Sony MZ-R50 Service Manual - Page 41

Schematic Diagram - Main 2/3

Page 41 highlights

MZ-R50 6-6. SCHEMATIC DIAGRAM - MAIN (2/3) SECTION - r Refer to page 62 for IC Block 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. • A : B+ Line. • Power voltage is dc 6V and fed with regulated dc power supply from external power voltage jack (J901). • Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : PB ( ) : REC • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc- tion tolerances. • Signal path. E : PB a : REC N : MIC - 53 - - 54 - - 55 - - 56 -

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56

– 55 –
– 56 –
– 53 –
– 54 –
MZ-R50
r
Refer to page 62 for IC Block Diagrams.
6-6. SCHEMATIC DIAGRAM – MAIN (2/3) SECTION –
Note:
All capacitors are in
μ
F unless otherwise noted.
pF:
μμ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in
and
1
/
4
W or less unless otherwise
specified.
A
: B+ Line.
Power voltage is dc 6V and fed with regulated dc power
supply from external power voltage jack (J901).
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark
: PB
(
)
: REC
Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
Signal path.
E
: PB
a
: REC
N
: MIC