Pioneer VSX-43-TX, VSX-45-TX Service manual
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 2002
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
STANDBY/ON
STANDBY
MOVIE MUSIC
ENTER STEREO/DIRECT MULTI CH IN
MULTI JOG
MULTI JOG CONTROL
SIGNAL
SB CH
HI-BIT
SET UP RETURN
SELECT
MODE
HI-SAMPLING
TONE CONTROL
PHONES
TONE
BASS/TREBLE
SPEAKERS
MULTI CHANNNEL
ACOUSTIC CALIBRATION
STATION TUNING
TUNER
CLASSBAND
EDIT
SELECT
MULTI JOG/ENTER
SETUP
MIC
DIGITAL IN
S-VIDEO VIDEO
VIDEO INPUT
MULTI ROOM
& SOURCE
CONTROL ON/OFF
AUDIOLR
VSX-45TX
ACOUSTIC EQ
MASTER VOLUME
VSX-45TX
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-45TX
VSX-43TX
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model Type Power Requirement Remarks
VSX-45TX KUXJI/CA AC120V
VSX-43TX KUXJI/CA AC120V
ORDER NO.
RRV2635
For details, refer to "Important symbols for good services" .
T-ZZK JULY 2002 printed in Japan
1234
SAFTY 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
B
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to
cause 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)
C
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.
(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
D
E
current tester such 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 60 Hz outlet and turn the AC power switch on. Any
current measured must not exceed 0.5 mA.
Reading should
not be above
0.5 mA
Earth
ground
Device
under
test
Also test with
plug reversed
(Using AC adapter
plug as required)
Test all
exposed metal
surfaces
Leakage
current
tester
AC Leakage Test
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 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.
on the schematics and
F
2
1234
VSX-45TX
5678
[ 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.
A
B
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.
C
D
56
VSX-45TX
E
F
7
8
3
1234
CONTENTS
SAFTY INFORMATION ....................................................................................................................................... 2
A
B
C
D
E
F
1. SPECIFICATIONS ............................................................................................................................................5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 REAR PANEL SECTION.......................................................................................................................... 10
2.4 HEAT SINK SECTION.............................................................................................................................. 12
2.5 FRONT PANEL SECTION ....................................................................................................................... 14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM..........................................................................................16
3.1 AUDIO BLOCK DIAGRAM....................................................................................................................... 16
3.2 DSP BLOCK DIAGRAM........................................................................................................................... 18
3.3 VIDEO AND POWER AMP BLOCK DIAGRAM ....................................................................................... 20
3.4 OVERALL WIRING DIAGRAM................................................................................................................. 22
3.5 FM/AM TUNER MODULE........................................................................................................................ 24
3.6 7.1CH I/O, V-AUDIO IN, FRONT IN and OPTICAL IN ASSYS ................................................................ 26
3.7 INPUT CONNECT and COAXIAL IN ASSYS ..........................................................................................28
3.8 VIDEO ASSY ........................................................................................................................................... 30
3.9 COMPONENT and RS232C ASSYS ....................................................................................................... 32
3.10 MAIN CONTROL ASSY (1/3)................................................................................................................. 34
3.11 MAIN CONTROL ASSY (2/3)................................................................................................................. 36
3.12 MAIN CONTROL ASSY (3/3)................................................................................................................. 38
3.13 MIC & F.OPT IN, MIC AMP and DSP CONNECTION ASSYS .............................................................. 40
3.14 POWER AMP IN, FAN DRIVE and FAN CONNECTION ASSYS .......................................................... 42
3.15 DSP ASSY (1/2)..................................................................................................................................... 44
3.16 DSP ASSY (2/2)..................................................................................................................................... 46
3.17 DISPLAY ASSY...................................................................................................................................... 48
3.18 VOLUME, MULTI JOG and HEADPHONE ASSYS................................................................................ 50
3.19 REGULATOR ASSY............................................................................................................................... 52
3.20 POWER AMP-L ASSY........................................................................................................................... 54
3.21 POWER AMP-R and POWER AMP-C ASSYS...................................................................................... 56
3.22 SP/PS, DIODE, TRANS 2-1 and VH TR ASSYS....................................................................................58
3.23 TRANS 2-2, TRANS 1 and PRIMARY ASSYS.......................................................................................60
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 62
4.1 FM/AM TUNER MODULE........................................................................................................................ 63
4.2 7.1CH I/O ASSY ...................................................................................................................................... 64
4.3 V-AUDIO IN ASSY.................................................................................................................................... 65
4.4 FRONT IN, OPTICAL IN and INPUT CONNECT ASSYS........................................................................ 66
4.5 COAXIAL IN ASSY ..................................................................................................................................68
4.6 VIDEO ASSY ........................................................................................................................................... 69
4.7 MAIN CONTROL and RS232C ASSYS................................................................................................... 70
4.8 MIC & F. OPT IN, MIC AMP and DSP CONNECTION ASSYS ............................................................... 74
4.9 POWER AMP IN ASSY............................................................................................................................ 76
4.10 FAN DRIVE and FAN CONNECTION ASSYS ....................................................................................... 77
4.11 DSP ASSY ............................................................................................................................................. 78
4.12 DISPLAY, VOLUME, MULTI JOG and HEADPHONE ASSYS ............................................................... 80
4.13 REGULATOR and COMPONENT ASSYS............................................................................................. 84
4.14 POWER AMP L and POWER AMP C ASSYS....................................................................................... 88
4.15 POWER AMP R ASSY........................................................................................................................... 92
4.16 SP/PS ASSY.......................................................................................................................................... 96
4.17 DIODE, TRANS 2-1 and VH TR ASSYS ................................................................................................ 98
4.18 TRANS 2-1, TRANS 1 and PRIMARY ASSYS..................................................................................... 100
5. PCB PARTS LIST .........................................................................................................................................102
6. ADJUSTMENT ............................................................................................................................................. 115
7. GENERAL INFORMATION........................................................................................................................... 116
7.1 DIAGNOSIS ........................................................................................................................................... 116
7.1.1 PROTECTION CIRCUIT CONTROL SPECIFICATION ...................................................................... 116
7.1.2 DIAGNOSTICS OF AMPLIFIER SECTION ........................................................................................ 118
7.1.3 TROUBLE SHOOTING ....................................................................................................................... 119
7.1.4 DISASSEMBLY ...................................................................................................................................124
7.2 PARTS.................................................................................................................................................... 127
7.2.1 IC ........................................................................................................................................................ 127
7.2.2 DISPLAY ............................................................................................................................................. 141
7.3 CLEANING............................................................................................................................................. 143
8. PANEL FACILITIES ...................................................................................................................................... 145
4
1234
VSX-45TX
Amplifier Section
Continuous average power output of 100 watts∗ per
channel, min., at 8 ohms, from 20 Hz to 20,000 Hz with
no more than 0.09 %∗∗ total harmonic distortion (front).
Continuous Power Output
Front...........100 W +100 W (20 Hz − 20 kHz, 0.09 %, 8 Ω)
Center.........100 W +100 W (20 Hz − 20 kHz, 0.09 %, 8 Ω)
Surround.....100 W +100 W (20 Hz − 20 kHz, 0.09 %, 8 Ω)
Surround Back
...........100 W +100 W (20 Hz − 20 kHz, 0.09 %, 8 Ω)
Input (Sensitivity/Impedance)
PHONO MM (VSX-45TX).........................4.7 mV/47 kΩ
VCR 1/DVR, VCR 2, DVD/LD, TV/SAT, VIDEO, CD,
CD-R/TAPE 1, MD/TAPE 2.....................335 mV/47 kΩ
Frequency Response
PHONO MM (VSX-45TX).......20 Hz to 20,000 Hz ± 0.3 dB
VCR 1/DVR, VCR 2, DVD/LD, TV/SAT, VIDEO, CD,
CD-R/TAPE 1, MD/TAPE 2.........5 Hz to 100,000 Hz dB
Output (Level/Impedance)
VCR 1/DVR REC, VCR 2 REC, CD-R/TAPE 1,
MD/TAPE 2 REC........................................335 mV/2.2 kΩ
Tone Control
BASS......................................................... ± 6 dB (100 Hz)
TREBLE..................................................... ± 6 dB (10 kHz)
LOUDNESS................................+4/+2 dB (100Hz/10 kHz)
(at volume position -40dB)
Signal-to-Noise Ratio (IHF, short circuited, A network)
VCR 1/DVR, VCR 2, DVD/LD, TV/SAT, VIDEO, CD,
CD-R/TAPE 1, MD/TAPE 2, MULTI CH IN..............101 dB
Signal-to-Noise Ratio [EIA, at 1 W (1 kHz)]
VCR 1/DVR, VCR 2, DVD/LD, TV/SAT, VIDEO, CD,
CD-R/TAPE 1, MD/TAPE 2........................................83 dB
∗ Measured pursuant to the Federal Trade Commission's
Trade Regulation rule on Power Output Claims for
Amplifiers.
∗∗ Measured by Audio Spectrum Analyzer.
VIDEO Section (S jack)
Input (Sensitivity/Impedance)
VCR 1/DVR, VCR 2, VIDEO, DVD/LD, TV/SAT
Luminance signal (Y)..................................1 Vp-p/75 Ω
Chrominance signal (C).......................0.286 Vp-p/75 Ω
Output (Level/Impedance)
VCR 1/DVR, VCR 2, MONITOR OUT
Luminance signal (Y)..................................1 Vp-p/75 Ω
Chrominance signal (C).......................0.286 Vp-p/75 Ω
Frequency Response
VCR 1/DVR, VCR 2, VIDEO, DVD/LD, TV/SAT
Luminance signal (Y)....................5 Hz to 10 MHz dB
Signal-to-Noise Ratio
Luminance signal (Y)............................................65 dB
Component Video Section
Input (Sensitivity)
Y.......................................................................1 Vp-p/75 Ω
P
B/PR..................................................................0.7 V/75 Ω
Output (Level/Impedance)
Y.......................................................................1 Vp-p/75 Ω
P
B/PR..................................................................0.7 V/75 Ω
Frequency Response
Y.........................................................5 Hz to 40 MHz dB
P
B/PR..................................................5 Hz to 40 MHz dB
VIDEO Section (Composite)
Input (Sensitivity/Impedance)
VCR 1/DVR, VCR 2, VIDEO, DVD/LD,
TV/SAT.............................................................1 Vp-p/75 Ω
Output (Level/Impedance)
VCR 1/DVR, VCR 2, MONITOR OUT,
MONITOR OUT2..............................................1 Vp-p/75 Ω
Frequency Response
VCR 1/DVR, VCR 2, TV/SAT, DVD/LD
VIDEO→MONITOR OUT,..................5 Hz to 10 MHz dB
Signal-to-Noise Ratio..................................................65 dB
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 dBf
Stereo: 38.6 dBf
Signal-to-Noise Ratio.......................Mono: 73 dB (at 85 dBf)
Stereo: 70 dB (at 85 dBf)
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..............................................75 Ω unbalanced
AM Tuner Section
Frequency Range................................530 kHz to 1,700 kHz
Sensitivity (IHF, Loop antenna)..............................350 µV/m
Selectivity......................................................................25 dB
Signal-to-Noise Ratio....................................................50 dB
Antenna............................................................Loop antenna
Miscellaneous
Power Requirements...................................AC 120 V, 60 Hz
Power Consumption....................................................600 W
Power Consumption in Standby mode (VSX-45TX).....0.8 W
Power Consumption in Standby mode (VSX-43TX).....0.6 W
AC Outlet SWITCHED.............................100 W (0.8 A) MAX
Dimensions.........................420 (W) × 188 (H) × 464 (D) mm
(16-9/16 (W) × 7-7/16 (H) × 18-5/16 (D) in.)
Weight (without package) (VSX-45TX)...18.8 kg (41 lb 8 oz)
Weight (without package) (VSX-43TX)...17.3 kg (38 lb 3 oz)
Furnished Parts
FM wire Antenna..................................................................1
AM loop Antenna..................................................................1
"AA" IEC LR6 batteries.........................................................4
Remote Control Unit ............................................................1
Microphone for Auto Surround Sound Setup.......................1
Microphone Stand for Auto Surround Sound Setup.............1
Operating Instructions..........................................................1
+0
−3
+0
−3
+0
−3
+0
−3
+0
−3
Lucasfilm and THX are trademarks or registered trademarks of
Lucasfilm, Ltd. & TM. Surround EX is a jointly developed
technology of THX and Dolby Laboratories, and is a trademark of
Dolby Laboratories. All rights reserved. Used under authorization.
Manufactured under license from Dolby Laboratories. “Dolby”, “Pro
Logic”, “Surround EX” and double-D symbol are trademarks of
Dolby Laboratories.
"DTS", "DTS-ES Extended Surround" and "Neo:6" are trademarks
of Digital Theater Systems, Inc.
5678
1. SPECIFICATIONS
A
56
VSX-45TX
7
B
C
D
E
F
5
8
1234
2. EXPLODED VIEWS AND PARTS LIST
NOTES:
A
2.1 PACKING
B
C
Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
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.)
VSX-45TX Only
1
2
3
4
5
6
7
8
9
10
VSX-45TX Only
11
12
14
13
15
16
Accessories
AUDIO/VIDEO MULTI-CHANNEL
D
AM Loop Antenna
(ATB7009)
SETUP
S0URCEÎTV
SYSTEM RECEIVER
OFF
VCR1/
DVD/LD TV/SAT TV CONT
DVR
MULTI CONTROL
1
5
9
MPX
¶
–
–
–
MODE
MD/
TAPE2
LOUDNESS TONE
2
DNR
BASS/TREBLE
6
0
DIRECT ACCESS SEARCH MODE
ENTER
DTV ON/OFF DISP MODE
8
BAND
3
DTV MENU CLASS
7
TV INPUT
TV CONTROL
TV CH
MUSIC
SURROUND
ENTER
TUNER
INPUT
MIDNIGHT
MULTI CH
ACOUSTIC
INPUT
SB CH
MODE
3
7
EQ
+
10
MULTI
OPERATION
RECEIVER
EFFECT/CH SEL
4
+
8
–
DISC
ENTER
GUIDE
TOP MENU
EXIT
RETURN
SUB TITLE
+
TUNING
¡
+
STATION
¢
CHANNEL
+
MUTE
REMOTE
SETUP
VCR2 VIDEO CD
CD-R/
E
TAPE1
DIMMER
SIGNAL SEL
VIDEO SEL HI-BIT
SYSTEM SETUP
MENU
TUNER EDIT TRACK
AUDIO
TUNING
1
STATION
4
CHANNEL
TV VOL VOLUME
MOVIE
STEREO/
DIRECT
F
Remote Control Unit
(VSX-45TX : AXD7325)
FM Wire Antenna
(ADH7004)
RECEIVER
SOURCE
MULTI
SYSTEM
OPERATION
OFF
MULTI CONTROL
DVD/LD
VCR/DVR TV CONT
TV/SAT
VCR 2
CD
TUNER
RECEIVER
ACOUSTIC
MOVIE MUSIC
INPUT
EQ
SURROUND
MULTI CH
SB CH
INPUT
MODE
MODE
STEREO/
ENTER
MIDNIGHT
DIRECT
MUTE
MASTER
VOLUME
MENU TOP MENU
TUNER EDIT
TUNE
ST
ENTER
TUNE
−
DTV ON/OFF BAND
D.ACCESS
LOUDNESS EFFECT/CH SEL
DIMMER TONE
SIGNAL SEL
DNR
VIDEO SEL
HI-BIT
TV CONTROL
T
U
P
IN
CHANNEL VOLUME
T
C
E
L
E
S
RECEIVER
ST
CHANNEL
MPX
ENTER
BASS/TREBLE DISC
+
−
SUB TITLE
REMOTE
GUIDE
RETURN
+
CLASS
+
10
SETUP
SYSTEM
SETUP
AUDIO
CHANNEL
Remote Control Unit
(VSX-43TX : AXD7328)
Dry Cell Battery
(LR6, AA)
VSX-45TX Only
Microphone for Auto
Surround Sound Setup
(APM7004)
VSX-45TX Only
Microphone Stand for Auto
Surround Sound Setup
(AEB7269)
RECEIVER
VSX-45TX
Operating Instructions
Operating Instructions
(VSX-45TX : ARB7257)
(VSX-43TX : ARB7261)
6
VSX-45TX
1234
5678
PACKING parts List
Mark No. Description Part No.
1 MIC Assy See Contrast table (2)
2 MIC Stand 45 See Contrast table (2)
3 FM Wire Antenna ADH7004
4 AM Loop Antenna ATB7009
5 Caution Sheet SP,E ARM7056
Mark
No. Description Part No.
10 Battery Cover See Contrast table (2)
NSP 11 Alkaline Dry Cell Battery See Contrast table (2)
(LR6, AA)
NSP 12 Alkaline Dry Cell Battery VEM1021
(LR6, AA)
A
NSP 6 Warranty Card EL ARY7007
7 Operating Instructions (English) See Contrast table (2)
NSP 8 Polyetylene Bag Z21-038
(0.03*230*340)
9 Remote Control Unit See Contrast table (2)
13 Front Pad 45 AHA7374
14 Rear Pad 45 AHA7375
15 Packing Sheet RHC1023
16 Packing Case See Contrast table (2)
(2) CONTRAST TABLE
VSX-45TX/KUXJI/CA and VSX-43TX/KUXJI/CA are constructed the same except for the following:
Mark NO Symbol and Description
1 MIC Assy APM7004 Not used
2 MIC Stand 45 AEB7269 Not used
7 Operating Instructions (English) ARB7257 ARB7261
9 Remote Control Unit 45/KU AXD7325 Not used
9 Remote Control Unit 43/KU Not used AXD7328
10 Battery Cover AZN7896 AZN7424
NSP 11 Alkaline Dry Cell Battery (LR6, AA) VEM1021 Not used
16 Packing Case 45KU AHD8060 Not used
16 Packing Case 43KU Not used AHD8061
VSX-45TX/KUXJI/CAVSX-43TX/KUXJI/
CA
B
C
D
E
F
56
VSX-45TX
7
8
7
1234
2.2 EXTERIOR SECTION
A
19
52
23
52
B
AF
C
8
31
AE
56
33
7
AC
6
E
N
32
58
N
L
O
P
Q
56
M
52
29
28
Q
5
P
52
23
F
52
4
24
26
Q
52
22
52
52
20
O
52
P
1
AG
D
3
AB
52
25
52
21
51
R
52
M
18
51
16
Refer to
"2.3 REAR PANEL
SECTION."
AA
2
52
52
35
14
36
52
17
16
R
52
52
52
51
52
51
15
52
51
52
15
51
52
53
52
52
37
I
K
52
52
H
52
J
30
VSX-43TX
D
E
F
ONLY
29
42
43
57
52
46
52
52
47
52
Refer to "2.5 FRONT PANEL SECTION."
D
52
52
29
52
27
9
AD
52
52
59
57
52
41
52
52
44
A
B
C
52
48
52
52
45
L
52
Refer to
"2.4 HEAT SINK
SECTION."
26
52
38
34
38
34
54
M
52
38
52
53
E
52
49
52
48
52
K
38
26
52
11
F
B
54
13
W
VSX-45TX
ONLY
A
38
C
39
H
38
54
50
R
10
J
52
G
55
52
G
N
12
NON-CONTACT
SIDE
55
I
40
VSX-45TX
ONLY
CONTACT SIDE
8
1234
VSX-45TX
>
>
>
5678
EXTERIOR SECTION parts List
Mark No. Description Part No.
1 PRIMARY Assy AWX7968
2 SP/PS Assy See Contrast table (2)
3 DIODE Assy See Contrast table (2)
4 FAN CONNECTION Assy AWX8005
5 FAN DRIVE Assy AWX7976
Mark
No. Description Part No.
31 T1 Power Transformer ATS7328
32 FU4,FU5 Fuse (3A) REK1113
NSP 33 Trans Label 45 AAX7957
34 PCB Mold AMR2534
35 Bridge Frame 45F ANG7409
A
6 TRANS 2-1 Assy AWX7979
7 TRANS 2-2 Assy AWX7970
8 TRANS 1 Assy AWX7969
9 VH TR Assy AWX8018
10 DSP ASSY AWX8016
11 MIC AMP Assy See Contrast table (2)
12 DSP CONNECTION Assy AWX8024
13 REGULATOR Assy AWX7967
14 Bonnet Case 45B AZN7897
15 Spacer 45A AEB7263
16 Spacer 45B AEB7264
17 Label (DD/DTS/THX) ARW7177
18 Label (FCC/DOC) ARW7191
19 Barrier 45 AEC7444
20 Left Beam 45 ANG7401
21 FU1 Fuse (10A) VEK1029
22 Primary Angle 35 ANG7301
NSP 23 Binder ZCA-BK1
NSP 24 Mini Clamp VEC1597
25 Fan Box 45 ANG7413
26 Locking Card Spacer PNW2917
27 Trans Shield 45 ANG7400
28 Styling Sheet B AEC7437
29 Push Rivet AEC7370
30 Trans Frame 45 ANG7399
36 Bridge Frame 45R ANG7410
37 J7 21P FFC/60V ADD7355
38 Card Spacer DNK2769
NSP 39 Wire Clip (A) See Contrast table (2)
40 DSP Shield 45B ANG7403
NSP 41 Under Base See Contrast table (2)
42 Screw Cover 45A See Contrast table (2)
NSP 43 Wire Saddle DEC1450
44 Styling Sheet AEC7413
45 Stabilizer 45 See Contrast table (2)
NSP 46 Panel Stay 45 AND7047
NSP 47 Energy Star Label AAX7876
48 Insulator PNW2766
49 Bottom Plate 45 See Contrast table (2)
50 DSP Shield 45A ANG7402
51 Screw BBZ40P080FZK
52 Screw BBZ30P080FZK
53 Screw BBZ30P100FCC
54 Screw IBZ30P150FCC
55 Screw BBT30P080FCC
56 Screw ABA7066
57 Screw ABA7009
58 UL Tube ADN7007
59 Screw Cover
See "2.5 FRONT PANEL SECTION" No. 19-3
B
C
D
(2) CONTRAST TABLE
VSX-45TX/KUXJI/CA and VSX-43TX/KUXJI/CA are constructed the same except for the following:
Mark NO Symbol and Description
2 SP/PS Assy AWX7975 AWX8037
3 DIODE Assy AWX8017 AWX8038
11 MIC AMP Assy AWX8004 Not used
NSP 39 Wire Clip (A) VEC1355 Not used
NSP 41 Under Base 45 ANA7138 Not used
NSP 41 Under Base 43 Not used ANA7144
42 Screw Cover 45A Not used AEC7414
45 Stabilizer 45 ANG7408 Not used
49 Bottom Plate 45 ANF7031 Not used
56
VSX-45TX/KUXJI/CAVSX-43TX/KUXJI/
VSX-45TX
CA
7
E
F
9
8
1234
2.3 REAR PANEL SECTION
A
13
12
21
11
B
VSX-45TX
ONLY
18
I
2
1
3
21
B
21
22
21
21(VSX-45TX ONLY)
14
21
23(VSX-45TX ONLY)
15
24
21
21
16
(VSX-45TX
ONLY)
21
J
4
C
For Exterior
Sction
H
C
5
8
A
21
25
(VSX-45TX
ONLY)
6
F
17
For Exterior Sction
D
For Heat Sink Sction
7
K
For Front Sction
For Exterior Sction
E
E
9
19
G
10
For Exterior Sction
20
For Exterior Sction
NON-CONTACT
SIDE
CONTACT SIDE
F
10
1234
VSX-45TX
>
5678
REAR PANEL SECTION parts List
Mark
Mark No. Description Part No.
1 RS232C Assy See Contrast table (2)
2 COMPONENT Assy See Contrast table (2)
3 7.1CH I/O Assy AWX7973
4 VIDEO Assy See Contrast table (2)
5 V-AUDIO IN Assy See Contrast table (2)
6 INPUT CONNECT Assy See Contrast table (2)
7 MAIN CONTROL Assy See Contrast table (2)
8 FM/AM TUNER Module AXQ7231
9 OPTICAL IN Assy AWX7978
10 COAXIAL IN Assy See Contrast table (2)
11 Rear Panel See Contrast table (2)
12 Cord Stopper CM-22C
13 AC Power Cord VDG1075
No. Description Part No.
14 Speaker Sheet AAK8016
15 Cushion Circle 16B AED7052
16 Screw with Terminal See Contrast table (2)
17 J8 13P FFC/60V ADD7356
18 J1902 Connector Assy (8P) See Contrast table (2)
19 J5 9P FFC/60V ADD7353
20 J6 20P FFC/60V ADD7354
21 Screw BBZ30P080FZK
22 Screw BBZ30P100FCC
23 Screw See Contrast table (2)
24 Screw VPZ30P080FZK
25 Screw See Contrast table (2)
(2) CONTRAST TABLE
VSX-45TX/KUXJI/CA and VSX-43TX/KUXJI/CA are constructed the same except for the following:
Mark NO Symbol and Description
1 RS232C Assy AWX7966 Not used
2 COMPONENT Assy AWX7963 AWX8021
4 VIDEO Assy AWX7962 AWX8002
5 V-AUDIO IN Assy AWX7964 AWX7991
6 INPUT CONNECT Assy AWX7974 AWX8041
VSX-45TX/KUXJI/CAVSX-43TX/KUXJI/
CA
A
B
C
7 MAIN CONTROL Assy AWX7961 AWX8000
10 COAXIAL IN Assy AWX7965 AWX8013
11 Rear Panel 45KU ANC8063 Not used
11 Rear Panel 43KU Not used ANC8086
16 Screw with Terminal AKE-031 Not used
18 J1902 Connector Assy (8P) ADE7085 Not used
23 Screw ABA7078 Not used
25 Screw PMZ30P060FCC Not used
D
E
56
VSX-45TX
F
7
8
11
1234
2.4 HEAT SINK SECTION
A
18
14
5
14
B
6
C
O
4
B
C
16
15
7
9
10
14
15
A
6
15
X
1
15
15
17
15
15
15
15
A
C
7
Y
15
8
3
15
15
15
15
6
6
15
15
B
17
13
9
Z
2
15
6
6
14
5
For Rear Panel Sction
11
D
E
16
12
14
NON-CONTACT
SIDE
CONTACT SIDE
F
12
1234
VSX-45TX
>
>
5678
HEAT SINK SECTION parts List
Mark No. Description Part No.
1 POWER AMP-L Assy AWX7984
2 POWER AMP-C Assy AWX7986
3 POWER AMP-R Assy AWX7985
4 POWER AMP IN Assy AWX7982
NSP 5 Heat Sink 45 ANH7152
6 PCB Angle 45 ANG7406
7 Mica Sheet 45 AEE7047
NSP 8 Speed Clamp AEC7445
9 H.S Angle 45 ANG7404
10 Fan Holder 80 ANG7407
A
11 Fan Motor AXM7023
12 J14 24P FFC/60V ADD7357
NSP 13 Wire Saddle DEC1450
14 Screw BBZ30P100FCC
15 Screw BBZ30P080FZK
16 Screw BBZ30P300FMC
17 Screw ABA7085
18 TH1 Thermistor AEX7004
B
C
D
56
VSX-45TX
E
F
7
8
13
1234
2.5 FRONT PANEL SECTION
A
37
12
8
11
13
B
38
C
26
22
25
24
21
15
10
3
33
C
30
C
VSX-45TX
ONLY
16
S
37
19-2
37
37
37
VSX-45TX
ONLY
37
36
37
28
37
5
T
C
29
9
34
VSX-45TX
V
31
37
ONLY
L
2
C
4
B
32
A
35
39
6
D
37
7
39
18 (VSX-45TX ONLY)
CUT (VSX-43TX ONLY)
19-1
A
38
20
23
14
16
17
20
21
U
1
B
D
37
E
F
22
NON-CONTACT
SIDE
CONTACT SIDE
14
1234
VSX-45TX
5678
FRONT PANEL SECTION parts List
Mark No. Description Part No.
1 MULTI JOG Assy AWX7972
2 MIC & F.OPT IN Assy See Contrast table (2)
3 DISPLAY Assy See Contrast table (2)
4 HEADPHONE Assy AWX7980
5 VOLUME Assy AWX7971
6 FRONT IN Assy AWX7977
7 STYLING Assy • • • • •
8 Door 45 ANB7277
9 Spacer 45A AEB7263
10 Door Stay 45B AAH7089
11 Door Shaft 35 AMR7295
12 Damper Assy (200) AXA7088
13 Door Hinge L 45B AMR7386
14 Door Hinge R 45B AMR7387
NSP 15 Earth Lead Wire ADH7022
16 Earth Plate B ANG7412
17 Magnet 35 AMF7007
18 FL Sheet 45R See Contrast table (2)
19-1 Panel Base 45B AMB7803
19-2 Magnet Holder
19-3 Screw Cover
20 Cushion Circle 6B AED7044
Mark
No. Description Part No.
21 Nut NK90FUC
22 Rotary Knob L BK AAA7018
23 D.Sheet See Contrast table (2)
24 Window See Contrast table (2)
25 Pionner Badge B PAN1376
26 F.Panel See Contrast table (2)
27 • • • • •
28 J4 7P FFC/60V ADD7352
29 J1 32P FFC/60V ADD7349
30 Earth Plate A ANG7411
NSP 31 Speed Clamp AEC7445
32 J1901 Connector Assy (3P) See Contrast table (2)
33 J15 3P FFC/60V ADD7371
34 J2 11P FFC/60V ADD7350
35 J3 4P FFC/60V See Contrast table (2)
NSP 36 Wire Clip (A) See Contrast table (2)
37 Screw BPZ30P100FMC
38 Screw BBZ30P080FZK
39 Screw ABA7009
A
B
C
(2) CONTRAST TABLE
VSX-45TX/KUXJI/CA and VSX-43TX/KUXJI/CA are constructed the same except for the following:
Mark NO Symbol and Description
2 MIC & F.OPT IN Assy AWX7981 Not used
3 DISPLAY Assy AWX7983 AWX8011
18 FL Sheet 45R AAK7957 Not used
23 D.Sheet 45B AAK7955 Not used
23 D.Sheet 43B Not used AAK8019
24 Window 45 AAK7954 Not used
24 Window 43R Not used AAK8072
26 F.Panel 45BKU ANB7276 Not used
26 F.Panel 43BKU Not used ANB7278
32 J1901 Connector Assy (3P) ADE7084 Not used
35 J3 4P FFC/60V ADD7351 Not used
NSP 36 Wire Clip (A) VEC1355 Not used
VSX-45TX/KUXJI/CAVSX-43TX/KUXJI/
CA
D
E
56
VSX-45TX
F
7
8
15
1234
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 AUDIO BLOCK DIAGRAM
A
G 1/2
COAXIAL IN
VSX-45TX
ONLY
USB AUDIO
JA1681
DIGITAL
ASSY
JA1801
IN 3
JA1701
JA1702
CN2412
(CD-R/TAPE1)
2
4
CN1701
(1/2)(9P)
(9P)
8
IN 4
(CD)
DIN1
DIN2
CN1801
(1/2)(9P)
CN2408
(17P)
2
2
4
E 1/2
OPTICAL IN
ASSY
B
(CD-R/TAPE1)
W
IN1
(TV/SAT)
IN2
REGULATOR
ASSY
PCM2902EG
D+
1
D-
2
1
13
TC74HCU04F
DIN1
DIN2
CN1653
IC1681
IC1881
(17P)
16
CN1802
25
24
4
10
CN1651
AM/FM TUNER
A
MODULE
TUNER
CD-R PLAY
MD PLAY
V1/IN
V2/IN
TV/SAT
DVD/LD
FVIDEO
DISPLAY
ASSY
(1/2)
CN1201
R
IN
11
CD
17
FOPT
17
CN201
(13P)
41
42
43
44
6
FV-L
6
CN1204
(1/2)(17P)
L
VCR2
CN601
(13P)
TXL TXL
7 7
1
IN
R
6
V1L
10
12
V1L
12
(1/2)
CN1203
10
11
14
2
3
4
5
6
IC101
TC9274F-019
Selector
CD-R REC
8
MD REC
9
V1/OUT
V2/OUT
OUT
45
3
V2L
TVL
DVDL
11
12
13
15
1413
V2L
TVL
DVDL
15
1413
L
RLR
IN
TV/SAT
15
DVD/LD
ANTENNA
BN201
FM
AM
1
BA1451F
AM/FM IF
20
+ MPX IC
IC201
C
JA113
(1/2)
L
CD-R/
TAPE1
R
JA112
(1/2)
L
MD/
TAPE2
CD
PHONO/
LINE
OPT
R
JA111
L
R
L
R
8
CN3
(9P)
IN
D
LINE/PHONE
CN501
(32P)
MIC & F.OPT
L
IN ASSY
CN1601
JA1501
(4P)
1
3
CN1501
(7P)
JA1601
IN
DIGITAL
E
(FRONT)
L
R
AUDIO
(FRONT)
VIDEO INPUT
FRONT IN
D
ASSY
F
C 1/2
16
FOPT
CN3004
(4P)
FV-L
CN3005
(7P)
S 1/2
(VSX-45TX)
(VSX-43TX)
CN1205 (1/3)
CN1202 (1/2)
CN3006
(32P)
4
3
L
VCR1
V-AUDIO IN ASSY
(1/2)(20P)
6
2
14
16
12
10
(28P)
18
21
V1/OUT
V2/OUT
14
CN1405
(1/2)(17P)
IN
CN101
(1/2)(20P)
IN6
6
OUT2
2
IN2
14
IN1
16
IN3
12
IN4
10
CN102
(28P)
OPTOPTOPT
18
N
TUNER
CD-R
CD
DVD/LD
TV/SAT
V1/IN
IC102 (2/2)
UPC4570G2
5
6
CN101
(15P)
CN1401
(15P)
FRONT
SURROUND
MULTI CH IN
SUB WOOFER
SURROUND
VSX-45TX
DSP ASSY
R
IC201
AK4114VQ
DIR & DIT
IN1
44
IN2
46
IN3
48
IN4
1
IN6
5
RX0
42
DAUX
28
9 2
IC101
AK5380VT
AD
DSP CONNECTION
ASSY
4
3
2
5
7
8
TC9164AF
Selector
CENTER
BACK
IC201
7
CN1301
L
R
L
R
CN1302
L
R
IC202 (1/2)
NJM4558MD
6
CN201
CN1402
IC1301 (1/2)
UPC4570G2
IC1302 (1/2)
UPC4570G2
TX0
15
TX1
16
SDTO
25
VSX-45TX
ONLY
3
1
2
(7P)
(7P)
3
2
3
2
11 9
IC701
TC74VHC157FT
Selector
16
FL
ALOUT
16
MR L
1
11
FL
MR L
7
1
1
IC1304 (1/2)
UPC4570G2
3
1
2
3
1
2
IC1303 (1/2)
UPC4570G2
IC1303 (2/2)
5
UPC4570G2
7
6
3
3
FL
3
IC302
IS61LV6416-12T
10
SDI1
IC301
DSPC56367PV150
DSP1
Decoder
12820
4
10
C
SL
SW
SBL
12820
4
10
ALOUT
109
4
2
C
SL
SW
SBL
45
10
12
9
75
6
C
SL
SW
SBL
9
75
6
IC303
SRAM
IS63LV61024-12T
CN601
(21P)
CN301
(21P)
TC9163AF
6
4
FL
3
C
18
SW
11
SBL
8
FL
2
C
19
SW
10
SBL
7
SL
9
SL
11
TC9215AF
CN102
(13P)
CN1403
(13P)
CN1406
(9P)
CN1307
(9P)
SRAM
FL
4
SL
5
SBL
7
C
6
DSPC56367PV150
IC103
5
9
17
12
10
IC104
IC451
SRAM
IS61LV6416-12T
10
11
48
138
IC401
DSP2
PPP
TC94A07F
FL
TC94A07F
SL
SBL
C
TC94A07F
SW
SBL
TC94A07F
C
SL
SW
CD-R REC
MD REC
V1/OUT
V2/OUT
B 1/2
7.1 CH I/O ASSY
IC471
PPROM
IS63LV61024-12T
FL
7
SL
5
SBL
4
C
6
IC701
5
7
4
IC703
5
7
4
IC704
5
7
4
IC702
5
7
4
20
18
21
MR L
1234
5678
A
15
16
IC541
AK4383VT
11
12
15
16
13
14
IC601 (1/2)
NJM4565MD
LPF Amp.
2
3
15
3
16
2
3
2
3
6
5
NJM4565MD
1
IC661 (1/2)
1
NJM4565MD
LPF Amp.
IC621 (1/2)
NJM4565MD
1
LPF Amp.
IC621 (2/2)
7
NJM4565MD
LPF Amp.
FL
SL
SBL
C
IC521
AK4383VT
IC501
AK4383VT
3
IC561
AK4383VT
3
3
The details please refer to next page.
MAIN CONTROL
K
ASSY
IC711 (2/2)
UPC4570G2
5
7
6
IC713 (2/2)
UPC4570G2
5
7
6
IC713 (2/2)
UPC4570G2
5
7
6
IC712
UPC4570G2
5
7
6
3
1
2
CD-R REC
MD REC
MR L
V1/OUT
V2/OUT
CN103
(9P)
CN1404
(9P)
CN1408
(9P)
CN1308
(9P)
64
8
1
2
C
FL
SL
SW
SBL
46
2
9
8
86
2
1
4
C
FL
SL
SW
SBL
2
4
8
9
6
IC681 (1/2)
MIX Amp.
2
2
3
CN801
(24P)
13
7
3
9
JA113
(2/2)
JA112
(2/2)
5
6
1
IC641 (1/2)
NJM4565MD
LPF Amp.
1
O
CN4001
FL
SL
SBL
C
CD-R/
L
TAPE1
R
OUT
MD/
L
TAPE2
R
OUT
7
IC1541
UPC4570G2
F
CN1303
CN1304
G 2/2
FL
CN101
(2/2)(20P)
SL
SBL
C
SW
4
2
POWER
AMP IN ASSY
CN4003
(19P)
12
CN4002
C
8
(19P)
CN4402
CN4454
(17P)
5
3
1
10
(10P)
(24P)
12
18
22
16
COAXIAL IN
ASSY
CN1802
(2/2)(20P)
OUT1
4
OUT2
2
X
CN4401
(17P)
FL
13
SL
15
SBL
17
CN4453
(10P)
C
10
POWER AMP-L
ASSY
Power Amp.
Power Amp.
Power Amp.
Power Amp.
Y
POWER AMP-R
ASSY
VSX-45TX
ONLY
INPUT CONNECT ASSY
B 2/2
SUB WOOFER
CENTER
L
FRONT
R
L
SURROUND
R
L
SURROUND
BACK
R
IC401
M62429FP
1 2
7.1 CH I/O ASSY
PRE OUT
(2/2)(9P)
6
8
IC4101
IC4201
IC4301
IC4451
CN1701
DOUT1
DOUT2
1
1
1
1
CN1801
PA9009A
PA9009A
PA9009A
PA9009A
POWER AMP-C
Z
ASSY
CN1405
(2/2)(17P)
E 2/2
OPTICAL IN
ASSY
(2/2)(9P)
JA1703
6
JA1704
8
3
4
3
4
3
4
3
4
CN1204
(2/2)(17P)
MRL
3
16
17
V1OL
V2OL
3
16
17
OUT1
OUT2
CN4601
FL
Y2
CN4603
SL
Y3
SBL
Y3
CN4602
C
Y1
C 2/2
HEADPHONE
V
ASSY
CN1951
2
(3P)
HP L
CN3007
2
(3P)
CN3001
5
(11P)
HP L
CN2002
7
(11P)
CN2004
1
(5P)
HP L
CN4613
1
(5P)
(2P)
1
(2P)
2
1
(2P)
1
AA
SP/PS ASSY
RY4601
RY4602
RY4603
RY4604
CN4611
CN4612
V-AUDIO IN ASSY
CN1205
CN1205 (2/3)
(VSX-45TX)
CN1202 (2/2)
(VSX-43TX)
CN1201
PHONES
S 2/2
DISPLAY
ASSY
AG
PRIMARY
ASSY
L
FRONT
R
L
SURROUND
R
L
SURROUND
R
BACK
CENTER
(3/3)
MULTI-ROOM
L
& SOURCE
R
OUT
L
VCR1
OUT
R
(2/2)
L
VCR2
OUT
R
VSX-45TX
ONLY
B
C
SPEAKERS
D
E
F
56
VSX-45TX
7
8
17
1234
3.2 DSP BLOCK DIAGRAM
A
K
CN301
IC101
AK5380VT
AD
DSP ASSY
R
B
G
CN1802
IC201
AK4114VQ
DIR & DIT
N
CN651
C
IC701
TC74VHC157FT
SELECTOR
D
IC302
IS61LV6416-12T
SRAM
IC303
E
F
18
1234
IS63LV1024-12T
SRAM
IC705
TC7SH04FU
INVERTER
TC7SH04FU
IC706
INVERTER
IC305 TC7W125FU 3 STATE BUFFER
VSX-45TX
IC301
DSPC56367PV150
DECODER
DSP1
5678
A
IC501
AK4383VT
B
IC503
TC7SH04FU
BUFFER
IC451
IS61LV6416-12T
IC401
DSPC56367PV150
DSP2
SRAM
PPP
IC471
PPROM
IS63LV1024-12T
IC521 AK4383VT
IC541 AK4383VT
IC561 AK4382AVT
C
CN301
K
D
56
VSX-45TX
E
F
7
8
19
1234
3.3 VIDEO AND POWER AMP BLOCK DIAGRAM
A
JA1001
(DVD/LD)
VIDEO
(TV/SAT)
COMPONENT
Y
P
B
IN
PR
Y
B
P
IN
PR
JA1002
13
12
TC74HC4053AF
1
2
3
5
IC101
Selector
14
15
4
B
FRONT IN
D
ASSY
C
(FRONT)
VIDEO INPUT
CN901
VIDEO
VIDEO
VIDEO
VIDEO
(15P)
JA901
(1/2)
JA902
(1/2)
JA903
(1/2)
13
12
5
7
6
D
VCR1/
DVR
S VIDEO
E
VCR2
S VIDEO
IN
DVD/
LD
S VIDEO
TV/
SAT
F
S VIDEO
JA1501
VIDEO
S VIDEO
OSD
OSDON
FV
FV-C
FV-Y
IN1
IN2
IN3
IN4
IN5
IN1
IN2
IN3
IN4
IN5
IN1
IN2
IN3
IN4
IN5
3
2
5
6
5
6
7
CN1501
(7P)
IC901
NJM2296M
Composite
Selector
13
9
7
5
3
IC931
NJM2296M
Y Selector
13
9
7
5
3
14
16
19
1
22
IC932
NJM2596M
C Selector
IC1002 (1/2)
TK15450M
Y Amp.
1
IC1003 (2/2)
TK15450M
Cb Amp.
7
3
2
CN2405
(15P)
3
4
10
9
11
S
FV
3
FV-C
2
FV-Y
1
CN3005
(7P)
OUT1
1
OUT2
15
OUT3
11
OUT1
1
OUT2
15
OUT3
11
OUT1
10
OUT2
8
OUT3
5
IC1003 (1/2)
TK15450M
Cr Amp.
1
W
OSD
OSDON
FV-Y
FV-C
FV
DISPLAY
ASSY
CN3006
REGULATOR ASSY
FV
12
FV-C
14
FV-Y
13
(32P)
IN1
IN2
IN3
OSD
OSDON
COMPONENT ASSY
I
VSX-45TX
ONLY
CN2412
645
(9P)
CN3
645
(9P)
12
14
13
CN501
(32P)
12
3
1
IC933
BU4053BCF
OSD Selector
12
13
5
11
R955
R958
VSX-43TX
ONLY
MAIN CONTROL
K
ASSY
IC902
NJM2279M
Multi-Room
Selector
10
OSD Selector
14
4
VSX-43TX
ONLY
H
IC1051
PDC084A
OSD
13
CN1001
CN2404
TC4W53FU
7
(9P)
(9P)
CN2413
(19P)
CN502
(19P)
IC903
5 6
OSDON
Q931
7
3
OSD
OSDON
IC501
PD5770A8
µ-COM
Q901
1
OSD
R921R915
Q932
VIDEO ASSY
V
Y
C
V
Y
C
V
Y
C
JA905
JA1003
Y
P
B
PR
MULTI-ROOM
& SOURCE
MONITOR OUT
JA904
JA901
(2/2)
JA902
(2/2)
MONITOR OUT
(COMPONENT
VIDEO)
VSX-45TX
ONLY
VIDEO
MONITOR
OUT
S VIDEO
VIDEO
VCR2
OUT
S VIDEO
VIDEO
VCR1/DVR
OUT
S VIDEO
20
1234
VSX-45TX
5678
A
B
C
D
E
56
VSX-45TX
F
7
8
21
1234
3.4 OVERALL WIRING DIAGRAM
A
B
C
VOLUME
ASSY
T
(AWX7971)
L
M
VSX-45TX ONLY
MIC & F.OPT IN
ASSY
(AWX7981)
MIC AMP ASSY
(AWX8004)
S
DISPLAY ASSY
(VSX-45TX : AWX7983)
(VSX-43TX : AWX8011)
D
FRONT IN
ASSY
(AWX7977)
V
HEADPHONE ASSY
(AWX7980)
POWER AMP-R
ASSY
(AWX7985)
K 1/3- K 3/3
MAIN CONTROL ASSY
(VSX-45TX : AWX7961)
(VSX-43TX : AWX8000)
R
K
R 1/2, R 2/2
D
DSP ASSY
(AWX8016)
DSP CONNECTION
ASSY
(AWX8024)
REGULATOR
ASSY
(AWX7967)
W
VSX-45TX
ONLY
Y
N
E
INPUT CONNECT ASSY
(VSX-45TX : AWX7974)
F
(VSX-43TX : AWX8041)
E
F
OPTICAL IN
ASSY
(AWX7978)
22
1234
COAXIAL IN ASSY
(VSX-45TX : AWX7965)
(VSX-43TX : AWX8013)
G
A
FM/AM TUNER
MODULE
(AXQ7231)
VSX-45TX
C
V-AUDIO IN ASSY
(VSX-45TX : AWX7964)
(VSX-43TX : AWX7991)
B
7.1CH I/O ASSY
(AWX7973)
5678
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
MULTI JOG ASSY
U
(AWX7972)
FAN MOTOR
(FRONT)
AXM7023
AE AF
TRANS 2-2
ASSY
(AWX7970)
TRANS 1
ASSY
(AWX7969)
P
POWER AMP IN
O
ASSY
(AWX7982)
AEX7004
THERMISTOR
POWER AMP-L
ASSY
(AWX7984)
FAN DRIVE
ASSY
(AWX7976)
Q
FAN
CONNECTION
ASSY
(AWX8005)
TRANSFORMER
(ATS7328)
TRANS 2-1 ASSY
(AWX7979)
AC
FU4, FU5 : REK1113
(3A/125V)
T1
POWER
AD
VH TR ASSY
(AWX8018)
X
A
B
C
Z
POWER AMP-C
ASSY
(AWX7986)
VIDEO ASSY
(VSX-45TX : AWX7962)
(VSX-43TX : AWX8002)
H
56
COMPONENT ASSY
(VSX-45TX : AWX7963)
(VSX-43TX : AWX8021)
I
RS232C ASSY
(AWX7966)
J
VSX-45TX
ONLY
VSX-45TX
AB
DIODE ASSY
(VSX-45TX : AWX8017)
(VSX-43TX : AWX8038)
AA
SP/PS ASSY
(VSX-45TX : AWX7975)
(VSX-43TX : AWX8037)
7
AG
PRIMARY ASSY
(AWX7968)
FU1 : VEK1029
(10A/125V)
AC IN
POWER CORD
: VDG1075
8
D
E
F
23
1234
3.5 FM/AM TUNER MODULE
A
FM/AM TUNER MODULE (AXQ7231)
A
B
C
D
(FM)
(AM)
FM FRONT END
(FM) (FM)
(AM)
(FM)
MW RF TUNING BLOCK
(AM)
(FM)
(FM)
(FM)
(AM) (AM)
OSC : 980 - 2150kHz
10k step
(FM)
(FM) (FM)
(AM)
E
F
A
24
1234
VSX-45TX
ATF7026
5678
A
(TX)
: AUDIO SIGNAL ROUTE (TUNER Lch)
(AM)
: AM SIGNAL ROUTE
(FM)
: FM SIGNAL ROUTE
: The power supply is shown with the marked box.
B
(AM)
(FM)
(AM)
(AM)
(AM)
(AM)
+ MPX IC
AM/FM IF
(FM)
(AM)
(AM)
(FM)
(AM)
L201
ATE7003
(AM)
(TX)
(FM)
(TX)
(TX)
(TX)
K 3/3
CN601
C
D
PLL IC
VSX-45TX
56
E
F
A
7
8
25
1234
3.6 7.1CH I/O, V-AUDIO IN, FRONT IN and OPTICAL IN ASSYS
(C)
(F)
(S)
BUFFER
(F)(F)
(F)
(S)
(C)
(S)
(S)
(F)
(S)
(C)
(SB)
(SB)
CN1407
F
CN1406
F
A
L
FRONT
R
B
L
SURROUND
R
MULTI CH INPRE OUT
CENTER
C
SUB
WOOFER
(F)
(S)
(C)
(SB)
L
SURROUND
BACK
R
D
SUB
WOOFER
CENTER
L
E
FRONT
R
L
SURROUND
R
(SB)
(C)
(F)
(S)
(SB)
PREOUT
MUTE
(C)
(F)
(C)
(F)
(S)
(SB)
(SB)
B
7.1CH I/O ASSY
(AWX7973)
CN1408
F
(SB)
L
F
SURROUND
BACK
R
B
26
1234
(SB)
: The power supply is shown
with the marked box.
VSX-45TX
5678
VSX-45TX
ONLY
MULTI-ROOM
VSX-45TX :
CN1205 (1/3-3/3)
AKB7009
VSX-43TX :
CN1202 (1/2-2/2)
AKB7015
VCR1
OUT
VCR2
OUT
TV/SAT
DVD/LD
L
OUT
R
& SOURCE
VSX-45TX : (2/3)
VSX-43TX : (1/2)
L
IN
R
L
R
L
IN
R
L
R
L
IN
R
L
IN
R
(MR)
MR
MUTE
VSX-45TX : (3/3)
VSX-43TX : (2/2)
(DVD)
(DVD)
(DVD)
(MR)(MR)
(DVD)
(MR)
(MR)
V-AUDIO IN ASSY
C
(VSX-45TX : AWX7964)
(VSX-43TX : AWX7991)
: AUDIO SIGNAL ROUTE (Lch)
(MR)
: AUDIO SIGNAL ROUTE (MULTI-ROOM Lch)
(DVD)
: AUDIO SIGNAL ROUTE (DVD Lch)
(F)
: AUDIO SIGNAL ROUTE (FRONT Lch)
(S)
: AUDIO SIGNAL ROUTE (SURROUND Lch)
(SB)
: AUDIO SIGNAL ROUTE (SURROUND BACK Lch)
(C)
: AUDIO SIGNAL ROUTE (CENTER ch)
(D)
: AUDIO SIGNAL ROUTE (DIGITAL)
CN1405
F
OPTICAL IN ASSY
E
(AWX7978)
A
B
C
D
D
L
AUDIO
R
VIDEO
VIDEO INPUT (FRONT)
S VIDEO
56
FRONT IN ASSY
(AWX7977)
(CD-R/TAPE1)
PCM/
2DIGITAL/
DTS/MPEG
CN3005
S
VSX-45TX
IN 1
(TV/SAT)
IN 2
OUT 1
OUT 2
(D)
(D)
(D)
(D)
(D)
(D)
CN1801
G
E
F
EDC
7
8
27
1234
3.7 INPUT CONNECT and COAXIAL IN ASSYS
A
INPUT CONNECT ASSY
F
(VSX-45TX : AWX7974)
(VSX-43TX : AWX8041)
K 1/3
CN101
(DVD)
B
VSX-45TX
ONLY
MR
VOLUME
C
(MR)
(MR)
(MR)
(DVD)
(MR) (MR)
: AUDIO SIGNAL ROUTE (Lch)
(MR)
: AUDIO SIGNAL ROUTE (MULTI-ROOM Lch)
(DVD)
: AUDIO SIGNAL ROUTE (DVD Lch)
(F)
: AUDIO SIGNAL ROUTE (FRONT Lch)
(S)
: AUDIO SIGNAL ROUTE (SURROUND Lch)
(SB)
: AUDIO SIGNAL ROUTE (SURROUND BACK Lch)
(C)
: AUDIO SIGNAL ROUTE (CENTER ch)
(D)
: AUDIO SIGNAL ROUTE (DIGITAL)
(UD)
: AUDIO SIGNAL ROUTE (USB DIGITAL)
C
CN1204
K 1/3
CN201
(MR)
(F)
D
(S)
(C)
K 1/3
CN102
(SB)
E
K 2/3
CN103
(SB)
(S)
(F)
(C) (C)
(F)
(S)
(C)
(SB)
(SB)
(S)
CN1307
B
CN1306
B
CN1308
(F)
B
SW AMP
F
F
28
1234
VSX-45TX
5678
A
DIGITAL
USB AUDIO
(UD)
(UD)
VSX-45TX
ONLY
USB RECEIVER
IC1681
PCM2902EG
(UD)
(UD)
(UD)
B
(CD-R/TAPE1)
IN
IN
(CD)
COAXIAL IN ASSY (VSX-45TX : AWX7965)
G
(VSX-43TX : AWX8013)
: The power supply is shown with the marked box.
(1/2)
3
4
(2/2)
C
D
CN1701
E
(D)
(D)
(D)
(D)
R 1/2
(D)
(UD)
CN101
(D)
(UD)
W
CN2406
VSX-45TX
56
E
(UD) (UD)
(UD)
F
G
7
8
29
1234
3.8 VIDEO ASSY
A
VIDEO ASSY
H
(VSX-45TX : AWX7962)
(VSX-43TX : AWX8002)
VIDEO
VCR1/
DVR
S VIDEO
B
IN
VIDEO
VCR2
S VIDEO
C
MAIN FUNCTION
(COMP)
MAIN FUNCTION
(Y)
VSX-45TX
ONLY
VIDEO
DVD/LD
IN
S VIDEO
D
VIDEO
TV/SAT
IN
S VIDEO
E
(SC)
(SY)
(SY)
(SC)
(SY)
(SY)
(SC)
MAIN FUNCTION (C)
DC SELECTOR
(SC)
(SC)
(SY)
(SC)
F
CN2405
W
30
H
VSX-45TX
1234
Loading...