Kenwood CLX-70-B User manual

©2011-1 CREATED IN JAPAN
This product uses Lead Free solder.
This product complies with the RoHS directive for the European market.
B53-4088-00
KA010<Rev.001>
COMPACT Hi-Fi COMPONENT SYSTEM KA010<Rev.001>20111
SERVICE MANUAL
CLX-70-B
CLX-70-W
CLX-70-P
COPYRIGHT © 2011 Kenwood Corporation of Japan, Limited
Top cabinet
(CLX-70-B : A02-3201-08)
(CLX-70-W : A02-3202-08)
(CLX-70-P : A02-3201-08)
PC Sheet
(CLX-70-B : G16-1325-08)
(CLX-70-W : G16-1326-08)
(CLX-70-P : G16-1325-08)
Function button
(CLX-70-B : K29-8800-08)
(CLX-70-W : K29-8801-08)
(CLX-70-P : K29-8800-08)
Power button
(CLX-70-B : K29-8804-08)
(CLX-70-W : K29-8805-08)
(CLX-70-P : K29-8804-08)
Navigation button
(CLX-70-B : K29-8806-08)
(CLX-70-W : K29-8807-08)
(CLX-70-P : K29-8806-08)
Speaker net
(CLX-70-B : B06-2037-08)
(CLX-70-W : B06-2038-08)
(CLX-70-P : B06-2039-08)
Front cabinet
(CLX-70-B : A22-1955-08)
(CLX-70-W : A22-1956-08)
(CLX-70-P : A22-1955-08)
Display lens
(B10-5680-08)
Front door
(A52-1065-08)
USB jack
(E59-0002-08)
Jack
(E11-1026-08)
SD jack
(E41-4041-08)
SERVICE MANUAL
DANGER:
Please do not lock at the laser beam directly
during repair or operation check.
CLX-70-B : Black
CLX-70-W : White
CLX-70-P : Pink

2
CLX-70
ACCESSORIES
SAFETY/IMPORTANT INFORMATION
Remote control unit
(RC-F0716E : 1)
(A70-1764-08 : 1) FM wire antenna
(T90-0925-08 : 1)
AM loop antenna
(T90-0942-08 : 1)
AC adaptor
(AC-18335A : 1)
(W08-0712-08 : 1)
AC cord
(E : E30-7421-08 : 1)
(X : E30-7437-08 : 1)
The marking of products using lasers
Location: Back panel
The marking this product has been classified as
Class 1. It means that there is no danger of hazard-
ous radiation outside the product.
WARNING : TO PREVENT FIRE
OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO
RAIN OR MOISTURE.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO USER-
SERVICEABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
THE LIGHTNING FLASH WITH ARROWHEAD
SYMBOL, WITHIN AN EQUILATERAL TRIANGLE,
IS INTENDED TO ALERT THE USER TO THE
PRESENCE OF UNINSULATED "DANGEROUS
VOLTAGE" WITHIN THE PRODUCT'S ENCLOSURE
THAT MAY BE OF SUFFICIENT MAGNITUDE TO
CONSTITUTE A RISK OF ELECTRIC SHOCK TO
PERSONS.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
THE EXCLAMATION POINT WITHIN AN EQUI-
LATERAL TRIANGLE IS INTENDED TO ALERT
THE USER TO THE PRESENCE OF IMPORTANT
OPERATING AND MAINTENANCE (SERVICING)
INSTRUCTIONS IN THE LITERATURE ACCOMPA-
NYING THE APPLIANCE.
Information on Disposal of Old Electrical and
Electronic Equipment and Batteries (applicable
for EU countries that have adopted separate
waste collection systems)
Products and batteries with the symbol
(crossed-out wheeled bin) cannot be disposed
as household waste.
Old electrical and electronic equipment and
batteries should be recycled at a facility capable
of handling these items and their waste
byproducts.
Contact your local authority for details in
locating a recycle facility nearest to you.
Proper recycling and waste disposal will help
conserve resources whilst preventing
detrimental effects on our health and the
environment.
Notice: The sign "Pb" below the symbol for
batteries indicates that this battery
contains lead.
Pb

3
CLX-70
Usable D.AUDIO
To control a Kenwood digital audio player from the main unit or
remote control unit, the Kenwood digital audio player connec-
tion cable is necessary.
Usable Kenwood digital audio player models
HDD audio player
• HD20GA7
Memory audio player/recorder
•MGR-E8
•MGR-A7
•M2GD55
•M1GD55
•M1GC7
•M2GC7
Supported iPod/iPhone
• iPod nano (6th generation)
• iPod nano (5th generation)
• iPod nano (4th generation)
• iPod nano (3rd generation)
• iPod nano (2nd generation)
• iPod classic
• iPod touch (4th generation)
• iPod touch (3rd generation)
• iPod touch (2nd generation)
• iPod touch (1st generation)
• iPhone 4
• iPhone 3GS
• iPhone 3G
• iPhone
Resetting the Microcomputer
The microcomputer may malfunction (unit cannot be operated,
or shows an erroneous display) if the power cord is unplugged
while the power is ON, or due to some other external factor. If
this happens, execute the following procedure to reset the mi-
crocomputer and return the unit to its normal operating condi-
tion.
(1) When the power is off (standby mode), press the [AUX]
and [4] buttons on the main unit until FACTORY RESET
appears.
(2) Unplug the AC cord and plug it back in if "RESET FIN-
ISHED" appears.
Memory back up function
Please note that the following items will be deleted from the
unit's memory if the power cord is disconnected from the AC
outlet.
• Input selector settings
• Volume level
• Sound control (preset equalizer, bass enhancement)
• Tuner setting
EXTERNAL VIEW
• Windows Media is a trademark of Microsoft Corporation
registered in the U.S. and other countries.
• SDHC logo is a trademark of SD-3C,LLC.
• “Made for iPod,” and “Made for iPhone” mean that an elec-
tronic accessory has been designed to connect specifically
to iPod, or iPhone, respectively, and has been certified by
the developer to meet Apple performance standards. Apple
is not responsible for the operation of this device or its com-
pliance with safety and regulatory standards. Please note
that the use of this accessory with iPod, or iPhone may af-
fect wireless performance.
• iPhone, iPod, iPod classic, iPod nano, and iPod touch are
trademarks of Apple Inc., registered in the U.S. and other
countries.
• Manufactured under license from DTS Licensing Limited.
DTS is a registered trademark & the DTS Logos and Sym-
bol are trademarks of DTS, Inc. © 1996-2009 DTS, Inc. All
Rights Reserved.
DC jack
(E03-0529-08)
Pin jack
(E63-1426-08)
Tuner
(W02-4720-08)
Pin jack
(E63-1459-08)

4
CLX-70
BLOCK DIAGRAM
Audio L_FM/AM
Audio R_FM/AM L-Speaker Box
Digital Input2
I2CD.AUDIO_L OUT
DOUT SDIN2
AM/FM
TUNER MODULE
Tuner section
RESET D.AUDIO_R OUT LRCLK_AD LRCLK2 L-CH
BCLK_AD BCK2
DC 5V_TU Audio L_Aux In R-CH
Audio R_Aux In A/D
CONVERTOR
U201
DC 3.3V_EN
CLASS D
AUDIO
POWER
AMPLIFIER
U801
Audio L_Tuner DC 5V_EN 8
AUTHENTICATION
CHIP
Audio R_Tuner
Digital Input1 R-Speaker Box
D.Audio In_L SCLK
D.Audio In_R
+5V
SDIN1 DC 18V
D. AUDIO
Input Gnd DC 3.3V_EN LRCLK1
Pre-Amplifier
U804
D. AUDIO control HEX
INVERTER
U202
S0 S1
BCK1 SUB WOOFER
PRE OUT
SCLK_AD
SDIN2
U601
U102
iPod USB
CONNECTOR
CONTROLLER
I2C
I2C
SDA HPR_PWM HPR L
BCLK_iPod
SDL HPL_PWM RC
Filter
RC
Filter
HPL Stereo HP
Amplifier
U806
Audio L_Aux In
LRCLK_iPod
AUX IN Audio R_Aux In
DOUT_iPod
DOUT1 Mute MUTE DC 5V_EN R
Gnd BCLK_iPod
U203
Multiplexer
Switch
LRCLK HPSEL HPSEL
LRCLK_iPod BCK Reset RESET DVDD/AVDD DC 3.3V_EN HPSEL
DOUT_iPod Power EN PDN
Regulator
U904 Stereo
HP Jack
AVCC/PVCC Main DC 18V
iPod_Tx iPod_Reset
BCLK_CD
iPod_Rx
LRCLK_CD DC 3.3V_EN
SDI_CD CD_EN SHR_STR
SHR_DI
I/O
EXPANDER
U105 D. AUDIO control
iPod Dock Section
SHR_CLK DC 5V_EN
D+/D-
Power EN
SOCKET
30PIN IPOD
EEPROM
U103 DC 3.3V_EN
D+/D- DC 5V_Main
D+ I/R IR
RECEIVER
D-
ACC Power Detect(Pin13)
MCU
U101 Key1
ACC Power(Pin13) CD_Rx Key2 Key Board
( Main unit panel )
iPod Detect +5V_iPod DC 5V_Main CD_Tx
+5V_iPod
Digital GND iPod_Rx Pin 07 LCD RST
iPod_Tx PCD RS
LCD CSB LCD701
LCD Module
iPod PWR EN LCD SI
Pin 11 LCD CLK
Disc In_SW MCU 3.3V
Dsic Out_SW DIMMER
CD Disc
MOTER
DRIVER
U511
Disc In
Disc Out CD Dock LED Disc illumination LED On/Off
For C414/717
DC 5V_CD DC 5V_TU Regulator MCU 3.3V
External
USB Devive DC 5V_EN Regulator IC DC 3.3V_EN
BCLK_CD
LRCLK_CD
SDI_CD TU_EN
SD Slot
CD DSP
U509 DC 5V_EN DC 5V_Main
DC 3.3V_CD
4M-Bits Serial
Flash Memory
U504 Tx_CD
Rx_CD
DC 3.3V_CD Power EN
DC 3.3V_CD
Main DC 18V
U512
16M SDRAM
DC 1.8V_CD U501
U502
Regulator IC
Regulator IC
DC 5V_CD
DCJack DC Plug Power Supply
DC/DC
Converter
U901
DC/DC
Converter
U903
AC Adaptor
AC 100-240V
AC Cord
CD
MECHANISM MOTOR
DRIVER
CD_EN
CD/USB Section
8

CLX-70
5
PAD1
C730
IC702
CON701
PAD2
EC701
CON702
LED704
LED705
C725
D702
R705 R717
Q702
Q703
R710
C710
R702 C1
R701
C705
TP8
C721
R716
R715
C716
C731
C714
C713
C712
C711
C706
R707
FB706
R711
C715
R709
LED701
SW715
SW708 SW706 SW712 SW713 SW711 SW707 SW705
CN701
SW714
SW710
SW702
SW709
SW703
SW704
LED703
SW701
LED702
R737 R738
R733
Q724
R723
R790 R791 R721 Q726 R713 Q725
R755
R735 R729 R727 R726 R724
R720 R783
Q721
R782
R785
Q722 Q723
R799
R736
R704
D701
R795
R793
R784
R781
R788
R756
C727
R786
R789
R787
R725
R728
R732
C728
R718
R719
R722
R703
C701
R739
Display board
(SIDE A) (SIDE B) (SIDE A) (SIDE B)
Key board

CLX-70
6
CN101
C824
L801 C822
L802
EC803 EC805
L803
C869 C833
L804
EC902
R2
R1
Q1
R884 R886 R885 R883
R859
D801
D803
R833
R823
R824
Q80
3
R81
R
R835 R8
2
EC821
R3
R4
R812
Q2
Q3
R902
R901
Q902
EC811
R814
Q802
C812
R804
EC801
EC816
EC817
Q801
C245
R233
R231
R232
R234
C244
R813
FB210
FB209
R838
C210
C864
C861
FB804
R7
R844
R843
C868
R854
C820
C841
EC806
R809
C831
R880
R881
C826
U203
R297A
FB803
R297 R831C888 EC814
EC802
R209R208 EC201 R210
A3
C205
FB201
C204
R219
R218
R921
R920
R923
R922
R256
C215
C232
C262
C229
C263
FB220
FB207
C207
Q817
R5
EC202
R226
R223 Q201 R299
C103 C189
R863
R220
R221
EC204
R204
CN602
FB219
C218
R205
X201 EC206 FB204
FB205 EC813
FB888
R610
R646
R647
R648
R649
R650
R651
C614
U601
C601
R642
R624 R623
EC103
R617
C617
EC602 EC603
R619
R618
FB601
Q601
Q635
R917
R638
R216
R202
C203 U202
R201
R271
R270
EC910
R897 R896
U803
L
9
L904
EC904
EC905
R904 R908
Q901
R903
U901
Q911
Q912
EC906 D906
R747
CN701
R187
U105
U902
R144
C145
R193
R186
EC907
R179 R183
R142 C173
R121R169
R139
C172
C171 R194
R195
R196
Q109 R184
R185
R120
R138
R137
R136
R135
CN105
R174 R178 R177
R630
R653
FB603
FB602
R654
C619
EC604
EC101
FB607
FB604
R161
L101 EC106
EC102
L922
C178
R165
R168
R173 X101
R710 C118
R101
R175
R108
R167
R164
CN601
R800
U103
C956
R111
R112
R113
R114
R626
R628
D101
R162
R163
Q101
R171
EC104
R160
R159
R158
R157
R155
R154
R156
R199
R104 R182
R141
R140
R115
R116
FB705
FB704
FB703
FB701
FB702
R106
R109
Q108
R176
Q710
Q709
Q711 Q708
R918 Q914
R916
R927
R926
R900
R925
R924
R198
R188R189R190
Q714 Q713 Q712
EC108
R915
Q913
L905
D805
D105
R905
C909
R839 R840
CN805
Q909
Q910
X202
Q202
R214
R212
R213
C257
R272
Q203
R211
R632 R631
R217
FB101
R633
R634
EC601
X601
R644
R645
R613
R614
R615 R612
C615
R616
EC205
R611
C611
C612
C613 C620 R298
R609
R620
R606
R621
R622
R608
R102
C106
R225
R224
CN801
R864 Q813
C211
C214
R230 R228
R227
R229
C213 C261
R255
C231
R258
C260
L903
CON203
C800
R819
R803
C817
C882
C803
R801
C801
FB809
C809
FB801
C209
R207
R206
FB206
C859
C856 C858
C857 C848
FB802
C832
R805
C815
C825 R292
R293 C819
R291 C816
FB102
FB103
FB104
FB105
D705
R894
CN802
R892
C823
C855
R893
R895
CN803
C854
R807 R808
FB813 FB812
C881
C805 C804
R802
C802
R872
C814
R930
U904
R869
R810
EC820
EC815
Q804
R811
R834
Q805
Q
R850
R629
R627
R933
FB707
FB708
R898
C821R829
C845 C867
R828C836
C834 R836 C851
C891 C1
C2
C890
Q812 R867 R860
FB811C808
R851 C862 EC810
R852 C863
U201
C230
R257
A1
C212
U102
U602
U101
A2
EC203 FB202
FB208 R203
FB810 U806
C865
C852
C835
Z801
C846
C849
R853 C837
C844
U801
CN501
R601R602R640 R641
R625
A4
C208
C206
R909
C847
Main board (SIDE A)

CLX-70
7
C822
L802
EC803 EC805
L803
C869 C833
L804
EC902
R2
R1
Q1
R884 R886 R885 R883
R859
D801
D803
R833
R823
R824
Q803
R818
R842 R861
Z806
R862
R816
EC807 EC809
C889
R835 R821
EC821
U804
R875
U805
FB808
R870 C886C879C873C874C875
Q811 R868 Q815
R3
R4
R812
Q2
Q3
R902
R901
Q902
EC819
EC811
R814
Q802
C812
R804
EC801
EC816
EC817
Q801
C245
R233
R231
R232
R234
C244
R813
FB210
FB209
R838
C210
C864
C861
FB804
R7
R844
R843
C868
R854
C820
C841
C
806
R297A
FB803
R297 R831C888 EC814
EC802
R209R208 EC201 R210
A3
C205
FB201
C204
R219
R218
R921
R920
R923
R922
R256
C215
C232
C262
C229
C263
FB220
FB207
C207
Q817
R5
EC202
R226
R
223 Q201 R299
C103 C189
R863
R220
R221
EC204
R204
CN602
FB219
C218
R205
X201 EC206 FB204
FB205 EC813
FB888
C601
R642
R624 R623
EC103
R617
17
EC603
R619
R618
FB601
Q601
Q635
R917
R638
R216
R202
C203 U202
R201
R271
R270
EC910
R897 R896
U803
L923
L810
L811
D904
C906
R907
R910
C914
C918
C919
R912
U903
R914
L904
EC912
EC911
R928
L902
EC904
EC905
R904 R908
Q901
R903
U901
Q911
Q912
EC906 D906
R747
CN701
R187
U105
U902
R144
C145
R193
R186
EC907
R179 R183
R142 C173
R121R169
R139
C172
C171 R194
R195
R196
Q109 R184
R185
R120
R138
R137
R136
R135
CN105
R174 R178 R177
R
175
R
108
R
167
R
164
EC104
R158
R157
R155
R154
R156
R199
R104 R182
R141
R140
R115
R116
FB705
FB704
FB703
FB701
FB702
R106
R109
Q108
R176
Q710
Q709
Q711 Q708
R918 Q914
R916
R927
R926
R900
R925
R924
R198
R188R189 R190
Q714 Q713 Q712
EC108
R915
Q913
L905
D805
D105
R905
C909
EC903
D902 C922
R911
L901
D901
D905
R839 R840
CN805
Q909
Q910
X202
Q202
R214
R212
R213
C257
R272
Q203
R211
R632 R631
R217
FB101
R633
R634
EC601
X601
R644
R645
R621
R622
R608
R102
C106
R225
R224
CN801
R864 Q813
C211
C214
R230 R228
R227
R229
C213 C261
R255
C231
R258
C260
L903
CON203
C800
R819
R803
C817
C882
C803
R801
C801
FB809
C809
FB801
C209
R207
R206
FB206
C859
C856 C858
C857 C848
FB802
C832
R805
C815
R293
C819
R291 C816
R892
C823
C855
R893
R895
CN803
C854
R807 R808
FB813 FB812
C881
C805 C804
R802
C802
R872
C814
R930
U904
R869
R810
EC820
EC815
Q804
R811
R841
R834
Q805
Q806
R850
C880
C884 C870 FB805
C883
R876
R825
C885
C887
R873
R866
FB829
FB806
R879
FB822
R874
R822
C878
FB821
R877
C876
R933
FB707
FB708
R898
CN901
R865
C821R829
C845 C867
R828C836
C834 R836 C851
C891 C1
C2
C890
Q812 R867 R860
FB811C808
R851 C862 EC810
R852 C863
U201
C230
R257
A1
C212
U102
U101
A2
EC203 FB202
FB208 R203
FB810 U806
R878
R879BFB807
FB828
C865
C852
C835
Z801
C846
C849
R853 C837
C844
U801
R601R602R640 R641
R625
A4
C208
C206
R909
C847

CLX-70
8
C829
T70 R858
T71
C842
C866
C827
T6
9
T
C850
C838
C830
C828
T40
T42
T43
T44
T95
T46
T41
T45
T96
T47
T61 T62
T59 T60
T57 T58
T55 T56
T8
T5
T7
T1
T6
T4
T3
T79
T32
T39
T34
T31
T30
T29 T36
T38
T37
T33
T35
C1
2
C109
C10
4
R827
R857
R635
C217 C216
C201 C202
C910
C913
R929
C916
C924
C901
C931
C904
C903
C930
C908
C923
R746 R745 R744
C723 C722 C720
C704 C703 C702 C701
R743 R742 R741 R740
C920
R110
R722
R723
R181
R153
R152
R180
R151
R150
R149
R123
R124
R125
R127
R128
R129
R107
C602 C603
C618
C608
T67 T65
T63
T66 T64
Main board (SIDE B)

CLX-70
9
C829
T70 R858
T71
C842
C866
C827
T69
T68
C850
C838
C830
C828 R826
T94
T92
T90
T93
T91 T89
T10
T11
T12
T13
T14
T16
T17
T18
T19 T20
T15
T40
T42
T43
T44
T95
T46
T41
T45
T96
T47
T61 T62
T59 T60
T57 T58
T55 T56
T32
T39
T34
T31
T30
T29 T36
T38
T37
T33
T35
C120
C109
C104
R130
C101
T72
T75
T81
T83
T82
T78
R827
R857
C227
R635
C217 C216
C201 C202
C186
R132
R131
C910
C913
C916
C923
R746 R745 R744
C723 C722 C720
C704 C703 C702 C701
R743 R742 R741 R740
C920
R110
R722
R723
R181
R153
R152
R180
R151
R150
R149
R148
R147
R146
C113
C114
R166
R123
R124
R125
R127
R128
R129
R107
R133
C602 C603
C618
C608
C616
T67 T65
T63
T66 T64

CLX-70
10
R956 R958
R966
R967
C907
R965 C906
C955 R968
C905
R964
R963
C904
R962 C903
CN901
CN902
R961 R960
C954
USB901
JK912
R902 P29
C956
CON906
C902
R969
C958
L911
L923
L902
L904
L901
SD901
SD/USB board (SIDE A)
SD/USB board (SIDE B)

CLX-70
11
R956 R958
R966
R967
C907
R965 C906
C955 R968
CN902
R961 R960
C954
USB901
JK912 JK911
R902 P29
C956
CON906
R901 C981
L983
C902
R969
C958
L911
L923
L902
L904
L901
R981
L903
L982
C982
L984
SD901

CLX-70
12
JK802
J
DC/AUX board (SIDE A)
DC/AUX board (SIDE B)

CLX-70
13
JK201 JK901
CN902

CLX-70
14
CN902 CN905
CN903
CN904
Software conn. board (SIDE A)

CLX-70
15
T80 T103 T110 T108 T106
T9 T102 T104 T111 T109 T107 T105
Software conn. board (SIDE B)

CLX-70
16
CE502
R579
R504
CN503
R549 X501
R552
C581 R513
CN506
R518
R516
C506
C509
U503
C546
R556
R534
R528
R533
R510
R536
R508
R507
R567
C528
R532
U504
RN506
RN505
R529
R599
R526
L506
C531
R573
R582
R574
C527
R572
R575
R542
R566 R543
U509
R551
C567
C545
U512
C551
C503
R581
R524
R523
R583
R515
R586
R589
R588
R584
R585
R587
R546
R545
R544
R538
R537
R535
R598
R527
R531
C532
R554
R592
R560
L514
R501
R502
R565
R563
R562
R561
R550
R596
R597
R530
R539
C517
C519
C515
C518
D501
C596
D510
R571
FB510
FB509 FB511 R547
R559
R558
R505 R553
C584
R511
R514 R517
FB502
FB503
C508 R521
R520
R519
R512
R557
C520
C539
C526
C525
C522
C521
R578
FB513
R591
R590
R522
C558
R540 R541
R500 C583
R594
Q506
L512
L504
L521
L508
C549
C540
C582
L507
L519
C577
L505
FB512
R548
R555
L520
FB508
FB501
C556
C555
C513
C578
R509
CN504
CN505
Q507
C514
R506
Q501 C511
C572 C571
L511
L502
C542
C541
C573
C574
C516
C580
C507
C510
Q508
R593
L513 C547
C500
Q505
D502 Q500
Q504
C561
Q503
D506 Q502
C530
C534
C537
C533
RN501
C535
RN502
RN503
RN504
C538
C552
C550
C553
C554
L510 C505
C523
C504
C502 C589
U502
U501
C597
R580 FB514
C536
U511
C548
C501
C524
C594
C595
EC503 CN502
C557
C559
C566
C512
C593
C570
C576
L501
C568
L503 L518
C575
CN507
CN501
C529
R577
R503
R595
R525
C543
C544
L515
CD board (SIDE A)

CLX-70
17
CD board (SIDE B)

CLX-70
18
R605 R606
C610 R607
IPOD_JACK
iPod board (SIDE A)
iPod board (SIDE B)

CLX-70
19
0
6
C608
C615
FB601
C611
C612
CON603

CLX-70
20
To DSP CN504
To Micom
To Micom
To Micom
MCU_+3V3
UPDATE_VCC +5V
GND GND
GND
GND
GND GND
GND GND
GND GND
GND
GND GND
GND
GND
GND
IPOD_+5V
IPOD_EN
POWER_EN
TUNER_VCC
TUNER_EN
ON_+5V CD_+5V
ON_+
5
C
D
C
D
U
S
C
L
O
P
L
O
L
O
U
S
CD_+5V
U902
D906
EC906
EC907 C920 R900
R933
ON_+5V
L905
Q913
R915
R916
Q914
R917
R918
Q911
EC910 C916 R924
R925
Q912
R927
R926
L903
EC909 R920
R921
Q910
R922
R923
C913 EC904 C910
L902
R908
C909 D9
0
L904
R914
D905
R912
EC905
C923
CN501
T10
T11
T12
T13
T14
T15
T16
T17
T18
T19
T20
Q909
GND
Power source