Marantz SR4023 User manual

SR4023
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
SR4023
SR4023 /N1B/U1B
Part no. 90M03DW855010
First Issue 2008.07
MZ
Receiver
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. POWER AMPLIFIER ADJUSTMENT .................................................................................. 2
3. SERVICE MODE .................................................................................................................. 3
4. UPDATE MICROPROCESSOR SOFTWARE PROCEDURE .............................................. 4
5. WIRING DIAGRAM .............................................................................................................15
6. BLOCK DIAGRAM ..............................................................................................................17
7. SCHEMATIC DIAGRAM .....................................................................................................19
8. PARTS LOCATION .............................................................................................................24
9. EXPLODED VIEW AND PARTS LIST ............................................................................... 33
10. MICROPROCESSOR AND IC DATA.................................................................................. 36
11. ELECTRICAL PARTS LIST ................................................................................................ 44
12. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE .............................. 62
TUNING/
PRESET MEMORY
STANDBY
POWER ON/STANDBY
MUTECLEART.MODEDIMMER F/P BANDS.DIRECT
DOWN
VOLUME
UP
INPUT
SELECTOR
RECEIVER SR4023
PHONES
DISP AUTO TUNED ST
SLEEP DIRECT SPKR B

安全上の注意：
がついている部品は、安全上重要な部品です。必ず指定されている部品番号のものを使用して下さい。
MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.
Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which
it is famous.
Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent.
ORDERING PARTS :
Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be specified.
The following information must be supplied to eliminate delays in processing your order :
1. Complete address
2. Complete part numbers and quantities required
3. Description of parts
4. Model number for which part is required
5. Way of shipment
6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.
SHOCK, FIRE HAZARD SERVICE TEST :
CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC
cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product
and controls and chassis bottom.
Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied,
and verified before it is return to the user/customer.
Ref. UL Standard No. 60065.
In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.
080702MZ
USA
MARANTZ AMERICA, INC
100 CORPORATE DRIVE
MAHWAH, NEW JERSEY 07430
USA
EUROPE / TRADING
D&M EUROPE B. V.
P. O. BOX 8744, BUILDING SILVERPOINT
BEEMDSTRAAT 11, 5653 MA EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2507844
FAX : +31 - 40 - 2507860
KOREA
D&M SALES AND MARKETING KOREA LTD.
CHUNG JIN B/D., #1001,
53-5, WONHYORO 3 GA, YONGSAN-GU,
SEOUL, 140-719, KOREA
PHONE : +82 - 2 - 323 - 2155
FAX : +82 - 2 - 323 - 2154
CANADA
D&M Canada Inc.
5-505 APPLE CREEK BLVD.
MARKHAM, ONTARIO L3R 5B1
CANADA
PHONE : 905 - 415 - 9292
FAX : 905 - 475 - 4159
JAPAN
D&M BUILDING, 2-1 NISSHIN-CHO,
KAWASAKI-KU, KAWASAKI-SHI,
KANAGAWA, 210-8569 JAPAN
D&M Holdings Inc.
CHINA
D&M SALES AND MARKETING SHANGHAI LTD.
ROOM.808 SHANGHAI AIRPORT CITY TERMINAL
NO.1600 NANJING (WEST) ROAD, SHANGHAI,
CHINA. 200040
TEL : 021 - 6248 - 5151
FAX : 021 - 6248 - 4434
NOTE ON SAFETY :
Symbol Fire or electrical shock hazard. Only original parts should be used to replaced any part marked with symbol .
Any other component substitution (other than original type), may increase risk of fire or electrical shock hazard.

1
TUNING/
PRESET MEMORY
STANDBY
POWERON/STANDBY
MUTECLEART.MODEDIMMER F/P BANDS.DIRECT
DOWN
VOLUME
UP
INPUT
SELECTOR
RECEIVER SR4023
PHONES
DISP MULTI AUTO TUNED ST V
–
OFF NIGHT PEAK ANALOG
DIGITAL
ATT
SLEEP SURR
AUTO DIRECT DISC 6.1 MT X 6.1 SPKR B EQ
DIGITAL
SURROUND
PCM
L
C
R
SL S SR
LFE
15-5/16 in (388 mm)
7/8 in
(22 mm)
3/4 in
(17.5 mm) 13-3/4 in (348.5 mm)
9/16 in
(14 mm)
5-13/16 in
(146.5 mm)
17-5/16 in (440.0 mm)
6-3/8 in
(160.5 mm)
FM TUNER SECTION
Frequency Range ....................................... 87.5 - 108.0 MHz
Usable Sensitivity .................................. IHF 1.8 µV/16.4 dBf
Signal to Noise Ratio..........................Mono/Stereo 75/70 dB
Distortion ........................................... Mono/Stereo 0.2/0.3 %
Stereo Separation............................................... 1 kHz 45 dB
Alternate Channel Selectivity .................± 300 kHz 60 dB [N]
..........................................................± 400 kHz 60 dB [U]
Image Rejection............................................... 98 MHz 70 dB
Tuner Output Level ............ 1 kHz, ± 40 kHz Dev 500 mV [N]
Tuner Output Level ............ 1 kHz, ± 75 kHz Dev 800 mV [U]
AM TUNER SECTION
Frequency Range ....................................531 - 1602 kHz [N ]
....................................520 - 1710 kHz [U ]
Signal to Noise Ratio.................................................... 50 dB
Usable Sensitivity .......................................... Loop 400 µV/m
Distortion ....................................... 400 Hz, 30 % Mod. 0.5 %
Selectivity .................................................± 18 kHz 70 dB [N]
Selectivity .................................................± 20 kHz 70 dB [U]
AUDIO SECTION
Rated Power (40 Hz - 20 kHz)
8 ohms ..............................................................80 W / Ch
6 ohms ............................................................100 W / Ch
THD (40 Hz - 20 kHz)...................................................0.08%
Input Sensitivity/Impedance
Linear..................................................200 mV/ 47 kohms
Signal to Noise Ratio (HIF A)
Linear...................................................................... 95 dB
GENERAL
Power Requirement .........................AC 230 V 50/60 Hz [ /N ]
..............................AC 120 V 60 Hz [ /U ]
Power Consumption .....................................................220 W
Weight ......................................................................... 9.0 kg
ACCESSORIES
Remote Control Unit RC002SR............................................1
AAA-size batteries............................................................... 2
FM Antenna..........................................................................1
AM Loop Antenna.................................................................1
AC Power Cord.....................................................................1
User Guide ...........................................................................1
1. TECHNICAL SPECIFICATIONS
DIMENSIONS

2
2. POWER AMPLIFIER ADJUSTMENT
Idling Current Alignment
1. Each of the measurement points are provided with the two test points. Set a digital Voltage meter to DC voltage input,
connect the meter to the test points at both contact points.
2. After the setup above, turn on the main switch.
3. Adjust variable resistors (VR51 - VR61) according to the digital voltmeter readings. The target setting value is the
following table for each channels.
Settings :
Master Volume — Minimum
Speaker out — No Load
Top lid — OPEN
Time Table of Idling Current Rise
Channel Alignment Point Measurement Point
L ch VR51 CN51
R ch VR61 CN61
After Turning ON
Ambient temperature
20 to 30 degrees centigrade
Measurement Voltage
10 min. 5 mV ± 0.5 mV
20 min. 5 mV ± 0.5 mV
30 min. 5 mV ± 0.5 mV

3
V080612 1N
Month Date Release No. Destination Year
MZ XXXXXXXXX
(XX is displayed in Hex)
S E R V I C E M O D E
S R 4 0 2 3
3. SERVICE MODE
Microprocessor (IC41) and FLD Segment Check Mode.
Connect the mains cord into the unit.1.
Press the2. POWER ON/STANDBY button for turn on the unit.
Press the3. DIMMER, MUTE and TUNING/PRESET UP buttons simultaneously more then 3 seconds.
The FL display shows "SERVICE MODE" for 2 seconds then shows the model name.4.
Press the5. S.DIRECT button, the software version of the MAIN CPU (IC41) is displayed in the format below.
Press the6. S.DIRECT button again, the serial Number of the unit is displayed.
Press the7. S.DIRECT button again, the left half, right half and center of the label area in the FLD light on and
off each other.
Press the8. S.DIRECT button again, the segments of the character area in the FLD flick in checker pattern.
Press the9. S.DIRECT button again to quit this mode.
HOW TO RESET THE UNIT
Should the operation or display seem to be abnormal, reset the unit with the following procedure.
The unit is turned on, press and hold the MUTE and S.DIRECT buttons simultaneously for 3 seconds or more.
Remember that the procedure will reset the settings of the TUNER PRESET etc., to their initial settings.

4
4. UPDATE MICROPROCESSOR SOFTWARE
PROCEDURE
When microprocessor software was updated, update the
software in the following procedure.
Necessary Equipment
• Windows PC (OS: Windows2000 or WindowsXP) with
Serial port.
• RS-232C Dsub-9 pin cable (female to female/straight
type).
• DATA UPDATE KIT (90M-SR4500JIG)
• Update tool (FlashProg.exe, other files and folders in
Flash Programmer folder)
• Update data (SR4023_yymmdd-vv.h16)
NOTE : The yy is two digits of year. The mm is month. The
dd is date. The vv is release number.
The update data is same as SR5023 and ST6003.
[A] Update Procedure
Create the MODEL NAME folder into anywhere on your1.
PC's hard disk.
(Ex.: SR4023_SR5023_ST6003)
Put the "Flash Programmer" and "software" folder into the2.
MODEL NAME folder.
Double click the "Flash Programmer" folder.3.
4. UPDATE MICROPROCESSOR SOFTWARE
PROCEDURE
マイコンのソフトウェアが更新された場合、下記の手順に従っ
てアップデートしてください。
必要機器
•Windows PC (OS:Windows2000またはWindowsXP) で
Serialポートのあるもの
•RS-232Cストレートケーブル (9pinメス−9pinメス)
•DATA UPDATE KIT (90M-SR4500JIG)
•アップデート用書き込みソフトウェア
(Flash Programmerフォルダ内 FlashProg.exe、および他
のファイルとフォルダ)
•アップデート用データ (SR4023_yymmdd-vv.h16)
注意 : yyは年の下二桁、mmは月、ddは日、vvはリリースナン
バーアップデート用データはSR5023, ST6003と同じで
す。
[A] Update Procedure
モデル名のフォルダをPCのハードディスクに作成します。1.
(例：SR4023_SR5023_ST6003)
"Flash Programmer"と"software"フォルダをモデル名フォ2.
ルダにコピーします。
"Flash Programmer"フォルダをダブルクリックします。3.

5
Double click FlashProg.exe, and launch the Flash 4.
Programmer.
NOTE : When a Flash Programmer does not launch even if
double-clicked FlashProg.exe, please refer to "[B]
When a Flash Programmer did not launch".
The following dialog box appears several seconds later 5.
after the Flash Programmer launch.
Click OK.
NOTE : Since Flash Programmer communicates with the
unit automatically, the above dialog box appears
when it fails in communication.
FlashProg.exeをダブルクリックし、Flash Programmerを4.
起動します。
注意 : FlashProg.exeをダブルクリックしてもFlash
Programmer が起動しない場合は、"[B] When a Flash
Programmer did not launch"を参照してください。
Flash Programmer起動後、数秒で下記のダイアログボック5.
スが表示されます。
OKをクリックします。
注意 : Flash Programmerは本機に自動的に通信接続を行いま
す。このダイアログボックスは通信接続に失敗すると常
に表示されます。

6
Click the6. Setup in the menu bar and select the Object
file.
Click7. Browse.
メニューバーから6. Setupをクリックし、Object fileを選択
します。
Browse7. をクリックします。

7
Choose the8. iHEX Format(*.h16,*.h20) in Files of type.
Choose the SR4023_yymmdd-vv.h16, and click Open.
NOTE : The yy is two digits of year. The mm is month. The
dd is date. The vv is release number.
Click9. Device tab.
Files of type を8. iHEX Format(*.h16,*.h20)に変更します。
SR4023_yymmdd-vv.h16を選択し、Openをクリックしま
す。
注意 : yyは年の下二桁、mmは月、ddは日、vvはリリースナン
バー
Device9. タブをクリックします。

8
Choose the10. TMP86FS49 in the Device, and choose the
870/C in the Series.
Check the Address Option.
Click the Apply.
And click Communication tab.
Deviceから10. TMP86FS49を選び、Seriesから870/Cを選択
します。
Address Optionをチェックします。
Applyをクリックします。
そして、Communicationタブをクリックします。

9
Choose the11. Serial port number in the COM Port.
Choose the 9600 in the Data Rare.
And Click OK.
Disconnect the mains cord from the unit.12.
Connect PC and the unit with the RS-232C cable.13.
Insert a thin rot to the hole and push the switch (SW73)14.
inside to turn on the switch..
COM Portから使用する11. ポート番号を選択します。
Data Rate Manualにチェックを入れ、Data Rareから9600
を選択します。
OKをクリックします。
本機から電源ケーブルを外します。12.
DATA UPDATE KITとPCの各RS-232C端子をRS-232Cケ13.
ーブルで接続します。
細い棒を使い本機のリアパネルにある穴からスイッチ14.
(SW73)を押します。

10
Connect the mains cord into the unit. And turn on the15.
unit. (/N1B)
NOTE : When the unit is into boot mode, stand-by LED is
not lights up.
The Flash Programmer communicates automatically.16.
When communication succeeds between a unit and a
program, you can operate it.
Click E (Erase).
Click17. OK.
Click18. OK.
本機に電源ケーブルを接続します。15.
注意 : 本機はブートモードになり、Stand-by LEDは点灯しま
せん。
Flash Programmerと本機との間で自動的に通信が行われ、16.
通信に成功すると操作が可能になります。
E (Erase)をクリックします。
OK17. をクリックします。
OK18. をクリックします。

11
Click19. P (Program) to start update.
Software is written into the microprocessor.20.
The writing of software takes about 1 minute 15 seconds.
If the software is updated successfully, a dialog box 21.
saying "R006: Programming completed successfully."
appears.
Click OK.
P (Program)19. をクリックし、アップデートを開始します。
ソフトウェアがマイコンに書き込まれます。20.
ソフトウェアの書き込みにかかる時間はおよそ1分15秒で
す。
アップデートが完了すると"R006:Programming21.
completed successfully."と書かれたダイアログボックスが
表示されます。
OKをクリックします。

12
Click the22. File in the menu bar and select the Exit.
Disconnect mains cord and RS-232C cable from the unit23.
Turn off the internal switch (SW73) that has been turned24.
on at step 14.
Connect mains cord into the unit, and turn on the unit to25.
reset it.
[B] When a Flash Programmer did not launch
Open the FlashProg.ini in the Flash Programmer folder1.
by text editor. (EX.: Notepad, etc)
メニューバーの22. Fileをクリックし、Exitを選択します。
電源ケーブルとRS-232Cケーブルを本機から外します。23.
手順14のスイッチ(SW73)を押してブートモードを解除し24.
ます。
電源ケーブルを接続し、電源を入れ、本機をリセットしま25.
す。
[B] When a Flash Programmer did not launch
Flash Programmerフォルダ内のFlashProg.iniをテキスト1.
エディタで開きます。（メモ帳など）

13
Delete the text "OpenFile=C:\...(your PC setting)...\???.2.
h16".
テキスト文の"OpenFile=C:\...(PC環境により異なりま2.
す。)...\???.h16"を削除します。

14
Save the FlashProg.ini.3.
Close the text editor.4.
Probably you can launch the Flash Programmer. Go to5.
the [A] Update Procedure step 4.
FlashProg.iniを上書き保存します。3.
テキストエディタを閉じます。4.
Flash Programmerを起動することが出来ますので5. [A]
Update Procedure手順4に戻ってください。.

15 16
POWER
SW PWB
H/P
(HEADPHONE)
PWB
MAIN TRANSFORMER
SUB
TRANSFORMER
HEATSINK
CN91
CN92
JW99
CN95
CN94
CN71
CN43
CN42
JW98-1
JW98-3
JW98-2
CN93
CN36
BN95 CN81
FRONT PWB
MAIN PWB
VIDEO PWB
CN98(U VER ONLY) BN71
(SR4023/SR5023)
TUNER
MODULE
BRIDGE DIODE
BN36
AC INLET
CN99
FFC CABLE
FFC CABLE
H/P
S1
S2-S3
* TUNER MODULE
CN97(N VER ONLY)
N VER ONLY
U VER : FFC CABLE (15 PIN)
N VER : FFC CABLE (17 PIN)
MAIN CAPACITOR
JW40
JW40-1
5. WIRING DIAGRAM

1817
(SAME AS LEFT CHANNEL)
PRE OUT
SUBWOOFER
FILTER
PRE OUT
MAIN IN
MUTE
MAIN AMP
DISCRETE
CONTROL
TONE
VOLUME
M61541FP +14dB
BUFFER
RS232C
AUDIO
PHONO IN
OUT
CD
DSS
DVD
AUX
IN
IN
IN
IN
OUT
AUX
DSS
DVD
VCR
MONITOR OUT
NJM2595
PHONO
CD
AUX
DSS
CD-R OUT
TAPE OUT
DVD
VCR
TC9163
MAIN
TUNER
SPEAKER
SELECT
SWITCH
4
3
2
1
+
+
-
-
POWER
TRANSFORMER
VFD POWER
AC 4V
REGULATED
+15V,-15V
MAIN-AMP
POWER
AC4V
PRIMARY FUSE
+15V
-15V
+B
-B
SWITCHED
*UNSWITCHED
RELAY
USA : AC120V/60Hz
EUR : AC230V/50Hz
N
L
V.F.D
REMOTE
SENSOR
U-COM +5V
REGULATOR
SUB
TRANSFORMER
POWER
SWITCH
*EUR
ONLY
(USA ONLY)
AC OUTLET
*USA ONLY
RIGHT CANNEL
ANTENNA
(AM+FM)
REMOTE
CONTROL
IN/OUT
SPK.A
SPK.B
HEADPHONE
PROTECT
VIDEO
FLASHER
T5CB5
NJU3430
DRIVE IC
ST202EBW
(RELAY)
RELAY
6dB Amp,
EQ-AMP
75 ohm Driver
CD-R IN
TC9164
TAPE IN
IN
IN
OUT
IN
OUT
IN
IN
IN
IN
CD-R
TAPE
VCR OUT
VCR IN
TUNER MODULE
(AM+FM)
AC INLET
IN
R ch
R ch
L ch
L ch
L ch
R ch
6. BLOCK DIAGRAM

19 20
!
!
!
!
!
!
!
!!
!
!
!
** IMPORTAT SAFETY NOTICE.
-6
IMPOROVEMENT OF PERFORMANCE.
** THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
pF = 10 uF
** THE UNIT OF CAPACITANCE IS MICROFARAD(uF)
K = 1000 OHM. M = 1000KOHM.
** THE UNIT OF RESISTANCE IS OHM.
USE ONLY MANUFACTURER'S SPECIFIED PARTS.
IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS
COMPONENT IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISICS.
!
TO H/P PWB
HP-R
HP-L
S2AC
S2AC
R
L
R
L
CD
PHONO
-VCC
-VCC
+VCC
+VCC
FR_CH
FL_CH
SW_OUT
-1.2V
+1.2V
-1.2V
+1.2V
S3
FROM
AC INLET
T 5.0A L 250V
T 3.15A L 250V
USA :
EUR :
REMOTE
L-CH IN R-CH IN
SUBWOOFER-OUT
L-CH OUT
R-CH OUT
L-CH R-CH
MAIN IN (R-CH)
PRE-OUT (R-CH)
MAIN IN (L-CH)
PRE-OUT (L-CH)
SW IN(L-CH)
SW IN(R-CH)
HP-IN
FL_CH
FR_CH
FL_CH FR_CH
SP A
H/P
AC IN
S1AC
S1AC
S1AC
S1AC
GND
AC
AC
GND
TRANSFORMER
N Ver. ONLY
FROM FRONT PWB
-30V
N.C
N.C
CIN
SWIN
SLIN
SRIN
AGND
SROUT
SLOUT
DATA
CLOCK
DGND
ROUT
LOUT
BASR2
BASR1
BASL2
BASL1
TRER
TREL
AGND
INR
INL
N.C
N.C
N.C
N.C N.C
AVEE
AVCC
N.C N.C N.C N.C
N.C
AGND
RTS
CTS
ST+5V
GND
RXD
TXD
SW OUT(L-CH)
SW OUT(R-CH)
DOWNLOAD
MAIN
TRANSFORMER
MAIN
N.C
AGND
N.C
S3
AC
AC
S2AC
S2AC
DC POWER PROTECTION
SYSTEM MUTE
SEL+
SEL-
VOL DOWN
VOL UP
STEREO IN
TUNED IN
PROTECT
KEY0
VSS
VREF
VDD
PWR-DOWN
XIN
XOUT RESET
SP A
SP B
KEY2
-27V
AC
TO VIDEO PWB
HP-DET
EV-DATA
EV-CLK
F-STB
PLL/F-CLK PLL/F-DO PLL/F- DI PLL CE
HP-ON
KILL_FLA KILL_IR
EP-SCL
EP-SDA
FLASH RX FLASH TX ST-BY LED
AVDD
KEY1
RDS CLK
RDS DA
T-MUTE
V SW1
V SW2
V SW3
BOOT_MODE(ACT'H')
P_FAIL RDS_LED
AC
ST+5V
GND
FROM TUNER MODULE
NC NC NC
WAKE-UP(STOP)
RC-IN VFD RS VFD CS
VFD CLK VFD SO
VFD RST
(ACT'L')
FROM FRONT PWB
MCU
REMOTE_SEL
MODEL SEL
VER. SEL
SDA SCL WP VCC
A2 A1 A0GND
EEPROM
FUNCTION SW
VOL IC
U Ver. ONLY
SUB
TRANSFORMER
SR5023
SR4023
ST6003
OPTION TABLE
(FOR SR5023 ONLY) (FOR SR4023 ONLY)
(FOR SR4023 ONLY)
(FOR
SR4023 ONLY)
(FOR
SR4023 ONLY)
(FOR
SR4023 ONLY)
FUNCTION SW
OP AMP
OP AMP
OP AMP
(RESET IC)
IN
OUT
ST6003 ST6003
OP AMP
(GBJ806)
ST7003
R410 R411
MODEL Ver.
OPEN OPEN N1B
2.2K 2.2K U1B
6.8K 6.8K N1B
10K 10K N1B
15K 15K F1B
Ver.
R
L
DVD
R
L
DSS
R
L
AUX
R
L
IN
R
L
OUT
VCR
R
L
IN
R
L
OUT
(CD-R)
R
L
IN
R
L
OUT
(TAPE)
R
L
PRE-OUT
R
L
MAIN-IN
(MD,FOR
SR5023 ONLY)
(FOR SR4023 ONLY)
SWITCHED
UNSWITCHED
(USA ONLY)
OUTLET
AVCC
AVEE
AVCC
AVEE
BOOT_MODE
+5VA
PROTECT
(ST+5V)
NO USE
SP B
PROTECT
RC-5 OUT POWER ON
(FOR SR5023 ONLY)
FOR SR5023 ONLY
SR5023 SR5023
N Ver ONLY
1
3
4
2
12345
1234
5 6 7 8
A
+ -
B+-
A OUTPUT
A-INPUT
A+INPUT
V-
B+INPUT
B-INPUT
B OUTPUT
V+
12
2
1
3
INOUT
GND
GND
OUT IN 1
3
2
1 2 3
1234
5 6 7 8
A
+ -
B+-
A OUTPUT
A-INPUT
A+INPUT
V-
B+INPUT
B-INPUT
B OUTPUT
V+
2827262524232221201918171615
14 13 12 11 10 9 8 7 6 5 4 3 2 1
2827262524232221201918171615
14 13 12 11 10 9 8 7 6 5 4 3 2 1
10
9
8
7
6
5
4
3
2
1
-
+
-
+
+
-
-
+
1234
5 6 7 8
A
+ -
B+-
A OUTPUT
A-INPUT
A+INPUT
V-
B+INPUT
B-INPUT
B OUTPUT
V+
123 123
1
2
3
4
5
6
7
8
9
10
11121314151617181920
21
22
23
24
25
26
27
28
29
30
31 32 33 34 35 36 37 38 39 40
1234
5 6 7 8
A
+ -
B+-
A OUTPUT
A-INPUT
A+INPUT
V-
B+INPUT
B-INPUT
B OUTPUT
V+
1 2 3 4 5 6 7
2 1 12
1
2 4
5
6
73 1234567
1 2 3
OUT VDD GND
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16151413
121110987654321
8765
4 3 2 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1517
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1517
16
32 45
1 6
32 45
1 6
32 45
1 6
3
2
4
1
3
1
2
GND
Out In
OUT
VSS VDD
3 2 1
1
2
3
4
12345678910111213
2
1
3
GND
Out In
2
3
1
INOUT
GND
1
2
3
GND
Out In
RECODER 1
RECODER 2
0.01uF(M)/100V 0.01uF(M)/ 100V
0.1u(M)/250V0.1u(M)/250V 0.1u(M)/250V0.1u(M)/250V
100P/50V100P/50V
100P/50V100P/50V
82P/50V
82P/50V
20K
10
1SS133M
KTC3199Y
4.7/50V4.7/50V
0.01uF/50V
0.01uF/50V 10
10
NJM2068MD
KTC3199Y
KTC3199Y
820
0.01uF/50V
0.01uF/50V
0.01uF/50V 0.01uF/50V
0.01uF/50V
0.01uF/50V
3.3V
0.022uF/50V
0.022uF/50V
100/16V
100/16V
100/16V
10
10
10
10
10
10
0.022uF/50V0.022uF/50V
1000/25V
15K,1/4W 15K,1/4W
0.022u 0.022u
1000/35V 1000/35V
1N4003SR
1N4003SR
1N4003SR
1N4003SR
KIA7915PI
KIA7815API
10
10
1SS133M
1SS133M
330P/50V
330P/50V
180P/50V
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
470P/50V
470P/50V
220
220 KTC2875B
KTC2875B
4.7/50V
4.7/50V
1.1K 4.7K
39K
4.7/50V
4.7K1.1K
39K
4.7/50V
8200/63V
NJM2068MD
47K 47K
2.2/50V
2.2/50V
TC9163CFG
TC9164CFG
0.022uF/50V
4.7/50V
47K
1K
1K
1SS133M
4.7K
470/10V
KSA1175Y
KTC2785Y
KSC2785Y
10K 10K
10(1W)
100P/50V100P/50V100P/50V100P/50V100P/50V100P/50V100P/50V100P/50V
100P/50V
100P/50V
100P/50V100P/50V100P/50V100P/50V100P/50V 100P/50V 100P/50V 100P/50V
47K 47K 47K 47K 47K 56K56K56K56K56K 56K 56K 56K 56K 56K
100
100
100
100
220
220
220
220
220
220
220
220
1K
1K
220
220
1K
1K
220
220
220
220
8200/63V
KRA107S
0.01uF/50V
0.01uF/50V
0.01uF/50V
0.01uF/50V
0.1uF/50V
0.1uF/50V
0.1uF/50V
0.1uF/50V
0.1uF/50V
0.1uF/50V
0.022uF/50V
0.022uF/50V
100K
10/50V
100
100K
220/16V 100
220/25V
82K
0.039u(M) 0.01uF(M)
1000P(M)
6.8K
22/16V 330
100K
2200P(M)
2200P(M)
100K
330
22/16V
6.8K
1000P(M)
0.01uF(M)0.039u(M)
82K
100
220/16V
100K
100 10/50V
100K
220/25V
10
10
100
100
220P220P
220P220P
NJM2068MD
320mH
320mH
1SS133M
1SS133M
47,1/4W
47,1/4W
0.5uH
75 75
33P/50V
KTA1024Y
KTC3206Y
KTA1024Y
KTC3200GR KTC3200GR
KTC3200GR
560
22K
22K
3.3,1/4W(F)
3.3,1/4W(F)
560
560
560
560 560
1.5K 1.5K10
10
470
270
1SS133M
100/63V
47u/25V
100/63V
5P/50V
18,1/4W(F)
18,1/4W(F)
1/50V
10
33K
10/50V
33K
330P/50V
1.3K
2SD2390
2SB1560
9.1K
9.1K
11K
KTC3200GR
22K
330
47,1/4W
47,1/4W
0.5uH
75 75
33P/50V
KTA1024Y
KTC3206Y
KTA1024Y
KTC3200GR
KTC3200GR
560
22K
22K
3.3,1/4W(F)
3.3,1/4W(F)
560
560
560
560 560
1.5K 1.5K10
10
470
270
1SS133M
100/63V
47u/25V
100/63V
5P/50V
18,1/4W(F)
18,1/4W(F)
1/50V
10
33K
10/50V
33K
330P/50V
1.3K
2SD2390
2SB1560
9.1K
9.1K
11K
KTC3200GR
22K
330
KTA1360Y
KTA1360Y
KTC3423Y
KTC3423Y
1SS133M1SS133M
100P/50V
100P/50V
M61541FP
4.7K
4.7K
0.047uF(M)/50V
0.15uF(M)/50V
0.047uF(M)/50V
0.15uF(M)/50V
0.022uF(M)/50V
0.022uF(M)/50V
4.7/50V 4.7/50V
220pF/50V
KTC2875B
220
5.6K
5.6K
NJM2068MD
10/50V
33K
100P/50V
22K
0.12uF(M)/100V
22K
22K
0.027uF/50V(M) 10/50V
2.2/50V
2.2/50V
1K 1K
560
0.022uF/50V
330
1.2K
KTC3114A
10/100V
220
DUMMY
330
1.2K
KTC3114A
10/100V
220
DUMMY
0.1uF(M)/50V
0.1uF(M)/50V 10(1W)
10(1W)
100K
100K
10
0.01uF/50V
10
0.01uF/50V
1N58191N5819
KTC3198Y
KTC3198Y
KTA1267Y
100K
1000P/50V
10K
47/50V
33K
15K
15K
15K
15K
22K 22K
22K
47
0.1uF/50V
0.47,1W
0.47,1W
0.01uF/100V0.01uF/100V
0.1u(M)/250V
2.2,1/4W
2.2,1/4W
KTA1271Y
390,1W
1.5K
30V
47/50V
47/50V
0.01uF/50V
0.01uF/50V
6.8V
4.7/50V
D901 - D904 : 1N4003SR
4700uF/16V
0.022uF/50V 10, 0.25W
1SS133M
100/16V
0.0047/250V
1K
1K
56K 56K 56K
150K 150K 150K
150K
150K
56K
0.1uF/50V
0.1uF/50V
1SS133M
100
KRA107S
10K 10K
22K
KRA107S
4.5V
1uF/50V
KRA102S
2.2K
2.2K
KTC3199Y
47K
18K
KRA102S
33P/50V
1000/6.3V 0.1uF/50V
T5CB5PQ
16MHz
AT24C08N10SC
10K
10K
0.1uF/50V
47K
100/16V
0.1uF/50V
KRC107S
47K
0.1uF/50V
0.1uF/50V
22K
22K
22K
KRA107S
22K
22K
22K
KRA102S
68K
2.2K
47K
1N4003SR
1N4003SR
0.022u/50V
0.022u/50V
100K 100K
47K
47K
47K
47/16V
GP5A-28-MC
GP5A-28-MC
GP5A-28-MC
G5PA-1 DC6
0.01uF/50V 0.01uF/50V
2
45
6
7
8
9
0.1uF/50V
1SS355
1SS355
OPEN
1SS355
1SS355
OPEN
1SS355
1SS355
OPEN
KRC107S
0.01uF/50V
1N4003SR
KIA79S06PAT(6V)
1N4003SR
1N4003SR
1N4003SR
47K
3.3K
47K
KRA107S
KRA107S
1SS133M
0.1uF/50V
15K
4.7u/50V
6.2V
2.2K
4.7u/50V
S-80842CNY-X
1K
(FOR SR5023 ONLY)
(FOR SR4023 ONLY)
47K
3.3K
3.3K
3.3K
KRA102S
1K
100/16V 100/16V
1N4003SR
47
KTC3199Y
0.022uF/50V
47K
47K
KIA1117S50
1N4003SR
22
22
L7805CP
47K
1N4003SR
1SS133MT
0.27/5W X 2
0.27/5W X 2
47K
47K 47K 47K
47K
47K
47K
47K
47K
47K
47K
33
4.7K
4.7K
4.7K
1SS133M
1SS133M
680,1W
220
KTC2875B
KTC2875B
1M
4.7K
4.7K
220
KTC2875B
4.7K
220
0.01uF/50V
0.01uF/50V
1M
470, 1W470, 1W
47,1W
OPEN
2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K
KIA78S06PAT
47K
47K
0.1uF
KRC102S
KRC102S
3.3V
KRC102S
10/50V
470P470P
470P
0OPEN
0OPEN
INPUT&MCU
INPUT&MCU
-15V
+15V-15V
V51+V51-
+15V-15V
+15V
-15V
MAIN_IN-R
MAIN_IN-L
PRE_OUT-R
PRE_OUT-L
CD-R
CD-L
CH_GND
+15V
MAIN_IN-R
MAIN_IN-L
PRE_OUT-L
PRE_OUT-R
R-OUT
L-OUT
-15V
+15V
CH_GND
-15V
+15V
CH_GND
ST+5V
+15V
VFD_RS
STBY-H F-RX F-TX
STBY-H
RC_SENSOR
RC_SENSOR
KILL-IR
FLASHER-IN
KILL-FLA
PLL-CE
RDS-DATA
V_SW2
STEREO
TUNED
T-MUTE
PLL/F-CLK
PLL-CE
RDS-DATA
RDS-CLK
TUNER-R
TUNER-L
R-OUT
L-OUT
LINE-R
LINE-L
T-MUTE
KILL-IR KILL-FLA
EP-SCL
EP-SDA
SP-A
SP-B
PHONO-R/IN
TUNER-R
CD-R
VCR_R-IN
VCR_R-OUT
PHONO-L/IN
TUNER-L
CD-L
VCR_L-IN
VCR_L-OUT
LINE-L LINE-R
CD-R_L-OUT
TAPE_L-OUT
CD-R_L-IN
TAPE_L-IN
CD-R_R-OUT
TAPE_R-OUT
TAPE_R-IN
PLL/F-CLK
RDS-CLK
+15V
-15V
DVDD
DVDD
HP-DET
F-TX
F-RX
SYS-MUTE
SYS-MUTE
TUNED
STEREO
EP-SCL
EP-SDA
HP-ON
HP-DET
SP-A
SP-B
V_SW1
V_SW2
V_SW3
V-UP
KEY2
KEY1
KEY0
DVD-L
DSS-L
AUX-L
DVD-R
DSS-R
AUX-R
-6.6V +6.6V
DVD-L
DVD-R
AUX-L
AUX-R
VCR_L-IN
VCR_R-IN
VCR_L-OUT
VCR_R-OUT
TAPE_R-OUT
TAPE_L-OUT
TAPE_L-IN
TAPE_R-IN
CD-R_L-OUT
CD-R_R-OUT
DSS-R
DSS-L
PHONO-R/IN
PHONO-L/IN
CH_GND
CD-R_L-IN
CD-R_R-IN
CD-R_R-IN
SW_OUT
+6.6V
+5VA
V-DOWN
ST+5V
HP-ON
+5VA
+15V -15V
FLASHER-IN
ST+5V
RC-5_OUT
POWER_ON
VFD_SO VFD_CLK
SEL+
SEL-
VFD_RST
PWR-DOWN
VFD_CS
PLL/F-CLK
RC-IN
RC-IN
EVOL-DATA
EVOL-CLK
EVOL-CLK
EVOL-DATA
RC-5_OUT
POWER_ON
PWR-DOWN
SUB-MUTE
ST+5V
VFD_CS
VFD_RST
VFD_RS
SEL+
SEL-
V-DOWN
V-UP
KEY2 KEY1 KEY0
VFD_CLK
VFD_SO
+5VA
SUB-MUTE
+5VA
-6.6V
+5VA
ST+5V
+5VA
ST+5V+5VA
+5VA
SW_OUT
-15V
-15V
F-STB
F-STB PLL/F-DATA
V_SW1 V_SW3
+5VA
V_SW1
PLL/F-DATA
PLL-DI
PLL-DI
PLL/F-DATA
V_SW3 V_SW2 F-STB
EVOL-CLK
EVOL-DATA
SP-B SP-A
CH_GND
CH_GND
CH_GND
PWR-DOWN
ST+5V
ST+5V
CH_GND
CH_GND
D971
C976 C975
C971C972 C973C974
C219C220
R250R251R252R253R254
C334
C333
R355
CN36
R362
D363
Q363
C291C290
C304
C303 R303
R304
IC31
Q361
Q362
R354
TH31
C278
C277
C282
C281
D928
C935
C933
C934
C936
C932
R291
R292
R284 R283
R282 R281
C931
C929
C930
C928
R924 R923
C927 C926
C925 C924
D924
D922
D921
D923
IC92
IC91
R364
R363
D362
D361
C286
C289
C322
R320
R321
R286
R285
R289
R288
R284
R283
R290
R287
C288
C285
R336
R335
Q301
Q302
C336
C335
R338 R334
R332
C332
R333R337
R331
C331
CN93
C978
IC33
R302 R301
C301
C302
IC21
IC22
C352
C351
R351
R352
R353
D381
R356
C353
Q351
Q354
Q353
SP31
R358 R357
R361
C213
C224 C223
C218 C217 C206C207C208C209C210C211
C212
C215 C214 C204C205 C203 C202 C201
C204C203C202C201
R236R237R238R239R240
R246 R241
R242
R243R244R245 R234 R233 R232 R231
R224
R223
R222
R221
R218
R217
R206
R205
R214
R213
R210
R209
R212
R211
R208
R207
R216
R215
R204
R203
R202
R201
C977
Q352
JK24
JK23
JK22
JK21
JK11
ET41
C361
C362
C363C364
C266
C265
C262
C263
C261
C264
C366
C365
R103
C105
R101
R105
C107 R108
C121
R110
C109 C111
C113
R112
C115 R116
R118
C117C118
R119
R117
C116
R113
C114
C112
C110
R111
R109
C108
R106
R102 C106
R104
C122
R121
R122
R114
R115
C101C102
301C401C
IC11
L101
L102
J102
J101
D601D602
R631
R632
L601
R619 R618
C608
Q605
Q606
Q604
Q601 Q602
Q603
R613
R620R621
R624
R625
R616
R612
R617
R614 R615
R608 R607R603
R604
R609
R606
D603
C605
C604
C606
C607
R623
R622
C610
R629
R610
C601
R602
C602
R611
Q610
Q611
CN61
R634
R635
R636
Q612
R637
R601
R531
R532
L501
R519 R518
C508
Q505
Q506
Q504
Q501 Q502
Q503
R513
R520R521
R524
R525
R516
R512
R517
R514 R515
R508 R507R503
R504
R509
R506
D503
C505
C504
C506
C507
R523
R522
C510
R529
R510
C501
R502
C502
R511
Q510
Q511
CN51
R534
R535
R536
Q512
R537
R501
Q507
Q607
Q508
Q608
D501D502
C503
C603
IC34
R318
R319
C316
C317
C318
C319
C320
C321
C308 C307
C274
Q271
R272
R308
R307
IC32
C309
R309
C310
R311
C311
R313
R312
313C
C312 C305
JK26
C306
R305
R306
R925
C937
R627
R626
Q609
C609
VR61 R628
R527
R526
Q509
C509
VR51 R528
C511
C611 R633
R533
R317
R316
R314
C314
R315
C315
D925
D926
Q941
Q943
Q942
R941
C941
R942
C942
R943
R950
R948
R949
R947
R945 R946
R944
R271
C271
R921
R922
C921
C922
C923
R961
R962
Q961
R965
R964
D962
C964
C963
C965
C962 D961
C961
CN94
D903
D902
CN91 CN92
D901
D904
C904 C905 R902
D908
C906
J901
C901
R220
R249
R219
R247R248
C273
C272
CN41
D408
R426
Q305
R413 R412
CN95
R349
Q407
IC42
C409
Q406
R424
R425
Q412
R433
R434
Q408
C420
C412 C411
IC41
X401
IC43
R407
R408
C413
CN42
CN43
R432
C417
C418
Q405
R414
C405
C416
R418
R417
R415
Q366
R416
R420
R419
Q409
R428
R427
R409
D906
D907
C902C903
R411 R410
R435 R436
R437
C421
F901
RY33
RY31
RY32
RY91
ET91
C326
C325
T901
JW98-1
JW98-2
JW98-3
C267
D262
D261
R261
D264
D263
R262
D266
D265
R263
Q410
C328
D927
IC94
D929
D931
D930
R439
R401
R402
Q364
Q365
D910
C909
R904 C908 D909 R903 C907
IC95
R905
SP32
R405
R367
R366
R365
Q431
R438
C938 C939
D932
R931
Q902
C940
JW99-1 JW99-2
R450
CN71
R505
IC90
D905
R933
R932
IC96
R605
D933
D401
R530R630
R963
R447 R446 R445
R444
R443
R442
R440
R322
R339
R340
R273
R343
R344
R274
D936
D937
R935
R341
Q303
Q304
R347
R345
R346
R342
Q272
R277
R276
J501J601
J500 J600
C367 C368
R278
R638
R538
R421
JK25
R499
R483 R484 R485 R486 R487 R488
R481 R482
IC93
R448
R451
JW40JW40-1
C410
Q368
Q367
D301
Q369
C337
C340C341
C343
JW41JW41-1
R371R372
R373R374
JW42JW42-1
R235
470/25V
KTC3200GR
J743
J442
2.2
10
7. SCHEMATIC DIAGRAM
MAIN PWB

2221
!
!
COMPONENT IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISICS.
IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS
USE ONLY MANUFACTURER'S SPECIFIED PARTS.
** THE UNIT OF RESISTANCE IS OHM.
K = 1000 OHM. M = 1000KOHM.
** THE UNIT OF CAPACITANCE IS MICROFARAD(uF)
pF = 10 uF
** THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
IMPOROVEMENT OF PERFORMANCE.
-6
** IMPORTAT SAFETY NOTICE.
POWER SW PWB
(N ver. ONLY)
NO USE
L
R
HP-IN
H/P PWB
FROM MAIN PWB
GND
CHGND
-27V
AC
TUNING
CLEAR
DIMMER
TO MAIN PWB
SOURCE
MEMORY
F/P
ST-LED
MUTE
CS RESET CLK SDI RS
DIRECT
DOWN
BAND STANDBY
T-MODE
TUNING
UP
TO MAIN PWB
TO MAIN PWB
ST+5V
FRONT PWB
AC
GND
VFD RS
VFD SI
VFD CLK
VFD CS
VFD RESET
VOL DOWN
VOL UP
KEY2
KEY0
KEY1
JOG DOWN
JOG UP
ST-BY LED
VFD DRIVER
VOLUME INPUT SEL
KEY0 KEY2 KEY1
VOL DOWN VOL UP JOG DOWN
JOG UP
REMOTE SENSOR
GND
+5VA
VDD
1
2
3
7
8
12345
1 2
7 6 5 4 3 2 1
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
16151413121110987654321
61 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 2
7 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 987 6 2
F2
P37 P36
P1 P2 P3 P4 P5 P6 P7 P8 P9
P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31 P32 P33 P34 P35
G1 G2 G3 G4 G5 G6 G7 G8 G9
G10 G11 G12 G13 G14 G15
F1
5
G16
3
16
1715
14
13
12
11
10
9
8
7
6
5
42
1
VOUT GND Vcc
1 2 3
SW99
C999
C833
C832
C831
HP81
BN36
CN99
S825
S828
S830
R822R825R827 R823R826R828
C822
R815 R816
VR82
C815 C816 C813 C814
VR81
R813 R814
Q803
LED1
R817
BN95
C823
S831
S829
S826
S823
IC81
C818 C817
C810
R804
C811
R803
C808
C809
C805
C804
C807
Q802
C806
R802
R861
R862
R863 R864
R865
R866 R867
R868
R869
R870 R871 R872
R873
R874 R875
R876
R841 R842 R843 R844 R845 R846
R847
R848 R849 R850 R851 R852 R853
R888 R889 R890 R891 R892 R893 R860 R859 R858 R857 R856 R855
R854
R877 R878 R879 R880 R881 R882 R883 R884 R885 R886 R887
C812
FL81
S821 S822
S824
S827
R821R824
C821
CN81
R807 R808
R811
R812 R809
R805 R806
Q801
RC81
C803
R801
C802
JW01
C835
D821
D822
C836
D831
D832
JW02
C837
D823
D844
DKS471ME
0.1uF/50V
1000P 1000P
1K1.5K1.8K 1K1.5K1.8K
0.01uF/50V
10K 10K
100P/50V 100P/50V
0.01uF/50V 0.01uF/50V
10K 10K
KRC107S
1.5K
0.01uF/50V
NJU3430F
100P/50V 100P/50V
100P/50V
100
100P/50V
68K
390P/50V
0.01uF/50V
100P/50V
100P/50V
100P/50V
KTC3199Y
10/50V
10K
10K 10K 10K 10K 10K 10K 10K 10K
10K 10K 10K 10K 10K 10K 10K 10K
47K 47K 47K 47K 47K 47K 47K 47K 47K 47K 47K 47K 47K
47K 47K 47K 47K 47K 47K 47K 47K 47K 47K 47K 47K 47K
47K 47K 47K 47K 47K 47K 47K 47K 47K 47K 47K
100/16V
1K1.5K
0.01uF/50V
22K 22K
10K
10K 10K
22K 22K
KRA102S
RPM6936V4
100/16
100
0.1uF/50V
LAND
0.1uF/50V
1SS133M
1SS133M
0.1uF/50V
1SS133M
1SS133M
LAND
0.1uF/50V
1SS133M
1SS133M
HGND
HGND
SEG[01:37]
GRID[01:16]
SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37
GRID16
GRID16 GRID15 GRID14 GRID13 GRID12 GRID11 GRID10 GRID09 GRID08 GRID07 GRID06 GRID05 GRID04 GRID03 GRID02 GRID01
SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG09 SEG08 SEG07 SEG06 SEG05 SEG04 SEG03 SEG02 SEG01
SEG01 SEG02 SEG04 SEG06 SEG05
SEG03
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG09
SEG08
SEG07
GRID15
GRID14
GRID13
GRID12
GRID11
GRID10
GRID09
GRID08
GRID07
GRID06
GRID05
GRID04
GRID03
GRID02
GRID01
GND
HGND
HGND
GND
FRONT PWB
POWER SW PWB
H/P PWB