Sony HCD-GX470, HCD-GX570 Service Manual
HCD-GX470/GX570
SERVICE MANUAL
Ver. 1.1 2006.04
SUPPLEMENT-1
File this supplement with the service manual.
Subject: Change of DECK board (Suffix-12)
In this set, DECK board has been changed in the midway of production.
Printed wiring board and schematic diagram of new type, and changed
parts list are described in this supplement-1.
Refer to original service manual and supplement-2 for other information.
US Model
Canadian Model
1. NEW/FORMER DESCRIPTION
– DECK Board (Component Side) –
Former : 1-868-914-11
New : 1-868-914-12
9-887-123-81
HCD-GX470/GX570
2. DIAGRAMS
• Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor
C
Q
B
E
These are omitted.
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/
specified.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
〈〈 〉〉 : TAPE PLAY
{ }: REC
• Voltages are tak en with a V OM (Input impedance 10 MΩ).
Voltage variations may be noted due to nor mal production tolerances.
• Signal path.
E : T APE PLAY (DECK-A)
d : T APE PLAY (DECK-B)
G : REC
4
W or less unless otherwise
2
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