Nakamichi CA 5 Service Manual

Page 1

Nakamichi

Service Manual

Nakamichi
CA-5
CA-5E

Control Amplifier

Page 2

CONTENTS

SEN!"

994w

'General............................ ........... 1
Parts Location for Electrical Adjustment ............. . ..... 1
Electrical Adjustment . . . . . . . . . . ........ . 2
3. 1. DC Balance Adjustment for MC Amp. 2
Mechanism Assy and Parts List . ........... . . 2
4. 1. Synthesis . . . . . ....... 2
4. 2. Front Panel Assy (A01) 8
4. 3. Chassis Assy (A02) ...... . . 3
4. 4. Rear Panel Assy (BOl) ....... . 4
Mounting Diagrams and Parts List ......... 5
5. 1. Pin JackAP.C.B. Assy . . . . . 5
5. 2. Pin Jack B P.C.B. Assy . , . 5
5. 3. Pin Jack C P.C.B. Assy . . . . 5
5. 4. Power LED P.C.B. Ass'y . . 5
5. 5. Power Switch P.C.B. Assy . . . 6
5. 6. Load Switch P.C.B. Assy . . . . . ........... 6
5. 7. Switch Volume P.C.B. Assy . . . ........... 6
5. 8. Main P.C.B. Assy . ...... . 8
Schematic Diagram ............. . 9
Wiring Diagram 11
BlockDiagram... . .. . . .. .. .. 13
Specifications ..... . . . . . . . . . 14
GENERAL

141. Voltage Selector
Voltage selector is installed on the rear panel for other version of the Nakamichi CA-f).
This voltage selector can select either 120 V or 220 - 241) v at customers disposal.

1.2. Packing Materials. Owners Manual and Power Cord

2.

Put No. Description Q '

0F03867A Carton CA-5

OFOSBGBB Caxton (IA-5E

0F03863A Packing L

0F03364A Packing R

0F03684A Polyethylene Sheet

0D04534A Owners Manual English

0D04533A Owners Manual English/German/French
0390136A Power Cord CA-S (U.S.A.. Canuda 5: Others)
0390139A Power Cord CA-5 (Australia)
0390138A Power Cord CA-5E (220V Class 2)
0390140A Power Cord CA-5E (UK)

0F03881A Power Cord Band

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'4

PARTS LOCATION FOR ELECTRICAL ADJUSTMENT

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DC anlance vmm©

Main ROB.

Fig. 2

Page 5

4.4. Rent hnel Asly (301)

L01

0!

Others

Fiz. 4.4
Sxdggrggfc Part No, Description Qw fidgg'figfc rm No. Description My
A01 HA04826A Front Panel AHY (DA-5 1 , ' OBBOIZIA Fuse 50011111 CA-E (U.SVA,v 2
HA04827A Front Panel Auy CA-5E 1 Canada & Others)
Serial N0.: 310601001 - - 0390159A Fuse T250mA CA-5 (Australia) 8: 2
(IA-5E
01 011046163 Front Panel CA-5 1 - OBQOOBQA Fuse Holder CA-5 (U.SAA.. 2
011046173 Front Panel CA-SE 1 Canada It Others)
02 011046403 Side Panel L 1 - 0390090A Fuse Holder (EA-5 (Australia) G: 2
03 0H046398 Lens 1 CA-5E
04 BA05723A Power LED P.C.B. Assy 1 L01 0E00612A M3x6 99PM (2A) 2
05 011046483 Volume Knob Holder 4 L02 0E00921A 31 3x8 $ Binding 36
06 0H04641A Side Panel R. 1 (Black Chromate)
L03 - Nut 4
A02 - Chunk Alsy 1 L04 - Washer 4
Serial No.: 310601001 - L05 0E03294A BT 3x18 $Bindinz 4
(Black Chromate)
01 N04988A Front Chassis 1 L06 0E03030A M3x6 $ Binding (Nickel) 1
02 BA05855A Power Switch P.C.B. Assy 1 L07 0E0305SA M4x8 $ Binding (Black Chromate) 1
(IA-5 (U. 5: Canada) L08 0E00078A Washer 4mm Toothed Lock 1
BA05856A Power SWlt l .B. Aasy 1 L09 OEOOSGSA Nut Hex. M4 1
CA-5 (Australia) & CA-GE L10 - Nut 2
5A05857A Power Switch P.C.B. Assy 1 L11 OEOOBSEA 31 3x10 93 Binding 4
CA-5 (Others) L12 0E03278A BT 3x8 53PM Washerfaced 4
03 BAG-5724A Switch Volume P.C.B. Assy 1 (Black Chromate)
04 0M046803 Transtonner Label 1
05 0H04642A Transformer Cover 1 301 HA04B31A Rear Panel Afly CA-5
06 0350050A Power Transformer 120V 1 (U.S.A.. Canada 6: Australia)
(IA-'5 (U.S.A. 3: Canada) HA04829A Rear Panel Afly CA-5 (Otherl) 1
0850052A Power Transformer 220/240V l HA04830A Rear Panel Any (IA-55 1
(IA-5 (Australia) 8: (IA-5E Serial N0.: 310601001 -
0350053A Power Transformer 120/220-240V 1
(IA-5 (Others) 01 038137 3A Ground Terminal 1
07 0.105020A Collar Bushing A 4 02 0H04658D Rear Panel (IA-5 1
08 BA05716A Main P.C.B. Ass'y 1 0H04659D Rear Panel (IA-SE 1
09 OJDBOISA Collar Bushinl B 4 03 033137 2A 8! DIN Socket 1
10 M05005A Cushion 4 04 0382436A 2P-H Connector 1
11 HA04829A Rear Panel Assy CA-5 (Others) 1 05 0390087A AC Inlet 1
HA04830A Rear Panel Assy CA-5E 1 06 0J04GOIB Cover Plate (Except Others) 1
HAO4831A Rear Panel Assy CA-5 (U.S.A.. 1 07 0M08948A Voltage Lock Plate CIA-5 (Others) 1
Canada I: Australia) 08 050709211 Voltage Selector (IA-5 (Others) 1
12 BA05718A Pin Jack A P.C.B. Asly 1 L01 - Nut 1
13 BA05719A Pin Jack B P.C.E. Assy 1 L02 - Washer l
14 M05717A Load Switch P,C.B. Assy 1 L03 0E00985A MSXS SBBinding (Black Chromate) 4
15 BA05720A Pin Jack C P.C.B. Assy 3 (Except Others)
16 0J05028A Plastic Plug 1 0E00985A M3x6 9 Binding (Black Chromate) 6
17 (ll-1046223 Main Chassis 1 CA-5 (Others)
18 0J03564A LeE 4 L04 0308583A Plastic Rivet (Except Others) 2
19 01308515A [nan-Lock 10
- 013824373 Ground Wire A 1
- 0332439A Ground Wire C 1