Sony HCD-GRX9000 / HCD-RX900 / MHC-GRX9000 / MHC-RX900 Service Manual ▷ View online
HCD-GRX9000/RX900
7-9.
SCHEMATIC DIAGRAM – TUNER Section (East European, CIS models only) –
•
See page 75 for Waveforms.
•
See pages 76 and 77 for IC Block Diagrams.
– 35 –
– 36 –
Note on Schematic Diagram:
• Voltages and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW
<
> : LW
∗
: Impossible to measure
(Page 57)
HCD-GRX9000/RX900
(Page 51)
MAIN BOARD
CN105
( )
– 37 –
– 38 –
7-10.
PRINTED WIRING BOARD – CD Section –
•
See page 20 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC101
C-5
IC102
B-5
IC103
C-6
Q101
C-3
HCD-GRX9000/RX900
– 39 –
– 40 –
7-11.
SCHEMATIC DIAGRAM – CD Section –
•
See page 75 for Waveforms.
•
See pages 78 and 79 for IC Block Diagrams.
Note on Schematic Diagram:
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : STOP
(
no mark : STOP
(
) : PLAY
∗
: Impossible to measure
(Page 53)
MAIN BOARD
CN105
( )
( )
( )
HCD-GRX9000/RX900
– 41 –
– 42 –
7-12.
PRINTED WIRING BOARDS – CD MOTOR Section –
•
See page 20 for Circuit Boards Location.
(Page 51)
(Page 51)
MAIN BOARD
CN104
MAIN BOARD
CN103
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