Marantz SD-4051 User manual

SD4051
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
SD4051
Cassette Deck
SD4051 /F B/N1B
Part no. 90M16CW855010
First Issue 2006.07
MZ
TABLE OF CONTENTS
SECTION PAG E
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. ADJUSTMENT PROCEDURE.............................................................................................. 2
3. WIRING DIAGRAM............................................................................................................... 7
4. BLOCK DIAGRAM ............................................................................................................. 9
5. SCHEMATIC DIAGRAM ......................................................................................................11
6. PARTS LOCATION ..............................................................................................................21
7. MICROPROCESSOR AND IC DATA.................................................................................. 25
8. EXPLODED VIEW AND PARTS LIST ................................................................................ 27
9. ELECTRICAL PARTS LIST..................................................................................................31
10. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE.................................. 45
RESET
MIN PHONES
CONTROL
PITCH
PLAY
+
RESET COUNTERCOUNTER
REC/PLAY
EJECT
A
PLAY PLAY
HIGH
PAUSE NORMAL REC MUTE
REC LEVEL
SYNC REV
STOP
POWER
ON/OFF
STOP
CONT PLAY
B
OFF
PLAY
OFF
REC
B
REV. MODE
DOLBY NR
CASSETTE DECK SD4051
EJECT
TIMER
MAX
DUBBING SPEED
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
RESET
MIN PHONES
CONTROL
PITCH
PLAY
+Ð
RESET COUNTERCOUNTER
REC/PLAY
EJECT
A
PLAY PLAY
HIGH
PAUSE NORMAL REC MUTEREC
REC LEVEL
SYNC REV
STOP
POWER
ON/OFF
STOP
B
OFF
PLAY
OFF
REC
B
REV. MODE
DOLBY NR
EJECT
TIMER
MAX
DUBBING SPEED
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE

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.
In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.
060607MZ
USA
MARANTZ AMERICA, INC
100 CORPORATE DRIVE
MAHWAH, NEW JERSEY 07430
USA
EUROPE / TRADING
MARANTZ EUROPE B.V.
P. O. BOX 8744, BUILDING SILVERPOINT
BEEMDSTRAAT 11, 5653 MA EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2507844
FAX : +31 - 40 - 2507860
AUSTRALIA
QualiFi Pty Ltd,
24 LIONEL ROAD,
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - (0)3 - 9543 - 1522
FAX : +61 - (0)3 - 9543 - 3677
NEW ZEALAND
WILDASH AUDIO SYSTEMS NZ
14 MALVERN ROAD MT ALBERT
AUCKLAND NEW ZEALAND
PHONE : [phone]
FAX :[phone]
THAILAND
MRZ STANDARD CO., LTD
746 - 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 9181
FAX : +66 - 2 - 224 6795
TAIWAN
PAI- YUING CO., LTD.
6 TH FL NO, 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 - 2 - 25221304
FAX : +886 - 2 - 25630415
MALAYSIA
WO KEE HONG ELECTRONICS SDN. BHD.
2ND FLOOR BANGUNAN INFINITE CENTRE
LOT 1, JALAN 13/6, 46200 PETALING JAYA
SELANGOR DARUL EHSAN, MALAYSIA
PHONE : +60 - 3 - 7954 8088
FAX :[phone]
KOREA
MARANTZ KOREA CO., LTD.
ROOM 604, ELECTRO OFFICE, 16-58,
HANGGANG-RO 3GA, YONGSAN-KU,
SEOUL, 140-013, KOREA
PHONE : +82 - 2 - 323 - 2155
FAX : +82 - 2 - 323 - 2154
SINGAPORE
WO KEE HONG DISTRIBUTION PTE LTD
No.1 JALAN KILANG TIMOR
#08-03 PACIFIC TECH CENTRE
SINGAPORE 159303
PHONE : [phone]
FAX : [phone]
CANADA
MARANTZ 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
MARANTZ SHANGHAI TRADING LTD.
ROOM.506 SHANGHAI LIGHT INDUSTRY MANSION
1578 NANJING (WEST) ROAD SHANGHAI
CHINA
TEL : 021 - 6248 - 1064
FAX : 021 - 6248 - 3565

1
1. TECHNICAL SPECIFICATIONS
Type Vertical tape loading; 4-track 2-channel
stereo double cassette deck
Heads Playback head × 1
Recording/Playback head × 1
Erase head (Double-gap ferrite) × 1
Motors DC servo motor × 2
Tape Speed 4.8 cm/sec. 9.5 cm/sec.
(When high speed dubbing)
Fast Forward,
Rewind Time Approx. 110 sec. with a C-60 cassette
Recording Bias Approx. 100 kHz
Overall S/N Ratio
(at 3% THD level) Dolby B NR on: more than 68 dB
(CCIR/ARM)
Overall Frequency
Response 25 - 18,000 Hz ± 3 dB
(at - 20 dB, Metal tape Play back)
Channel Separation More than 40 dB (at 1 kHz)
Wow & Flutter 0.09 % WRMS, ± 0.1 % W. PEAK
Inputs LINE 100 mV input level at maximum
Input impedance: 50 kohms
unbalanced
Output LINE 460 mV (0 dB) output level at
maximum
(with 47 kohms load, recorded level of
200 nWb/mm)
PHONES 0.95 mW output level at maximum
(optimum load impedance 8 ohms)
Power Requirement AC 230V 50Hz [/N]
Power Consumption 16 W
Dimensions 440 (W) × 124 (H) × 286 (D) mm
Weight 4.0 kg (8.58 lbs.)
Dolby noise reduction and HX Pro headroom extension
manufactured under license from Dolby Laboratories
Licensing Corporation. HX Pro originated by Bang &
Olufsen.
"DOLBY", the double-D symbol and "HX PRO" are
trademarks of Dolby Laboratories Licensing
Corporation.
EE
IPHO E
CO OL
PICH
PL Y
EE CO ECO E
EC/PL Y
EEC
PL Y PL Y
HIH
PE OL EC E
ECLEVEL
YCEV
OP
PO E O/O
OP
CO PL Y
O
PL Y
O
EC
EV. ODE
DOL Y
C E E DECK D4051
EEC
IE
X
D I PEED
EE
IPHO E
CO OL
PICH
PL Y
EE CO ECO E
EC/PL Y
EEC
PL Y PL Y
HIH
PE OL EC EEC
ECLEVEL
YCEV
OP
PO E O/O
OP
O
PL Y
O
EC
EV. ODE
DOL Y
EEC
IE
X
D I PEED
440.0
12.0 112.0 10.0 11.0265.0
286.0
(mm)
本製品のドルビーノイズリダクション及びドルビーHX Proヘ
ッドルームエクステンションはドルビーラボラトリーズから
の実施権に基づき製造されています。
HX Proヘッドルームエクステンションはバングアンドオルフ
センの考案です。
Dolby、ドルビー、HX ProおよびダブルD記号 はドル
ビーラボラトリーズの商標です。
トラツク型式........................................... 4トラック 2チャンネル
録音方式 ......................................................... 交流バイアス方式
ヘッド....................................................... 録音・再生ヘッド× 1
再生ヘッド× 1
消去ヘッド× 1
モーター ................................................. DCサーボモーター× 2
ワウフラッター ....... 0.09％WRMS［±0.1％W･PEAK （EIAJ ）］
周波数特性
メタルテープ..................................... 30 Hz〜19 kHz ±3 dB
ハイポジションテープ......................... 30 Hz〜18 kHz ±3 dB
ノーマルテープ ................................. 30 Hz〜17 kHz ±3 dB
S/N比.......................... 58 dB
（EIAJ/ピーク録音レベル聴感補正 ）
DOLBY-B NR ON時10 dB 改善（5 kHz以上 ）
入力端子
ライン .............................................. 100 mV （50 k ohm）× 2
出力端子
ライン ................................................ 460 mV （3 k ohm）× 2
ヘッドホン.................... 0.95 mW （8 ohms−1.2 k ohms）× 2
電 源................................................. AC 100 V 50/60 Hz [/F]
消費電力 ........................................................................... 16 W
最大外形寸法
幅 ............................................................................ 440 mm
高さ.......................................................................... 124 mm
奥行き ...................................................................... 286 mm
質 量............................................................................ 4.0 kg
●付属品
オーディオコード ................................................................. 2組
リモート接続コード .............................................................. 1本
リモコン（RC455SD）......................................................... 1個
単3乾電池（SUM-3）............................................................ 2本

2
2. ADJUSTMENT PROCEDURE
2-1 MECHANICAL ADJUSTMENT
2-1-1 Wow and flutter (playback method)
In both FWD and REV play modes, these measurements
should be made at the beginning, middle, and the end of the
tape.
1. Connect a wow-and-flutter meter to the LINE OUT.
2. Load and play a TEAC MTT-111N test tape.
3. Check that readings on the wow-and-flutter meter is
within 0.09 % WRMS ( ± 0.1 % W. PEAK).
2-1-2 Tape speed
1. Connect a frequency counter to the LINE OUT.
2. Load a TEAC MTT-111 N test tape and play in FWD
direction the beginning of the test tape.
3. Adjust each variable resistor to get the following values.
Fig. 2-1
4. In play mode, check that the following values are obtained
at the beginning and end of the tape.
Speed drifting : Within 120 Hz(HIGH speed)
Within 60 Hz(LOW speed)
2-1-3 Reel torque
Load the cassette torque meter on the deck and read the
pointer indication on the dial scale for each tape transport
operation. The measured torque should be within the
following specified values.
Take-up : 30 to 70 g-cm
Supply : 1.5 to 6 g-cm
FF/REV : 70 to 150 g-cm
Torque metier
MTT-8111W : Forward torque & back tension
MTT-8121W : Reverse torque & back tension
MTT-8242 : Fast forward & rewind static torque
W333
W332
W332 to W333 : Short HIGH speed
W332 to W333 : Open LOW speed
VR2
HI
VR1
LOW
R3 LOW R4 HI
CONTROL PWB
2-1 機構部の調整
2-1-1 ワラ・フラッタ（再生法）
FWD, REV両方向でテープの巻始め、中間、巻終りを測定
する。
1. LINEOUT端子にワラ・フラッタメーターを接続する。
2. テストテープMTT-111Nを再生する。
3. ワラ・フラッタ値が0.09％WRMS［±0.1％W･PEAK
（
EIAJ
）］ 以下であることを確認する。
2-1-2 テープスピード
1. LINEOUT端子に周波数カウンターを接続する。
2. テストテープMTT-111Nの巻始め部をFWD方向で再生す
る。
3. 周波数値が下表の範囲内になるよう、各調整VRを調整す
る。
Adjustment point
調整個所
Adjustment value
調整値
PLAYBACK HIGH speed
LOW speed
VR2
VR1
6,000 ±30Hz
3,000 ±20Hz
REC/PLAY HIGH speed
LOW speed
R4
R3
6,000 ±30Hz
3,000 ±20Hz
4. 巻始めから巻終わりまで再生し、変動幅を確認する。
変動幅 : 120 Hz以内（ハイスピード）
60 Hz以内（ロースピード）
2-1-3 リールトルク
カセット型トルクメーターによる測定値が下記の範囲内で
あることを確認する。
テイクアップトルク : 30〜70 g-cm
バックテンショントルク : 1.5〜6 g-cm
早送り/巻戻しトルク : 70〜150 g-cm
トルクメーター
MTT-8111W :
巻取りトルクとバックテンション(FWD用)
MTT-8121W :
巻取りトルクとバックテンション(REV用)
MTT-8242 :
早送り/巻戻しトルク

3
2-2 ELECTRICAL ADJUSTMENT
2-2-1 Precautions
• Before performing adjustments and checks clean and
demagnetize the entire tape parh.
• ln general, adjustments and checks are made in the order
of Lch then Rch. Double REF. Nos. indicate Lch/Rch.
(Example R11/R21)
• 0dB is referenced to 0.775V.
• The AC voltmeter used in the procedures must have an
input impedance of 1 MΩor more.
• Unless specified otherwise, adjustments and checks are
made in FWD direction.
2-2-2 Adjustment locations
P303 R13
R23
R12 R22
MAIN PWB
L304
L203
L103
R14 L R24 R
TP4
TP3
L201
L101
W56
W29
R11 L R21 R
DC voltmeter
AC voltmeter
Frequency Counter
Fig. 2-2
2-2 アンプ部の調整
2-2-1 注意
• アンプ部の調整・確認の前に、テープ走行系の消磁と清掃
を行なってください。
• 特に指定のない限り、調整はLch、Rchの順序で行なってく
ださい。尚、R11/R21のように記されている回路番号は
Lch/Rchを示します。
• 0dBは0.775Vです。
• 測定に使用するレベル計の入力インピーダンスは、1MΩ以
上のものを使用してください。
• 特に指定のない場合、調整および確認はFWD方向で行なっ
てください。
2-2-2 調整

4
2-2-3 Playback performance 再生系
Deck settings :
Mode : PLAY
DOLBY NR Switch : OFF
TEAC test tapes :
MTT-150C : For Dolby lavel calibration
MTT-25702 : For playback frequency response check
NORMAL tape
MTT-5513 : For S/N check NORMAL tape
ITEM
項 目
SETTING
設 定
INPUT SIGNAL
入力信号
ADJUSTMENTS
調整個所
MEASURING
POINTS, RESULT
測定個所・調整値
REMARKS
備考
1. Head
azimuth
adjustment
アジマス調整
Connection : Fig. 2-4
Check and adjust in
FWD, REV
respectively
FWD、REVそれぞれ
調整・確認
MTT-150C Check
LINE OUT :
Phase : within 45°
位相 : 45°以内
(Fig. 2-5)
FWD
azimuth
REV
azimuth
MTT-25702
(12.5 kHz)
Azimuth screws
アジマス調整
ねじ
LINE OUT:
Maximum output
level at L & R -ch
Lch, Rchとも
出力最大
2. DOLBY level
ドルビー
レベル
Connection : Fig. 2-2
FWD, PLAY MTT-150C
R11 / R21
TP1(W29) / TP2(W56) :
- 6 dB
PLAYBACK(DECK I)
R12 / R22 REC/PLAY(DECK II)
3. Playback
output level
再生出力
レベル
Connection : Fig. 2-3
FWD/REV PLAY MTT-150C Check LINE OUT :
- 4.5 ± 1 dB
Ref. output level
基準出力レベル
4. Meter level
メーター
レベル
MTT-150C Check LEVEL METER :
mark ± 1dot
5.PHONES
output level
PHONES
出力レベル
MTT-150C Check PHONES :
- 19 ± 3 dB
8 Ω load
8 Ω 負荷
6. Playback
frequency
response
再生周波数
特性
Connection : Fig. 2-3 MTT-25702 Check
+ 4 dB
- 4 dB
250 1k 12.5k (Hz)
7. Playback
S/N ratio
再生S/N比
Connection : Fig. 2-3
MTT-5513
Playback the
leader tape
portion
リーダーテープ
部を再生
Check 46 dB min.
Ratio of ref.
level to noise
基準出力レベルと
ノイズの比

5
ITEM
項 目
SETTING
設 定
INPUT SIGNAL
入力信号
ADJUSTMENTS
調整個所
MEASURING
POINTS, RESULT
測定個所・調整値
REMARKS
備考
8. Specified
LINE input
level
ライン規定
入力レベル
Connection : Fig. 2-3
Mode : REC
LINE IN :
400 Hz / - 9 dB REC LEVEL LINE OUT :
- 4.5 dB
After adjusting,
do not move
(Specific position)
調整後は動かさない
こと（規定位置）
9. Bias osc
frequency
バイアス発振
周波数
Connection : Fig. 2-2
TAPE : MTT-5513
Mode : REC
LINE IN :
No signal
無信号
L301 P303 Pin 2 :
100 kHz
10. Step up
coil
ステップ
アップコイル
Connection : Fig. 2-2
TAPE : MTT-5563
Mode : REC
LINE IN :
No signal
無信号
L103 / L203
TP3 / TP4 :
Min. DC voltage
DC電圧最小
11. Record
bias
録音バイアス
Connection:Fig. 2-3
TAPE : MTT-5513
LINE IN :
250 Hz / 10 kHz
- 42 dB
R14 / R24
LINE OUT :
Nearly equal level
at both frequencies
両周波数の録再出力
が同レベル
（± 0.5 dB)
12. MPX filter
MPX
フィルター
Connection : Fig. 2-3
Mode : REC
LINE IN :
19 kHz / - 12 dB L101 / L201 30 dB min.
Ratio of ref.
level to signal
基準出力レベル
に対する比
13. Record
level
録音レベル
Connection : Fig. 2-3
TAPE : MTT-5513 LINE IN :
400 Hz / - 12 dB
R13/R23 LINE OUT:
- 7.5 ± 1 dB
TAPE : MTT-5563 Check LINE OUT:
- 7.5 ± 1 dB
14. Total
harmonic
distortion
総合歪率
Connection : Fig. 2-3
TAPE : MTT-5513
MTT-5563
LINE IN :
400 Hz / - 12 dB Check
NORMAL : 2.0 % or less
HIGH pos. : 2.5 % or less
METAL : 3.0 % or less
15. Overall
frequency
response
録再周波数
特性
Connection : Fig. 2-3
TAPE : MTT-5513
MTT-5563
LINE IN :
40 Hz ~ 12.5 kHz
- 42 dB
Check
+ 6 dB
- 6 dB
40 250 12.5k (Hz)
16. Overall S/N
ratio
総合S/N比
Connection : Fig. 2-3
TAPE : MTT-5513
MTT-5563
LINE IN :
No signal
無信号
Check
NORMAL : 45 dB min.
HIGH pos.
: 46 dB min.
METAL : 46 dB min.
Ratio of ref.
level to noise
基準出力レベル
とノイズの比
2-2-4 Recording performance 録音系
Deck settings :
Mode : REC/PLAY
DOLBY NR Switch : OFF
REC LEVEL Control : Specified position (ltem8)
TEAC recording test tapes:
MTT-5513 : For NORMAL
MTT-5563 : For HIGH position

6
ITEM
項 目
SETTING
設 定
INPUT SIGNAL
入力信号
ADJUSTMENTS
調整個所
MEASURING
POINTS, RESULT
測定個所・調整値
REMARKS
備考
17. Erase
efficiency
消去率
Connection : Fig. 2-3
TAPE: MTT-5563
1kHz B.P.F in
LINE IN :
1 kHz / + 1 dB Check 65 dB min.
Ratio of the 1 kHz
recorded portion to
the erased portion.
未消去部分と
消去部分の比
18. REC MUTE
function
REC MUTE
効果
Connection : Fig. 2-3
TAPE: MTT-5563
1kHz B.P.F in
LINE IN :
1 kHz / + 1 dB Check 55 dB min.
Ratio of the 1 kHz
recorded portion to
the "REC MUTE"
portion.
録音部分と REC
MUTE" 部分の比
19. Channel
separation
チャンネル
セパレーショ
ン
Connection : Fig. 2-3
TAPE : MTT-5563
1kHz B.P.F in
LINE IN :
Lch 1 kHz /
- 9 dB
Rch No signal
無信号
Check 35 dB min.
Ratio of Lch (1kHz)
to Rch(no signal).
Lch(lkHz) とRch( 無
信号 )の比
20. Adjacent
track
crosstalk
トラック間
クロストーク
Connection : Fig. 2-3
TAPE : MTT-5563
LINE IN :
Lch No signal
無信号
Rch 125Hz /
- 9 dB
Check 40 dB min.
Invert tape and
play Rch track.
Check leakage
level against the
output reference of
previously recorded
portion.
テープを反転して再
生した時の Rch 出力
レベルの比
(同位相 )(
逆位相 )
RESET
MIN PHONES
CONTROL
PITCH
PLAY
+
RESET COUNTERCOUNTER
REC/PLAY
EJECT
A
PLAY PLAY
HIGH
PAUSE NORMAL RECMUTE
REC LEVEL
SYNCREV
STOP
POWER
ON/OFF
STOP
CONT PLAY
B
OFF
PLAY
OFF
REC
B
REV.MODE
DOLBYNR
CASSETTE DECK SD4051
EJECT
TIMER
MAX
DUBBINGSPEED
AUTOTAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
AUTOTAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
RESET
MIN PHONES
CONTROL
PITCH
PLAY
+Ð
RESET COUNTERCOUNTER
REC/PLAY
EJECT
A
PLAY PLAY
HIGH
PAUSE NORMAL RECMUTEREC
REC LEVEL
SYNCREV
STOP
POWER
ON/OFF
STOP
B
OFF
PLAY
OFF
REC
B
REV.MODE
DOLBYNR
EJECT
TIMER
MAX
DUBBINGSPEED
AUTOTAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
AUTOTAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
RESET
MIN PHONES
CONTROL
PITCH
PLAY
+
RESET COUNTERCOUNTER
REC/PLAY
EJECT
A
PLAY PLAY
HIGH
PAUSE NORMAL RECMUTE
REC LEVEL
SYNCREV
STOP
POWER
ON/OFF
STOP
CONT PLAY
B
OFF
PLAY
OFF
REC
B
REV.MODE
DOLBYNR
CASSETTE DECK SD4051
EJECT
TIMER
MAX
DUBBINGSPEED
AUTOTAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
AUTOTAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
RESET
MIN PHONES
CONTROL
PITCH
PLAY
+Ð
RESET COUNTERCOUNTER
REC/PLAY
EJECT
A
PLAY PLAY
HIGH
PAUSE NORMAL RECMUTEREC
REC LEVEL
SYNCREV
STOP
POWER
ON/OFF
STOP
B
OFF
PLAY
OFF
REC
B
REV.MODE
DOLBYNR
EJECT
TIMER
MAX
DUBBINGSPEED
AUTOTAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
AUTOTAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
Oscillater
Oscilloscope
Distortion Analyzer
1 kHz Filter
SD4051
AC voltmeter
S1
R
LS2
R
L
LINE IN LINE OUT
Oscilloscope
AC voltmeter
SD4051
S
R
L
HOR
VER
LINE OUT
0°(in phase) 45° 90° 135° 180°(out of phase)
Fig. 2-3
Fig. 2-5
Fig. 2-4

7 8
3. WIRING DIAGRAM
+-AB
MECH I (A)
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
J319
CONTROL PWB
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
J307
1
2
3
4
5
6
7
8
9
10
11
12
P307
MAIN PWB
DECK I (A)
R
PLAY HEAD
1
2
3
1
2
3
L
PLAY HEAD
1
2
3
P301 470
PLAY
SOL
+-AB
CrO2
TAPE
MECH II (B)
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
J308
1
2
3
4
5
6
7
8
9
P308
1
2
3
4
5
P302
1
2
3
4
5
6
1
2
3
4
5
6
L
R/P HEAD
DECK II (B)
E HEAD
R
R/P HEAD
1
2
P303
1
2
3
4
5
6
1
2
3
4
5
6
J311
1
2
3
4
5
6
P309
1
2
3
J503
1
2
3
1
2
3
P503
470
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
J320
PLAY
SOL
TAPE
METAL
CrO2
F.REC
R.REC
1
2
1
2
P318
VR PWB
1
2
3
1
2
3
P306
1
2
3
J306
PHONE PWB
123
P304
1
2
3
1
2
3
P305
1
2
3
4
5
J401
TRANSF. B PWB REMOTE PWB
1
2
1
2
P504
1
2
J504
1
2
3
4
5
6
P501
1
2
3
4
5
6
J501
123
123
J304
SLIDE PWB KEY PWB
32
PWB
PWB
6B : HEAD + PWB
PWB
6A : HEAD + PWB

109
4. BLOCK DIAGRAM
PB AMP
DECK I (A)
PLAY HEAD
PB EQ
METER AMP
FL DISPLAY
OUTPUT
CPSPB AMP
HI SPEED
DECK II (B)
R/P HEAD REC
PLAY
PB EQ
DOLBY NR B
PHONES AMP
PHONES
INPUT
REC AMP
REC EQ
+V
BIAS ADJ.
HX PRO
E HEAD
BIAS
OSC
-V

11 12
5. SCHEMATIC DIAGRAM
R/P NR
PLAU M.
R/P H. II
DECK I (A)
DECK II (B)
REC M. II
1
7
814
148
1
7PLAY I
PLAY II
16V
16V
16V
U305
16V
16V
U302
G7
G3
G1
G5
G3
G1
G5
G6
G4
G4
CrO2 2
DOLBY NR
-7V
GND
CrO2 I
Q6
R212
4.7K
R209
1K
R114 56
R306 47K
U327
DTA124ES
2
3
1
C208
0.027u
U328
DTA124ES
2
3
1
C102
330P
C111
0.001u
R148 1K
R214 56
R250
33K
R106 56
R215
6.8K
U330
DTA124ES
2
3
1
C217
10u
R121
10K
R117
47K
C117
10u
Q202
2SC1815GR
12
3
R103 120K
Q102
2SC1815GR
12
3
U315B
NJM4558D
6
57
R203 120K
U324
DTC124ES
2
3
1
C210
2.2u50V
R307 47K
C101
330P
U325
DTC124ES
2
3
1
R105
1M
C107
1000P
R151 27K
R210
56K
R109
1K
R221
10K
C207
1000P
R116
2.2K
R22
10K(B)
R213
1M
R303
4.7K
C241
10u16V
R309 47K U337
DTA124ES
2
3
1
R110
56K
R367
22K
C209
220u 10V
C202
330P
U329
DTA124ES
2
3
1
R310
47K
U301B
UPC4570C
6
57
R205
1M
U101
DTC124ES
2
3
1
R122
10K
C205
2.2u50V
R211 120K
R216
2.2K
R150
33K
C140 100P
R12 10K(B)
U304B
BU4066BC
P302
5P
1
2
3
4
5
L
PLAY HEAD
PLAY HEAD
1
2
E HEAD
1
2
R
1
2
1
2
3
4
5
6
P303
2P
1 2
R102
56K
R104
4.7K
R11
10K(B)
U201
DTC124ES
2
3
1
C201
330P
R204
4.7K
R206 56
C204
220u10V
C203
0.027u
R208
2.2K
C118
10u16V
C312
0.22u
R217
47K
C218
10u
L
R/P HEAD
1
2
1
2
3
4
5
6
R
R/P HEAD
1
2
U303B
UPC4570C
6
57
R113
1M C109
220u10V
U336
DTA124ES
2
3
1
R308 47K
U331
DTA124ES
2
3
1
R149
47K
R108
2.2K
R107
6.8K
C104
220u10V
C103
0.027u
C106
0.001u
C206
0.001u
C105
2.2u50V
C213
10u16V
U311B
NJM4558D
6
57
C239
10u16V
C310
100u16V
R220
10K
C214
10u25V
L201.
MPX
1 2
36
R219
6.2K
C215
10u16V
R118
2.7K
L101
MPX
1 2
36
R118
2.7K
C115
10u16V
R119
6.2K
R202
56K
C313
0.22u
C240 100P
D305
1SS133T
R368
22K
U303A
UPC4570C
2
31
48
R111
120K
C108
0.027u
C110
2.2u50V
R115
6.8K
R112
4.7K
C211
0.001u
U301A
UPC4570C
2
31
4
8
R21
10K(B)
R207
6.8K
BU4066BC
P307
12P
1
2
3
4
5
6
7
8
9
10
11
12
U311A
NJM4558D
2
31
48
C114
10u16V
R120
10K
R222
10K
R251 27K
C141
10u16V
C139
10u16V
U315A
NJM4558D
2
31
4
8
C113
10u16V
P304
3P
1
2
3
R249
47K
R388
100K
C303
22u16V
R248
1K
R387 22K
C216
10u
C116
10u
U321
DTC124ES
2
3
1
R302
18K
HA12134AF
12345678
910111213141516
C311
100u16V
1
2
3
P301
3P
1
2
3
1
2
3
C340
220u10V
U332
DTA124ES
2
3
1
R371 330
U335
DTA124ES
2
3
1
D304
1SS133T
U322
DTC124ES
2
3
1
R363 5.6K
R362
5.6K
U338
DTC124ES
2
3
1
CrO2 I
DOLBY IN R
R/P H. II
REC AMP L
METER R
DOLBYINL
REC MUTE II
METER L
PLAY OUT L
H.DUB
CPS
PLAY OUT R
CrO2 II
PLAY MUTE
REC AMP R II REC AMP L II
PB AMPII_GND
DOLBY_GND
REC AMP R
+7V
-7V
+5V
CONTROL PWB SLID PWB
MAIN PWB -2/3
(MAIN -3/3)
(MAIN -3/3)
(MAIN -3/3)
(MAIN -2/3)
(MAIN -2/3)
PWB
PWB
6B : R/P, E HEAD + PWB
PWB
6A:PHEAD+PWB
MAIN PWB -1/3

1413
OSC
100V
TC4052BP
METAL
A
CrO2
B
H
H
H
L
L
LXY
2X 2Y
3Y 3Y
NOR
HI
SPEED
NOR
METAL
CrO2
TAPE
CTR.
PIN
R131
2.2K
R370
1K
C123
150P
Q103
2SC2240GR
12
3
C132
100P R154 33K
R155 39K
C142 0.056u
Q106
2SD2144S
12
3
R13
22K(B)
13
2
R153
1.8K
C242
0.056u R255 39K
R253
1.8K
R23
22K(B)
13
2
L102
22mH
L302
220uH
Q301 2SA1015GR
C307
0.0039u
P303
2P
1
2
R358 27K
R357
1K
L301
100KHz
Q302
2SC1815GR
12
3
R356
2.7K
R386
6.8
R134
33K
R234
33K
C127
560P
C227
560P
C130
200P100V(PS)
C129
100P(CE)
L103
STEP UP COIL
C125
0.047u
TP3
C304
10P(CE)
C225
0.047u
TP4
C224
0.01u
L203
STEP UP COIL
C230
200P100V
R235
150K
R24
10k(B)
13
2
R14
10K(B)
13
2
U342
DTA124ES
2
3
1
U340
DTC124ES
2
3
1
R354
18K
R353
18K
D308
1SS133T
R360
47K
C309
0.01u
R385
6.8
C318
0.01u
C308 0.0039u
Q303
2SC1815GR
12
3
R359 27K C306
100u25V
U343
DTC124ES
2
3
1
R135
150K
C124
0.01u C229
100P
R351
22K
Q304
2SC2240GR
12
3
C122
10u16V
C223
150P
R230
12K
L202
22mH
C143
0.0056u
U202
DTC124ES
2
3
1
C244
0.0033u
R256 360
R301
4.7K
R361
47K
Q203
2SC2240GR
12
3
R231
2.2K
D302 1SS133T
C329
0.01u
R130
12K
R156 360
C144
0.0033u
C232
100p
L204
8.2mH
L104
8.2mH
R254 33K
U102
DTC124ES
2
3
1
R157
3.3K
R257
3.3K
R159 15K
R=158 22K
R258 22K C246
0.0027u
C247
0.0047u
R259 15K
R260 12K
C245
0.0015u
C146
0.0027u
C147
0.0047u
R160 12K
U203
DTC124ES
2
3
1
R233
2.2K
L303 220uH
R392 47K
R133
2.2K
U308B
NJM4558D
6
5
7
C305
10u25V
C301
1u50V
C226
0.022u
U310
UPC1297CA
1
2
3
4
5
6
7
8
910
11
12
13
14
15
16
17
18
C126
0.022u
U323
DTC124ES
2
3
1
R393
4.7K
U103
DTC124ES
2
3
1
R163
56K
C145
0.0015u
C243
0.0056u
Q206
2SD2144S
12
3
R263
56K
C222
10u16V
U308A
NJM4558D
2
3
1
4
8
R152 15K
R252 15K
U309
TC4052BP
1
5
2
4
12
14
15
11
6
10
9
13
3
16
8
Y0
Y1
Y2
Y3
X0
X1
X2
X3
INH
A
B
X
Y
VDD
VEE
REC AMP L II
PB AMP II_GND
REC AMP R II
R/P H II
CrO2 II
METAL II
+7V
HI DUB
GND
R/P H. II
REC MUTE 2
REC AMP R
GND
REC AMP L
-7V
DECK II (B) PWB
(MAIN -1/3)
(MAIN -1/3)
(MAIN -1/3)
MAIN PWB -2/3

15 16
MAIN PWB -3/3
VR L-CH
VR R-CH
DOLBYINL-CH
DOLBY IN R-CH
GND
GND
PH-LCH
PH-RCH
GND
+5V
AC
DC
GND
CrO2 II
METAL II
METALI
CrO2 I
AC IN
TO TRANSF B PWB
TO VR PWB
TO PHONE PWB
TO CONTROL PWB
RCA JACK
GND-7
R225
33
R305
47K
C119
0.01u
C235
0.001u
R138
47K R139
12K
R140
68
R239
12K
R240
68
C342
4.7u50V
C134
4.7u50V
D101
1SS133T
D307
1N4003
U307A
NJM4558D
2
31
48
C315
100u10V
C219
0.01u
R232
15K
R238
47K
U306A
BU4066BC
1234567
8 9 10 11 12 13 14
R383
560
U348
DTC124ES
2
3
1
U349
DTC124ES
2
3
1
D25 1N4003
D26 1N4003
D27 1N4003
D28 1N4003
D24 SR160
D29 SR160
C321
2200u16V
C323
100u16V
R376
3.3K
C344
100u16V
U7
NJM7805FA
1
2
3
Q306
2SA1015GR
12
3
D1
LED
12
C325
100u10V
R373 470 R374 470
P305
3P
1 2 3
R223
2.7K
U307B
NJM4558D
6
57
R224
100K
R123
2.7K C135
0.001u
R124
100K
R125
33
R126 1K
R226 1K
U345
DTA124ES
2
3
1
U346
DTA124ES
2
3
1
R381 47K
R382
47K
P308
9P
1
2
3
4
5
6
7
8
9
D201
1SS133T
C234
0.47u50V
R132
15K
U312A
NJM4558D
2
31
48
U312B
NJM4558D
6
57
P309
1
2
3
4
5
6
C322
2200u16V
R375
2.7K
C324
100u10V
R378
68
J32
L
R
LINE OUT
P306
3P
1
2
3
C136
220P
R
LINE IN
L
R127 33K
R227 33K
C236
220P
U347
DTC124ES
2
3
1
W104 JP
W120 JP
W123 JP
W134 JP
W138 JP
W137 JP
D313
MTZ4.7C
R391
270
Q307
2SB1375F
12
3
C320
6800u25V
PLAY OUT L
PLAY OUT R
PLAY MUTE
CPS
MTER L
METER R
DOLBY IN L
DOLBY IN R
DOLBY GND
GND
-7V
+7V
+5V
CrO2 II
CrO2 I
METAL II
-7V
GND
+7V
6P
(TO MAIN 1/3)
(TO MAIN 1/3)
(TO MAIN 1/3)
TR PWB

1817
(I REC)
(CPS)
PLAY
MOT. A
MOT. B
MOT. -
MOT. +
SE.DIO.
SE.TR
SOL
SOL
CrO2
TAPE
METAL
R.REC
F.REC
TAPE
SE.TR
SE.DIO.
PLAY
MOT. +
MOT. -
MOT. B MOT. A
METALI
CrO2 I
CrO2 II
CrO2
METAL II
CPS
GND
DC
AC
+5V
X1
X0
X
HS DUB
PLAY I
R/P HEAD II
R/P NR
PLAY MUTE
REC MUTE II
METER R-CH
METER L-CH
CPS
PLAYII
(TEST PIN)
(I HI)
(IIHI)
(II LOW)
(I LOW) U45 VR2
2.2K(B)
R46
3.3K
VR1
2.2K(B)
J503
3P
1
2
3
R85
22K
SW2
FF I SW
12
SW1
STOP I SW
12
R83
22K
P501
6P
1
1
2
2 3
3
4
4 5
5
6
6
R80
22K R81
22K
C3
330u25V
C6
10u16V
D2
1N4003
D4
1SS133T
R41
820
R48
6.2K
VR3
10K(B)
R53
1K
R45
22K
Q5
2SB12237TV2Q
Q6
2SB12237TV2Q
R56
4.7K
R57
1K
R54
4.7K
R88
100
D9
1SS133T
D10
1SS133T
D11
1SS133T
D12
1SS133T
D13A
1SS133T
D15
1SS133T
D17
1SS133T
D18
1SS133T
D20A
1SS133T
D22
1SS133T
D23
1SS133T
D26
1SS133T
D27A
1SS133T
D33
1SS133T
D34
1SS133T
R47 12K
R86
22K
Q1
2SA1015GR R62
1K
R42
22K D5
1N4003
Q4
2SB1237TV2Q
R52
4.7K
X1 8MHz
R55
1K
R77
82K
R72 22K
R74 22K
R78
82K
D8
MTZJ3.9B
R73 22K
SW25
MUTE II SW
12
SW15
REV I SW
12
SW19
SYNO REV SW
12
SW14
CLEAR II SW
12
SW12
HS DUB SW
12
SW8
FWD I SW
12
SW9
REW I SW
12
SW10
FWD II SW
12
SW4
FF II SW
12
SW5
N DUB SW
12
SW7
CLEAR I SW
12
D41
1SS133T
D29
1SS133T
SW3
STOP II SW
12
D16
1SS133T
D25
1SS133T
D19
1SS133T
SW11
REW II SW
12
SW18
PAUSE II SW
12
SW17
REV II SW
12
SW24
REC II SW
12
R82
22K
W333
R84
22K
R87
100
R50
4.7K
W332
U43
DTC124ES
2
3
1
U44
DTC124ES
2
3
1
C10
100u25V
U48
DTC124ES
2
3
1
R64
22K
R63
10K
U50
DTC124ES
2
3
1
C1
100u35V
U52
DTC124ES
2
3
1
U51
DTA124ES
2
3
1
C8
0.01u
U49
DTC124ES
2
3
1
C5
10u16V
C4
0.047u
U54
DTC124ES
2
3
1
D1
MTZJ22C
D3
1N4003
D51
1N4003
INOUT
GND
U41
TA78L005AP
3
2
1
C7
220u25V
U47
DTC124ES
2
3
1
Q7
2SC1815GR
C9
0.022u
J308
9P
1 2 3 4 5 6 7 8 9
U56
RPM7138-V4
1
2
3
D35 1SS133T
J318
2P
1
2
J307
12P
1
2
3
4
5
6
7
8
9
10
11
12
U42
CXP82940-102Q
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
31
32
33
34
30
35
37
36
38
39
40
414243444546474849505152535455565758596061626364
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
FL1 BJ185GK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
J319
10P
1
2
3
4
5
6
7
8
9
10
R91 10K
U55
DTC124ES
2
3
1
R43
10K
VR(4)
2.2K(B)
R49
12K
Q2
2SC1815GR
BU4066BC
1234567
8 9 10 11 12 13 14
J320.
13P
1 2 3 4 5 6 7 8 9 10 11 12 13
R44
22K
R93 22K
R94 22K
R92 22K
U53
DTC124ES
2
3
1
R90 1K
R51
1K D50
1N4003
Q3 2SB1237TV2Q
P504
2P
1
2
C2
330u35V
E8
C2
C2
D2
D2
F4
E1
E7
A2
E1
E3
E2 E4
E5
E9
B3
E4
E10
B1
E11
E6
E2
E5
B4
E9
B2
E10
E6
E7
E3
B2
B1
B3
B4
E8
A4
A3
A2
A3 A4
D4
D1
D1
D4D3
D3
A1
A1
C1
C1
E12
E12
PE3/INT3 PE4/RMC PE5 PE6 PE7 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 PA0/AN0 PA1/AN1 PA2/AN2
PA3/AN3
PA4/AN4
PA5/AN5
PA6/AN6
PA7/AN7
EXTAL
XTAL
VSS
PD0/S0
REST
PD1/S1
PD3/S3
PD2/S2
PD4/S4
PD5/S5
PD6/S6
PD7/S7
PF0/S8 PF1/S9
PF2/S10 PF3/S11 PF4/S12 PF5/S13 PF6/S14
PF7/S115
S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28
T7 T6
T5
T4
T3
T2
T1
T0
VFDP
VDD
PH3/TX
PH3/TEX
NC
PH1
PH0
PE0/INT0
PE1/INT1
PE2/INT2
F1 F1 NP G1 G2 G3 G4 G5 G6 NC NC P17 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 NP F2 F2
MECH I (A) PWB
VR PWB MAIN PWB TRANSF B PWB
SLIDE PWB
MECH II (B)PWB
MAIN PWB
REMOTE PWB
KEY PWB
FRONT PWB

19 20
0V
P305
TO
MAIN PWB
TO
PWB
0V
P305
J318
TO
MAIN PWB
TO
TRANSF. A PWB
CONTROL
PWB
/F
/N
CONTROL
J318
MAINS CORD
AC230V
50Hz
S401
POWER SW 1
2
3
S401
POWER SW 1
2
3
MAINS CORD
AC100V
50-60Hz
POWER
TRANS.
1
2
3
4
5
12
13
14
15
16
17
POWER
TRANS.
1
2
3
4
5
12
13
14
15
16
17
W172
W170
1
2
J401
5P
1
2
3
4
51
2
J401
5P
1
2
3
4
5
TRANSF. A PWB TRANSF. B PWB
TRANSF. B PWB
47
47
+-
+-AB
AB
MECH I (A)
MECH II (B)
TAPE
METAL
PLAY
SOL
CrO2
TAPE
470
470 PLAY
SOL
CrO2
F.REC
R.REC
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
12
13
CONTROL PWB
CONTROL PWB
REC VR
PHONES PWB
VR PWB
SLIDE PWB
REMOTE PWB
SW27
DOLBY NR
12
3
J501
6P 1
2
3
4
5
6
SW26
TIMER
1
2
3
4
SW21
REV MODE
12
3
4
J304
3P
1
2
3
P503
3P
1
2
3
J31 PHONES
R32
5K(B)
R411
8.2K
R31
VR 50K(B)*2
R410
8.2K
J311
6P
1
2
3
4
5
6
C403
0.047u
IN/OUT JACK
R450
47
C450
0.1u
2P WIRE
1
2
J23
REMOTE
C406
0.1u
J306
3P
1
2
3
C408
0.1u
J504
2P
CONTROL PWB
CONTROL PWB
MAIN PWB
MAIN PWB
MAIN PWB
KEY PWB
PITCH CONTROL

2221
6. PARTS LOCATION
CONTROL PWB
KEY PWB
U3
Q3
U47 U48
Q4
U43
U54 U53 U55 U45
U52 U51 Q2
Q5 Q6
U49 U50
U41 Q7 Q1
(U42)
VR PWB PHONE PWB
SLIDE PWB
鉛フリー半田
鉛フリー半田
半田付けには、鉛フリー半田 (Sn-Ag-Cu) を使用してください。
Lead-free Solder
When soldering, use the Lead-free Solder (Sn-Ag-Cu).

23 24
REMOTE PWB
TRANSF. A PWB
TRANSF. B PWB
鉛フリー半田
鉛フリー半田
半田付けには、鉛フリー半田 (Sn-Ag-Cu) を使用してください。
Lead-free Solder
When soldering, use the Lead-free Solder (Sn-Ag-Cu).
Q102 Q202 Q304 Q203 Q103Q302 Q303
U343 Q301
U308
Q106 U103
Q206 U203
U102
U306
U351
U311
U312U307
U310 U303
U304
U332
U335
U325
U202
U323
U309
U342 U341 U340 U339
U7
Q307
U101 Q306
U301 U302U201
U330
U329
U324
U331
U328
U322
U346
U345
U347
U337
U327
U336
U338
U321
U348 U349
MAIN PWB
TR PWB

2625
U42 : CXT82940
U310 : µPC1297CA
U305 : HA1213AF
RAM
2048 BYTES
SPC 700
CPU CORE
INTERRUPT CONTROLLER
A/D CONVERTER
SERIAL
INTERFACE
UNIT (CH0)
SERIAL
INTERFACE
UNIT (CH1)
8 BIT TIMER/COUNTER 0
8 BIT TIMER 1
I
2
C BUS
INTERFACE UNIT
INT3/NMI
INT1
INT0
INT2
AN0 to AN7 8PA0 to PA7
BUFFER
RAM
REMOCON IN
FDP
CONTROLLER/
DRIVER
32KHz
TIMER/COUNTER
PRESCALER/
TIME BASE TIMER
RST
V
DD
V
SS
PORT A
PORT B
PORT C
PORT D
PORT E
PORT F
PORT G
8
8
6
2
4
4
8
8
PB0toPB7
PC0toPC7
PD0toPD7
PE0toPE5
PF0toPF3
PG0 to PG3
PE6toPE7
TEX
EXTAL
XTAL
TX
AV
REF
AV
SS
T0 to T7
T8/S19 to T15/S12
S0 to S11
V
FDP
KR0 to KR7
RMCO
RMC
CS0
SI0
SO0
SCK0
SI1
SO1
SCK1
EC
SCL0
SCL1
SDA0
2
8
8
ROM
40K/48K/52K/60K
BYTES
12
8
RAM
RAMKEY SCAN
2
CLOCK
GENERATOR
SYSTEM CONTROL
BUFFER
RAM
REMOCON OUT
SDA1
AV
DD
FIFO
FIFO
ADJ
TO
2
PE0/EC/INT0
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 40
39
38
37
36
35
34
31 32 33
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
70 69 68 67
63
64
65
66
61
62
71
72
73
74
75
7677
78
79
80
1
T0
T1
T2
T3
T4
T5
T6
PB5/SCK1
PB3/SI0
PB4/SO0
PB6/SI1
PB7/SO1
PA7/AN7
PA0/AN0
PA1/AN1
PA2/AN2
PA3/AN3
PA4/AN4
PA5/AN5
PA6/AN6
T7
T10/S17
T11/S16
T12/S15
T13/S14
T14/S13
T15/S12
S11
S10
S9
S8
PD7/S7
PD6/S6
T8/S19
T9/S18
PC6/KR6
PC7/KR7
PD5/S5
PD4/S4
PD3/S3
PD2/S2
PD1/S1
PD0/S0
VFDP
NC
TEX
TX
V
DD
PG3
PG2
PG1
PG0
PE1/INT1
PE2/INT2
PE3/INT3/NMI
PE4/RMC
PE5
PE6/RMCO
PE7/TO/ADJ
PB0
PB1/CS0
PB2/SCK0
AVDD
PC0/KR0
PC1/KR1
PC2/KR2
PC3/KR3
PC4/KR4
PC5/KR5
AV
REF
V
SS
AV
SS
PF0/SCL0
PF1/SCL1
PF2/SDA0
PF3/SDA1
EXTAL
XTAL
RST
Pin code I/O Functions
I/O/
Analog input
PA0/AN0
to
PA7/AN7
Analog inputs to A/D converter. (8 pins)
I/O/Input
PC0/KR0
to
PC7/KR7
PE0/INT0/EC
PE1/INT1
PE2/INT2
PE3/INT3/
NMI
PE4/RMC
PE5
PE6/RMCO
PE7/TO/ADJ
PF0/SCL0
PF1/SCL1
PF2/SDA0
PF3/SDA1
Input/Input/Input
Input/Input
Input/Input
Input/Input/Input
Input/Input
Input
Output/Output
Output/Output/
Output
Output/I/O
Output/I/O
Serves as key return inputs when operating
key scan with fluorescent display panel (FDP)
segment signal (8 pins).
(Port E)
8-bit port. Lower 6 bits
are for inputs; upper
2 bits are for outputs.
(8 pins)
(Port F)
4-bit output port,
operating as N-ch open
drain output for large
current (12mA).
(4 pins)
External event inputs for
timer/counter.
Inputs for
external
interruption
request.
(4 pins) Non-maskable interruption
request input.
Remote control reception circuit input.
Carrier output of remote control transmission
circuit.
Output for the timer/counter rectangular waves,
and 32kHz oscillation dividing frequency.
Transfer clock I/Os for I
2
C bus interface.
Transfer data I/Os for I
2
C bus interface.
I/O
I/O/Input
I/O/I/O
I/O/Input
I/O/Output
I/O/I/O
I/O/Input
I/O/Output
PB0
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1
(Port B)
8-bit I/O port. I/O can
be set in a unit of
single bits.
Incorporation of pull-up
resistor can be set
through the software in
a unit of 4 bits.
(8 pins)
Chip select input for serial interface (CH0).
Serial clock I/O (CH0).
Serial data input (CH0).
Serial data output (CH0).
Serial clock I/O (CH1).
Serial data input (CH1).
Serial data output (CH1).
(Port A)
8-bit I/O port. I/O can
be set in a unit of
single bits.
Incorporation of pull-up
resistor can be set
through the software in
a unit of 4 bits.
(8 pins)
(Port C)
8-bit I/O port. I/O can
be set in a unit of single
bits. Capable of driving
12mA sync current.
Incorporation of pull-up
resistor can be set
through the software in
a unit of 4 bits.
(8 pins)
Output/Output
PD0/S0
to
PD7/S7
(Port D)
8-bit output ports.
(8 pins)
FDP segment signal outputs.
(8 pins)
OutputS8 to S11 FDP segment signal outputs. (4 pins)
Output/Output
T8/S12
to
T15/S19
Outputs for FDP timing signals/segment signals.
(8 pins)
I/OPG0 to PG3
(Port G)
8-bit I/O port. I/O can be set in a unit of single bits.
Incorporation of pull-up resistor can be set through the software in a unit
of 4 bits.
(4 pins)
V
FDP
EXTAL
XTAL
TEX
TX
RST
NC
AV
REF
AV SS
V DD
V SS
Input
Output
Input
Output
Input
Input
FDP voltage supply when incorporated resistor is set by mask option.
T0 to T7 FDP timing signal outputs.
Crystal connectors for system clock oscillation. When the clock is
supplied externally, input to EXTAL; opposite phase clock should be
input to XTAL.
Crystal connectors for 32kHz timer/counter clock oscillation. Set 32kHz
crystal oscillator between TEX and TX. For usage as event input, attach
clock source to TEX, and open TX.
Low-level active, system reset.
NC. Under normal operation, connect to V
DD .
AV
DD
Positive power supply for A/D converter.
Reference voltage input for A/D converter.
A/D converter GND.
Positive power supply.
GND.
Output
Note) NC (Pin 75) must be connected to VDD.
1. Pin Functions
3. Pin Configuration
2. Block Diagram
V CC V R2 V IN(R)2 PH 2 C IN2 C OUT2 V OUT21 V OUT22 V IN(O)
V ST V R1 V IN(R)1 PH 1 C IN1 C OUT1 V OUT11 V OUT12 GND
10111213141516
ABSO
DET
PEAK
DET
ABSO
DET
PEAK
DET
VCA
PRE.
DRIVER
POWER
REGULATOR
THERMO
DETECT
VCA
1718
123456789
GND
+
BIAS
SW
BUF
AMP
BUF
AMP
SW SIDE
CHAIN
SIDE
CHAIN
16 15 14 13 12 11 10 9
8765
4
321
REC IN V PB IN V NR
ON/OFF
REF
+
22 µ
0.22 µ
22 k
PB OUT DET REC OUT
REC OUT
0.22 µ
DET
PB OUT
22 k
18 k
REC/PBBIAS
PB IN
REC IN
CC
1 µ
U310 : µPC1297CA
7. MICROPROCESSOR AND IC DATA

27 28
NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
MECHI(A)
CONTROL PWB
MAIN PWB
DECK I (A)
MECH II (B)
DECK II (B)
VR PWB
PHONE
PWB
TRANSF. B PWB
TRANSF. A PWB
REMOTE
PWB
SLIDE PWB
KEY
PWB
TRANSF.
TR PWB
8. EXPLODED VIEW AND PARTS LIST
P.C.B.
NAME
VERS.
COLOR
PART NO.
(
FOR EUR
)
PART NO.
(
MZ
)
PART NAME DESCRIPTION
2 00M16CW304500 00M16CW304500 MECHANISM MECH ASSY, P CMAL2Z093C G M02285900A
3 00M16CW258110 00M16CW258110 HOOK HOOK, EJECT
(
L
)
G 3M0053200F
4 00M16CW115150 00M16CW115150 SPRING SPRING, HOOK L G 3M0054300D
5 00M286W115120 00M286W115120 SPRING SPRING EJECT W-790R G 3M0060700B
6 00M286W154020 00M286W154020 KNOB KNOB, G DOLBY/TIMER/MODE 3M0077300A
7ns
p
ns
p
PWB ASSY PWBA, SLIDE SD4051FB G E95288500A
8 00M286W130110 00M286W130110 DAMPER DAMPER, GEAR 001P-O-L NF-G 3M006100
9ns
p
ns
p
BRACKET DAMPER BRK W-790R G 3M0060600B
10 ns
p
ns
p
PWB ASSY PWBA, KEY SD4051FB G E95288100A
11 ns
p
ns
p
PWB ASSY PWBA, CONTROL SD4051FB G E95288200A
12 ns
p
ns
p
PLATE PLATE, SHIELD G 3M0054000B
13 00M286W270140 00M286W270140 BUTTON BUTTON, EJECT L
(
B
)
G 3M0053000B
14 00M286W115130 00M286W115130 SPRING SPRING, L G 3M0053300C
15 00M286W270110 00M286W270110 BUTTON BUTTON, MAIN A SD4050 G 3M0076800A
16 00M286W270120 00M286W270120 BUTTON BUTTON, MAIN B SD4050 G 3M0076810A
17 ns
p
ns
p
BRACKET BRACKET, TOP G 3M0056000A
18 ns
p
ns
p
BRACKET BRACKET, BASE G 3M0056100A
19 ns
p
ns
p
PWB ASSY PWBA, VR SD4051FB G E95288600A
20 ns
p
ns
p
PWB ASSY PWBA, PHONE SD4051FB G E95288700A
21 00M286W270130 00M286W270130 BUTTON BUTTON, EJECT R
(
B
)
G 3M0053100B
22 00M286W115140 00M286W115140 SPRING SPRING, R G 3M0053400C
23 00M16CW115160 00M16CW115160 SPRING SPRING, HOOK R G 3M0054400D
24 00M286W258120 00M286W258120 HOOK HOOK, EJECT
(
R
)
G 3M0055300F
25 00M16CW248010 00M16CW248010 PANEL FRONT PANEL, SD4051 G M02461700A
26 00M14AJ251010 00M14AJ251010 BADGE BADGE, MARANTZ GOLD G M02423501A
27 00M16CW271110 00M16CW271110 HOLDER LEAD G 3M0052300C
28 00M286W270010 00M286W270010 BUTTON BUTTON, POWER SD4050 G 3M0076700A
29 00M286W270050 00M286W270050 BUTTON BUTTON, RESET SD4050 G 3M0077200A
30 00M286W158010 00M286W158010 WINDOW WINDOW, FL SD4050 G 3M0077000A
31 00M286W274110 00M286W274110 REFLECTOR PLATE, REFLECT G 3M0062400A
32 ns
p
ns
p
PWB ASSY PWBA, REMOTE SD4051FB G E95289000A
33 00M16CW304510 00M16CW304510 MECHANISM MECH ASSY, RP CMAL2Z094C G M02286000A
34 00M286W154010 00M286W154010 KNOB KNOB, REC VOLUME SD4050 G 3M0076600A
35 00M286W154030 00M286W154030 KNOB KNOB, M
(
B
)
G PITCH CONTROL 3M0052900A
36 00M286W053010 00M286W053010 COVER LID, CASSETTE SD4050 G 3M0076900A
37 00M450H259010 00M450H259010 BUSHING BUSHING, #2271
(
CSA
)
-G 3M000880
38 F B ns
p
90M-YC000930R MAINS CORD # POWER COJPN-G 3E002120
38
/
N1B 90M-YC000940R 90M-YC000940R MAINS CORD # POWER COEUR-G 3E015210
39 F B ns
p
ns
p
PANEL PANEL, REAR JPN SD4051 G M02461601A
39
/
N1B ns
p
ns
p
PANEL PANEL, REAR EURY SD4051 G M02461650A
42 ns
p
ns
p
PWB ASSY PWBA, TR SD4051FB G E95288300A
43 ns
p
ns
p
PWB ASSY PWBA, MAIN SD4051FB G E95288000A
44 ns
p
ns
p
BRACKET BRACKET, LINKAGE G 3M0016400C
45 F B ns
p
ns
p
PWB ASSY PWBA, TRANS JPN 4051FB G E95288800A
45
/
N1B ns
p
ns
p
PWB ASSY PWBA, TRANS A EUR 4051FB G E95288850A
46 F B ns
p
ns
p
PWB ASSY PWBA, TRANS B JPN 4051FB G E95288900A
46
/
N1B ns
p
ns
p
PWB ASSY PWBA, TRANS B EUR 4051FB G E95288950A
47 90M-TS002840R 90M-TS002840R TRANSF. # TRANS, POWER W-860R ALL G 3E0399900A
48 00M286W121110 00M286W121110 LINK LINKAGE, POWER G 3M0053600B
49 ns
p
ns
p
CHASSIS MAIN CHASSIS, W-790R G 3M0010830C
50 ns
p
ns
p
INSULATOR INSULATE SHEET W-790R G 3M0062000A
52 00M286W057010 00M286W057010 LEG FOOT ASSY, SD-455 G 3M0047200A
61 ns
p
ns
p
SCREW SCREW, PPSU 3*6 FZB G B00197606A
62 ns
p
ns
p
SCREW SCREW, VPCR 3*8 FZB G B00170608A
63 ns
p
ns
p
SCREW SCREW, BPP 3*8 FZC G B00199008A
64 ns
p
ns
p
SCREW SCREW, DPSU 2.6*4.5FZC G B00245100A
65 ns
p
ns
p
SCREW SCREW, BPS 3*6 FZC G B00198306A
66 ns
p
ns
p
SCREW SCREW, BPS 3*6 FZB G B00198606A
69 ns
p
ns
p
SCREW SCREW, BPSU 4*5FZB G B00246805A
70 ns
p
ns
p
SCREW SCREW, BPS M3X8 G 3B0000108A
/
N1B 90M-FC500080R 90M-FC500080R FERRITE CORE FER.CORE B18T 25X12X15 G 3E010000
/
N1B 90M-FC500100R 90M-FC500100R FERRITE CORE FER.CORE K5AT18.3X10X10 G 3E002720
POS. NO.

3029
MECHI(A)
DECK I (A)
MECH II (B)
DECK II (B)
FFC
PWB
FFC
PWB
P.C.B.
NAME
VERS.
COLOR
PART NO.
(
FOR EUR
)
PART NO.
(
MZ
)
PART NAME DESCRIPTION
POS. NO.
PACKING
F B ns
p
00M16CW851110 USER GUIDE OWNERS MNL, JPN SD4051 G D00934401A
/
N1B 00M16CW851310 00M16CW851310 USER GUIDE OWNERS MNL, EURY SD4051 G D00934450A
00MZK240W0010 00MZK240W0010 UNIT KIT REMOTE CONTROLLER RC455SD ZK240W0010
NOT STANDARD SPARE PART
ns
p
00M16CW801010 PACKING CASE CARTON BOX OUTER SD4050 3M0078700A
ns
p
00M286W809010 CUSHION CUSHION, TOP SD4050 G 3M0078400A
ns
p
00M286W809020 CUSHION CUSHION BOTTOM SD4050 G 3M0078500A
1ns
p
00M16CW257010 LID BONNET SD4050 G 3M0053920D
ns
p
90M-ZD000590R CONN. CORD PIN COG 3E000380
ns
p
90M-ZD000600R CONN. CORD PIN CODE 1P ORANGE G 3E0109000A
NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS. NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
P.C.B.
NAME
VERS.
COLOR
PART NO.
(FOR EUR)
PART NO.
(MZ) PART NAME DESCRIPTION
1A 90M-ZZ003580R 90M-ZZ003580R PWB ASSY PWB CONTROL (PB)
1B 90M-ZZ003590R 90M-ZZ003590R PWB ASSY PWB CONTROL (REC/PB)
2 90M-MM001370R 90M-MM001370R MOTOR MOTOR MAIN
3 00M16CW061010 00M16CW061010 CLUTCH CLUTCH ASSY
4 00M16CW255010 00M16CW255010 PINCH ROLLER POLLER PINCH (L)
5 00M16CW255020 00M16CW255020 PINCH ROLLER POLLER PINCH (R)
6A 90M-LH200120R 90M-LH200120R PLAYBACK HEAD PLATE HEAD (PB)
6B 90M-LH400170R 90M-LH400170R REC./PLAY HEAD PLATE HEAD (REC/PB) 9A07387400
7 00M240W264010 00M240W264010 BELT BELT MAIN 3M002950
8 00M16CW061020 00M16CW061020 CLUTCH CAPSTAN ASSY
9 00M240W264020 00M240W264020 BELT F/R BELT 3M002940
POS. NO.