Sony C-357 Service Manual Download Page 2

SECTION 2

DISASSEMBLY

Note :

Follow the disassembly procedure in the numerical order given.

2-1. CASE ASSY, MICROPHONE

2

 Grip

3

 Screw

5

 Case assy, microphone

4

 Screw

1

 Ring, screw

     Turn the Ring, screw
     in the direction of the
     arrow 

A

, and remove it.

A

3

 Screw (+P 2 

×

 6)

7

 Two screws (+K 2 

× 

5)

6

 Screw

     (+K 2 

×

 5)

5

 Chassis

4

 Terminal, ground

1

 Two screws

2

 Two screws

8

 Sleeve, connector

Note:
To re-attach it, turn the PAD knob
first in the direction of the arrow and attach it.

2-2. CHASSIS, “SLEEVE, CONNECTOR”

— 3 —

6

 Remove the two solderings

     and remove the harness.

3

 Remove soldering

8

 AMP board

4

 Terminal, plus

2

 Terminal, minus

9

 Transformer, output

5

 Remove three solderings and

     remove the three harnesses.

1

 Remove soldering

7

 Two screws (+PTPWH 2 

×

 5)

2-3. AMP BOARD

— 4 —

Summary of Contents for C-357

Page 1: ...S SECTION 1 GENERAL Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be damaged by heat This section is extracted from instruction manual 2 CONDENSER MICROPHONE MICROFILM Ver 1 0 1999 02 ...

Page 2: ...ws K 2 5 6 Screw K 2 5 5 Chassis 4 Terminal ground 1 Two screws 2 Two screws 8 Sleeve connector Note To re attach it turn the PAD knob first in the direction of the arrow and attach it 2 2 CHASSIS SLEEVE CONNECTOR 3 6 Remove the two solderings and remove the harness 3 Remove soldering 8 AMP board 4 Terminal plus 2 Terminal minus 9 Transformer output 5 Remove three solderings and remove the three h...

Page 3: ...duc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F MIC Ref No Location D1 F 3 D2 I 3 D3 H 3 D4 B 3 D5 B 3 D6 G 3 D7 G 2 IC1 G 2 Q1 B 5 Q2 C 3 Q3 I 3 Semiconductor Location 1 D6 ANODE 5µsec div 20V div Waveform MIC1 TOTAL CURRENT 7 mA CAPSULE DRY BATTERY SIZE AA IEC DESIGNA...

Page 4: ...RY CHECK INDICATOR D6 8 719 820 41 DIODE 1SS302 D7 8 719 975 40 DIODE RB411D IC IC1 8 759 564 83 IC XC6371A701PR COIL L1 1 412 963 11 INDUCTOR 100uH L2 1 412 963 11 INDUCTOR 100uH TRANSISTOR Q1 8 729 203 02 TRANSISTOR 2SK30A O Q2 8 729 230 63 TRANSISTOR 2SC4116 YG Q3 8 729 230 63 TRANSISTOR 2SC4116 YG RESISTOR R1 1 215 065 00 METAL OXIDE 999 99M 20 1 8W R2 1 215 065 00 METAL OXIDE 999 99M 20 1 8W ...

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