Marantz SR4300 User Manual
Service
SR4300 /A1B/A1G/F1N/K1G
/L1G/N1B/N1G/U1B
Manual
SR4300 /F/U
POWER ON / STNDBY
SR4300 /A/K/L/N
POWER ON/OFF
AV Surround Receiver
AV SURROUND RECEIVER SR4300
SURROUND
CLEAR
STANDBY
STANDBY
SURROUND
PHONES
AV SURROUND RECEIVER SR4300
PHONES
A/D
TV
6.1CH-IN
CLEAR
A/D
TV
6.1CH-IN
TUNING/PRESET
MEMORY
HT-EQ
DVD
VCR1
TUNING/PRESET
MEMORY
HT-EQ
DVD
VCR1
F/P
MODE
S-DIRECT
DSS/VCR2
CDR/MD
S-DIRECT
DSS/VCR2
CDR/MD
MUTE
DIMMER
TAPE
CD
TUNER
F/P
MODE
MUTE
DIMMER
TAPE
CD
TUNER
VOLUME
DOWN
DOWN
UP
VOLUME
UP
SR4300
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS........................................................................... 1
2. WIRING DIAGRAM ............................................................................................... 5
3. BLOCK DIAGRAM ................................................................................................ 7
4. SCHEMATIC DIAGRAM ....................................................................................... 9
5. PARTS LOCATION............................................................................................. 31
6. IC DATA .............................................................................................................. 45
7. EXPLODED VIEW AND PARTS LIST ................................................................ 51
8. SERVICE PROCEDURE .................................................................................... 55
9. ELECTRICAL PARTS LIST ................................................................................ 58
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
R
SR4300
09AW855010 MIT
First Issue 2002.12
MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.
Only original
MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which
it is famous.
Parts for your
MARANTZ equipment are generally availab le to our National Marantz Subsidiary or Agent.
ORDERING PARTS :
Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be specified.
The following information must be supplied to eliminate delays in processing your order :
1. Complete address
2. Complete part numbers and quantities required
3. Description of parts
4. Model number for which part is required
5. Way of shipment
6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.
USA
MARANTZ AMERICA, INC
1100 MAPLEWOOD DRIVE
ITASCA, IL. 60143
USA
PHONE : 630 - 741 - 0300
FAX : 630 - 741 - 0301
AMERICAS
SUPERSCOPE TECHNOLOGIES, INC.
MARANTZ PROFESSIONAL PRODUCTS
2640 WHITE OAK CIRCLE, SUITE A
AURORA, ILLINOIS 60504 USA
PHONE : 630 - 820 - 4800
FAX : 630 - 820 - 8103
AUSTRALIA
QualiFi Pty Ltd,
24 LIONEL ROAD,
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - (0)3 - 9543 - 1522
FAX : +61 - (0)3 - 9543 - 3677
NEW ZEALAND
WILDASH AUDIO SYSTEMS NZ
14 MALVERN ROAD MT ALBERT
AUCKLAND NEW ZEALAND
PHONE : +64 - 9 - 8451958
FAX : +64 - 9 - 8463554
EUROPE / TRADING
MARANTZ EUROPE B.V.
P. O. BOX 8744, BUILDING SILVERPOINT
BEEMDSTRAAT 11, 5653 MA EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2507844
FAX : +31 - 40 - 2507860
AUSTRALIA
TECHNICAL AUDIO GROUP PTY, LTD
558 DARLING STREET,
BALMAIN, NSW 2041,
AUSTRALIA
PHONE : 61 - 2 - 9810 - 5300
FAX : 61 - 2 - 9810 - 5355
THAILAND
MRZ STANDARD CO., LTD
746 - 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 9181
FAX : +66 - 2 - 224 6795
TAIWAN
PAI- YUING CO., LTD.
6 TH FL NO, 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 - 2 - 25221304
FAX : +886 - 2 - 25630415
CANADA
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX : 905 - 831 - 6936
HONG KONG
Jolly ProAudio Broadcast Engineering Ltd.
UNIT 2, 10F, WAH HUNG CENTRE,
41 HUNG TO ROAD, KWUN TONG, KLN.,
HONG KONG
PHONE : 852 - 21913660
FAX : 852 - 21913990
SINGAPORE
WO KEE HONG DISTRIBUTION PTE LTD
130 JOO SENG ROAD
#03-02 OLIVINE BUILDING
SINGAPORE 368357
PHONE : +65 6858 5535 / +65 6381 8621
FAX : +65 6858 6078
MALAYSIA
WO KEE HONG ELECTRONICS SDN. BHD.
2ND FLOOR BANGUNAN INFINITE CENTRE
LOT 1, JALAN 13/6, 46200 PETALING JAYA
SELANGOR DARUL EHSAN, MALAYSIA
PHONE : +60 - 3 - 7954 8088
FAX : +60 - 3 - 7954 7088
JAPAN
MARANTZ JAPAN, INC.
35- 1, 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505
PHONE : +81 42 748 1013
FAX : +81 42 741 9190
Technical
KOREA
MK ENTERPRISES LTD.
ROOM 604/605, ELECTRO-OFFICETEL, 16-58,
3GA, HANGANG-RO, YONGSAN-KU, SEOUL
KOREA
PHONE : +822 - 3232 - 155
FAX : +822 - 3232 - 154
SHOCK, FIRE HAZARD SERVICE TEST :
CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC
cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or F ront Panel of product and
controls and chassis bottom.
Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC po w er is applied, and
verified before it is return to the user/customer.
Ref. UL Standard No. 6500.
In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.
020816MIT
1. TECHNICAL SPECIFICA TIONS
FM TUNER SECTION
Frequency Range ...........................................................................................................................................76.0 - 90.0 MHz(/F)
Usable Sensitivity........................................................................................................................................... IHF 1.8 µV/16.4 dBf
Signal to Noise Ratio ................................................................................................................................ Mono/Stereo 76/72 dB
Distortion ................................................................................................................................................... Mono/Stereo 0.2/0.3 %
Stereo Separation ...................................................................................................................................................... 1 kHz 45 dB
Alternate Channel Selectivity ........................................................................................................................ ± 400 kHz 60 dB(/F)
Image Rejection ................................................................................................................................................ 83 MHz 70 dB(/F)
Tuner Output Level ................................................................................................................. 1 kHz, ± 75 kHz Dev800 mV(/F/U)
AM TUNER SECTION
Frequency Range ..................................................................................................................................531 - 1602 kHz(/F/K/L/N)
Signal to Noise Ratio ........................................................................................................................................................... 50 dB
Usable Sensitivity.................................................................................................................................................. Loop 500 µV/m
Distortion ............................................................................................................................................1 kHz, 30 % Mod. 0.5 %(/F)
............................................................................................................................... 400 Hz, 30 % Mod. 0.5 %(/K/L/N/U)
Selectivity ........................................................................................................................................................ ± 20 kHz 70 dB(/F)
.............................................................................................................................................. ± 18 kHz 70 dB(/K/L/N/U)
AUDIO SECTION
Power Output (20Hz - 20kHz / THD=0.08%)
Front L&R................................................................................................................................................................. 8 Ω 80 W/Ch
Center ...................................................................................................................................................................... 8 Ω 80 W/Ch
Surround L&R .......................................................................................................................................................... 8 Ω 80 W/Ch
Surround Back ......................................................................................................................................................... 8 Ω 80 W/Ch
Front L&R................................................................................................................................................................. 6 Ω 95 W/Ch
Center ...................................................................................................................................................................... 6 Ω 95 W/Ch
Surround L&R ........................................................................................................................................................... 6 Ω 95 W/Ch
Surround Back .......................................................................................................................................................... 6 Ω 95 W/Ch
Maximum Power Output (1kHz / JEITA)
Front L&R............................................................................................................................................................... 6 Ω 125 W/Ch
Center .................................................................................................................................................................... 6 Ω 125 W/Ch
Surround L&R ........................................................................................................................................................ 6 Ω 125 W/Ch
Surround Back ....................................................................................................................................................... 6 Ω 125 W/Ch
Input Sensitivity/Impedance ...................................................................................................................................215 mV/ 47 kΩ
Signal to Noise Ratio (Analog Input/Source Direct) ............................................................................................................. 95 dB
Frequency Response
(Analog Input/Source Direct)......................................................................................................................... 8 Hz - 70 kHz(±3dB)
(Digital Input/96kHz PCM) ............................................................................................................................ 8 Hz - 45 kHz(±3dB)
............................................................................................................................... 87.5 - 108.0 MHz(/K/L/N/U)
............................................................................................................... ± 300 kHz 60 dB(/K/L/N/U)
...................................................................................................................................... 98 MHz 70 dB(/K/L/N/U)
.............................................................................................................. 1 kHz, ± 40 kHz Dev800 mV(/K/L/N)
............................................................................................................................................ 520 - 1710 kHz(/U)
VIDEO SECTION
Television Format .......................................................................................................................................................NTSC(/F/U)
Input Level/Impedance.............................................................................................................................................. 1 Vp-p/ 75 Ω
Output Level/Impedance ........................................................................................................................................... 1 Vp-p/ 75 Ω
Video Frequency Response.........................................................................................................................5 Hz - 8 MHz (- 1 dB)
Signal to Noise Ratio ........................................................................................................................................................... 60 dB
GENERAL
Power Requirement .................................................................................................................................. AC 100 V 50/60 Hz(/F)
Power Consumption.......................................................................................................................................................320 W(/F)
Weight ................................................................................................................................................................ 12.5 Kg(27.6 lbs)
ACCESSORIES
Remote Control Unit RC4300SR ................................................................................................................................................. 1
AAA-size batteries .......................................................................................................................................................................2
FM Antenna .................................................................................................................................................................................1
AM Loop Antenna ........................................................................................................................................................................ 1
AC Power Cord ............................................................................................................................................................................1
.............................................................................................................................................NTSC/PAL(/K/L/N)
.................................................................................................................................. AC 220 V 50/60 Hz(/K)
........................................................................................................................................AC 110 V 60 Hz(/L)
....................................................................................................................................... AC 230 V 50 Hz(/N)
....................................................................................................................................... AC 120 V 60 Hz(/U)
............................................................................................................................................ 325 W(/K/L/N/U)
1
The relation between the selected surround mode and the input signal
The surround mode is selected with the surround mode knob on SR4300 or the remote control unit. However, the sound you hear is subject to the
relationship between the selected surround mode and input signal. That relationship is as follows;
Surround Mode Input Signal Decoding
AUTO Dolby Surr. EX Dolby Digital EX
S-DIRECT Dolby D Surr. EX Dolby Digital EX
EX/ES Dolby D Surr. EX Dolby Digital EX
DOLBY Dolby D Surr. EX Dolby Digital 5.1
(PL MOVIE) Dolby D (5.1ch) Dolby Digital 5.1
(PL MUSIC) Dolby D (2ch) Pro Logic
(PRO LOGIC) Dolby D (2ch Surr) Pro Logic
DTS DTS-ES DTS 5.1
(Neo:6 Cinema) DTS (5.1ch) DTS 5.1
(Neo:6 Music) PCM (Audio) Neo:6
CS CINEMA PCM (Audio) CS
CS
MUSIC Analog CS
CS MONO or CSII MONO
STEREO Dolby Surr. EX Stereo
VIRTUAL Dolby Surr. EX Virtual
MULTI CH ST Dolby Surr. EX Dolby Digital EX
DSP SURROUND
(MOVIE) Analog DSP
(HALL) or STADIUM
(STADIUM) or MATRIX
(MATRIX)
Dolby D (5.1ch) Dolby Digital 5.1
Dolby D (2ch) Dolby Digital 2.0
Dolby D (2ch Surr) Pro Logic movie
DTS-ES DTS-ES
DTS (5.1ch) DTS 5.1
PCM (Audio) PCM (Stereo)
PCM 96kHz PCM (96kHz Stereo)
Analog Stereo
Dolby D (5.1ch) Dolby Digital 5.1
Dolby D (2ch) Dolby Digital 2.0
Dolby D (2ch Surr) Pro Logic movie
DTS-ES DTS-ES
DTS (5.1ch) DTS 5.1
PCM (Audio) PCM (Stereo)
PCM 96kHz PCM (96kHz Stereo)
Analog Stereo
Dolby D (5.1ch) Dolby Digital EX
DTS-ES DTS-ES
DTS (5.1ch) DTS-ES
PCM (Audio) Pro Logic
Analog Pro Logic
Analog Neo:6
Dolby D (5.1ch) Stereo
Dolby D (2ch) Stereo
Dolby D (2ch Surr) Stereo
DTS-ES Stereo
DTS (5.1ch) Stereo
PCM (Audio) Stereo
PCM 96kHz Stereo
Analog Stereo
Dolby D (5.1ch) Virtual
Dolby D (2ch) Virtual
Dolby D (2ch Surr) Virtual
DTS-ES Virtual
DTS (5.1ch) Virtual
PCM (Audio) Virtual
Analog Virtual
Dolby D (5.1ch) Dolby Digital 5.1
Dolby D (2ch) Multi Channel Stereo
Dolby D (2ch Surr) Multi Channel Stereo
DTS-ES DTS-ES
DTS (5.1ch) DTS 5.1
PCM (Audio) Multi Channel Stereo
Analog Multi Channel Stereo
PCM (Audio) DSP
Output Channel Front information display
SL
L/R C
OOOOO
OOO-O
O
OOO
OOOOO
OOO-O
O
O
O
OOOOO
OOO-O
O
OOO
OOOOO
OOO-O
O
O
O
OOOOO
OOOOO
OOOOO
OOOOO
OOO-O
OOO-O
OOO
OOO
OOO
OOO
OOO-O
OOO-O
OOOO
OOOO
OOOOO
OOOOO
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
OOOOO
OOO-O
OOO
OOO
OOOOO
OOO-O
OOO
OOO
OOO
OOO
SB SW Dot matrix display Signal format indicators Channel status
SR
----DOLBY D DIGITAL L, R
----STEREO PCM L, R
----STEREO PCM, 96kHz L, R
----STEREO ANALOG -
----DOLBY D DIGITAL L, R
----STEREO PCM L, R
----STEREO PCM, 96kHz L, R
----STEREO ANALOG -
---OSTEREO DIGITAL, EX L, C, R, SL, SR, S, LFE
---OSTEREO DIGITAL L, C, R, SL, SR, LFE
----STEREO DIGITAL L, R
----STEREO DIGITAL , SURROUND L, R, S
---OSTEREO dts , ES L, C, R, SL, SR, S, LFE
---OSTEREO dts L, C, R, SL, SR, LFE
----STEREO PCM L, R
----STEREO PCM, 96kHz L, R
----STEREO ANALOG -
----VIRTUAL DIGITAL, EX L, C, R, SL, SR, S, LFE
----VIRTUAL DIGITAL L, C, R, SL, SR, LFE
----VIRTUAL DIGITAL L, R
----VIRTUAL DIGITAL , SURROUND L, R, S
----VIRTUAL dts , ES L, C, R, SL, SR, S, LFE
----VIRTUAL dts L, C, R, SL, SR, LFE
----VIRTUAL PCM L, R
----VIRTUAL ANALOG -
DOLBY D EX DIGITAL, EX L, C, R, SL, SR, S, LFE
DOLBY D DIGITAL L, C, R, SL, SR, LFE
- - DOLBY PL II MV DIGITAL , SURROUND L, R, S
DTS ES dts , ES L, C, R, SL, SR, S, LFE
DTS dts L, C, R, SL, SR, LFE
DOLBY D EX DIGITAL, EX L, C, R, SL, SR, S, LFE
DOLBY D DIGITAL L, C, R, SL, SR, LFE
- - DOLBY PL II MV DIGITAL , SURROUND L, R, S
DTS ES dts , ES L, C, R, SL, SR, S, LFE
DTS dts L, C, R, SL, SR, LFE
DOLBY D EX DIGITAL, EX L, C, R, SL, SR, S, LFE
DOLBY D EX DIGITAL L, C, R, SL, SR, LFE
DTS ES dts , ES L, C, R, SL, SR, S, LFE
DTS ES dts L, C, R, SL, SR, LFE
DOLBY D DIGITAL, EX L, C, R, SL, SR, S, LFE
DOLBY PLII MS DIGITAL L, C, R, SL, SR, LFE
- - DOLBY PL DIGITAL L, R
- - or DOLBY PLII MV DIGITAL , SURROUND L, R, S
- - or DOLBY PLII MS PCM L, R
- - ANALOG DTS ES dts , ES L, C, R, SL, SR, S, LFE
DTS dts L, C, R, SL, SR, LFE
- NEO 6 CINEMA PCM L, R
- or NEO 6 MUSIC ANALOG L, R
CSII CINEMA PCM L, R
or CSII MUSIC ANALOG -
M-CH STEREO DIGITAL, EX L, C, R, SL, SR, S, LFE
M-CH STEREO DIGITAL L, C, R, SL, SR, LFE
- - M-CH STEREO DIGITAL L, R
- - M-CH STEREO DIGITAL , SURROUND L, R, S
M-CH STEREO dts , ES L, C, R, SL, SR, S, LFE
M-CH STEREO dts L, C, R, SL, SR, LFE
- - M-CH STEREO PCM L, R
- - M-CH STEREO ANALOG -
- - MOVIE PCM L, R
- - or HALL ANALOG -
Dolby Surr.EX: Dolby Digital stream with Surround EX flag
Dolby D(2ch Surr) : 2channel Dolby Digital stream with Dolby Surround flag
SL/SR = Surround Left and Right speakers
DTS-ES: DTS digital stream with ES flag.
L/R = Front Left and Right speakers
C = Center speaker
SB = Surround back speaker
SW = Sub woofer speaker
2
Bass signal output from Sub Woofer terminal for SR430
0
p
B
X
3
L
,
6CS
o
R
(
S
S
(
)
(
)
(p
g
(p
(p
(p
(p
*Stereo decode : SPK SETUP - BASS MIX : BOTH set
SPK setu
Sub
Front Center
Woofer L/
Yes Large Large Large Large LFE LFE none L+R L+R no output
Small Large Large Large LFE+L+R LFE+L+R L+R L+R L+R no output
None
Surr.
Surr.
DD E
L/R)DTS mES,dE
None no suuround mode
Small Small LFE+SL+SR+Sb LFE+SL+SR
None no suuround mode
rohibit)no suuround mode LFE
None
Small Lar
None Large Large LFE LFE none L+R L+R no output
Small Large Large LFE+L+R+C LFE+L+R+C L+R+C L+R L+R no output
None Large Large LFE+L+R LFE+L+R L+R L+R L+R no output
e Large LFE+C LFE+C C L+R L+R no output
None no suuround mode
Small Small LFE+C+SL+SR+Sb LFE+C+SL+SR
None no suuround mode
rohibit)no suuround mode LFE+C
None
None no suuround mode
Small Small LFE+SL+SR+Sb LFE+SL+SR
None no suuround mode
rohibit)no suuround mode LFE
None
None no suuround mode
Small Small LFE+L+R+SL+SR+Sb LFE+L+R+SL+SR
None no suuround mode
rohibit)no suuround mode LFE+L+R
None
None no suuround mode
Small Small
None(prohibit)no suuround mode LFE+L+R+C
Small Small LFE+L+R+SL+SR+Sb LFE+L+R+SL+SR
None
FE+L+R+C+SL+SR+SbLFE+L+R+C+SL+SR
None no suuround mode
None no suuround mode
None no suuround mode
rohibit)no suuround mode LFE+L+R
SubWoofer Output by Decoded mode
Dolby(AC-
DT
P
Neo2ch)
No output
Stere
PCM:Auto
Virtual
Main spk L fix
3
-MEMO-
4
2. WIRING DIAGRAM
17P
TUNER
MODULE
JFV101
11P
VIDEO
JFV201
9P
JFS09
17P
JFS11
15P
DIGITAL/AUDIO
JFS01
11P
JFS078PJFS10
16P
JFS08
11P
JFS06
10P
JFS03
12P
JFS05
9P
MAIN
JFN509
JFN510
4P
JFN511
3P
3P
JFN512
2P
JFN401
5P
JFN101
16P
JFN507
9P
JFN508
10P
JFM044PJFM05
2P
POWER AMP.
JFM01
12P
JFM02
3P
JFF102
15P
JFF103
4P
FRONT
JFF101
7P
AC PLUG
(/U/L/F)
AC INLET
(/N/K/A)
JFK2
11P
JFK1
9P
6.1CH/
PRE OUT
JW103
2P
TRANSF.
STAND-BY
SUB
JW101
2P
JW102
2P
JW104
5P
JFN7014PJFN102
5P
JFN6014PJFN301
6P
MAIN
TRANSF.
JFN702
7P
JP1
2P
JH01
4P
H/P OUT
JFM03
3P
JFF104
4P
JFL1
4P
STAND-BY
LED
JS1
4P
SURROUND
MODE SEL
POWER SW1
(/N/K/A)
5 6
3. BLOCK DIAGRAM
FM ANT
AM ANT
ANALOG AUDIO
DSS/VCR2 OUT
6.1CH INPUT
DIGITAL AUDIO
VIDEO SWITCH
REMOTE
S-VIDEO
CD IN
TAPE IN
TAPE OUT
CD-R/MD IN
CD-R/MD OUT
VCR1 IN
VCR1 OUT
DSS/VCR2 IN
DVD IN
TV IN
FL
FR
SR
SBL
SW
DIG4 IN
DIG3 IN
DIG2 IN
DIG1 IN
TV IN
DVD IN
VCR1 IN
VCR1 OUT
DSS/VCR2 IN
VCR2 OUT
VCR1 OUT
TUNER
MODULE
C
SL
DVD IN
VCR1 IN
RC-5 IN
RC-5 OUT
Y Signal
X Signal
KSE
Data
BU1924
RDS
/N /A
only
FUNCTION
SEL
FUNCTION
SEL
NJM2296M
REC OUT
REC OUT
Error
to mcu INT
DIG2 OUT
DIG1 OUT
NJM2296MX 2 (Y/C)
TONE
TONE
2CH
ADC
LEVEL SHIFT
DIGITAL IN
RECEIVER
AK4112B
RC-5
Serial to Parallel
74HC4094
TV Monitor OUT
DACLPF
DACLPF
ADC
ADC
TV Monitor OUT
(CVBS)
(S-VIDEO)
DATT
DATT
HPF
HPF
DSP
CS493263
LEVEL SHIFT
16BIT MCU
H8/3026F
M61516FP
AUDIO I/F
BLCK
LRCK
MCLK
To mcu INT
8CH
DAC
LEVEL
SHIFT
F-ROM
MX29LV040QC-90
PT6302-001
FLD DRIVER FL DISPLAY
KEY INPUT
ROTARY
ENCODER
MASTER VOL
24 Pulse
SURR. MODE
12 Pulse
STAND BY
LED
IR
SENSOR
AK4529
+2.5V
+5VD
+12V
Reg
+B(+40V)
Protection 2
to mcu INT
-B(-40V)
+5VV
-5VV
+15V
-15V
BUFF X 7
E-Volume
LPFDACDATT
LPFDACDATT
LPFDACDATT
LPFDACDATT
LPFDACDATT
MUTE Control
FC
MAIN TRANS
Current
Limiter
Regulator
Regulator
FLD AC
FLD AC
-30V
Error
FL/FR
SL/SR
SB
SW
STAND BY
FL
FR
FC
SL
SR
SB
SW
+3.3VL
Reg
+5VL
Reg
P-DOWN
POWER AMP X 6
2SA1941/2SC5198
Protection 2
to mcu INT
SUB TRANS
+12V
FL
FR
FC
SL
SR
SB
TA7317P
DC
CURR.
SENS
FUSE
FUSE
POWER SW
(/N/K/A)
SPK Relay
H/P DET
to mcu
Control
SPK OUT
FL
FR
FC
SL
SR
SB
H/P OUT
PRE OUT
FL/FR/FC
SL/SR
SBL/SBR
SW
SWITCHED
UNSWITCHED
7 8
4. SCHEMATIC DIAGRAM
DIGITAL / AUDIO PCB
(AD/DA)
9 10
POWER AMP PCB
11 12
DIGITAL / AUDIO PCB
(E-VR)
13 14
DIGITAL / AUDIO PCB
(CPU)
15 16
FRONT PCB
17 18
DIGITAL / AUDIO PCB
(DSP)
19 20
MAIN PCB
21 22
STAND-BY PCB
23 24
VIDEO PCB
25 26
6.1CH / PRE OUT PCB
27 28
H/P PCBSURROUND MODE PCB
STAND-BY LED PCB
29 30
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