PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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
2012
ADVANCED
MCACC
FL OFF
iPod iPhone iPadHDMI
AV RECEIVER
SC-68
SC-67
INPUT
SELECTOR
STANDBY/ON
MASTER
VOLUME
ORDER NO.
RRV4325
SC-68
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
ModelTypePower RequirementRemarks
SC-68UXJCBAC 120V
SC-67UXJCBAC 120V
K-FZV JULY
2012 Printed in Japan
Page 2
1
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 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.
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 Ser
vice 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.
Leakage
current
tester
Reading should
not be above
0.5 mA
Device
under
test
Test all
exposed metal
surfaces
Also test with
plug reversed
(Using AC adapter
plug as required)
Earth
ground
AC Leakage Test
(FOR USA MODEL ONLY)
WARNING
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.
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.
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 productssuch 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.
1. SERVICE PRECAUTIONS.................................................................................................................................................... 5
1.1 NOTES ON SOLDERING...............................................................................................................................................5
1.2 NOTES ON REPLACING ...............................................................................................................................................5
1.4 NOTES ON ASSEMBLING.............................................................................................................................................6
3. BASIC ITEMS FOR SERVICE ............................................................................................................................................10
3.1 CHECK POINTS AFTER SERVICING ......................................................................................................................... 10
3.3 JIGS LIST .....................................................................................................................................................................13
6. SERVICE MODE................................................................................................................................................................. 48
6.1 TEST MODE.................................................................................................................................................................48
8. EACH SETTING AND ADJUSTMENT................................................................................................................................70
8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED..........................................................70
8.2 HOW TO SAVE AND LOAD THE SETTING USING BACKUP FUNCTION WITH USB MEMORY.............................. 71
8.3 REGION WRITING.......................................................................................................................................................72
8.4 HOW TO UPDATE FIRMWARE.................................................................................................................................... 73
9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................76
9.5 FRONT SECTION ........................................................................................................................................................84
10.4 DAC HIGH ASSY (1/2) ...............................................................................................................................................96
10.5 DAC HIGH ASSY (2/2) ...............................................................................................................................................98
10.6 FRONT HDMI USB ASSY ........................................................................................................................................100
10.7 USB RECT ASSY and MULTI CH IN ASSY (SC-68)................................................................................................ 102
10.8 USB DAC ASSY (SC-68).......................................................................................................................................... 104
10.9 DIGITAL MAIN ASSY (1/11) ..................................................................................................................................... 106
10.10 DIGITAL MAIN ASSY (2/11) ................................................................................................................................... 108
10.11 DIGITAL MAIN ASSY (3/11) ................................................................................................................................... 110
10.12 DIGITAL MAIN ASSY (4/11) ................................................................................................................................... 112
10.13 DIGITAL MAIN ASSY (5/11) ................................................................................................................................... 114
10.14 DIGITAL MAIN ASSY (6/11) ..................................................................................................
10.15 DIGITAL MAIN ASSY (7/11) ................................................................................................................................... 118
10.16 DIGITAL MAIN ASSY (8/11) ................................................................................................................................... 120
10.17 DIGITAL MAIN ASSY (9/11) ................................................................................................................................... 122
10.18 DIGITAL MAIN ASSY (10/11) ................................................................................................................................. 124
10.19 DIGITAL MAIN ASSY (11/11) ................................................................................................................................. 126
10.24 MIC HP ASSY.........................................................................................................................................................136
10.27 VOL ASSY and POWER SW ASSY ....................................................................................................................... 142
10.29 IR INTERFACE_M ASSY and BUFFER GND ASSY..............................................................................................144
10.30 IR BUFFER ASSY...................................................................................................................................................146
10.31 D AMP ASSY (1/7)..................................................................................................................................................148
A
10.32 D AMP ASSY (2/7)..................................................................................................................................................150
10.33 D AMP ASSY (3/7)..................................................................................................................................................152
10.34 D AMP ASSY (4/7)..................................................................................................................................................154
10.35 D AMP ASSY (5/7)..................................................................................................................................................156
10.36 D AMP ASSY (6/7)..................................................................................................................................................158
10.37 D AMP ASSY (7/7)..................................................................................................................................................160
10.39 PRIMARY SHIELD ASSY (SC-67) and REG ASSY ...............................................................................................164
10.40 IR REG ASSY .........................................................................................................................................................166
10.41 B DIODE ASSY.......................................................................................................................................................168
10.44 PRE BRIDGE ASSY ...............................................................................................................................................171
10.48 FRONT BRIDGE ASSY ..........................................................................................................................................175
10.52 A REG BRIDGE ASSY............................................................................................................................................179
10.53 MIC HP GUARD, FAN CONNECT, BIND DM CABLE and BIND B CABLE ASSYS...............................................180
10.54 FFC GUARD, VREG GUARD and PANEL GUARD ASSYS ...................................................................................181
11.2 DAC HIGH ASSY ......................................................................................................................................................186
11.3 FRONT HDMI USB ASSY.........................................................................................................................................190
11.4 USB RECT ASSY .....................................................................................................................................................191
11.5 MULTI CH IN ASSY (SC-68).....................................................................................................................................192
11.6 USB DAC ASSY (SC-68) ..........................................................................................................................................194
11.7 DIGITAL MAIN ASSY ................................................................................................................................................198
11.11 MIC HP ASSY.........................................................................................................................................................210
11.13 VOL ASSY, POWER SW ASSY and ENCODER ASSY..........................................................................................216
11.14 IR BUFFER ASSY...................................................................................................................................................218
11.15 BUFFER GND ASSY and IR INTERFACE_M ASSY ..............................................................................................222
11.16 D AMP ASSY ..........................................................................................................................................................224
11.17 PRIMARY ASSY and PRIMARY SHIELD ASSY (SC-67) .......................................................................................228
11.19 IR REG ASSY and B DIODE ASSY........................................................................................................................234
11.20 CONNECT ASSY and FB-CONNECT ASSY..........................................................................................................238
11.21 PRE BRIDGE, A-DAC BRIDGE, D-AUDIO BRIDGE and D-DAC BRIDGE ASSYS................................................240
11.22 FRONT BRIDGE ASSY and DISPLAY BRIDGE ASSY ..........................................................................................244
11.25 A REG BRIDGE ASSY............................................................................................................................................249
11.26 MIC HP GUARD ASSY and FAN CONNECT ASSY...............................................................................................250
11.27 BIND DM CABLE, BIND B CABLE, FFC GUARD and VREG GUARD ASSYS......................................................254
12. PCB PARTS LIST ............................................................................................................................................................256
F
4
1
234
SC-68
Page 5
5
• For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit.
Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs
accompanied by reworking of soldering.
• Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 °C.
Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 °C in general, although
the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of
the soldering iron.
Do NOT use a soldering iron whose tip temperature cannot be controlled.
Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting
temperatures (hard to melt/easy to harden).
The following lead-free solders are availab
le as service parts:
• Parts numbers of lead-free solder:
GYP1006 1.0 in dia.
GYP1007 0.6 in dia.
GYP1008 0.3 in dia.
The part listed below is difficult to replace as a discrete component part.
When the part listed in the table is defective, replace whole Assy.
Parts that is Difficult to Replace
ASSY NAME
PCB ASSY
Part No.
Ref No. FUNCTION Part No. Remarks
IC903HDMI RECEIVER ------------------- IC with heat-pad
IC1204 DIGITAL VIDEO FORMAT
CONVERTER
-------------------
BGA
IC1212 DDR2-SDRAM ------------------- BGA
IC1602 HDMI TRANSMITTER ------------------- IC with heat-pad
IC1609 HDMI TRANSMITTER ------------------- IC with heat-pad
IC9002 1st DSP ------------------- IC with heat-pad
IC9203LAN PHY ------------------- IC with heat-pad
IC9204 MEDIA PROCESSOR ------------------- BGA
IC9510 REGULATOR ------------------- IC with heat-pad
IC9520 REGULATOR ------------------- IC with heat-pad
IC9521 REGULATOR ------------------- IC with heat-pad
IC9522 REGULATOR ------------------- IC with heat-pad
IC9524 REGULATOR ------------------- IC with heat-pad
IC9602 HDMI RECEIVER
Before starting the diagnosis, wait for three minutes until the electricity of the unit is discharged.
• Ground Points
Please refer to “Ground Points”.
678
1. SERVICE PRECAUTIONS
1.1 NOTES ON SOLDERING
1.2 NOTES ON REPLACING
A
B
1.3 CAUTION
5
678
SC-68
C
D
E
F
5
Page 6
1
IR BUFFER ASSY
Accessory of Panel Base
IR Cover 85
D AMP ASSY
Rear Panel
BUFFER GND ASSY
BIND DM CABLE ASSY
Note : The right and left positions for the attachment positioning of digital amplifier block are gradual, however, adjust the
front and back positions correctly. For the positioning procedure, refer to "7. DISASSEMBLY".
When assembling the digital amplifier block, please note the following points of screws to prevent from short-circuit.
The following 7 points of screws must always be used AMZ30P060FTC
Points to be watched for swarf
If a screw at any of these points needs to be removed for service,
be sure to check that the swarf is not on the screw before refastening.
234
1.4 NOTES ON ASSEMBLING
A
B
C
D
E
F
6
1
234
SC-68
Page 7
5
Amplifier section
Continuous average power output*
8 Ω ................................................................................................................................. 140 W** per channel
6 Ω ..................................................................................... 190 W (SC-68)*** / 180 W (SC-67)*** per channel
* Measured pursuant to the Federal Trade Commission’s Trade Regulation rule on Power Output Claims for
Amplifiers
** 1 kHz with no more than 0.08 %**** total harmonic distortion
*** 1 kHz with no more than 1 %**** total harmonic distortion
**** Measured by Audio Spectrum Analyzer
Multi channel simultaneous power output (1 kHz, 1 %, 8 Ω)
9 ch total.......................................................................................................... 810 W (SC-68)/770 W (SC-67)
Continuous Power Output (1 kHz, 8 Ω, 0.08 %)
Front ..................................................................................................................................... 140 W + 140 W
Center ....................................................................................................................................140 W
Surround ............................................................................................................................... 140 W + 140 W
Surround back ....................................................................................................................... 140 W + 140 W
Front height/Front wide .......................................................................................................... 140 W + 140 W
Continuous Power Output (1 kHz, 6 Ω, 1.0 %)
In case of SC-68
Front ...................................................................................................................................... 190 W + 190 W
Center.....................................................................................................................................190 W
Surround ................................................................................................................................ 190 W + 190 W
Surround back ........................................................................................................................ 190 W + 190 W
Front height/Front wide........................................................................................................... 190 W + 190 W
In case of SC-67
Front....................................................................................................................................... 180 W + 180 W
Center.....................................................................................................................................180 W
Surround................................................................................................................................. 180 W + 180 W
Surround back
........................................................................................................................ 180 W + 180 W
Front height/Front wide........................................................................................................... 180 W + 180 W
Continuous Power Output (1 kHz, 4 Ω, 1.0 %)
In case of SC-68
Front....................................................................................................................................... 250 W + 250 W
Center.....................................................................................................................................250 W
Surround ................................................................................................................................ 250 W + 250 W
Surround back ....................................................................................................................... 250 W + 250 W
Front height/Front wide........................................................................................................... 250 W + 250 W
In case of SC-67
Front ...................................................................................................................................... 230 W + 230 W
Center ....................................................................................................................................230 W
Surround ............................................................................................................................... 230 W + 230 W
Surround back ....................................................................................................................... 230 W + 230 W
Front height/Front wide .......................................................................................................... 230 W + 230 W
Total harmonic distortion .............................................................................. 0.04 % (1 kHz, 130 W + 130 W, 8 Ω )
Guaranteed speaker impedance........................................................................................................... 4 Ω to 16 Ω
Audio Section
Input (Sensitivity/Impedance)
PHONO MM ............................................................................................................................... 5 mV/47 k Ω
LINE ........................................................................................................................................ 400 mV/47 k Ω
Output (Level/Impedance)
REC........................................................................................................................................400 mV/2.2 k Ω
Signal-to-Noise Ratio (IHF, short circuited, A network)
LINE .................................................................................................................................................... 103 dB
Tuner Section
Frequency Range (FM)......................................................................................................... 87.5 MHz to 108 MHz
HDMI output type.................................................................................................................................. 5 V, 55 mA
HDMI input/MHL terminal ......................................................................................................................... 5 V, 1 A
USB terminal........................................................................................... USB2.0 High Speed (Type A) 5 V, 2.1 A
USB terminal (SC-68 only)....................................................................................... USB2.0 High Speed (Type B)
iPod terminal............................................................................................................. USB, and Video (Composite)
ADAPTER PORT terminal ................................................................................................................. 5 V, 100 mA
WIRELESS LAN ADAPTER terminal ................................................................................................. 5 V, 600 mA
Integrated Control Section
Control (IR) terminal ...................................................................................................... ø 3.5 Mini-jack (MONO)
IR signal ............................................................................................................... High Active (High Level: 2.0 V)
12 V Trigger terminal ........................................................................................................ ø 3.5 Mini-jack (MONO)
12 V Trigger output type ...........................................................................................................12 V, Total 150 mA
RS-232C cable type .............................................................................................9-pin, cross type, female-female
EXTENSION terminal ......................................................................................................................... 5 V, 150 mA
Network Section
LAN terminal ..................................................................................................................10 BASE-T/100 BASE-TX
Miscellaneous
Power requirements .................................................................................................................... AC 120 V, 60 Hz
Power consumption.................................................................................................................................... 370 W
In standby............................................................................................... 0.1 W (HDMI Setup – Control : OFF)
0.3 W (HDMI Setup – Control : ON)
Dimensions ............................................................................................ 435 mm (W) x 185 mm (H) x 441 mm (D)
(17 1/8 in. (W) x 7 1/4 in. (H) x 17 3/8 in. (D))
Weight (without package)
SC-68 .................................................................................................................................. 17.8 kg (39.2 lb)
SC-67 .................................................................................................................................. 17.5 kg (38.6 lb)
Remote control unit .......................................................................................................................................... 1
AM loop antenna ............................................................................................................................................... 1
FM wire antenna ............................................................................................................................................... 1
THX, the THX logo Ultra2 Plus and Select2 Plus are trademarks of THX Ltd. which are registered in some jurisdictions.
All rights reserved. All other trademarks are the property of their respective owners.
Apple, AirPlay, iPad, iPhone, iPod, iPod nano, iPod touch, iTunes and Mac are trademarks of Apple Inc., registered in
the U.S. and other countries.
The AirPlay logo is a trademark of Apple Inc.
Windows and the Windows logo are trademarks of the Microsoft group of companies.
MHL, the MHL Logo, and Mobile High-Definition Link are trademarks or registered trademarks of MHL LLC in the
United States and other countries.
678
A
B
C
D
E
F
SC-68
5
678
9
Page 10
1
oidua gnidrager dekcehc eb ot metIoediv gnidrager dekcehc eb ot metI
Block noiseDistortion
Horizontal noiseNoise
FlickerVolume too low
Disturbed image (video jumpiness)Volume too high
Too darkVolume fluctuating
detpurretni dnuoSthgirb ooT
Mottled color
stniop kcehCserudecorP.oN
1
2
3
4
5
6
7
8
Confirm whether the customer complain has been solved.
If the customer complain occurs with the particular source,
such as Dolby Digital, DTS, AAC, DVD-A and HDMI, input it for
the operation check.
The customer complain must not be reappeared.
Video, Audio and operations must be normal.
Check the analog audio playback.
(Make the analog connections with a DVD player.)
Each channel audio and operations must be normal.
Check the digital audio playback.
(Make the digital connections with a DVD player.)
Each channel audio and operations m
ust be normal.
Check surround playback.
(Select Surround mode and check the multichannel operations
via the DSP circuit.)
Each channel audio and operations must be normal.
.lamron eb tsum snoitarepo dna oiduA.snoitarepo )MF dna MA( renut eht kcehC
Therefore, when replacing, be sure to use parts of identical designation.
When ordering service parts, be sure to refer to "EXPLODED VIEWSand PARTS LIST" or "PCB PARTS LIST".
The > mark found on some component parts indicates the importance of the safety factor of the part.
!
The mark found on some component parts should be replaced
with same parts(safety regulation authorized) of identical
designation.
678
A
5
678
SC-68
B
C
D
E
F
15
Page 16
1
COAX2(SAT/CBL)
OPT IN1(TV)
OPT IN2(DVR/BDR)
COAX1(DVD)
DAC
AK4480EF
X5
TX1
LPF
JA2009
JA2010
JA2011
HDMI IN5(MHL IN)
MIC
DVR OUT
ZONE2 SW OUT
HP
SW DownMix
JA3471
JA8002
IC2701, IC2702
JA6701
JA2504
JA3476
ZONE3 OUT
JA6701
HEADPHONE
AMP
<<AUDIO ZONE OUT>>
MIC Amp
IC3471
NJM4565MD
IC2011(FL,FR)
IC2012(C,SW)
IC2013(SL,SR)
IC2014(SBL,SBR)
IC2017(FHL,FHR)
IC2003(FL,FR)
IC2005(C,SW)
IC2006(SL,SR)
IC2007(SBL,SBR)
IC2018(FHL,FHR)
IC2451
(ZONE2)
LPF
I2S
A/D BUFFER
IC2401,2402
NJM4565MD
USB
JA8001
OPT OUT1
IC2801
NJM4565MD
JA2008
IC2001
DIR&DIT
AK4118AEQ
IC2501
IC2431
ADC
PCM1804DB
I2S(DATA)
I2S(BCK,LRCK)
(SBL,SBR)
(FL,FR,C,SW,SL,SR,FHL,FHR)
IC9204
MNP
DM860A
IC9602
HDMI PORT
PROCESSER
SII9575CTUC
HDMI IN4
(VIDEO)
HDMI IN6
IC903
HDMI RX
SII9233ACTU
HDMI OUT1
IC9002
1st DSP
D808K013CPTP400
IC1609
HDMI
TRANSMITTER
SII9573CTUC
JA9603
JA9604
JA1601
HDMI IN7
JA9608
JA1602
HDMI OUT2
NETWORK
JA9202
IC9203
ETHERNET
PHYCEIVER
LAN8700C-AEZG
I2S(FL,FR)
IC1814
ZONE2
USB/NET
SELECTOR
BD
JA9601
I2S(except FL,FR)
BT
HDMI IN3
(DVR/BDR)
JA9602
HDMI IN2
(SAT/CBL)
JA9607
JA2102
IC9702
2nd DSP
D808K013CPTP400
ZONE2
ZONE2 OUT
JA6701
ZONE2 SW Amp
IC6701
NJM4565MD
IC6703
ZONE2
SELECTOR
IC6702
HPF
IC2471
ZONE2 DAC
AK4388ET
HDMI IN1
(DVD)
JA9606
HDMI ZONE4 OUT
JA1603
USB-DAC
JA5501
IC5503
DIG-AUDIO
IC
I2S
Refer to the “4-4 BLOCK DIAGRAM FOR
DIGITAL MAIN AUDIO BLOCK”
A
B
C
G
K
AUDIO ASSY
DAC HIGH ASSY
FRONT HDMI
USB ASSY
DIGITAL MAIN ASSY
MIC HP ASSY
K
MIC HP ASSY
F
USB DAC ASSY
234
4.2 BLOCK DIAGRAM FOR AUDIO BLOCK
• SC-68
A
B
C
D
E
F
16
1
SC-68
234
Page 17
MIC
TV/SAT
VIDEO
CD
PREOUT FL/FR
PREOUT SW1
PREOUT SL/SR
PREOUT SBL/SBR
DVR OUT
SP FL/FR
SP C
SP SL/SR
SP SBL/SBR
HP
SW DownMix
JA3471
IC2701, IC2702
JA2502
JA2504
SW PRE Amp
IC2751
<<POWER AMP>>
JA2504
JA3476
JA4101
JA4101
JA4301
JA4501
JA3101
JA3101
JA3201
JA3201
PREOUT C
JA3101
DVD
DVR
JA2501
JA2501
HEADPHONE
AMP
<<POWER AMP
INPUT BUFFER>>
IC6821,
IC6841
IC6801
IC6861,
IC6881
IC6901,
IC6921
<<PREOUT>>
MIC Amp
IC3471
NJM4565MD
NJM4565MD
IC2801
NJM4565MD
JA2505
PREOUT FHL/FHR
JA3201
IC3221
PRE SELECTOR
SP FHL/FHR
JA4901
RY4500,RY5000
TUNER Module
IC3271
IC2501
Selector / Volume / PRE Amp
BD3473KS2
IC7491
L/R
SELECTOR
SW PRE Amp
IC2751
NJM4565MD
JA3102
PREOUT SW2
PREOUT FWL/FWR
JA3202
IC3272
IC3273
Selector / Volume / PRE
Amp
BD3473KS2
IC7451,
IC7471
SP FWL/FWR
JA5101
ZONE2
ZONE3
ZONE2
ZONE3
IC3101
IC3151
IC3201
IC3251
PHONO
JA2503
EQ Amp
IC2661
NJM4565MD
MULTI IN L/R
MULTI IN C/SW
MULTI IN SBL/SBR
JA7761
JA7762
MULTI IN SL/SR
JA7761
JA7762
K
P
S
MIC HP ASSY
IR BUFFER
ASSY
D AMP ASSY
K
MIC HP ASSY
E
MULTI CH IN ASSY
MCH
BRIDGE
ASSY
AH
5
678
A
B
C
D
5
678
SC-68
E
F
17
Page 18
• SC-67
COAX2(SAT/CBL)
OPT IN1(TV)
OPT IN2(DVR/BDR)
COAX1(DVD)
DAC
AK4480EF
X5
TX1
LPF
JA2009
JA2010
JA2011
HDMI IN5(MHL IN)
MIC
DVR OUT
ZONE2 SW OUT
HP
SW DownMix
JA3471
JA8002
IC2701, IC2702
JA6701
JA2504
JA3476
ZONE3 OUT
JA6701
HEADPHONE
AMP
<<AUDIO ZONE OUT>>
MIC Amp
IC3471
NJM4565MD
IC2011(FL,FR)
IC2012(C,SW)
IC2013(SL,SR)
IC2014(SBL,SBR)
IC2017(FHL,FHR)
IC2003(FL,FR)
IC2005(C,SW)
IC2006(SL,SR)
IC2007(SBL,SBR)
IC2018(FHL,FHR)
IC2451
(ZONE2)
LPF
I2S
A/D BUFFER
IC2401,2402
NJM4565MD
USB
JA8001
OPT OUT1
IC2801
NJM4565MD
JA2008
IC2001
DIR&DIT
AK4118AEQ
IC2501
IC2431
ADC
PCM1804DB
I2S(DATA)
I2S(BCK,LRCK)
(SBL,SBR)
(FL,FR,C,SW,SL,SR,FHL,FHR)
IC9204
MNP
DM860A
IC9602
HDMI PORT
PROCESSER
SII9575CTUC
HDMI IN4
(VIDEO)
HDMI IN6
IC903
HDMI RX
SII9233ACTU
HDMI OUT1
IC9002
1st DSP
D808K013CPTP400
IC1609
HDMI
TRANSMITTER
SII9573CTUC
JA9603
JA9604
JA1601
HDMI IN7
JA9608
JA1602
HDMI OUT2
NETWORK
JA9202
IC9203
ETHERNET
PHYCEIVER
LAN8700C-AEZG
I2S(FL,FR)
IC1814
ZONE2
USB/NET
SELECTOR
BD
JA9601
I2S(except FL,FR)
BT
HDMI IN3
(DVR/BDR)
JA9602
HDMI IN2
(SAT/CBL)
JA9607
JA2102
IC9702
2nd DSP
D808K013CPTP400
ZONE2
ZONE2 OUT
JA6701
ZONE2 SW Amp
IC6701
NJM4565MD
IC6703
ZONE2
SELECTOR
IC6702
HPF
IC2471
ZONE2 DAC
AK4388ET
HDMI IN1
(DVD)
JA9606
HDMI ZONE4 OUT
JA1603
Refer to the “4-4 BLOCK DIAGRAM FOR
DIGITAL MAIN AUDIO BLOCK”
A
B
C
G
K
AUDIO ASSY
DAC HIGH ASSY
FRONT HDMI
USB ASSY
DIGITAL MAIN ASSY
MIC HP ASSY
K
MIC HP ASSY
A
1
234
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C
D
E
F
18
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5
MIC
TV/SAT
VIDEO
CD
PREOUT FL/FR
PREOUT SW1
PREOUT SL/SR
PREOUT SBL/SBR
DVR OUT
SP FL/FR
SP C
SP SL/SR
SP SBL/SBR
HP
SW DownMix
JA3471
IC2701, IC2702
JA2502
JA2504
SW PRE Amp
IC2751
<<POWER AMP>>
JA2504
JA3476
JA4101
JA4101
JA4301
JA4501
JA3101
JA3101
JA3201
JA3201
PREOUT C
JA3101
DVD
DVR
JA2501
JA2501
HEADPHONE
AMP
<<POWER AMP
INPUT BUFFER>>
IC6821,
IC6841
IC6801
IC6861,
IC6881
IC6901,
IC6921
<<PREOUT>>
MIC Amp
IC3471
NJM4565MD
NJM4565MD
IC2801
NJM4565MD
JA2505
PREOUT FHL/FHR
JA3201
IC3221
PRE SELECTOR
SP FHL/FHR
JA4901
RY4500,RY5000
TUNER Module
IC3271
IC2501
Selector / Volume / PRE Amp
BD3473KS2
IC7491
L/R
SELECTOR
SW PRE Amp
IC2751
NJM4565MD
JA3102
PREOUT SW2
PREOUT FWL/FWR
JA3202
IC3272
IC3273
Selector / Volume / PRE
Amp
BD3473KS2
IC7451,
IC7471
SP FWL/FWR
JA5101
ZONE2
ZONE3
ZONE2
ZONE3
IC3101
IC3151
IC3201
IC3251
PHONO
JA2503
EQ Amp
IC2661
NJM4565MD
K
P
S
MIC HP ASSY
IR BUFFER
ASSY
D AMP ASSY
K
MIC HP ASSY
678
A
B
C
D
E
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1
HDMI Rx
Silicon Image
"SiI9233"
PortProcessor
SiliconImage
"SiI9575"
Video Decoder
Analog
Devices
"ADV7181C"
Gate Array
SEIKO EPSO
"PE7008A"
LAN PHY
SMCS
"LAN8700"
Media Processor
BRIDGE CO
"DM860A"
SDRAM-166
256Mb(16Mx16)
FLASH ROM
1Gb
iPod
Authentication IC
"341S2162"
36.864MHz
28.63636MHz
27MHz
HDMI IN6
HDMI IN3
HDMI BDIN
HDMI IN1
HDMI IN2
HDMI
/IN5
/MHL
DDC
Buffer
COMPOSITE
COMPONENT
Pb
Pr
ETHERNET
More than VDEC 480p output
CK:27MHz-74.25MHz
/DT:16bit/DE,VS,HS
D-DAC BRIDGE ASSY
CN3781 14,15,16 ,18 pin
Clock, Data
Yes
No
Zone3 Audio no output
(MAIN is OK)
IR BUFFER ASSY
CN6803 1,6 pin Signal
Diagnose or replace
IR BUFFER ASSY
No
Yes
IR BUFFER ASSY
CN6802 3,8,13,18 pin,
CN6803 11,16,21 pin Signal
No
Yes
When headphone is
connected,speaker
relays turn off
(hear relay click sound)
Yes
No
Check MIC HP ASSY
CN3472 7 pin(XHPDET)
When headphone is
connected, + 3.3V 0V
Diagnose MIC HP ASSY
(arround Q3451)
or replace MIC HP ASSY
Check CONNECTORs and FFCs
MIC HPF-IN BRIDGEINTERFACEFB-CONNECTFRONT BRIDGE
AUDIOD-AUDIO BRIDGE
DIGITAL MAIN ASSY
No Problem /
No Damage
No
Yes
Diagnose or replace
DIGITAL MAIN ASSY
Diagnose or replace
DIGITAL MAIN ASSY
Check the signal path of audio
output signals in AUDIO ASSY
or replace AUDIO ASSY
Diagnose or replace
D AMP ASSY
Diagnose or replace
IR BUFFER ASSY
Diagnose DAC HIGH
ASSY(AD or DIR part is NG)
Go to Flow [B]
Check the audio signal in AUDIO ASSY
[CN2502 5,7,9,11,13,15,17,19 pin
IC2501 or IC3273(IC3221)
IC2751,IC3151,IC3201,IC3251,IC3271,
IC3272Preout terminals]
or replace AUDIO ASSY
Check the audio signal in AUDIO ASSY
(Selected input terminalIC2501
CN2502 25,27 pin)
or replace AUDIO ASSY
Diagnose DAC HIGH ASSY
(DA part is NG) Go to Flow [B]
Check the audio signal in AUDIO ASSY
(CN2502 21,23 pin IC2702IC2501
IC3101JA3101)
or replace AUDIO ASSY
Check the audio signal in AUDIO ASSY
(IC2501 34,35 pin
JA6701 Zone 2 OUT terminal)
or replace AUDIO ASSY
Check the audio signal in AUDIO ASSY
(CN2502 1, 3 pin IC2501) or replace
AUDIO ASSY
Diagnose DAC HIGH ASSY
(DA part is NG) Go to Flow [B]
Diagnose or replace
DIGITAL MAIN ASSY
Check the audio signal in AUDIO ASSY
(IC2501 77,78 pinJA3206 Zone 3 OUT terminal)
or replace AUDIO ASSY
Set"STEREO"mode with
STANDARD SURROUND key.
When speakers set ON/OFF
with SPEAKERs key, is INTER
FACE ASSY CN7006 9 pin
changed 0 5V ?
Yes
DIGITAL MAIN ASSYCN603
14 pin changed 0 5V?
Check IC612 11, 13 pin on
DIGITAL MAIN ASSY. If it is OK,
repalce DIGITAL MAIN ASSY
No
No
Yes
Check relay signal path between
INTERFACE ASSY and DIGITAL MAIN ASSY
Analog in (e.g CD)
Select EXT. STEREO
When speakers set ON/OFF with SPEAKERs key, is INTERFACE
ASSY CN7006 6,7,8,10 pin
changed 05V?
Analog in (e.g CD)
Select EXT.
STEREO
Yes
Yes
DIGITAL MAIN ASSY CN602
2 pin, CN603 11, 12, 13 pin
No
Check relay ON/OFF signal at
IC612 and IC601 on DIGITAL MAIN ASSY.
If it is OK, repalce DIGITAL MAIN ASSY
No
Check relay signal path
between INTERFACE ASSYand DIGITAL MAIN ASSY
Only iPodUSB and HMG
can be selected for zone 2
digital input.
BD,HDMI can't be selected.
It's specification.
Yes
Analog inoutput
from Zone 3 line
No
Yes
Digital inoutput
from Zone 3 line out?
No
Yes
Zone line out is OK, but speaker out NG.
Zone speaker out takes same signal path as
one of main channels.(It can be selected by
SP system setting.)
Refer to speaker (front is OK) flow.
Which channels correspond to zone, refer to
instruction manual.
Only iPodUSB and HMG
can be selected for zone 3
digital input.
BD,HDMI can't be selected.
It's specification.
C
C
changed 05V?
B
Check CONNECTORSand FFCs
MIC HPF-IN BRIDGE
INTERFACEFB-CONNECT
FRONT BRIDGEAUDIO ASSY
678
A
B
C
D
5
678
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33
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A
BT in
(Other Analog OK)
Tuner
(Other Analog OK )
USB in
(Other Digital OK)
Front HDMI in
Rec out no output
(PreOUT is OK)
Same input Function?
It is specification.
Yes
No
Rear HDMI inoutput
Diagnose FRONT HDMI USB ASSY
(arround IC8003) or replace
FRONT HDMI USB ASSY or HDMI
Cable from FRONT HDMI USB Assy
Yes
No
Check DIGITAL MAIN
ASSY CN9202
2,3 pin Digital Signal
Diagnose FRONT HDMI USB ASSY
(arround IC8001,IC8004,JA8001,CN8001)
or replace FRONT HDMI USB ASSY
Diagnose or replace
DIGITAL MAIN ASSY
AUDIO ASSY CN3902
7,9 pin Signal
AUDIO ASSY CN3902
8 pin +5V
Yes
No
Yes
Replace TUNER MODULE
No
A-DAC BRIDGE ASSY
CN3792 12,14 pin Signal
Yes
No
Diagnose DAC HIGH ASSY
(arround IC2473,
audio signal JA 2102 CN 2104)
or replace DAC HIGH ASSY
FRONT HDMI USB ASSY
JP8001 1 pin +13V
Yes
No
USB RECT ASSY
FU10 Open
Replace FU10
Yes
No
Repair or replace
USB RECT ASSY
Yes
No
MEDIA SERVER in
(Other Digital OK)
Check the audio signal in AUDIO ASSY
(IC2501 71,72 pinJA2504 DVR OUT terminal)
or replace AUDIO ASSY
Check the audio signal in AUDIO ASSY
(CN3902 7,9 pinIC2501)
or replace AUDIO ASSY
Diagnose AUDIO ASSY
(circuits arround Q3901)
or replace AUDIO ASSY
Check the audio signal in AUDIO ASSY
(CN3001 12,14 pinIC 2501 )
or replace AUDIO ASSY
Diagnose or replace
DIGITAL MAIN ASSY
Diagnose DIGITAL MAIN ASSY
(arround IC9204,IC9203)
or replace DIGITAL MAIN ASSY
Phono in
(Other Analog OK)
Diagnose AUDIO ASSY
(circuits arround IC2661)
or replace AUDIO ASSY
USB DAC in
(Other Digital OK)
Diagnose USB DAC ASSY
(arround IC5503,IC5512,X5501,X5502,
X5503) or replace USB DAC ASSY
Diagnose or replace
DIGITAL MAIN ASSY
No
MHL in
(Front HDMI in OK)
Diagnose FRONT HDMI
USB ASSY
arround Q8014 - Q8016
Replace FRONT HDMI
USB ASSY
Cable or Source
device confirm
No
Yes
SC-68 only
B
B
1
234
C
D
E
F
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234
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Flow [A]
AUDIO ASSY diagnostic
AUDIO ASSY
JP3001 2,5 pin ±12V
No
Check ±12V power supply path
REG
A REG BRIDGEAUDIO ASSY
ALL NG
Other results
Repair or replace NG point
Diagnose REG ASSY
(arround IC7501,IC7502)
or replace REG ASSY
AUDIO ASSY
CN2861 11,12,13 pin
Clock,Data
when master volume is
changed
Yes
Diagnose or replace
DIGITAL MAIN ASSY
No
Yes
Continue the following flow or
replace AUDIO ASSY
AUDIO ASSY
C3025,3026 ± 7V
No
Diagnose the circuits
arround Q3001,Q3002
AUDIO ASSY
Check IC2501,IC3273
power supply pins
(13 pin:+7V, 9 pin: -7V)
Yes
NG
Check the power supply path
AUDIO ASSY
Check IC2501,IC3273
clock(10 pin), data pins(11 pin)
OK
OK
NG
Check the clock, data signal path
Input the analog audio signal,
set to "Pure Direct",
Check the analog signal path
IN:OK,OUT:NG
at IC2501
Replace IC2501
Other results
Dignose and repair NG point
e.g. if selecting "CD", check
INL11 58 pin / INR11 57 pin,
outputs is FROUT 8 pin / FLOUT 7 pin
5
678
A
B
C
D
E
F
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678
35
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A
Flow [B]
DAC HIGH ASSY
diagnostic
DAC HIGH ASSY
CN2104 9,10 pin +6V
Check +6V power supply path
REG
A REG BRIDGEAUDIO
A-DAC BRIDGEDAC HIGH ASSY
No
ALL NG
Other results
Repair or replace NG point
Diagnose REG ASSY
(arround IC7521)
or replace REG ASSY
DAC HIGH ASSY
CN2101 18,19 pin +5V
Yes
No
Yes
Check +5V power supply path
DIGITAL MAIN
D-DAC BRIDGE
DAC HIGH ASSY
ALL NG
Other results
Repair or replace NG point
Diagnose DIGITAL MAIN ASSY
(arround IC9504)
or replace DIGITAL MAIN ASSY
Yes
DAC HIGH ASSY
Check the control signals
CN2101
15 pin DSPCK
16 pin DSPSO
10 pin DACS
3 pin DIRCS
When function is changed,
do clock,data,cs signals come?
Diagnose or replace
DIGITAL MAIN ASSY
No
Yes
Continue the following flow or
replace DAC HIGH ASSY
Diagnose NG part of
DAC HIGH ASSY
DA part (MAIN)
around IC2011-2014,2017
DA part (zone 2)
arround IC2471
AD part
arround IC2431
DIR part
arround IC2001
B
1
234
C
D
E
F
36
1
234
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5
NO PICTURE
This is just for general reference and does not including every single case.
No Picure
Composite in
Composite out or
zone 2 Video out
Component in
Component out or
zone 2 Component out?
HDMI inHDMI out?
Composite
(Component) in
HDMI out?
GUI?
iPod Video in
Composite out?
Rear Composite in
Composite out
Yes
No
Diagnose or replace
MIC HP ASSY
Diagnose or replace
DIGITAL MAIN ASSY
HDMI in
HDMI Zone4 out?
Diagnose or replace
DIGITAL MAIN ASSY
Check MIC HP ASSY
MIC CONNECT ASSY
COMPONENT ASSY
conection
No Problem
Problem
Replace or repair
problem point
Analog Video IN?
Check
COMPONENT ASSY
CN8303 Video signals
IN:OK,OUT:NG
IN:NG,OUT:NG
Diagnose COMPONENT ASSY
(arround IC8301)
or replace COMPONENT ASSY
Diagnose COMPOSITE ASSY
(input circuits)
or replace COMPOSITE ASSY
IN:OK,OUT:OK
Diagnose COMPOSITE ASSY
(output circuits)
or replace COMPOSITE ASSY
Diagnose or replace
DIGITAL MAIN ASSY
Diagnose or replace
DIGITAL MAIN ASSY
678
A
B
C
D
E
F
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1
This is just for general reference and does not including every single case.
12V Trig
RS-232C
RF Remote
IR/SR
12VTrig
IR/SR
RS-232C
Check INTERFACE ASSY
CN7002 4pin +12V
No
Remote Control
Check the signal path of
IR-IN,SR-IN,RMC
INTERFACE
CONNECT
DIGITAL MAINDISPLAY
BRIDGE
DISPLAY ASSY
No
Yes
Diagnose COMPONENT ASSY
(arround IC8601)
or replace COMPONENT ASSY
No
Diagnose INTERFACE ASSY
(IR,SR circuits)
or replace INTERFACE ASSY
RF Remote
No
INTERFACE ASSY
JA7002 1pin +5V
Yes
Check INTERFACE ASSY
C7108 +5.6V
No
Is 232C OK?
NG
OK
It's problem of the RF
Receiver Box or RF
Remote Controler
No
Diagnose INTERFACE ASSY
(Circuits arround Q7008,Q7010)
or replace INTERFACE ASSY
Yes
No
ALL NG
Other results
Repair or replace
NG point
Diagnose REG ASSY
(Circuits arround IC7551)
or replace REG ASSY
Still NG
Check the signal path of 232RX,232TX
COMPONENT
DIGITAL MAINREG-
DISPLAY ASSY (IC3001 )
and check the power supply path of V+5R6_EV
PRIMARY
DIGITAL MAINCOMPONENT ASSY
No
Diagnose INTERFACE ASSY
(circuits arround Q7022)
or replace INTERFACE ASSY
Yes
Check the power supply of V+5R6_EV
PRIMARY
DIGITAL MAINCONNECT
INTERFACE ASSY
NG
Repair or replace
NG point
No problem
Diagnose DISPLAY ASSY
(IR,SR,RMC signal path,
arround U3201)
or replace DISPLAY ASSY
OTHER
Check V+12_TRG power supply path
REGFRONT BRIDGE
FB-CONNECTINTERFACE ASSY
A
234
B
C
D
E
F
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5
[1] Protection Circuit Process List
Amplifier Circuit
ItemPurposeDetection MethodStatus of Equipment Warning IndicationRemarks
Overheat
detection
Detects MOS FET
temperature of amplifier output
stage
Detects when TEMPERR PORT
becomes "L" in case of the
detecting temperature exceeds
95°C or rapid change by short
cuicuit of speaker terminals.
(IC3001 72pin)
Blinks FL OFF LED
indicator.
Recoverable by power-on
after shutdown in one
minute.
MAXTEMP voltage
5V-1.8V : FANLOW
1.8V or less : FANHIGH
Detects when MAXTEMP port
becomes below 1.9V at NTC
Thermistor detect circuit.
(IC3001 2pin)
Fan rotates by power-on.
DC
detection
Detects DC of amplifier output
(After LPF)
Detects when SP output exceeds
DC ± 7V and DCERR port
becomes "L". (IC3001 80pin)
MUTE on and Speaker
Relay off.
Flashes “AMP ERR”.
Shuts down when
abnormality continues for
more than 3 seconds.
MUTE on and Speaker
Relay off.
Flashes “AMP ERR”.
Shuts down when
abnormality continues for
more than 3 seconds.
Blinks ADVANCED
MCACC LED
Blinks FL OFF LED
indicator.
In case of detecting DC
abnormality during normal
operation. Recoverable by
power-on after 1 minute.
In case of detecting DC
abnormality during
power-on sequence after
the DC was once detected.
Recoverab
le by only DC
DETECT cancel.
Refer to “How to Enter
Release Mode” .
Fan abnormality
detection
Detects a Fan not rotating by
loose connector or Fan lock
when controling the Fan rotation
Detects when FANDET port
becomes "L". (IC3001 87pin)
Flashes "FAN STOP"
Shuts down when
abnormality continues for
more than 3 seconds.
Blinks iPod iPhone iPad
LED
Blinks iPod iPhone iPad
LED
Blinks iPod iPhone iPad
LED
Recoverable by power-on
Recoverable by power-on
Recoverable by power-on
Zobel
detection
Protects overcurrent by Zobel
Resistance when high power
output of higher frequency
continued
Detects OLERR port becomes "L".
(IC3001 71pin)
Shuts down
Shuts down
Shuts down
Overcurrent
detection
Protects overcurrent of MOS
FET in output stage when
overcurrent flows at the output
stage
Detects OLERR port becomes "L".
(IC3001 71pin)
During Standby mode, simultaneously press and hold the "TUNE [] " and "MULTI-ZONE ON/OFF" keys
for 5 seconds.
[How to Enter Release Mode]
Flashes "OVERHEAT"
Shuts down when
abnormality continues for
more than 3 seconds.
Detects abnormal in the
Amplifier Power Supply
Blinks ADVANCED
MCACC LED
Recoverable by only DC
DETECT cancel.
Refer to “How to Enter
Release Mode” .
Amplifier
Power
Supply
failure
detection
Detects B-Power Supply Voltage
exceeds
± 75V or
falls below
± 20V
and BERR port becomes "L".
(IC3001 84pin)
678
5.2 CIRCUIT DESCRIPTION
A
B
C
D
E
F
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Overheat Detection
D AMP ASSY
S
AMPTEMP
INTERFACE
ASSY
H
CN7006
-4
-5
CN7004
-6
-9
CN7003
XTEMSD5
AMPTEMP
2
72
UCOM
IC3001
CN3001
-11
-2
DISPLAY
ASSY
L
DIGITAL MAIN
ASSY
G
CN603
-9
-7
CN602
CN601
-22
-38
CN7901
-18
-2
CN7902
-29
-38
CONNECT
ASSY
Y
CN7804
-6
-9
CN7803
CN7801
-9
-7
CN7802
CN4000
-15
-16
XTEMPERR5
IC4404IC4604IC4704IC4804
TEMP_OUT
TEMP_OUT
S
2/7
S
3/7
TEMP_OUT
S
4/7
TEMP_OUT
S
5/7
TEMP_OUT
S
6/7
C4024
100u/10
ACH1479-A-TS
10u/16
C4023
CEHVW
C4040
1.0u/50
YB
C4026
0.1u/50
YB
C4022
1.0u/50
D4005
1SS355
GND_TP
GND_TP
GND_TP
GND_TP
GND_TP
IC4005
HA17431GLTPA
IC4001
BU7262SFVM
(1/2)
3
4
GND
2
1
8
VCC
IC4001
BU7262SFVM
(2/2)
5
4
GND
6
7
8
VCC
R4059
100
R4054
3.3k
R4025
100
R4024
R4094
2.2k
R4055
22k
R4056
470k
R4022 100
R4061
33k 1%
R5031
100
R4064
47k
R4097
100
R4062
3.3k
R4058
68k
R4060
56k 1%
R4057
470
2125
1/8W
R4021 220
R5033
12
R4069
10
R4006
NM
R5032
100
V+5V_S
OVER HEAT
DETECT CIRCUIT
!
!
C4153
NM
YB
C4253
NM
YB
C4252
NM
YB
C4258
0.01u/50
YB
C4251
NM
YB
C4151
NM
YB
C4152
NM
YB
GND_TPGND_TP
GND_TP
GND_TP
GND_TP
GND_TP
GND_TP
GND_TP
GND_TP
*IC4204
NJM12904V
3
4
GND
2
1
8
VCC
*IC4204
NJM12904V
5
6
7
Q4208
2SC4154-11(EF)
Q4108
2SC4154-11(EF)
2SA1514K(RS)
Q4110
ISA1602AM1(EF)
Q4111
2SA1514K(RS)
Q4210
ISA1602AM1(EF)
Q4211
R4168
47k
1%
R4269
39k
1%
R4263
2.7k
1%
R4267
1k
1%
*R4275
100
R4170
1k
R4245
4.7k
1%
R4163
2.7k
1%
R4166
10k
1%
R4270
1k
R4268
47k
1%
R4169
39k
1%
R4203
10k
R4103
10k
R4266
10k
1%
R4167
1k
1%
R4145
4.7k
1%
*R4110
10k
*R4210
10k
NTCG104KF104FB
R4281
NTCG104KF104FB
R4181
V+5V_S
VD1
VD2
TEMP
DISPLAY BRIDGE
ASSY
AF
A
B
C
234
D
E
F
40
SC-68
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DC Detection
CN4000
-17
D AMP ASSY
S
XDCERR
330p/50 CH
GND
R4026
100
R4023 100
L4100
ATH7090-A
R4157
DC_DETECT1
DC_DETECT3
IC4201
IC4203
S
2/7
S
3/7
DC_DETECT5
S
4/7
DC_DETECT2
S
5/7
DC_DETECT4
S
6/7
IC4401
IC4403
IC4301
IC4302
IC4601
IC4603
IC4501
IC4502
IC4701
IC4703
IC4801
IC4803
IC4901
IC4902
INTERFACE
ASSY
H
CN7006
-3
CN7004
-7
XDCERR
80
UCOM
IC3001
CN3001
-3
DISPLAY
ASSY
L
DIGITAL MAIN
ASSY
G
CN603
-8
CN601
-34
CN7901
-6
CN7902
-37
CONNECT
ASSY
Y
CN7804
-7
CN7801
-8
!
!!!!
!!!
DISPLAY BRIDGE
ASSY
ACH7321-A
C4010
330u/10
ACH7321-A
C4036
330u/10
ACH7321-A
*C4053
330u/10
ACH7321-A
C4052
330u/10
ACH7321-A
C4008
330u/10
C4043
NM
C4042
NM
CH
C4041
NM
*C4055
NM
C4054
NM
C4030
NM
C4028
NM
YB
C4037
NM
GND_DC
GND_DC
GND_DC
GND_DC
GND_DC
GND_DC
GND_DC
GND_DC
HN1C01FU(YGR)
Q4029
E1
1
B1
2
C2
3E24
5
B2
6
C1
HN1C01FU(YGR)
Q4016
E1
1
B1
2
C2
3E24
5
B2
6
C1
HN1C01FU(YGR)
Q4014
E1
1
B1
2
C2
3E24
5
B2
6
C1
HN1C01FU(YGR)
*Q4028
E1
1
B1
2
C2
3E24
5
B2
6
C1
HN1C01FU(YGR)
Q4027
E1
1
B1
2
C2
3E24
5
B2
6
C1
Q4021
2SC4154-11(EF)
ISA1602AM1(EF)
Q4020
R4040
47k
R4000
5.6k
*R4079
5.6k
R4017
0
R4019
NM
R4027
5.6k
R4068
100
R4018
0
R4032
47k
R4033
47k
R4066
470k
R4090
5.6k
R4078
5.6k
V+5V_S
DC_DETECT4
DC_DETECT1
DC_DETECT5
DC_DETECT2
DC_DETECT3
DCdetRY
DC DETECT
CIRCUIT
S
4/7
S
6/7
S
3/7
S
2/7
S
5/7
C4013
!
!
!
!
ACH7376-A
C4134
ACH7376-A
C4136
C4113
0.1u/50
YB
C4122
0.01u/16
CFHXSQ103J16-T
C4112
1.0u/50
YB
C4147
NM
YB
C4148
NM
YB
C4160
ACG7107-A
100p/3150
C4159
ACG7107-A
100p/3150
C4175
ACG7105-A
0.1u/250
C4161
ACG7105-A
0.1u/250
D4117
RF071M2S
D4101
1SS355
D4118
CMH07
GNDS
IC4102
NJM2830U1-12
CONT1GND2NC
3
VOUT
4
5
VIN
IRS2092SPBF
IC4101
VAA
1
GND
2
IN-
3
COMP
4
5
CSD
6
VSS
7
VREF
8
OCSET
9
DT
10
COM
11
LO
12
VCC
13
VS
14
HO
15
VB
16
CSH
Q4101
IRF6775MPBF-TRB
SOURCE1
1
SOURCE2
2
GATE3DRAIN1
4
DRAIN2
5
DRAIN3
6
DRAIN4
7
Q4102
IRF6775MPBF-TRB
SOURCE1
1
SOURCE2
2
GATE3DRAIN1
4
DRAIN2
5
DRAIN3
6
DRAIN4
7
R4133
ACN7197-A
3216
100k
R4130
10k
2125
R4139
10
2125
R4129
1.8k
2125
R4146
NM
R4142
ACN7189-B
6432
10
R4197
0.47
2125
R4137
ACN7165-A
3216
10
R4143
ACN7189-B
5025
10
R4104
NM
R4131
7.5k
2125
R4135
7.5k
2125
R4140
ACN7165-A
R4196
0.47
2125
R4132
8.2k
2125
R4136
2.4k
2125
R4118
0
R4198
0.47
2125
68k
R4134
10k
2125
R4147
NM
R4141
ACN7165-A
3216
10
R4138
4.7
2125
R4177
ACN7197-A
3216
100k
R4195
0.47
2125
R4186
0.47
2125
R4193
1
2125
R4102
1
R4108
1
R4109
15k
VD2
VSS+12V
VS2
V-5VFILT2
PWM2
DRIVER
AF
5
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D
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Zobel Detection
Over Current Detection of MOS FET in Output Stage
D AMP ASSY
S
L4100
ATH7090-A
AMPOVERLOAD
IC4201
IC4203
S
2/7
S
3/7
S
4/7
S
5/7
S
6/7
INTERFACE
ASSY
H
CN7006
-15
CN7003
-8
XOLERR
71
UCOM
IC3001
CN3001
-33
DISPLAY
ASSY
L
DIGITAL MAIN
ASSY
G
CN603
-7
CN601
-33
CN7901
-7
CN7902
-7
CONNECT
ASSY
Y
CN7803
-8
CN7801
-7
C4100
0.1u/100
CFTLA104J2A-T
AMPOVERLOAD
AMPOVERLOAD
AMPOVERLOAD
AMPOVERLOAD
C4021
GND
R4045
47k
R4043
100
R4044
1.5k
V+5V_S
AMPOVERLOAD
S
2/7 - 6/7
XOLERR
!
!
!
!
!
!
!
!
NM
CH
!
!
!
!
ACH7376-A
C4134
ACH7376-A
C4136
C4157
NM
C4156
0.047u/50
C4113
0.1u/50
YB
C4122
0.01u/16
CFHXSQ103J16-T
C4112
1.0u/50
YB
C4147
NM
YB
C4148
NM
YB
C4160
ACG7107-A
100p/3150
C4159
ACG7107-A
100p/3150
C4175
ACG7105-A
0.1u/250
C4161
ACG7105-A
0.1u/250
D4117
RF071M2S
D4101
1SS355
D4119
1SS355
D4118
CMH07
GNDS
IC4102
NJM2830U1-12
CONT1GND2NC
3
VOUT
4
5
VIN
IRS2092SPBF
IC4101
VAA
1
GND
2
IN-
3
COMP
4
5
CSD
6
VSS
7
VREF
8
OCSET
9
DT
10
COM
11
LO
12
VCC
13
VS
14
HO
15
VB
16
CSH
Q4101
IRF6775MPBF-TRB
SOURCE1
1
SOURCE2
2
GATE3DRAIN1
4
DRAIN2
5
DRAIN3
6
DRAIN4
7
Q4102
IRF6775MPBF-TRB
SOURCE1
1
SOURCE2
2
GATE3DRAIN1
4
DRAIN2
5
DRAIN3
6
DRAIN4
7
Q4104
2SC4154-11(EF)
R4133
ACN7197-A
3216
100k
R4130
10k
2125
R4139
10
2125
R4153
22k
R4129
1.8k
2125
R4146
NM
R4142
ACN7189-B
6432
10
R4197
0.47
2125
R4137
ACN7165-A
3216
10
R4143
ACN7189-B
5025
10
R4104
NM
R4131
7.5k
2125
R4135
7.5k
2125
R4140
ACN7165-A
R4196
0.47
2125
R4132
8.2k
2125
R4136
2.4k
2125
R4118
0
R4198
0.47
2125
R4152
68k
1%
R4155
47k
1%
R4156
8.2k
1%
R4134
10k
2125
R4147
NM
R4141
ACN7165-A
3216
10
R4138
4.7
2125
R4177
ACN7197-A
3216
100k
R4195
0.47
2125
R4154
10
/5W
ACN7186-A
R4186
0.47
2125
R4193
1
2125
R4102
1
R4108
1
R4109
15k
VD2
VSS+12V
VS2
V-5VFILT2
DRIVER
GNDP
CN4000
-5
IC4401
IC4403
IC4301
IC4302
IC4601
IC4603
IC4501
IC4502
IC4701
IC4703
IC4801
IC4803
IC4901
IC4902
DISPLAY BRIDGE
ASSY
AF
234
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C
D
E
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1
234
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5
Amplifier Power Supply Failure Detection
D AMP ASSY
S
INTERFACE
ASSY
H
CN7006
-14
CN7004
-5
XBERR
84
UCOM
IC3001
CN3001
-4
DISPLAY
ASSY
L
DIGITAL MAIN
ASSY
G
CN603
-10
CN601
-32
CN7901
-8
CN7902
-36
CONNECT
ASSY
Y
CN7804
-5
CN7801
-10
CN4000
-6
XBERR
R4093 100
R4092
100
C4056
NM CH
GND
C4044
220p/50
CHC4045NMCH
C4048
330p/50
CH
C4046
330p/50
CH
C4051
330p/50
CH
C4049NMCH
C4047
330p/50
CH
C4099
1000p/50
CFHXSQ102J50-T
C4050
330p/50
CH
C4098
1000p/50
CFHXSQ102J50-T
D4019
RKZ24KG(B2)
D4020
RKZ27KG(B)
D4014
RKZ24KG(B2)
D4015
RKZ27KG(B)
D4013
RKZ24KG(B2)
D4018
RKZ24KG(B2)
D4021
RKZ18KG(B2)
D4017
RKZ18KG(B2)
GND_B
GND_B
GND_B
DTC115EUA
Q4017
DTC115EUA
Q4030
Q4025
2SC4154-11(EF)
Q4023
2SC4154-11(EF)
Q4024
2SC3906K(RS)
Vceo120V
Q4022
2SC4154-11(EF)
ISA1602AM1(EF)
Q4026
R5028
100
R5025
47k
2125
R5015
22k
2125
R5054
100k
R5024
100k
2125
R4096
47k
R5022
68k
2125
R5030
10k
2125
R5023
22k
2125
R5021
100k
2125
R5072
47k
R5013
100k
2125
R5014
68k
2125
R4020
100k
R5016
100k
2125
R5017
47k
2125
R5011
47k
2125
R5029
10k
2125
R5018
470k
2125
R5019
220k
2125
R5027
100
R5040
2.2k
2125
R5039
2.2k
2125
R5060
0
R5061
100
R5012
100k
2125
R5020
100k
2125
V+5V_S
V+64V
V-64V
V+5V_S
V+5V_S
V+5V_S
OE
OVP&UVP
DETECT CIRCUIT
DISPLAY BRIDGE
ASSY
AF
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XVDDERR Circuit
GNDU
C3013
UCOM
IC3001
70
DISPLAY ASSY
L
R3048
FRONT HDMI USB ASSY
C
[2] Protection Circuit Process List (XVDDERR)
ItemPurposeDetection MethodStatus of EquipmentWarning IndicationRemarks
USB
power
failure
detection
Detection of failure
in regulator circuit
for external supply
Detected when USB
voltage reaches 7V or
higher, or 4.1V or lower
and XVDDERR port is
set to "L"
Shuts downBlinks iPod iPhone
iPad LED
Restoration
possible with
Power ON
CN3004
-6
CN8002
-6
V+5_USB_DC
C8028
NM
C8027NMD8004
RKZ5.6KG(B2)
Q8004
2SC4154-11(EF)
R8023
100
R8024
1k
R8025
47k
V+5EV
GNDCH
A
234
B
C
D
E
F
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5
XMHLPERR Circuit
DIGITAL MAIN ASSY
G
DISPLAY ASSY
L
[3] Protection Circuit Process List (XMHLPERR)
ItemPurposeDetection MethodStatus of Equipment Warning IndicationRemarks
MHL
Overcurrent
detecition
Detection of overcurrent in MHL
power supply
IC8002 detectes MHL
circuit overcurrent and
XMHLPERR port is
set to "L".
Flashes "MHL POW
ERR" and stops MHL
power supply.
MHL power is not
supplied until the
MHL equipment is
FAN TEST : The function for making the FAN to be forced to rotate.
USB Backup state
[↓]
[↑]
[↓]
[↑]
U S B BAK
HOLD
U S B BAK
PLEAS E WAIT
COMPLETE
S AVE?
U S B BAKLOAD?
Saving and Loading of USB backup state.
(A/V Receiver → USB)
(USB → A/V Receiver)
Key operationFL display
↓
Change cyclically
5 sec
SAVE or LOAD
is completed.
[←][→]
[←][→]
Key operationFL display
↓
Power OFF
(All zone OFF)
Change cyclically
[ENTER]
CEC TEST : The function for making the HDMI output terminal to output 1 kHz square wave. If the square wave is output,
the CEC line is considered to be normal.
[Description]
Display
Model Name/Destination
state.
S C-68 /UXJCB
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DCB
ABA1011ABA1207ABA7078
A
BPZ30P100FTC
G
F
BMZ30P040FTBBPZ30P080FTBCBZ30P080FTB
E
GG
F
F
FF
F
F FF F FF FF F FFF
FFFF
F
F FF
F
F
F
D
EEEEEEEEEE
E
DDDDD
BB
C
C
A
A
A
A
A
A
A
A
AA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
SC-68/UXJCB only
AA
A
Ground Points
Screws for Rear Panel
Note:
The points marked below must be grounded when the Rear Panel is removed.
Before turning the unit ON, be sure to ground the marked points with the Chassis 68. Or, you may short-circuit the ground
points on the solder surface, using pieces of wire.
HL.
(2) Disconnect the two connectors.
(3) Release the 15P FFC (ADD7745) from the
two PCB binders.
(4) Remove the four screws. (BBZ30P060FCC)
(5) Remove the 15P FCC (ADD7745) from the
MIC HP GUARD ASSY.
Note: 15P FCC (ADD7745) is affixed with the
Double Side Tape (10 x 110mm).
Notes on assembling
∗3: PCB binder tilt in the direction of the blue
arrow.
∗4: 15P FFC (ADD7745) don't touch cable from
Power Transformer.
Note :
(1) Even if the unit shown in the photos and illustrations in this manual may differ from your product, the
procedures described here are common.
(2) For performing the diagnosis shown below, the following jigs for service is required.
with the product to prevent damage to the
HDMI connector for the DIGITAL MAIN
ASSY. Instead, use the another normal
HDMI Cable to prevent a load from being
applied to the HDMI connector.
Always connect the HDMI Cable because
the iPod iPhone iPad LED blinks, which
causes a shutdown, if the power is turned
on without the cable connected.
Note: Always connect the HDMI Cable because the iPod iPhone iPad
LED blinks, which causes a shutdown, if the power is turned on
without the cable connected.
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CN2503
7
7
9
9
8
15P FFC
39P FFC
VREG GUARD ASSY
ADX7746
FB-CONNECT ASSY
AUDIO ASSY
A REG BRIDGE ASSY
FRONT BRIDGE
ASSY
Front
Front
Front
Front
∗5
∗6
∗7
∗4
CN7724
CN5775
12
11
Screwdriver
PRE BRIDGE ASSY
PRIMARY ASSY
ADX7791
ADX7791
REG ASSY
BIND DM CABLE ASSY
∗8
∗9
6
2
4
5
3
3
5
4
4
CONNECT ASSY
DIGITAL MAIN ASSY
JA9605
CN601
CN7901
x 2
DISPLAY BRIDGE ASSY
HDMI Cable
∗1
∗2
∗2
∗2
5P Housing ASSY
10
(2) Cut the Binder.
(3) Disconnect the three connectors.
(4) Release the cables from the three PCB
binders.
(5) Remove the 39P FFC (ADD7746) by
disconnect the two connectors.
(6) Remove the screw. (BBZ30P060FCC)
Notes on assembling
∗1: HDMI Cabel (ADX7732) and 5P Housing
ASSY (ADX7786) bind together inside.
∗2: PCB binder tilt in the direction of the blue
arrow.
∗3: Attention to style cables as shown in the
photo.
(7) Remove the 15P FFC (ADD7725) by
disconnect the two connectors.
(8) Release the cable (ADX7746: from
COMPONENT ASSY) from hook of the
VREG GUARD ASSY.
(9) Release the cables from the two PCB binders.
(10) Disconnect the connector.
Notes on assembling
∗4: Twist PCB binder around the cable (ADX7746)
so that it don't contact FB-CONNECT ASSY
and plate.
∗5: Four cables doesn't contact.
∗6: PCB binder tilt in the direction of the blue
arrow and pull the cable (ADX7745: from
AUDIO ASSY) to the opposite direction (blue
arrow).
∗7: Push the 15P FFC (ADD7725) and bend it to
the lower side of the AUDIO ASSY.
(11) Remove the PRE BRIDGE ASSY.
(12) Release the cable (ADX7791: from
PRIMARY ASSY) from the PCB binder.
Notes on assembling
∗8: Pass the cable (ADX7791: from PRIMARY
ASSY) under the REG ASSY.
∗9: PCB binder tilt in the direction of the blue
arrow.
A
B
C
D
234
E
F
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1
SC-68
234
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5
x 6
14
x 21
17
AC inlet
:
15
16
AUDIO ASSY
Rear Panel
D AMP ASSY
Chassis 68
Insulation Sheet
CONNECT ASSY
COMPONENT ASSY
INTERFACE ASSY
ADX7747
Right Angle 85
PCB binder
CN8401
ADX7747
∗10
DIGITAL MAIN ASSY
2
3
3
1
Front
Front
18
19
Cushion Circle 14B
Insulating Sheet 68
13
x 6
(13) Remove the Insulating Sheet 68 (with the
Cushion Circle 14B).
(14) Remove the six screws. (BPZ30P100FTC)
(15) Remove the AC inlet by removing the two
screws. (CBZ30P080FTB)
(16) Remove the screw. (BPZ30P080FTB)
(17) Remove the 21 screws. (ABA1011)
(18) Unhook the hook.
(19) Disconnect the connector.
Note on assembling
∗10: PCB binder tilt in the direction of the blue
arrow and then bind the cable (ADX7747:
from the INTERFACE ASSY).
[2-2] Diagnosis
(1) Arrange the unit as shown in the photo.
(2) Insert the Insulation Sheet.
(3) Connect the Rear Panel to the Chassis 68
Ground and GND point of the D AMP ASSY.
(Refer to the “Ground Points” for the GND
point of the D AMP ASSY.)
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(4) Attach the PRE BRIDGE ASSY.
(5) Connect the two pair board to board
extension jig cables. (GGD1804)
(PRE BRIDGE CN6951 <-> IR BUFFER CN6801)
Note: In case of using GGD1804 with the this
condition, only using a left side connector
on the jig board.
(6) Disconnect the connector.
(7) Connect the 5P PH Housing ASSY extension
jig cable. (GGD1594)
(AUDIO ADX7745 <-> REG CN7502)
(8) Connect the 39P FCC extension jig cable.
(GGD1681)
(DIGITAL MAIN CN601 <-> DISPLAY BRIDGE
CN7901)
(9) Connect the 15P FCC extension jig cable.
(GGD1680)
(AUDIO CN2503 <-> FRONT BRIDGE CN7724)
(10) Connect the two pair board to board
extension jig cables. (GGD1798)
(DIGITAL MAIN CN602 <-> CONNECT CN7802)
(DIGITAL MAIN CN603 <-> CONNECT CN7801)
(11) Connect the another normal HDMI Cable
from the FRONT HDMI USB ASSY.
Note: Don’t connect the HDMI Cable (ADX7732)
provided with the product to prevent
damage to the HDMI connector. Instead,
use the another normal HDMI Cable to
prevent a load from being applied to the
HDMI connector.
Always connect the HDMI Cable because
the iPod iPhone iPad LED blinks, which
causes a shutdown, if the power is turned
on without the cable connected.
CN6951
ADX7745
CN6801
CN7502
Front
4
5
6
7
AUDIO ASSY
REG ASSY
PRE BRIDGE ASSY
IR BUFFER ASSY
5P PH Housing ASSY
extension jig cable (GGD1594)
Front
Front
8
9
39P FFC extension
jig cable (GGD1681)
15P FFC extension
jig cable (GGD1680)
DISPLAY BRIDGE ASSY
DIGITAL MAIN ASSY
FRONT BRIDGE ASSY
CN7802
CN7801
CONNECT ASSY
HDMI Cable
DIGITAL MAIN ASSY
10
11
20P + 14P board to board
extension jig cable (GGD1798)
23P + 23P board to board
extension jig cable (GGD1804)
CN2503
AUDIO ASSY
CN7724
JA9605
CN601
CN7901
CN603
CN602
A
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Front
FAN CONNECT ASSY
Acetate Tape
CN5932
∗1
∗2
∗2
PCB Holder
Pliers
PRIMARY ASSY
Front
Front
4
1
2
6
6
3
3
∗1
5
FRONT BRIDGE ASSY
x 2
FB-CONNECT ASSY
Note: When diagnosing, it is not necessary to
connect Fan Cable (FAN CONNECT
ASSY: CN5932).
Notes on assembling
∗1: PCB binder tilt in the direction of the blue
arrow.
∗2: This cable don't touch jumper and screw.
[3] D AMP ASSY
Remove the Rear Section.
(Refer to the “[2] Rear Section”)
Remove the two pair board to board extension
jig cables (GGD1804) and the PRE BRIDGE
ASSY.
(Refer to the steps (5) and (4) of “[2-2] Diagnosis”.)
with the product to prevent damage to the
HDMI connector for the DIGITAL MAIN
ASSY. Instead, use the another normal
HDMI Cable to prevent a load from being
applied to the HDMI connector.
Always connect the HDMI Cable because
the iPod iPhone iPad LED blinks, which
causes a shutdown, if the power is turned
on without the cable connected.
(2) Cut the Binder.
(3) Disconnect the three connectors.
(4) Release the cables from the three PCB
binders.
(5) Remove the 39P FFC (ADD7746) by
disconnect the two connectors.
(6) Remove the screw. (BBZ30P060FCC)
Notes on assembling
∗1: HDMI Cabel (ADX7732) and 5P Housing
ASSY (ADX7786) bind together inside.
∗2: PCB binder tilt in the direction of the blue
arrow.
∗3: Attention to style cables as shown in the
photo.
(7) Remove the D-DAC BRIDGE ASSY.
(8) Remove the D-AUDIO BRIDGE ASSY.
Note on assembling
∗4: Twist the PCB binder around the 5P Housing
ASSY (ADX7786) so that it don’t contact the
Bonnet 68.
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Front
x 10
12
COMPONENT ASSY
DIGITAL MAIN ASSY
17
17
19
20
20
20
19
16
Front
ADX7791
ADX7791
REG ASSY
∗5
∗6
SC-68 : USB DAC ASSY
SC-67 : PRIMARY SHIELD ASSY
SC-68 only
15
14
13
9
10
SC-68 only
11
DIGITAL MAIN ASSY
DIGITAL MAIN ASSY
D Main Shield 85
Hook
PRIMARY ASSY
x 4
18
:
:
(9) Remove the ten screws. (BMZ30P040FTB)
(10) Remove the screw.
(SC-68 only: BMZ30P040FTB)
(11) Remove the three screws.
(SC-68 only: ABA1011)
(12) Remove the two screws. (ABA1011)
(13) Release the cable (ADX7791: from
PRIMARY ASSY) from the PCB binder.
Notes on assembling
∗5: Pass the cable (ADX7791: from PRIMARY
ASSY) under the REG ASSY.
∗6: PCB binder tilt in the direction of the blue
arrow.
(14) Remove the Push Rivet. (AEC7071)
(15) Case of SC-68:
Disconnect the connector.
Case of SC-67:
Remove the PRIMARY SHIELD ASSY.
(16) Unhook the hook.
(17) Disconnect the connector and then remove
the DIGITAL MAIN ASSY (SC-68 only: with
the D MAIN Shield 85).
SC-68 only
(18) Remove the four screws.
(BBZ30P060FCC)
(19) Remove the two Nylon Rivet. (AEC7406)
(20) Unhook the two Hooks and then remove
the D Main Shield 85.
A
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C
D
E
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5
3
DISPLAY BRIDGE ASSY
CN7901
DIGITAL MAIN ASSY
Insulation Sheet
Rear Panel
1
2
3
4
7
DIGITAL MAIN ASSY
20P + 14P board to board
extension jig cable (GGD1798)
27P board to board
extension jig cable (GGD1799)
COMPONENT ASSY
CONNECT ASSY
8
9
Front
39P FFC extension
jig cable (GGD1681)
39P FFC extension
jig cable (GGD1681)
HDMI Cable
JA9605
CN601
CN1502
CN2861
CN2101
CN2102
CN9002
CN9003
23P board to board
extension jig cable (GGD1805)
30P + 28P board to board
extension jig cable (GGD1806)
DIGITAL MAIN ASSY
DAC HIGH ASSY
AUDIO ASSY
5
6
Front
Front
CN8301
CN7802
CN7801
CN603
CN901
CN602
[4-2] Diagnosis
(1) Arrange the DIGITAL MAIN ASSY as shown
in the photo.
(2) Insert the Insulation Sheet.
(3) Connect the 39P FCC extension jig cable.
(GGD1681)
(DIGITAL MAIN CN601 <-> DISPLAY BRIDGE
CN7901)
(4) Connect the another normal HDMI Cable
from the FRONT HDMI USB ASSY.
Note: Don’t connect the HDMI Cable (ADX7732)
provided with the product to prevent
damage to the HDMI connector. Instead,
use the another normal HDMI Cable to
prevent a load from being applied to the
HDMI connector.
Always connect the HDMI Cable because
the iPod iPhone iPad LED blinks, which
causes a shutdown, if the power is turned
on without the cable connected.
(5) Connect the 23P board to board extension
jig cable. (GGD1805)
(AUDIO CN2861 <-> DIGITAL MAIN CN1502)
(6) Connect the two pair board to board
extension jig cables. (GGD1806)
(DAC HIGH CN2102 <-> DIGITAL MAIN CN9003)
(DAC HIGH CN2101 <-> DIGITAL MAIN CN9002)
(7) Connect the DIGITAL MAIN ASSY to the
Rear Panel Ground.
(Refer to the “Ground points.”)
(8) Connect the two pair board to board
extension jig cables. (GGD1798)
(DIGITAL MAIN CN602 <-> CONNECT CN7802)
(DIGITAL MAIN CN603 <-> CONNECT CN7801)
"8.3 REGION WRITING" and then, update to the
latest firmware.
Other assembliesNo adjustment required
D AMP ASSYNo adjustment reguired
The part listed below is difficult to replace as a discrete
component part. When the part listed in the table is
defective, replace whole Assy.
• Q4101,4102 (
IRF6775MPBF
)
• Q4201,4202 (
IRF6775MPBF
)
• Q4301,4302 (
IRF6775MPBF
)
• Q4401,4402 (
IRF6775MPBF
)
• Q4501,4502 (
IRF6775MPBF
)
• Q4601,4602 (
IRF6775MPBF
)
• Q4701,4702 (
IRF6775MPBF
)
• Q4801,4802 (
IRF6775MPBF
)
• Q4901,4902 (
IRF6775MPBF
)
When any of the following parts is replaced
234
8. EACH SETTING AND ADJUSTMENT
8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED
A
B
C
D
E
F
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5
[Introduction]
This model is capable of saving the set values stored in the MAIN Ucom of DIGITAL MAIN
ASSY in the USB and loading them in a new DIGITAL MAIN ASSY.
(Note that MAIN Ucom should normally operate to enable this function.)
When replacing DIGITAL MAIN ASSY, execute the above mentioned processes.
[Data that can be saved/cannot be saved]
The following data can not be saved. Data other than these can be saved.
(As the data saved by EVENT Ucom is on the DISPLAY ASSY,
the data cannot be deleted unless Assy is replaced at the same time.)
[Requirements for USB memory]
USB memory to be used should meet the following requirements.
Compatible with USB Mass storage Class
With a file system of FAT(FAT16 or FAT32)
[File saving format]
Files are to be saved in the following format: Model number_backup version.extension(avr)
Example: SC-68_BK01.avr
[How to save in the USB memory from AV amplifier]
1. Insert the usable USB memory into the USB terminal when the main device is off.
2. Enter the SERVICE MODE and select [USB BAK
HOLD ] with keys.
(See [6.1 TEST MODE] for how to enter the SERVICE MODE.)
3. Select [USB BAK
SAVE ] with keys and press [ENTER].
4. Saving in the USB starts and the main device automatically goes off after the normal completion ([COMPLETE]
is displayed.).
5. Remove the USB and saving is finished.
*1. If the following errors occur after "SAVE" is executed, error message will be displayed and "SAVE" will be stopped
and the power will be turned off.
Ejecting of USB device
Short capacity of USB device
Error during writing in the USB device (Read Only or defective Sector, etc.)
*2. If the same file name exists in the USB, overwriting will be automatically executed.
[How to write into AV amplifier from the USB memory]
1. Insert the USB with the saved file into the USB terminal when the main device is off.
2. Enter the TEST MODE and select [USB BAK
HOLD ] with keys.
(See [6.1 TEST MODE] for how to enter the TEST MODE.)
3. Select [USB BAK
LOAD ] with keys and press [ENTER].
4. Saving in the main device starts and it automatically goes off after the normal completion
([COMPLETE] is displayed.).
5. Remove the USB and loading is finished.
* If the following errors occur after "LOAD" is executed, error message will be displayed and "LOAD" will be stopped and
the power will be turned off.
No setting file
Mismatching between the setting file and the specification of the A/V RECEIVER type to be loaded back
Error due to Checksum, Signature Check, and Size Check
Ejecting of USB device (during reading of the setting file)
Contents to save Destination to save
Last memory for turning ON/OFF the Main power and power supply for ZONE2, ZONE3 and ZONE4
Last memory for inputting the Main ZONE, ZONE2, ZONE3 and ZONE4 Setting for controlling HDMI
Remote control ID
Setting for RF remote control (EXTENSION Setup)
Setting for Network Standby Data to be save upon the operation of protection circuit
Setting for Standby Through
EVENT Ucom
Settings for NETWORK
Preset Memory, Favorite, Recently played, Accounts, etc.
BridgeCo IC
8.2
HOW TO SAVE AND LOAD THE SETTING USING BACKUP FUNCTION WITH USB MEMORY
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Precautions
Files are stored in Root of USB memory.
Files are read from Root of USB memory.
To make operations such as moving files, be sure to assign the saved file in Root
of the USB memory.
Also please be careful not to assign *.avr in multiple numbers.
The time and date of updating for saved file is fixed to "2006/03/08 20:01."
In principle, please implement Load without making of factory default settings.
To Load from factory default settings status, please take caution on the following points;
Please be sure to check the HDMI control setting for the user before performing of factory default settings.
[Cautions]
You cannot use the backup function with USB memory until the BridgeCo software starts.
It takes about 45 seconds before the BridgeCo software starts.
Since the HDMI control setting of default settings is ON, turn OFF the HDMI control setting
and Load after performing of factory default settings if the checked user setting is OFF.
(If Load is executed with the setting ON, the assignment information for each HDMI input
will be cleared.)
Procedures for turning OFF the HDMI control setting
HOME MENU 4.System Setup 4e.HDMI Setup Control OFF
Power On (Automatically)
Start up finished
Connect USB
Memory.
Loading finished
correctly
POWER ON
S C-68 /UXJCB
S ET REGION
Key operationFL display
Plug in the AC cord.
(No Region information)
Function initial display
Region Writing finished
[Preparations]
1. Please copy the REGION File for the same model number and the point of destination with the object set to the route
directory of USB Memory.
Note: Copy only the REGION File to the USB memory. Never copy to other files.
[Precautions]
Please be sure to use the REGION File for the same model number and the point of destination with the object set.
If you make a mistake, it is impossible to rewrite. (Replacement of DISPLAY ASSY is required again)
[Procedures]
1. Connect an AC cord after replacing DISPLAY
ASSY. (Power turns ON automatically)
2. [SET REGION] is displayed several seconds after
[POWER ON] is displayed on the front panel.
(Standby status for REGION File writing)
3. Automatic writing starts when USB memory
prepared by [Preparation: 1] is inserted.
(Degree of several seconds)
4. The written model number is displayed after the
normal completion of REGION File writing.
(14 characters, maximum)
5. Pull out the AC cord.
This is the function to write Region information by using an USB Memory.
Automatic start-up is conducted with POWER ON if the Region information is not written.
This work is carried out when DISPLAY ASSY is replaced.
[Cautions]
Writing of destination is not completed until the BridgeCo software starts.
It takes about 45 seconds before the BridgeCo software starts.
A
B
234
8.3 REGION WRITING
C
D
E
F
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5
[Case of Abnormal Completion]
If REGION File writing did not complete normally, an error number is displayed rather than the model number.
Please perform rewriting based on the coping strategy by error numbers below.
FL Display Examples Reason for Display Coping Strategy
E R R O
R
R 0 1
.
Case of unsuccessful USB Read-in
.
Try writing with other USB Memory
.
Case of No File for Writing
.
Place writing required REGION File
to root directory
E R R O R R 0 3
Case of destroyed File
Download REGION File again
E R R O R R 0 4
Case of destination information for
different model is written
Download REGION File for correct
model
MAIN com (EMMA), SUB com (EVENT) , DSP Flash ROM and BridgeCo IC Update
by USB Memory and the Confirmation of the Version
[Preparations]
UPDATE PANEL Mode (Version update)
1. Copy the UPDATE FILE to the root directory of the USB Memory.
Note: NEVER copy several UPDATE FILES to the root directory of the USB Memory.
Copy only the corresponding UPDATE FILE.
Enter the UPDATE PANEL mode.
Check a current version.
2. Turn off the power to this unit by setting Multi-Zone to "OFF".
3. Connect the USB Memory to the USB terminal (A type) of the front panel.
1. While holding down "TUNE↑" key on the front panel, press "STANDBY ON/OFF" key and
moves to the UPDATE PANEL mode.
2. The updating process is as follows.
[Procedures]
Workflow
Check an updated version.
Turn the power off.
(Release the UPDATE PANEL mode.)
Update it.
Update completed.
(Turn the power OFF automatically.)
Updating process
Enter the UPDATE PANEL mode again.
Checking process
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C
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Update Menu
UPDATE
Update Confirmation
UPDATE ?
NO
Update Confirmation
UPDATE ?
YES
File searching
Accessing
Key operationFL display
[PRESET
→]
or
[PRESET
←]
[←]
[→]
[ENTER]
[ENTER]
UPDATE FILE searching
completed
Key operationFL display
[STANDBY ON/OFF]
[TUNE
↑] +
Version is displayed.
Version number of BridgeCo
Version number of DSP
Version number of Sub com
"" displayed instead of number indicates
the process while the version is obtained.
Wait for a while until the version is displayed.
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5
Key operationFL display
UPDATE start
UPDATE completed
5 Second
Power turns off automatically.
(All ZONE OFF)
Disconnect the USB MEMORY.
Updating process
∗ Upda ting. 2 0%
Update completion display
∗ Upda ting. 100%
UPDATE FILE searching
completed
[Confirmation]
Enter UPDATE PANEL mode and check that the programs have been updated.
Update time is fluctuated by contents of the update. It will take about 26 minutes at the maximum.
(Actual time is from 3 minutes to 26 minutes.)
Time required for updating varies, because only the programs that require updating will be updated.
[Cautions]
You cannot perform an update until the BridgeCo software starts.
It takes about 45 seconds before the BridgeCo software starts.
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NOTES: - 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 b 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.)
SC-68/UXJCB and SC-67/UXJCB are constructed the same except for the following:
Mark No.Symbol and Description
2 AUDIO ASSYAWX1119AWX1122
3 COMPOSITE ASSYAWX1125AWX1126
8 PRIMARY SHIELD ASSYNot usedAWX1175
9 MULTI CH IN ASSYAWX1184Not used
10 MCH BRIDGE ASSYAWX1185Not used
12 USB DAC ASSYAWX1097Not used
13 DAC HIGH ASSYAWX1104AWX1109
14 COMPONENT ASSYAWX1106AWX1107
15 DIGITAL MAIN ASSYAWX9904AWX1198
22 Rear PanelANC8643ANC8649
24 D MAIN Shield 85ANK7162Not used
28 Locking SpacerAEC7643Not used
SC-68/
UXJCB
SC-67/
UXJCB
D
E
F
SC-68
5
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D
D
FAN CONNECT
ASSY CN5932
Cleaning paper
GED-008
IR REG ASSY
CN7251
IR REG ASSY
CN7271
IR REG ASSY
CN7241
B
B-DIODE
ASSY
CN7401
B
A
COMPONENT ASSY
JP8402
Power
Transformer
Power
Transformer
Accessory of
Panel Base
Ta pe
Ta pe
Accessory of
Panel Base
B
A
C
C
AUDIO ASSY
JP3001
A
B
E
E
IR REG ASSY
CN7281
A
P
Q
R
S
V
Z
H
AI
AL
AM
AE
CONTACT SIDE
NON-CONTACT
SIDE
9.4 CHASSISSECTION
A
B
C
D
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E
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(1) CHASSISSECTION PARTS LIST
Mark No.DescriptionPart No.
1 D AMP ASSYSee Contrast table (2)
2 IR BUFFER ASSYAWX1170
3 BUFFER GND ASSYAWX1171
4 INTERFACE ASSYAWX1172
5 A REG BRIDGE ASSYAWX1178
678
Mark
No.DescriptionPart No.
26 Inslator ICEAMR7523
27 PCB MoldAMR7536
28 Cushion 5 x 8AEB7397
29 Cushion T3 20 x 35AEB7406
30 Damper Bushing 83AEB7425
A
NSP6 BIND B CABLE ASSYAWX1179
7 REG ASSYAWX1180
8 FRONT BRIDGE ASSYAWX1181
9 FB-CONNECT ASSYAWX1186
SC-68/UXJCB and SC-67/UXJCB are constructed the same except for the following:
Mark No.Symbol and Description
29 PanelANB7582ANB7585
SC-68/
UXJCB
B
C
SC-67/
UXJCB
D
E
F
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5
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1
A
1/3
CN3001
*CN2510
CN2502
*JA6701
*JA2503
*JA2501
*JA2501
*JA2504
*JA2504
*JA3206
*JA2502
*JA2505
*JP3001
!
!
Z2L
Z2R
A_A_DA_FRMIX
A_A_DA_FLMIX
A_ADASWOUT
A_ADACOUT
A_ADARSOUT
A_ADALSOUT
A_ADAFHFWROUT
A_ADAFHFWLOUT
A_ADAFLOUT
A_ADASWOUT
A_ADAFROUT
A ADAZFLOUT
Z3MUTE
A_A_ANA_CIN
A_A_ANA_SWIN
A_A_ANA_FLIN
A_A_ANA_FRIN
A_BTL
A_AADFRIN
A_AADFLIN
GNDBT
A_ADAZFROUT
A_ADAZFLOUT
MICIN
A_BTR
A_BTL
A_A_Z3ROUT
A_A_Z3LOUT
Z3R
Z3L
A_A_ANA_LSIN
A_A_ANA_RSIN
A_A_ANA_SBLIN
A_A_ANA_SBLIN
A_A_ANA_SBRIN
A_A_ANA_SBRIN
Z3L
Z2L
Z2R
Z3R
A_BTR
GNDADS
GNDA
GNDA
GNDA
GNDBT
AKP7248-A
V-12_A
1
V-12_A2GNDA
3
GNDA
4
V+12_A
5
V+12_A
6
GNDAD7GNDAD
8
V+6_AD
9
V+6_AD
10
GNDBT
11
BT R
12
BT L14GNDBT
13
AKP7123-A
GNDA
1
FR IN
2
GNDA 3
FL IN
4
GNDA
5
SW IN 6
GNDA
7
C IN
8
GNDA 9
SR IN 10
GNDA 11
SL IN
12
GNDA 13
SBR IN
14
GNDA
15
SBL IN 16
GNDA
17
GNDA
18
AKP7269-A
NM
C3005
2.2u/50
*C3001
100u/16
*C2680
100u/16
*C2679
10u/50
*C2664
47u/25
*C2670
2.2u/50
*C3002
10u/50
*C2677
ACH1479-A
C2693
22u/50
C2505
ACH1479-A
C2694
22u/50
C2525
22u/50
C2526
10u/50
C2566
22u/50
C2546
22u/50
C2732
47u/25
*C2669
10u/50
*C2663
22u/50
C2506
NM
C3016
10u/50
C2904
10u/50
C2903
NM
C3006
22u/50
C2545
10u/50
C2565
NM
C3023
NM
C3024
10u/50
*C3025
10u/50
*C3026
22u/50
C2609
22u/50
C2610
22u/50
C2587
22u/50
C2588
10u/50
*C2678
NM
C3015
10u/50
C6701
10u/50
C6702
10u/50
C6707
22u/50
C2731
C3022
NM
C3017NMC3018
NM
C3008
NM
C3007
NM
C2700
100p/50
*C2668
560p/50
C3014
NM
*C2671
8200p/50
C2502
NM
C2974
NM
C2973
NM
*C2972
470p/50
*C2971
470p/50
*C2672
8200p/50
C2541
NM
C2522
NM
*C2701
NM
C3012NMC3011
NM
*C3021
0.01u/50
YB
C2501
NM
*C2504
100p/50
*C2503
100p/50
C2696
0.01u/16
CFHX
C2695
0.01u/16
CFHX
*C2665
330p/50
*C2675
1200p/50
CH
C2602
NM
C2601
NM
C3004
NM
*C2666
330p/50
*C2691
NM
C2521
NM
*C2692
NM
C2697
100p/50
CH
C2698
100p/50
CH
*C2662
220p/50
C2683
0.01u/50
C2681
NM
C2682
NM
*C2604
100p/50
*C2603
100p/50
*C2524
100p/50
*C2543
100p/50
C2612
NM
C2611
NM
C2581
NM
*C2544
100p/50
C2542
NM
C2684
NM
*C2712
0.01u/16
CFHX
*C2711
0.01u/16
CFHX
*C2584
100p/50
C3019
NM
C3020
NM
C3010
NM
C3009
NM
C2608
NM
C2607
NM
C2983
NM
*C2674
1200p/50
CH
*C2667
560p/50
*C2676
1200p/50
CH
C3013
NM
*C2702
NM
C2582
NM
*C2583
100p/50
*C2673
1200p/50
CH
*C2661
220p/50
*C2523
100p/50
C3957
NM
*C2564
22p/50
*C2562
100p/50
C6710
0.033u/50
*C2563
22p/50
*C2561
100p/50
C6705
NM
C6711
0.1u/50
*C6720
0.01u/16
*C6708
470p/50
*C6703
470p/50
C6706
NM
*C6704
470p/50
*C6721
0.01u/16
C6709
NM
C6729
NM
C6730
NM
C3966
NM
C3967
NM
C3963
NM
C3962
NM
C3965
NM
C3964
NM
C3961
NM
C2984
NM
C3971
NM
C3973
NM
C2980
NM
C3003
NM
D2691
1SS302
D3001
RKZ7.5KG(B2)
D3002
RKZ7.5KG(B2)
GNDA
GNDA_RIP
GNDA
GNDA
GNDA
GNDD1
GNDD1
GNDD1
GNDA
GNDA
GNDA
GNDA
GNDA
GNDD
GNDD1
GNDA
GNDD1
GNDAGNDA
GNDA
GNDA
GNDD1
GNDA
GNDD
GNDA
GNDD1
GNDA
GNDA_PN
GNDA
IC2701 TC4066BFN
IN/OUT1
1
OUT/IN1
2
OUT/IN2
3
IN/OUT2
4
5
CIN2
6
CIN3
7
VSS
8
IN/OUT3
9
OUT/IN3
10
OUT/IN4
11
IN/OUT4
12
CIN4
13
CIN1
14
VDD
IC3901
NM
5
4
6
7
8
IC3901
NM
3
4
2
1
8
BD3473KS2
IC2501
SBLOUT
1
SBROUT
2
COUT
3
SWOUT
4
SLOUT
5
SROUT
6
FLOUT
7
FROUT
8
VEE
9
CLOCK
10
DATA
11
DGND
12
VCC
13
TNF1
14
BNF1
15
BOUT1
16
BOUT2
17
BNF2
18
TNF2
19
AGND1
20
AGND2
21
SBLIN1
22
SBRIN1
23
CIN1
24
SWIN125SLIN1
26
SRIN127FLIN128FRIN129AGND3
30
ADCL31ADCR
32
AGND433SUB1R34SUB1L
35
AGND5
36
INR137INL138INR239INL2
40
INR3
41
INL3
42
INR4
43
INL4
44
INR5
45
INL5
46
INR6
47
INL6
48
INR7
49
INL7
50
INR8
51
INL8
52
INR9
53
INL9
54
INR10
55
INL10
56
INR11
57
INL11
58
INR12
59
INL12
60
AGND661INR13/FRIN2
62
INL13/FLIN263INR14/SRIN264INL14/SLIN2
65
INR15/SWIN266INL15/CIN267INR16/SBRIN2
68
INL16/SBLIN2
69
AGND770INR17/RECR171INL17/RECL1
72
INR18/RECR273INL18/RECL2
74
RECR375RECL376RECR4/SUB2R
77
RECL4/SUB2L
78
AGND879AGND9
80
RT1N241M
Q2721
RT1P241M-11
Q2722
Q3001
2SD2400A
Q2971
IMX25
Q6702
INC2002AC1
Q2971
IMX25
Q6701
IMX25
Q6701
IMX25
Q6705
NM
Q6705
NM
2SB1569A
Q3002
R2959
NM
R2683
NM
R2682
NM
R2603
220
R2679
NM
R2680
0
R2681
NM
R3996
NM
R3995
NM
*R3909
0
*R3908
0
R2678
0
R3992
NM
R3991
NM
R3010
0
*R3957
NM
R2543
330
R3013
0
*R3953
NM
R3012
0
R2544
330
R3011
0
R2696
NM
*R3956
NM
*R3951
NM
*R3952
NM
R2971
1k
R2702
6.8k
*R2669
390k
*R2674
560
*R2688
1.5k
R3018
NM
R2901
100k
R3007
0
R2725
0
R2699
NM
R2976
1k
R2690
NM
R3016
NM
R2687
1M
*R3954
NM
R2561
100k
R2974
1k
R2973
1k
R2972
1k
*R3043
NM
*R3041
NM
*R3030
4.7k
R3993
NM
R2705
8.2k
*R2665
100k
R6787
NM
R6785
1k
R6788
NM
R3003
120
*R2666
100k
R2602
470k
R2601
470k
R2582
470k
R2581
470k
R2542
470k
R2541
470k
R6796
100k
R6762
1k
R2521
470k
R2501
470k
R6755
1k
R6766
18k
R2523
330
*R2663
560
R2691
1k
R2692
1k
*R2670
390k
R2562
100k
R6757
1k
R2563
1k
R6760
1k
R2564
1k
R6765
39k
R6754
1k
*R2673
560
*R2667
560
*R3955
NM
R6758
1k
R6761
1k
R6795
100k
R6756
1k
R2721
47k
*R2672
30k
R6763
18k
R6764
22k
*R2662
100k
R2703
1.5k
*R2671
30k
R2503
330
R6768
22k
*R2668
560
R2584
330
R6759
100k
R6753
1k
*R2661
100k
R6767
22k
R3020
0
R3019
NM
R2704
1.5k
*R3034
4.7k
*R3031
4.7M
*R3032
1.8k
R3033
NM
R2975
1k
R2689
NM
R2701
6.8k
R3969
NM
R3966
NM
R3968
NM
R3970
NM
R3972
NM
R3971
NM
R3014
0
R2724
0
R3967
NM
R2723
0
R2722
0
R3965
NM
R3964
NM
R2504
330
R2700
NM
R3963
NM
R3962
NM
R3961
NM
R3960
NM
R2684
0
R2685
0
R2686
0
R2740
NM
R2706
8.2k
R2741
NM
R3008
0
R3021
NM
R3022
NM
R2522
470k
*R2664
560
R3986
0
R3001
5.1k
R2677
NM
R6786
1k
R2524
330
R3009
0
R3002
5.1k
R2902
100k
R3004
120
R3978
0
R3977
NM
R2502
470k
R2583
330
*R3958
NM
R2604
220
R2960
NM
V-7_A
V+12_A
V-12_A
V-12_A
V-12_A
V+12_A
V-7_A
V+7_A
V-7_A
V-7_A
V+7_A
V+7_A
V-7_A
V+7_A
V+7_A
V+7_A
V+6_AD
V-7_A
V+12_A
REC_M
ZONE_R
ZONE_L
Z2O_L
Z2O_R
Z2MUTE
A_A_TU_L
A_A_TU_R
Z_SIG_DET
R3974
0
AKB7244-A
4
3
2
1
AKB7234-A
3
2
1
4
C2589
NM
C2590
NM
C2685
NM
C2686
NM
C2976
NM
C2975
NM
C6734
NM
C6732
NM
C6733
NM
C2985
NM
GNDAGNDA
C2986
NM
C2699
0.01u/50
AKB7242-A
2
L
3
1
R
AKB7242-A
5
L
6
4
R
AKB7242-A
2
L
3
1
R
AKB7242-A
5
L
6
4
R
AKB7243-A
3
2
1
AKB7243-A
3
L
2
1
R
AKB7243-A
3
L
2
1
R
ADX7745-A
V+6_AD1V+12_A
2
GNDA3GNDA
4
V-12_A
5
*IC2661
NJM4565MD
3
4
2
1
8
*IC2661
NJM4565MD
5
4
6
7
8
*IC6701
NJM4565MD
3
4
2
1
8
*IC6701
NJM4565MD
5
4
6
7
8
*R3017
220k
PHONO
SELMID
SELMID
EMC
TUNER
I-ctl
JACK
EMC
EMC
EMC
EMC
SOUND
SOUND
SOUND
SOUND
Temp
2125
3225
2125
21252125
2125
3225
DVR/
PHONO
IN1
EQUALIZER AMP
OUT
IN
LSSN
IC2701(CONT)
SW DOWN MIX SELECT
IC2701
LH
SW DOWN MIX
ON OFF
LH
(1/2)
(2/2)
(MAIN)
INPUT SELECTOR
& VOLUME
ZONE3_L
ZONE3_R
VIDEO
DVD
HP<->
ZONE OUT
pattern A
DAC OUT<->
PRE OUT
pattern A
BDR
BDR
DVR/
SAT
(P3 E-1/H-1)
(MAIN)
(P3 C-1)
(P3 B-3)
(P3 A-3)
ZONE OUT
(2/2)
(1/2)
ZONE2_L
ZONE2_R
ZONE2_SW
ZONE2<->
ZONE3 OUT
ZONE<->
HP
CONNECTOR
ADX7745-A
awx1119
awx1120
awx1121
awx1122
awx1123
awx1124
JP3001
(p3 B-1)
(p3 A-1)
(p3 B-1)
awx1121
awx1122
awx1124awx1120
awx1123awx1119
CN2510AKP7123-A
47kR3951-R3958 NM
NM
(p3 C-1)
(p3 C-1)
(p3 C-1)
awx1274
awx1275
awx1274 awx1275
(P3 D-5)
J2501
awx1123
awx1119 awx1122
CONNECTOR
awx1120
awx1121
awx1275
awx1124
awx1274
J2502
J2503
J2504
J2505
AKB7243-A
AKB7234-A
AKB7243-A
AKB7242-A
AKB7242-A
AKB7247-A
AKB7233-A
AKB7247-A
AKB7246-A
AKB7246-A
C2691
NM
SOUND
C2692
awx1119
awx1121
NM
awx1274
awx1275
0.01u/50
awx1120
awx1122
awx1123
SOUND(A-5)
awx1124
C3021
(B-4)
awx1123
R2688
awx1119
1.3k
awx1122
SOUND(F-8)
awx1120
awx1121
awx1275
awx1124
awx1274
1.5k
(I-7)
(P3 E-5)
(P3 G-3)
(1/2)
(2/2)
: Audio Signal Route
There
When
The >
:
CN3792
AB
CN5775
AI
CN7671
AH
A-aA-b
A-a
A-b
A-b
A-a
Large size
SCH diagram
Guide page
Detailed page
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
A-a
1/3
234
10. SCHEMATIC DIAGRAM
10.1 AUDIO ASSY (1/3) (GUIDE PAGE)
A
SC-68
B
C
D
E
F
86
234
1
Page 87
5
A
1/3
CN3001
CN2861
CN2502
*CN3902
CN2503
!
AMUTE
A_A_DA_FRMIX
A_A_DA_FLMIX
VLSO
VLSCK
A_A_PRE_FHFWR
T
A_ADASWOUT
A_ADAZFLOUT
A_A_PRE_FHFWL
A_A_PRE_LS
SBMUTE
AMUTE
PRESEL
MICIN
A_ADAZFROUT
A_AADFRIN
A_AADFLIN
A_ADAFROUT
A_ADACOUT
A_ADARSOUT
A_ADALSOUT
A_ADAFHFWROUT
A_ADAFHFWLOUT
RYHP
VLSCK
Z2VLSO
VLSCK
GNDA
A_ADAFLOUT
GNDADS
A_ADASBLOUT
A_ADASBROUT
A_A_ANA_SBRIN
A_A_ANA_SBLIN
A_ADASBROUT
A_ADASBLOUT
Z3R
Z3L
Z2R
Z2L
A_A_PRE_FR
FHMUTE
A_A_PRE_RS
A_A_PRE_SW1
A_A_PRE_FL
A_A_PRE_C
A_A_PRE_SW2
A_A_PRE_SBL
A_A_PRE_SBR
AMUTE
SBMUTE
FHMUTE
LSSN
PRESEL
VLSO
A_A_Z3LOUT
A_A_Z3ROUT
ZONE_R
ZONE_L
Z3R
Z3L
Z2MUTE
ZONE_R
ZONE_L
LSSN
AMUTE
GNDD
GNDD
Z2MUTE
Z3MUTE
Z2VLSO
RYHP
GNDA
AKP7248-A
V-12_A
1
V12_A
AKN7073-A
FHMUTE
1
XHPDET
2
RYHP
3
XMICDET
4
LSSN
5
PRESEL
6
AMUTE
7
SBMUTE
8
Z2MUTE
9
Z3MUTE
10
Z2VLSO
11
VLSO
12
GNDD
14
GNDD
15
16
GNDD
17
TUSCL
18
TUSDA
19
TURST
20
TUIREQ
21
RECMUTE
22
Z2HPF
23
VLSCK
13
AKP7269-A
ZL OUT
1
GNDDAS
2
ZR OUT
3
GNDDAS4SBL OUT
5
GNDDAS
6
SBR OUT
7
GNDDAS8FHL/FWL OUT
9
GNDDAS
10
FHR/FWR OUT11GNDDAS
12
SL OUT
13
GNDDAS
14
SR OUT
15
GNDDAS
16
C OUT
17
GNDDAS18SW OUT
19
GNDDAS
20
FL OUT
21
GNDDAS
22
FR OUT
23
GNDDAS
24
FL IN25GNDADS
26
FR IN27GNDADS
28
9604S-09C
TURST
1
TUSDA
2
TUSCL
3
TUIREQ
4
NC
5
GNDT
6
TR
7
V+5T
8
TL
9
52044-1545
XHPDET
1
AMUTE
2
GNDHP
3
HPR
4
GNDHP
5
GNDHP
6
HPL
7
GNDA
8
MICOUT
9
GNDA
10
V+7_A
11
GNDA
12
GNDA
13
V-7_A
14
XMICDET
15
100u/16
*C3903
470u/16
C2819
ACH1479-A
C2693
ACH1479-A
C2694
100u/16
C2817
NM
C2851
470u/16
C2820
10u/50
*C2758
10u/50
*C2754
10u/50
*C2753
10u/50
*C2755
10u/50
*C2760
100u/16
*C3906
10u/50
*C2707
10u/50
*C2708
100u/16
C2818
1.0u/50
C2806
1.0u/50
C2805
100u/16
C2507
100u/16
C2508
10u/50
*C2752
10u/50
C2826
ACH1479-A
C2828
ACH1479-A
C2836
10u/50
C2827
10u/50
*C3952
10u/50
*C2756
10u/50
*C2751
10u/50
*C3954
10u/50
C6727
10u/50
*C2757
10u/50
C6728
10u/50
*C3953
NM
C2700
100p/50
*C3907
0.01u/50
C2822
NM
C2821
NM
C2703
100p/50
CH
C2704
100p/50
CH
C2824
NM
CH
*C3913
10p/50
CH
*C3912
10p/50CH*C3911
10p/50
CH
*C3908
10p/50
CH
*C3909
330p/50
CH
*C3901
27p/50
C3902
NM
C2810
NM
C2510
NM
C2509
NM
*C2701
NM
*C2816
0.01u/16
C2696
0.01u/16
CFHX
C2695
0.01u/16
CFHX
C2814
NM
C2807
220p/50
CH
C2862
NM
*C2761
NM
C2759
100p/50
CH
*C2815
0.01u/16
C2803
0.01u/50
C2813
NM
C2861
NM
*C2705
NM
*C2691
NM
*C2692
NM
C2697
100p/50
CH
C2698
100p/50
CH
C2868
10p/50
C2867
10p/50
C2866
0.1u/50
C2863
0.1u/50
*C2706
NM
C2808
220p/50
CH
*C3917
10p/50
CH
*C3916
10p/50
CH
*C3915
10p/50
CH
*C2712
0.01u/16
CFHX
*C2711
0.01u/16
CFHX
*C2710
0.01u/16
CFHX
*C2709
0.01u/16
CFHX
*C2763
0.01u/16
CFHX
*C2764
0.01u/16
CFHX
*C3914
100p/50
C2853
NM
C2852
NM
C2809
NM
C2804
0.01u/50
C3919
NM
*C2831
NM
C2829
100p/50
CH
*C2702
NM
C2830
100p/50
CH
C2834
0.01u/16
CFHX
C2832
100p/50
C2835
0.01u/16
CFHX
*C2833
NM
*C3918
0.1u/50
C3951
100p/50
CH
C3949
NM
C2823
NM
CH
C3910
NM
C3959
NM
C3960
NM
C6716
0.047u/50
C6715
0.1u/50
*C6718
0.01u/16
*C6722
0.01u/16
C6717
0.1u/50
C6713
0.047u/50
*C6723
0.01u/16
C6714
0.1u/50
C6724
NM
C6712
0.1u/50
*C6719
0.01u/16
C6726NMC6725
NM
C2864
0.1u/50
C2865
0.1u/50
*C2762
NM
C3298
2200p/50
C3297
2200p/50
C3296
0.1u/50
C3295
C3294
C3293
C3972
NM
C2980
NM
C2981
NM
C3970
NM
D3901
NM
D2851
NM
D2801
NM
D2802
NM
D2852
NM
*D2701
1SS302
D2691
1SS302
D2692
1SS302
*D2702
1SS302
*D3903
RKZ3.3KG(B2)
*D3902
RKZ5.6KG(B2)
GNDD
GNDA
GNDA
GNDA
GNDTC
GNDA
GNDA
GNDA
GNDA
GNDD
GNDA
GNDA
GNDA
GNDD
GNDA
GNDA
GNDD
GNDTC
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
IC2701 TC4066BFN
IN/OUT1
1
OUT/IN1
2
OUT/IN2
3
IN/OUT2
4
5
CIN2
6
CIN3
7
VSS
8
IN/OUT3
9
OUT/IN3
10
OUT/IN4
11
IN/OUT4
12
CIN4
13
CIN1
14
VDD
TC4052BFN
IC6703
0Y
1
2Y
2
Y-COM
3
3Y
4
5
1Y
6
INH
7
VEE
8
VSS
9
B
10
A
11
3X
12
0X
13
X-COM
14
1X
15
2X
16
VDD
*IC2702
NJM4565MD
5
4
6
7
8
IC2801
NJM4565MD
3
4
2
1
8
*IC2702
NJM4565MD
3
4
2
1
8
*IC2751
NJM4565MD
5
4
6
7
8
IC2801
NJM4565MD
5
4
6
7
8
*IC2751
NJM4565MD
3
4
2
1
8
BD3473KS2
IC3273
SBLOUT1SBROUT2COUT
3
SWOUT
4
SLOUT5SROUT6FLOUT7FROUT
8
VEE
9
CLOCK10DATA11DGND12VCC13TNF1
14
BNF1
15
BOUT116BOUT217BNF218TNF219AGND1
20
AGND2
21
SBLIN1
22
SBRIN1
23
CIN1
24
SWIN1
25
SLIN1
26
SRIN1
27
FLIN1
28
FRIN1
29
AGND3
30
ADCL
31
ADCR
32
AGND4
33
SUB1R
34
SUB1L
35
AGND5
36
INR1
37
INL1
38
INR2
39
INL2
40
INR341INL342INR4
43
INL4
44
INR545INL546INR647INL648INR749INL750INR8
51
INL852INR953INL9
54
INR1055INL1056INR11
57
INL11
58
INR1259INL12
60
AGND6
61
INR13/FRIN2
62
INL13/FLIN2
63
INR14/SRIN2
64
INL14/SLIN2
65
INR15/SWIN2
66
INL15/CIN2
67
INR16/SBRIN2
68
INL16/SBLIN2
69
AGND7
70
INR17/RECR1
71
INL17/RECL1
72
INR18/RECR2
73
INL18/RECL2
74
RECR3
75
RECL3
76
RECR4/SUB2R
77
RECL4/SUB2L
78
AGND8
79
AGND9
80
NM
Q2853
RT1N241M
Q6703
RT1N241M
Q6704
P241M-11
Q2722
NM
Q2802
NM
Q2801
NM
Q2851
2E
1
2B
2
1C31E
4
5
1B
6
2C
Q2803
IMX25
*Q3901
2SC5712
Q2803
IMX25
NM
Q2852
NM
RY2851
+-
NM
RY2851
2
3
4
7
8
9
R3996
NM
R3995
NM
R2828
0
R2827
0
R2823
NM
R2824
NM
R6781
0
R6780
0
R2817
10
R2818
10
R3992
NM
R3991
NM
*R39010*R3902
0
R2867
5.6k
R2865
5.6k
R2752
47k
R2757
47k
R2754
47k
R2753
47k
R2756
47k
R2755
47k
R2853
NM
R2852
NM
R2861
0
*R2862
47k
*R2864
47k
*R2866
47k
R2758
22k
*R3915
3.3k
R2702
6.8k
R2821
NM
R2851
NM
R2816
22k
R2610
NM
R2802
NM
*R3904
2.2k
R2611
1k
R2815
22k
R2801
NM
R2609
NM
R2812
220k
*R2711
10
R2612
1k
R2709
330
R2708
5.6k
*R3920
NM
*R3921
NM
R2710
330
*R2688
1.5k
R2810
220
*R3919
0
*R3918
0
*R3917
0
R3018
NM
R6746
22k
*R6745
22
R6743
6.8k
R6744
8.2k
R2809
220
R6742
15k
*R6738
47k
R2725
0
*R6748
47k
*R6747
47k
R2687
1M
R6751
NM
R6750
NM
R2842
0
R2841
0
R2840
0
R2839
0
R2854
NM
R2837
0
R2836
10
R2835
10
R2834
10
R2832
10
R2831
10
R2843
0
R3913
NM
*R3916
330
R2751
47k
R6793
0
R6792
0
R2808
220k
R2820
18
1/4W
R2814
5.6k
R3993
NM
R6784
0
R6783
0
R6782
0
R2825
NM
R2805
10k
R2705
8.2k
*R3905
1M
R2826
NM
R2811
220k
*R2868
47k
R6779
NM
R6778
NM
R6769
1.8k
R2822
NM
R2819
18
1/4W
R2691
1k
R2692
1k
R2813
5.6k
R6777
0
*R3903
0
R2713
NM
R6773
18k
R6771
270k
R6774
270k
R6776
47k
*R2712
10
R2721
47k
R2803
1k
R2764
22k
R2703
1.5k
*R2763
22
R2761
8.2k
R2760
6.8k
R2759
15k
R6772
1.8k
R6770
18k
R2804
1k
R6775
47k
R2806
10k
R3020
0
R3019
NM
R2704
1.5k
R2856
NM
*R3906
1M
R2701
6.8k
R2707
5.6k
R2855
NM
R2838
0
R2724
0
R27230R2722
0
R3296
6.8k
R3295
6.8k
R2740
NM
R2706
8.2k
R2833
10
R2741
NM
R2714
NM
R3975
0
R2807
220k
R3984
0
*R3983
100
*R3982
100
R3981
0
*R3907
0
R3912
NM
R3911
NM
R2863
0
*R3976
0
R6737
0
*R3914
3.3k
V+5_T
V+7_A
V-7_A
V-12_A
V-7_A
V+12_A
V+12_A
V+7_A
V+7_A
V-7_A
V-7_A
V-12_A
V-12_A
V-7_A
V-12_A
V+12_A
V-12_A
V+12_A
V+7_A
V+5_T
V+12_AB
V+7_A
V-12_A_HP
V-12_A_RY
V+12_A_RY
V+7_A
V+7_A
V+12_A
V-12_A
V+12_A
V-12_A
V-7_A
V+12_A_HP
V-12_A_HP
V+12_A_HP
V-7_A
V+7_A
V-7_A
V+12_A
V-12_A
Z_SIG_DET
A_A_TU_L
REC_M
Z2O_R
ZONE_L
Z2MUTE
Z2O_L
ZONE_R
PREOUT
A_A_TU_R
R2829
100k
R2830
100k
R3228
NM
C3228
NM
R2567
0
R2568
0
R3929
0
*IC6702
NJM4565MD
3
4
2
1
8
*IC6702
NJM4565MD
5
4
6
7
8
TUNER
SELMID
SOUND
PRE_BUF
SELMID
SELMID
SELMID
I-ctl
SOUND
SOUND
SOUND
SOUND
SOUND
SOUND
SOUND
SELMID
SOUNDSOUND
SOUND
SOUND
Z_SIG_DET
2125
2125
2125
2125
3216
3216
2125
2125
2125
SW DOWN MIX
(GNDHP)
LSSN
IC2701(CONT)
LH
SW DOWN MIX
ON OFF
LH
(1/2)
(2/2)
(1/2)
(2/2)
(2/2)
(1/2)
HEADPHONE AMP
REC_M
BRIDGE
HP<->
ZONE OUT
pattern A
DAC OUT<->
PRE OUT
pattern A
SW PRE AMP
(P3 A-5)
INPUT SELECTOR
& VOLUME
(P3 B-3)
(P3 F-5)
ON
OFF
H
L
IC6703
CONT
HPF
ZONE2 Select
C3293
C3296
ZONE2<->
TUNER
(P3 C-3)
(P3 B-3)
(3p D-3)
(3p E-3)
(3p E-3)
NM
SOUND
C2833
C2831NM
I-ctl
C2833
C2831
10
(I-7)
SOUND
awx1119
awx1122
awx1120
NM
awx1121
awx1275
awx1124
D2701
awx1274
awx1123
1SS302
D2702
(1/2)
(2/2)
(P3 E-5)
(3p F-3)
10
R3983
R3982
(3p E-3)
22
R6745
R2763
awx1122
awx1121
awx1119
awx1120
C3952
C2760
awx1123
awx1274
10u/50 22u/50
awx1275
awx1124
(3p G-5)
(1/2)
(2/2)
SOUND
47kR2866
R2868
SOUND
SOUND
(SBL/FHL OUT)
(SBR/FHR OUT)
TUNER MODULE
!
The mark found on some component parts should be replaced
with same parts(safety regulation authorized) of identical
designation.
Therefore, when replacing, be sure to use parts of identical designation.
When ordering service parts, be sure to refer to "EXPLODED VIEWSand PARTS LIST" or "PCB PARTS LIST".
The > mark found on some component parts indicates the importance of the safety factor of the part.
2. CAPACITORS
No marked Ceramic Capacitors are CKSRYB.
No marked Electrolytic Capaciters are CEAT(VSX and VSA series)
No marked Electrolytic Capaciters are CEAK(SC series)
CH:CCSRCH CFHX:CFHXSQ unless otherwise noted.
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
1000p or less : CCSRCH, Over 1000p : CKSRYB
2. CAPACITORS
No marked Ceramic Cap acitors are CKS RYB.
No marked Electrolytic Capa citers are CEAT(VSX a nd VSA series)
No marked Electrolytic Capa citers are CEAK(SC series)
CH:CCSRCH CFHX:CFHXSQ unless otherwise noted.
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capa city(F)/Voltage(V) unless otherwise noted.
1000p or less : CCSRCH, Over 1000p : CKSRYB
2. CAPACITORS
No marked Ceramic Capacitors are CKSRYB.
No marked Electrolytic Capaciters are CEAT(VSX and VSA series)
No marked Electrolytic Capaciters are CEAK(SC series)
CH:CCSRCH CFHX:CFHXSQ unless otherwise noted.
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
1000p or less : CCSRCH, Over 1000p : CKSRYB
2. CAPACITORS
No marked Capacitors are CEAT or CKSRYB or CKSSYB.
CH: CCSRCH or CCSSCH
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
3. NM: No Mount
NOTE
!
designation.
with same parts (safety regulation authorized) of identical
mark found on some component parts should be replacedThe
Unit: k-k , M-M or unless otherwise noted.
!
!
SCL
SDA
CLK+
CLK-
ADT0+
DAT0-
DAT2-
DAT1+
DAT1-
DAT2+
V+5MHL
220u/16
*C8054
CEAK221M16-TS
220u/16
C8010
CEAK221M16-TS
C8012
0.1u/50
C8014
330p/50
C8004
NM
C8028
NM
C8003
330p/50
C8021
100p/50
C8017
NM
C8019
NM
C8027
NM
C8009
NM
C8001
100p/50
C8031
C8030
0.1u
C8002
0.1u/50
C8029
0.1u
C8011
NM
C8076 NM
C8075 NM
C8074
NM
C8073NMC8072
NM
C8024
0.1u
C8059 NM
C8062 NM
C8061 NM
C8060 NM
C8057 NM
C8058 NM
C8056 NM
C8055 NM
C8013
NM
C8008
NM
C8005
NM
C8007
NM
*C8020
330p/50
*C8016
330p/50
*C8023
2.2u/16
(2125)
C8026
NM
*C8015
100p/50
C8077 NM
*C8018
0.1u/16
*C8022
330p/50
C8006
NM
D8004
RKZ5.6KG(B2)
D8002
NM
GNDCH
GNDCH
GNDCH
GN
GNDCH
GNDCH
GNDCH
GNDCH
IC8001
TPS2557DRB
1
GND1
2
IN1
3
IN2
4
EN5ILIM
6
OUT1
7
OUT2
8
FAULT
9
GND2
STMPS2171T
*IC8002
GND1IN12IN2
3
EN
45
FAULT
6
OUT17OUT28OUT3
DKB1106-A
JA8001
1
2
3
4
RT1
RT2
AKP7268-A
1
Data2+
2
Data2 Shield
3
Data2-
4
Data1+
5
Data1 Shield
6
Data1-
7
Data0+
8
Data0 Shield
9
Data0-
10
Clock+
11
Clock Shield
12
Clock-
13
CEC
14
NC
15
SCL
16
SDA
17
DDC/CEC GND
18
V+5_HDMI
19
Hot Plug Detect
RT1
RT2
RT3
RT4
AEF7008-A
JH8002
NM
JH8001
AKF7002-A
KN8002
1
AKF7002-A
KN8001
1
L8008
NM
1
1
2
2
3
3
4
4
NM
Q8001
R8072
0
R8009
47k
R8008
NM
R8017
NM
R8005
0
R8001
NM
R8007
0
R8003
NM
R8002
NM
R8013
100
R8012
NM
R8016
NM
R8015
22k
R8010
100
R8014
22k
R8023
100
*R8021
0
R8056
NM
R8024
1k
R8060
NM
R8061
NM
R8022
0
R8018
NM
R8019
NM
R8006
0
V+5_USB
*R8073
NM
NM
*Q8008
NM
*Q8009
GNDCH
V+5_EV
V+5_EV
*R8078
NM
V+5F
R8084
NM
R8011
0
NM
Q8002
V+5_EV
R8085
NM
GNDCH
*R8087
300k
D%
*C8078
0.047u/16
V+5F
C8080
NM
MHL
MHL
FRONT HDMI IN
Lo:Disabled
Hi:SCLA=SCLB
SDAA=SDAB
10k
47k
MHL
3.3k
USB
10.6 FRONT HDMI USB ASSY
A
234
B
C
D
E
F
100
1
SC-68
234
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