Sony CFD-ZW750 - Cd Radio Cassette-corder Service Manual - Page 8

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Sony CFD-ZW750 - Cd Radio Cassette-corder Service Manual

5-14. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — (for CFD-ZW770) • Refer to page 53 for IC Block Diagrams.

• Semiconductor Location

Ref. No.

Location

Ref. No.

Location

F-12

IC1

H-11

F-12

IC2

H-10

F-11

IC301

G-6

B-12

IC302

D-7

B-12

IC303

B-6

H-12

IC304

B-8

C-12

IC305

H-4

C-12

D10

H-12

F-10

D301

E-7

Q101

C-7

D302

H-5

Q201

C-6

D303

I-5

Q301

F-6

D304

F-4

Q302

F-6

D305

F-4

Q303

F-6

D306

H-9

Q304

F-7

D307

H-9

Q305

F-4

D308

H-9

Q306

G-4

D309

H-8

Q307

G-4

D310

H-8

Q308

F-4

D311

E-8

Q309

F-4

D312

E-8

Q310

F-4

D313

C-11

Q311

F-9

D314

C-11

Q312

F-9

D315

C-10

Q313

E-9

D316

D-10

Q314

E-9

D317

D-10

Q315

H-7

D318

D-10

Q316

H-8

D319

C-11

Q317

H-8

D320

C-11

Q318

F-8

D321

D-10

Q319

F-8

D322

D-10

Q320

C-11

D323

D-9

Q321

E-7

D324

E-10

Q322

E-8

D325

B-8

Q323

E-8

D326

B-9

Q324

C-11

D327

C-11

Q325

C-11

D328

D-10

Q327

D-11

D329

H-4

Q328

D-11

D331

B-9

Q329

D-11

D333

D-10

Q330

D-9

D334

H-4

Q331

B-9

D335

H-5

Q332

H-4

D336

I-8

Q333

B-9

D337

I-8

Q334

I-4

D338

H-8

Q335

I-4

D339

H-8

Q336

I-5

D340

H-8

Q337

I-5

D341

G-4

Q338

D-8

D342

G-4

Q339

D-9

D343

G-3

Q340

G-4

(Page 50)

– 41 –

– 42 –

CFD-ZW750/ZW770

(Page 47)

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

W or less unless otherwise

specified.

• C : panel designation.

• U : B+ Line.

• H : adjustment for repair.

• Power voltage is dc 9 V and fed with regulated dc power

supply from battery terminal.

(Page 27)

• Voltage is dc with respect to ground under no-signal

(detuned) condition.

no mark : FM

(

) : PB (TAPE)

> : REC (TAPE)

[

] : CD STOP

((

)) : DUBBING

>> : HIGH-SPEED DUBBING

• Voltages are taken with a VOM (Input impedance 10 MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Signal path.

: FM

: PB (DECK A)

(Page 24)

: PB (DECK B)

: REC (DECK B)

: CD

– 43 –