SECTION 6

DIAGRAMS

6-1. CIRCUIT BOARDS LOCATION

PT board

VOL-SEL board

(SP, MY model)

KEY-SW board

MAIN board

BD board

DISPLAY board

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.

(In addition to this, the necessary note is printed in each block.)

For schematic diagrams.

Note:

•All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

•All resistors are in Ω and 1/4 W or less unless otherwise specified.

•f : internal component.

•2: nonflammable resistor.

•1: fusible resistor.

•C: panel designation.

Note:

Note:

The components identi-

Les composants identifiés par

fied by mark 0or dotted

une marque 0sont critiques

line with mark 0are criti-

pour la sécurité.

cal for safety.

Ne les remplacer que par une

Replace only with part

pié ce portant le numé ro

number specified.

spécifié.

 

 

•U : B+ Line.

•V : B– Line.

•H: adjustment for repair.

•Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions.

•Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc- 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.

E : PB

j : REC

p: PB (DIGITAL OUT)

l: REC (DIGITAL IN)

•Abbreviation

CND : Canadian model

SP

: Singapore model

MY

: Malaysia model

HK

: Hong Kong model

AUS

: Australian model

For printed wiring boards.

Note:

•X: parts extracted from the component side.

•Y: parts extracted from the conductor side.

•a : Through hole.

•b: Pattern from the side which enables seeing. (The other layers' patterns are not indicated.)

Caution:

Pattern face side: Parts on the pattern face side seen from the

(Side B) pattern face are indicated.

Parts face side: Parts on the parts face side seen from the

(Side A)

parts face are indicated.

• Indication of transistor

B C E

These are omitted.

B C E

These are omitted.

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q

 

 

These are omitted.

 

 

 

 

 

B E

31 31

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Sony NEW, MDM-7A, KMS-2608/J1N Section Diagrams, Circuit Boards Location, For schematic diagrams, For printed wiring boards
Page 30 Page 32

KMS-2608/J1N, MDM-7A, NEW specifications

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