Sony D-5 - Page 32

4-1. MOUNTING DIAGRAM @ See page 52 for Semiconductor Lead Layouts. 6 7 8 9 10
SECTION 4
DIAGRAMS A
Note: [LIQUID CRYSTAL MODULE]
A part of the circuit in this model differs depending
on the microcomputer (Old: MB88541-120M, New:
MB88541-124M) being used for IC801. These differ-
ences are indicated by ‘“‘Old’’ and ““New”’ in schematic B
and mounting diagrams.
304,303
103 1C201,1C301
201 ;
1301 [RIPPLE FILTER BOARD)
30!
305 302
Old..... shows the circuit or value of the set using
type ‘‘MB88541-120M” for IC801 (D-5:
up to serial No. 104,000).
New .... shows the wiring or value of the set using Cc
type
‘‘MB88541-124M”
for
IC801
(D-5:
RE:
5
serial
No.
104,001
and
later,D-50),
NT
rg
Pe
Re
as
Ery°
Note:
|
1?
a,
e All capacitors are in wF unless otherwise noted. pF: wuF
50WV or less are not indicated except for electrolytics
e@ All resistors are in ohms, %W or less unless otherwise D
specified.
@ & _ : signal path.
e@ Components for right channel have same values as for left
channel. Reference numbers are coded from 200.
e 4: internal component.
e@ 1% shows tolerance.
e@ == © B+ bus. E
e
e
e
weeam : B— bus.
{] : adjustment for repair.
Voltages, waveform and total current are measured with
top panel closed.
e@ Power voltage is DC 9 V and fed with regulated dc power
supply from DC in 9 V (external power voltage) jack.
Voltages are DC with respect to ground in service mode. F
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark: stop mode
( ) : play mode
@ Waveforms are taken to ground in service mode by using
oscilloscope.
Voltage variations may be noted due to normal produc- : G
tion tolerances.
e@ Total current is measured in service mode.
[VR BOARD)
FOCUS COIL AND
TRACKING CO!
RESISTANCE
APPROX. 8:
KSS-I10A tae
(OPTICAL PICK-UP BLOCK) ane
e Switch
POWER
LASER ON
OPEN/CLOSE
LIMIT
REMAIN
MODE
> BE(PLAY/PAUSE)
PP! (FF)
K€ (FR)
@ (STOP)
H
Note:
e@
Color
code
of
sleeving
over
the
end
of
the
jacket.
509,510
504,505
1C501,1C505 C508
SIGNAL_INPUT
@ oO—-: parts extracted from the side where DC-DC
converter unit is mounted.
See page 9 — 12 for setup of service mode. e@ e—: Parts extracted from chip component side.
Through hole
512,514
513 1C506 ,1C507
ec ae
e
components
identified
by
shading
and
mark
J
x
:
A
are
critical
for
safety
Replace
only
with
conductor
pattern
where
DC-DC
converter
unit
is
Big
SIS
part number specified. mounted:
© =—=_=——b— -: signal path
oe meee = L-CH signal path
@ sme | R-CH signal path
e ': B+ pattern
—42— —43—