![background image](http://html.mh-extra.com/html/sony/hcd-gx255/hcd-gx255_service-manual_420762023.webp)
23
23
HCD-GX255/RG170/RG470
HCD-GX255/RG170/RG470
I-PROTECTOR
95
O-STK-MUTE
24
OVER LOAD
DETECT
Q441
PROTECT
DETECT
Q487
RELAY
SWITCH
Q488
TEMPERATURE
DETECT
Q483, 484
TH441
R-CH
R-CH
VOL OUT1
R-CH
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
: TUNER
D035
M001
(FAN)
J701
PHONES
FRONT SPEAKER
IMPEDANCE
USE 6 – 16
Ω
+
–
–
+
R
L
R-CH
R-CH
RY B+
JK441
RY441
PROTECTOR
Q485
DC DETECT
Q481, 482
FAN ON/OFF
Q044
FAN DETECT
Q045
RELAY DRIVE
Q486
STANDBY
SWITCH
Q489
AMP ON/OFF
Q933
LEVEL SHIFT
Q490, 491
MUTING
Q251
MUTING
CONTROL
Q261
+
R-CH
+
+
+
POWER AMP
M
M
R-CH
+
+
O-SYS-MUTE
23
C
DBFB
G
HP IN
E
IC901 (3/4) (SUFFIX-11)
IC901 (3/4) (SUFFIX-12)
SYSTEM CONTROLLER
(RG470)
(RG470: E2, E51, AR, MX)
(RG170: AEP, EE, RU)
GX255/RG170/
RG470: AEP, EE, RU
GX255/RG170: E2, E3,
E51, EA, AR, AUS/RG470
IC251 (SUFFIX-11)
IC251 (SUFFIX-12)
IC441 (GX255/RG170)
IC441 (RG470: AEP, EE, RU)
IC441 (RG470: E2, E51, AR, MX)
BUFFER
•
Abbreviation
AR : Argentina model
AUS: Australian model
E2 : 120V AC Area in E model
E3 : 120V AC Area in E model
E51 : Chilean and Peruvian models
EA : Saudi Arabia model
EE : East European model
MX : Mexican model
RU : Russian model
6-3. BLOCK DIAGRAM – AMP Section –
(Page 22)
(Page 22)
(Page 22)
Содержание HCD-GX255
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