Sony CDX-1000RF service manual Circuit Boards Location, For schematic diagram

4-5. CIRCUIT BOARDS LOCATION

DISC IN SW board SUB board

LIMIT SW board

LOAD SW board MAIN board

DISPLAY board

SERVO 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 diagram:

•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.

•% : indicates tolerance.

•C : panel designation.

Note: The components identified by mark 0or dotted line with mark 0are critical for safety.

Replace only with part number specified.

•U : B+ Line.

•H: adjustment for repair.

•Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords.

•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.

F : FM

f : AM

J : CD

for printed wiring boards:

•X: parts extracted from the component side.

•b: Pattern from the side which enables seeing.

• Waveforms	(MODE:PLAY)
1
	0V
Approx. 620mVp-p
IC2 1 (FEO)
2
	1.2Vp-p
IC2 ea (RFO)
3
	0V
Approx. 200mVp-p
IC2 rs (TEO)
4
	2.6Vp-p
	7.6∝ sec
IC1 3 (MDP)
5
	5.8Vp-p
22.7∝	sec
IC1 w; (LRCK)
6
	5.7Vp-p
474nsec
IC1 ws (BCK)
7
	3.2Vp-p
16.89MHz
IC1 ef (XTAI)

15 15