
HCD-RG295/RG495/RG595
25
25
HCD-RG295/RG495/RG595
7-3. BLOCK DIAGRAM – AMP/VIDEO Section –
POWER AMP
MUTING
Q251
OVER LOAD
DETECT
Q441
OVER LOAD
DETECT
Q501
R-CH
MUTING
Q272
BUFFER
Q271
BUFFER
Q276
LINE AMP
Q277
STANDBY SWITCH
Q489 (RG295/RG495)
Q489 – 491 (RG595)
DC DETECT
Q481, 482
+
+
TEMPERATURE
DETECT
Q483, 484
TEMPERATURE
DETECT
Q503, 507
R-CH
R-CH
R-CH
TH441
+
+
+
MUTING
CONTROL SWITCH
Q261
21
5
64
22
+
R-CH
PROTECTOR
Q485
RELAY DRIVE
Q486, 488
+
PROTECT
DETECT
Q487
FAN MOTOR
DRIVE
Q043 – 045
FAN MOTOR
DETECT
Q046
RY441
HP IN
PROTECT
–1
–2
R
L
+
–
–
+
RELAY B+
RY501
D035
M
M001
(FAN)
SPEAKER
PHONES
JK441
+
–
SUB WOOFER OUT
JK501
RELAY DRIVE
Q502
SUB WOOFER
SWITCH
Q274
R-CH
J701
: TUNER (FM/AM)
SIGNAL PATH
R-ch is omitted due to same as L-ch.
DC DETECT
Q505, 506
(RG495/RG595)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299