Block Diagram -Amp Section - Sony HCD-RV222D Service Manual

HCD-RV222D/RV222DL/RV333D/RV333DL/RV555D
Ver. 1.3
5-5. BLOCK DIAGRAM – AMP Section –
HP-LR
POWER AMP
IC501 RV222D/RV222DL
AUDIO
F
SECTION
IC502 RV555D
(Page 30)
OUT-L 11 5
4
R-CH 15
7
6
13
DET-B
POWER
G
SECTION DET-E
(Page 33)
POWER AMP
IC501 (1/2)
11
15
13
HCD-RV222D/RV222DL/RV333D/RV333DL/RV555D
+
OVER LOAD
DETECT
Q506,507
PROTECT
Q504,505
TH501
PROTECT
DRIVE
Q501,502
5
4
+
7
6
OVER LOAD
DETECT
Q506,507
PROTECT
Q504,505
TH501
PROTECT
DRIVE
Q501,502
PROTECT
POWER
H
SECTION
POWER
(Page 33)
DELAY DRIVER
Q997
RY501
RELAY DRIVER
Q503
RY501
+
LPF BASS
BASS AMP CONTROL
Q465,467–469 Q414–417
RELAY DRIVER
Q503
32 77 3 4
SYSTEM CONTROL
IC601 (5/6)
32 32
JK501
+
–
+
+
–
JK502
+
–
+
–
JK501
+
+ –
+
–
POWER AMP
IC501 (2/2)
JK465
RY465
+
16 19
18
–
OVER LOAD
DETECT
Q470
RELAY DRIVER
Q471,472
FAN DRIVER
Q966,967
33
FAN DRIVER
O-FAN 24
Q961,962
D962
FAN MOTOR CURRENT
DETECT, PROTECT
Q971–973
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: FM
RV222D/RV222DL/RV555D
J252
PHONES
JK501
L
SPEAKER
IMPEDANCE:
USE 8
R
JK502
L
SATELLITE
SPEAKER
IMPEDANCE:
USE 24
R
RV333D/RV333DL
J252
PHONES
JK501
L
FRONT
SPEAKER
IMPEDANCE:
USE 8
R
JK465
SUBWOOFER
IMPEDANCE:
USE 6
+ –
M M
FAN901