Sony HCD-RG190 - Circuit Boards Location

HCD-RG190/RG290
2525
HCD-RG190/RG290
• Note For Printed Wiring Boards and Schematic Diagrams
• Indication of transistor
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
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.
• f : internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD/BD Boards –
no mark :CD PLAY
– CD-G Board –
no mark : CD-G PLAY
– Other Boards –
no mark : TUNER (FM/AM)
(): CD PLAY
〈〈 〉〉 : TAPE PLAY
{ }: TAPE REC
∗ : Impossible to measure
• 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 : TUNER (FM/AM)
J : CD PLAY
E : TAPE PLAY (DECK-A)
d : TAPE PLAY (DECK-B)
G : REC
N : MIC
f : AUDIO IN
L : VIDEO
• Abbreviation
AR : Argentina model
AUS: Australian model
E2 : 120 V AC area in E model
E3 : 240 V AC area in E model
E51 : Chilean and Peruvian models
EA : Saudi Arabia model
MX : Mexican model
RU : Russian model
SP : Singapore model
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• f : internal component.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated.
• Circuit Boards Location
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
CE
Q
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
BD board (MX model)/
CD board (EXCEPT MX model)
CD-G board
(MX model)
SW board
MOTOR (LD) board
SENSOR board
DRIVER board
MOTOR (TB) board
TUNER (FM/AM
)
KEY LEFT board
PANEL board
KEY RIGHT board
MIC. AUX. HP board
MAIN board
POWER board
DECK board
VIDEO-OUT board
(MX model)
TRANSFORMER board
• Abbreviation
MX : Mexican model
Ver. 1.1