Marantz PMD-520-F Service Manual
R
PMD520
Service
OVERLAP
REC
A B
A+B
HP SELECT
HP LEVEL
PHONES
POWER
AUTO
REW
5
4
3
2
1
0 10
9
8
7
6
FINE SPEED
BALANCE
5
4
3
2
1
0 10
9
8
7
6
REC LEVEL
DC SERVO CONTROLLED MOTOR / AUTO TAPE SELECTOR
3HEAD
L
0 3 +6dB36101520
R
STOP PLAY REC MUTE REC
AUTO BIA S
TAPE TIME RESET RESET TAPE TIME
CONT
MONITOR
TIMER
TIMER
A+B
BIAS
RESET
BIAS
RESET
HIGH NORM
MONITOR
TAPE SPEED
L
0 3 +6dB36101520
R
DC SERVO CONTROLLED MOTOR / AUTO TAPE SELECTOR
3HEAD
STOP PLAY REC MUTE REC
AUTO BIA S
FULLY INDEPENDENT DOUBLE CASETTE DECK PMD520
REC/PLAY REC/PLAY
DOLBY BÐC NR HX PRO
QA01
NJM2068DD
(1/2)
1
2
3
8
CA01
100p
CA05
0.1u
A-GND
RA07
2.2k
RA09
3.3k
1 3
2
CA02
100p
QA01
NJM2068
(2/2)
7
6
5
4
RA06
220K
A-GND
RA10
3.3k
1 3
2
RA08
2.2k
RA01
27K
RA03
2.7k
RA04
2.7k
RA02
27K
JA02
4
3
2
1
A-GND
RA05
220k
SA01
3
2
1
6
5
4
JA01
4
3
2
1
0dB
-20dB
Rch
Rch
Lch
Lch
(5)
(6)
(7)
(8)
Lch
Rch
Rch
PA01
WA418S5010
(1)
(4)
(3)
(2)
PA01
QA01
PMD520/F1B
Manual
PMD520FB は
このサービスマニュアルには
その他の部分は
参照して下さい。
74PMD520/02B PMD520U
74PMD520/02B PMD520U
74PMD520/02B PMD520U
Fully Independent Double Cassette Deck
の電源部分の変更 及び 入力 ATT 回路 (PA01) を追加した製品です。
との相違部分のみを記載しております。
のサービスマニュアル (
418S855010
または
4822 725 51174
) を
Printed in Japan
PMD520
418S855020 MIT
First Issue 2001.09
Pos. No. PARTS NO. DESCRIPTION Page
PA01 ATT CIRCUIT BOARD PA01 New
CA01 DK16101300 100pF K 50V PA01 New
CA02 DK16101300 100pF K 50V PA01 New
CA05 DD38104010 0.1µF +80%-20% 50V DC PA01 New
RA01 GD05273160 27kΩ ±5% 1/6W PA01 New
RA02 GD05273160 27kΩ ±5% 1/6W PA01 New
RA03 GD05272160 2.7kΩ ±5% 1/6W PA01 New
RA04 GD05272160 2.7kΩ ±5% 1/6W PA01 New
RA05 GD05224160 220kΩ ±5% 1/6W PA01 New
RA06 GD05224160 220kΩ ±5% 1/6W PA01 New
RA07 GD05222160 2.2kΩ ±5% 1/6W PA01 New
RA08 GD05222160 2.2kΩ ±5% 1/6W PA01 New
RA09 RA03320780 VR. 3.3kΩ PA01 New
RA10 RA03320780 VR. 3.3kΩ PA01 New
QA01 HC10053090 IC NJM-2068-DD PA01 New
SA01 SS02021710 SW. SSAA22-B NON-SHORTING PA01 New
QU01 HS418ST1R Microprocessor(programmed)
TMP87PM41N
P800 59p
J092 YJ04002360 AC INLET 2P SOT-16C Exv. 47p
L001 TS15725180 MAINS TRANSF. Exv. 47p
W001 ZC01801050 MAINS CORD FOR JAPAN Exv. 47p
002T 418S851110 USER GUIDE Exv. 47p
*
【 変更追加は以下の部分 】
-30
-20
-10
0
10
LEVEL [dBV]
LEVEL DIAGRAM
-26.9dBV
3
B QF02
A QF01
2
LINE INPUT
400Hz
1
-3.9dBV
B QG41
A QG01
REC VOL.CENTER
1
2
3
4
5
6
7
8 9
10
11
12
METAL
HIGH
NORMAL
-5.4dBV
1
1
20
25
15
1. TECHNICAL SPECIFICATIONS
Input Sensitivity
Line A (F) .......................................................................................................................................................... 1V
Line B (F) ................................................................................................................................................... 100mV
Input Impedance
Line A (F) ...................................................................................................................................................... 25k
Line B (F) .................................................................................................................................................... 100k
Power Supply
Power Requirement
F Version ............................................................................................................................. 100V AC 50/60Hz
2. LEVEL DIAGRAM
2
Ω
Ω
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