Read Sony HCD-RG60 / MHC-RG60 Service Manual online
19
19
HCD-RG60
SECTION 6
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
• C : panel designation.
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
• Indication of transistor.
Note:
The components identified by mark
The components identified by mark
! or
dotted line with mark
! are critical for
safety.
Replace only with part number specified.
Replace only with part number specified.
• A : B+ Line.
• B : B– Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : FM
(
tion tolerances.
no mark : FM
(
) : CD
[
] : TAPE
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: digital out
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
6-1. CIRCUIT BOARD LOCATION
• WAVEFORMS
1
IC102 wf STOP MODE
4.1Vp-p
2
IC401 qd STOP MODE
3
IC401 qa STOP MODE
4.0Vp-p
3.0Vp-p
222ns
(4.5MHz)
63ns
(16.0MHz)
31
µs
(32.768kHz)
1
IC701 4 STOP MODE
5.3Vp-p
200ns
(5MHz)
– MAIN BOARD –
– PANEL BOARD –
1
IC101 yj
CD PLAY MODE
6.4Vp-p
59ns
(16.9344MHz)
1.2Vp-p
2
IC101 ta
CD PLAY MODE
3
IC101 ra
CD PLAY MODE
4
IC101 el
CD PLAY MODE
400nsec/div
approx 200mVp-p
approx 170mVp-p
– BD BOARD –
TRANS board
MOTOR board
ADDRESS SENSOR board
DRIVER board
BD board
SENSOR board
SURROUND board
VIDEO OUT board
SUB TRANS board
MAIN board
POWER AMP board
PANEL board
KEY board
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