Marantz PM7000 Service Manual

35
9. ELECTRICAL PARTS LIST
ASSIGNMENT OF COMMON PARTS CODES.
RESISTORS
R : 1) GD05 x x x 140, Carbon film fixed resistor, ±5% 1/4W
R : 2) GD05 x x x 160, Carbon film fixed resistor, ±5% 1/6W
1 Resistance value
Examples ;
1 Resistance value
0.1 Ω .......001 10 Ω ....... 100 1k Ω...102 100k Ω ..... 104
0.5 Ω .......005 18 Ω ....... 180 2.7k Ω...272 680k Ω ..... 684
1 Ω .......010 100 Ω ....... 101 10k Ω...103 1M Ω ..... 105
6.8 Ω .......068 390 Ω ....... 391 22k Ω... 223 4.7M Ω ..... 475
Note : Please distinguish 1/4W from 1/6W by the shape of parts
used actually.
CAPACITORS
C : CERAMIC CAP.
3) DD1 x x x x 370, Ceramic capacitor
Disc type
Temp.coeff. P350~N1000, 50V
3 Capacity value
2 Tolerance
Examples
2 ATolerance (Capacity deviation)
± 0.25 pF ....... 0
± 0.5 pF ....... 1
± 5 % ....... 5
Tolerance of COMMON PARTS handled here are as follows :
0.5 pF - 5 p ......... ± 0,25 pF
6 pF - 10 pF ..... ± 0.5 pF
12 F - 560 pF... ± 5 %
3 Capacity value
0.5 pF .... 005 3 pF .... 030 100 pF..... 101
1 pF .... 010 10 pF .... 100 220 pF..... 221
1.5 p .... 015 47 pF .... 470 560 pF..... .561
C : CERAMIC CAP.
4) DK16 x x x 300, High dielectric constant ceramic
capacitor
Disc type
Temp.chara. 2B4, 50V
4 Capacity value
Examples
4 Capacity value
100 pF .....101 1000 pF .... 102 10000 pF .... 103
470 pF .....471 2200 pF .... 222
C 5)ELECTR0LY CAP.( ), 6)FILM CAP ( )
5) EA x x x x x x 10, Electrolytic capacitor
One-way lead typeTolerance ±20%
6 Working voltage
5 Capacity value
Examples
5 Capacity value
0.1µ F .... 04 4.7µ F .... 475 100µ F .....107
0.33µ F .... 334 10µ F .... 106 330µ F ..... 337
1µ F .... 105 22µ F .... 226 1100µ F ..... 118
2200µ F .....228
6 Working voltage
6.3 V. . .006 25 V. . .025
10 V. . .010 35 V. . .035
16 V. . .016 50 V. . .050
6) DF15 x x x 350 Plastic film capacitor
DF15 x x x 310 One-way type, Mylar ±5% 50V
DF16 x x x 310 Plastic film capacitor
One-way type, Mylar ±10% 50V
7 Capacity value
Examples
7 Capacity valu
0.001µ F (1000pF) ....... 102 0.1µ F......104
0.0018µ F........................ 182 0.56µ F......564
0.01µ F........................ 103 1µ F......105
0.015µ F........................ 151
1) The above CODES(R , R , C ,C
and C ) are omitted on the schematic diagram in
some case.
2) On the occasion, be confirmed the common parts on the
parts list.
3) Refer to “Common Parts List” for the other common
parts(Rl05, DD4, DK4).
NOTE ON SAFETY FOR FUSIBLE RESISTOR :
The suppliers and their type numbers of fusible resistors are as
follows ;
1 . KOA Corporation
Part No.(MJI) Type No.(KOA) Description
NH05 x x x 140 RF25S x x x x Ω J(±5% 1/4W)
NH05 x x x 120 RF50S x x x x Ω J(±5% 1/2W)
NH85 x x x 110 RF73B2A x x x x Ω J(±5% 1/10W)
NH95 x x x 140 RF73B2E x x x x Ω J(±5% 1/4W)
Resistance value Resistance value(0.1 Ω- 10k Ω)
2. Matsushita Electronic Components Co., Ltd
Part No.(MJI) Type No.(MEC) Description
NF05 x x x 140 ERD-2FCJ x x x (±5% 1/4W)
RF05 x x x 140
NF02 x x x 140 ERD-2FCG x x x (±2% 1/4W)
RF02 x x x 140
Resistance value
Examples :
Resistance value
0.1 Ω .......001 10 Ω ...... 100 1k Ω.. 102 100k Ω .... 104
0.5 Ω .......005 18 Ω ...... 180 2.7k Ω..272 680k Ω .... 684
1 Ω ....... 010 100 Ω...... 101 10k Ω.. 103 1M Ω .... 105
6.8 Ω .......068 390 Ω...... 391 22k Ω.. 23 4.7M Ω .... 475
ABBREVIATION AND MARKS
ANT. : ANTENNA BATT. : BATTERY
CAP. : CAPACITOR CER. : CERAMIC
CONN. : CONNECTING DIG. : DIGITAL
HP : HEADPHONE MIC. : MICROPHONE
µ -PRO : MICROPROCESSOR REC. : RECORDING
RES. : RESISTOR SPK : SPEAKER
SW : SWITCH TRANSF. : TRANSFORMER
TRIM. : TRIMMING TRS. : TRANSISTOR
VAR. : VARIABLE X ‘ TAL : CRYSTAL
SM970926ACT
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.
NOTE
:
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Marantz PM7000 Specifications

General

Brand	Marantz
Model	PM7000
Category	Amplifier
Language	English