Block Diagram - Amp Section - Sony HCD-GTZ4 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-3.

BLOCK DIAGRAM - AMP Section -

BASS AGC
F
(Page 14)
OUT
LINE AMP
D
IC252
(Page 14)
MUTING
Q402
T E
L 1 3 9 4 2 2 9 6 5 1 3
SW OUT
LINE AMP BUFFER
E
IC253 Q431
(Page 14)
MUTING
MUTING
CONTROL
Q670
58
w w w
HCD-GTZ4/GTZ4i/GTZ5
+
R-CH
OVER LOAD OVER LOAD
+
DETECT DETECT
Q801 Q803
POWER
AMP
IC800 D807
+
R-CH
OVER LOAD
DETECT
Q802
Q430
51
SYSTEM CONTROLLER
IC401 (3/4)
x a o
y
. i
http://www.xiaoyu163.com
R-CH
–1
–2
R-CH
RY800
R-CH
D632
PROTECT DETECT
Q806 – 809, 811
Q Q
3 7 6
RELAY
DRIVE
Q804
53 44 50
u 1 6 3
.
15 15
2 4
8 9 9
J702
R-CH
PHONES
JK800
+
L
–
FRONT
– SPEAKER
R
+
FAN MOTOR
DRIVE
M101
M
Q693 – 695,
(FAN)
Q697
PROTECT
G
(Page 16)
LEVEL SHIFT
Q447
DC DETECT
H
(Page 16)
FAN MOTOR
3 1 5 1 5 0 8 9 2
M102
M
DRIVE
(FAN)
Q110 - 113
(GTZ4/GTZ4i: AEP, Australian/GTZ5)
JK500
+
SUBWOOFER
–
RY500
RELAY
DRIVE AC CUT
Q500 DETECT
Q501
52
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
m
c o
HCD-GTZ4/GTZ4i/GTZ5
Ver. 1.1
2
8 9 9
4 9 8 2 9 9