD3106
	DD CN104 - 6CH IN CN307
35	Top Cover	See Contrast table(2)
36	• • • • •
NSP 37	Under Base 409	ANA7094
38	Insulator	PNW2766
39	FFC Cover R5	XMR3047
40	Rear Panel	XNC3191
41	Bonnet D510	See Contrast table(2)
42	Push Rivet	See Contrast table(2)
43	Tuner Shield R5	XNG3072
44	PCB Angle R5	XNG3073
45	Reg Support R5	XNG3074
NSP 46	Heat Sink Assy 0.8	ANH7118
47	Heat Sink Angle F	ANG7251
48	Heat Sink Angle R	ANG7252
NSP 49	Heat Sink 0.8	ANH7110
50	Screw 3x23	ABA7043
51	PCB Mold	AMR2533
52	• • • • •
53	Screw	BBZ30P080FMC
54	Screw	BBZ30P200FMC
55	Screw	FBT40P080FZK
56	Tuner Sheet	XEC3031
57	Screw	See Contrast table(2)
NSP 58	N Label 512/MY	See Contrast table(2)
59	Spacer R5(Rub)	XEB3029
60	Screw	BBT30P100FCC

(2) CONTRAST TABLE

VSX-D512-S/MVXJI, /MYXJIEW, /MYXJIFG and VSX-D512-K/MYXJIEW are constructed the same except for the following :

	Mark	NO	Symbol and Description	VSX-D512-K/	VSX-D512-S/	VSX-D512-S/	VSX-D512-S/
				MYXJIEW	MVXJI	MYXJIEW	MYXJIFG
	>	23	AC Power Cord	VDG1077	VDG1076	VDG1077	VDG1077
		35	Top Cover	XME3004	XME3006	XME3006	XME3006
		41	Bonnet	XZN3111	XZN3122	XZN3122	XZN3122
		42	Push Rivet	AEC7025	XEC3026	XEC3026	XEC3026
		57	Screw	FBT40P080FZK	FBT40P080FNI	FBT40P080FNI	FBT40P080FNI
	NSP	58	N Label 512	Not used	XAL3150	XAL3150	XAL3150

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B

C

D

E

F

1

2

3

4

2.3 FRONT PANEL SECTION

A
	16	16
		5	Y
	19		16
		13
B		10	2 Q
			17
			3	U	1 O	16
							16
	6		16				16
		8						16
								15
	9			16			16	16
C
	18					16	16	16
								4 P
	7
D			11
			20
	14
		12
E
F
10			VSX-D512-K
1		2			3			4

5 6 7 8

FRONT PANEL SECTION parts List

Mark No.	Description	Part No.	Mark No.	Description	Part No.
1	FRONT ASSY	XWZ3493	11	Select Knob	See Contrast table(2)
2	POWER SW ASSY	XWZ3510	12	Volume Knob	See Contrast table(2)
3	H.P. ASSY	XWZ3513	13	Power Button	See Contrast table(2)
4	R. ENCODER ASSY	XWZ3511	14	Sub Panel	See Contrast table(2)
5	MECH SW ASSY	XWZ3514	15	Jog Button	See Contrast table(2)
6	Front Panel	See Contrast table(2)	16	Screw	PPZ30P080FMC
7	Sub Button	See Contrast table(2)	17	Screw	BBZ30P080FMC
8	Earth Plate R5 HP	XNG3066	18	D Panel R5 W	XAK3320
9	Pioneer Badge	See Contrast table(2)	19	Power Button M	See Contrast table(2)
10	LED Lens 1.6	XAK3308	20	C Ring DIA8.1	XBH3016

(2) CONTRAST TABLE

VSX-D512-S/MVXJI, /MYXJIEW, /MYXJIFG and VSX-D512-K/MYXJIEW are constructed the same except for the following :

	Mark	NO	Symbol and Description	VSX-D512-K/	VSX-D512-S/	VSX-D512-S/	VSX-D512-S/
				MYXJIEW	MVXJI	MYXJIEW	MYXJIGR
		6	Front Panel	XMB3113	XMB3114	XMB3114	XMB3114
		7	Sub Button	XAD3125	XAD3133	XAD3133	XAD3133
		9	Pioneer Badge	XAM3006	VAM1129	VAM1129	VAM1129
		11	Select Knob	XAB3023	XAB3024	XAB3024	XAB3024
		12	Volume Knob	XAB3025	XAB3026	XAB3026	XAB3026
		13	Power Button	XAD3123	XAD3129	XAD3129	XAD3129
		14	Sub Panel	XAK3273	XAK3385	XAK3385	XAK3385
		15	Jog Button	XAD3124	XAD3131	XAD3131	XAD3131
		19	Power Button M	XAD3127	XAD3137	XAD3137	XAD3137

A

B

C

D

E

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1

2

3

4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

X	CN201		K	CN101								A D.D & INPUT ASSY
	AXQ7232	7		10		IC101
						TC9273F-007
					7	(FUNCTION SEL)
					5				IC104
								12
					4				3	1								3
					3
					2						IC9201							4	5
											3	1 NJM2100M
B					8													IC102
				1
									IC9101 AK4586			NJM4558MD			NJM4558MD			NJU7312AM
									32	(CODEC)
				CN107							30	(LPF)			(6dB AMP)
																		(EXP/DSP)
					9						28	IC9701				IC9704
												2	1	(FL/FR)		2	1
									(ADC)	(DAC)	26
											27
							10	11		11-13								6
														(SL/SR)
										39-40		IC9702				IC9705
												2	1	IC9601		2	1	8	9
										IC9501				NJU7313
														AM
									(DIR)	CRYSTAL
														(SP				7
										DSP
					2				10			IC9703
										22 (for DECODE)					config)
						IC1901						3	1		(C)
					1	5	6	2
									43
					15	CN1901		CN9101				IC9703						21
C								IC9508		IC9502		5	7		(SW)				19
								BS62LV
										TC74								20
								1024TC-70		VHC574F
								(RAM for
										IC9503
					13				AAC)
										TC74
								IC9504
					1					VHC574F
							J	PDN030A		(8 16bit)
								(ROM for
								DECODE)
					DIGITAL IN ASSY
				3	IC303	CN307		CN104
					1
						3		7
				M														11
					IC302														12
				5		9		1										10
					7
D					IC302
				3		5		5
					1

6CH IN ASSY

E

F

12		VSX-D512-K
1	2		3	4

5

6

7

8

A

CN1551

6

14.1/24.1

14.7/27.3

13.8

Q1552

U

17

CN702

6

IC105

uPC2570

(PRE AMP)

CN601

IC601

RY751

4

22

31

5

7

9

15

15

CN106

Q603

B

B

H

IC103

AMP & PRIMARY ASSY

Q601

9

IC106

IC602

RY753

34

5

7

8

5

24

26

ASSY

INPUT

Q653

11

C

33

AMP

IC107

Q651

IC601

RY752

3

1

1

11

26

24

Q632

6

36

Q631

D

5

7

14

1

IC107

CN101

CN302

E

L

VIDEO ASSY

E

Q303

Q112

9

L

+BVH

5

Y

-BVH

MECHA SW

7

B

NECK+B

A CN101

ASSY

NECK-B

Q701

D701

U+5V

6

3

IC301

POWER AMP

Q702

IC51

(CONPONENT SEL)

IC601, IC602

+BVL

D702

D51-D54

T51

RY51

-BVL

FL AC

AC IN

11

O CN402

T+12V

FL AC

T1

B

IC805

+12V

POWER

IC801

D801–D804

A CN101 -12V

TRANSFORMER

1

F

IC802

D721–D724

D+5V

IC803

A CN101 A+5V

IC804

E

VSX-D512-K

7

13

5

6

8

1

2

3

4

3.2 OVERALL WIRING CONNECTION DIAGRAM

A

R.ENCODER
ASSY	P
(XWZ3511)		O	FRONT ASSY
			(XWZ3493)

B

H

AMP INPUT ASSY (XWZ3547)

C
F	D.D &
	INPUT
HASHIGETA	ASSY
	(XWX3044)
ASSY
	A
(XWZ3566)
D
KAWA	K
ASSY
(XWZ3529)	A 1/4,
	A 2/4,
	A 3/4,
E	A 4/4
	REGULATOR
	ASSY	VIDEO
	(XWZ3544)	ASSY
X		E (XWZ3490)
		L
FM/AM TUNER		M
MODULE
(AXQ7232)
F		6CH IN ASSY
		(XWZ3507)
14	VSX-D512-K
1	2	3	4

5

6

7

8

A

Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".

	Q	POWER SW ASSY
		(XWZ3510)
	Y
U	MECHA SW ASSY
	(XWZ3514)
H.P. ASSY
(XWZ3513)		B

D

TRANS3 ASSY (XWZ3560)

C

J6 J7

J3(J8)

(ATS7259)

	TRANS2	TRANS1
	ASSY	ASSY
B	(XWZ3555)	(XWZ3552)
		I
B 1/2,	C		D
B 2/2		J2	J1

	AMP&	J4
	PRIMARY	J5
	ASSY
	(XWZ3533)

FU1 : REK1026(T2.5A/250V)

E

J
DIGITAL IN			F
ASSY
(XWZ3747)			VDG1076 : /MVXJI
			VDG1077 : /MYXJI
	VSX-D512-K	7	15
5	6		8

1	2	3	4
3.3 D.D & INPUT(1/4) ASSY
A
		A 1/4 D.D & INPUT ASSY
		(XWX3044)	A 2/4
B
C
D
E
F
1/4		E CN802
A
16		VSX-D512-K
1	2	3	4

5

6

7

8

A

A 4/4	M CN307
	: The power supply is shown with the marked box.
	A 4/4
		A 2/4,4/4	CN402
	A 4/4	A 2/4,3/4,4/4
			O

B

C

A 2/4

D

E

A 2/4	A 2/4 , A 3/4	F CN1002

F

A 1/4

		VSX-D512-K			7	17
5	6					8

1

2

3

4

3.4 D.D & INPUT(2/4) ASSY

A

A 1/4

J CN1901

B

A 1/4

C
	A 3/4
D
E	A 1/4
	A 3/4

A 1/4

A 4/4

F

A 2/4 D.D & INPUT ASSY (XWX3044)

A2/4

18		VSX-D512-K
1	2		3	4

5

6

7

8

A

A 1/4

A 1/4

A 1/4

H CN254

B

C

D

A 1/4

A 1/4

E

F

A 2/4

		VSX-D512-K			7	19
5	6					8

1	2	3	4
3.5 D.D & INPUT(3/4) ASSY
A
B
C
D
E
			A 1/4

F

A3/4

20		VSX-D512-K
1	2		3	4

5

6

7

8

A

A 2/4

B

C

A 1/4	D

E

A	3/4 D.D & INPUT ASSY	A	2/4
	(XWX3044)

F

A 3/4

		VSX-D512-K			7	21
5	6					8

1

2

3

4

3.6 D.D & INPUT(4/4) ASSY

A

A 2/4

B

C

D

E

F

A4/4

22

1

A 1/4	A 4/4 D.D & INPUT ASSY
	(XWX3044)

A 1/4

A 1/4

A 1/4

VSX-D512-K

2

3

4

5

6

7

8

A

A 1/4

B

C

D

E

F

A 4/4

		VSX-D512-K			7	23
5	6					8