Schematic Diagram - Power Amp Board - Sony HCD-GTZ4 Service Manual

5-16. SCHEMATIC DIAGRAM - POWER AMP Board -

1 2 3
POWER AMP BOARD
A
(GTZ4i: US/GTZ5)
B
1 2 3 4 5 6 7
C
D806
D810
1N5402-C532-2
1N5402-C532-2
D804
MAZ8160GMLS0
D D805
MAZ8160GMLS0
R842
2.2k
1W R843
2.2k
1W
E
F
R862
100
(GTZ4/GTZ4i: AEP, AUS)
JL851 JW802
G
H
Q800
2SC5625
OVER LOAD
DETECT 18
0
0
I
JL879
R836 R859
22k 33k
J
K
C827 C826
22 22
100V 100V
L
ET802
M (CHASSIS)
HCD-GTZ4/GTZ4i/GTZ5
4 5 6 7
(GTZ4/GTZ4i: AEP, AUS)
IC800
POWER AMP
IC800
STK416-120-E
+PRE SUB GND
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
R833
0.22
5W
R838
R882
100k
100k
R832
0.22
R884
5W Q801
47k
2SC5625
18 OVER LOAD
DETECT
0
R883
0
1k
JL880
R837
22k
R830
47k TH800
R885
R831
R834 0.22 47k (GTZ4/GTZ4i)
56k (GTZ5)
1k 5W
R851
10k
18.5
18.5
D802
MC2836
0
R856
JL890
47k
JL887
C844
C835
1000p
0.001
Q811
2SC3052EF-T1-LEF
C834
R863
0.001
1k
C832 R857
0.001 22k
R861
1
R827, 828
910 (GTZ5)
1k (GTZ4i: US)
1.2k (GTZ4/GTZ4i: AEP, AUS)
R823 1.5k
R848 3.3k
R821
1.5k
R829
R822
1k
C813 C820 R826 C811
1000p 47 47k 10
50V 50V
R829
390 (GTZ4/GTZ4i)
470 (GTZ5)
8 9 10
IC800
POWER AMP
IC800
STK433-320-E
+PRE SUB GND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
R866 R881
36k 47k
R835
2.2k
JL882
R889 R890 R868
33k 22k 33k
0
R885
C845
Q802 0.1
2SC5625
0
OVER LOAD
C846
18 DETECT
0.1
R839
100k
R900 R901
10 10
D807 R855 R902 R903
JL881
MA2J1110GLS0 100k 10 10
Q806-809, 811
PROTECT DETECT
18.2
R887
2.2k (GTZ4i: US/GTZ5)
0
R854
C830
47k
2.2 R904
50V 0 R852 R849
470 33k
0
R904
JL889
0.6
TH801
0
(GTZ4/GTZ4i: AEP, AUS)
R850
4.7k
Q806
2SC3052EF-T1-LEF
18.5 18.5
3.5 0
0 0
C829
JL886
100
10V
Q803
OVER LOAD DETECT
C810
10
50V
C809
10
50V
29 29
11 12 13 14
19
(GTZ4i: US/GTZ5)
D801
D10XB20
~
C805 R806 C806 R807
~
2200 100k 2200 100k
50V 50V
D800
~
D10XB20
C803 R891 R892 C804
~
100k
100k
C803, 804
2200 71V (GTZ4/GTZ4i)
2200 80V (GTZ5)
R874 R871
10 10
R879 R875
10 10
RY800
C839
-2
0.1
C838
-1
0.1
JW803
D803 JW805
C837
MA2J1110GLS0
0.1
C840
0.1
R877 R878
10 10
R869 R872
10 10
R814 R817 R630 R631
150 150 4.7k 4.7k
R804 R818
150 150
Q804
2SC3052EF-T1-LEF
1.4 RELAY DRIVE
JL884
2.2
R888
1k
1.4
D632
MC2838-T112-1
C833
0.001
HCD-GTZ4/GTZ4i/GTZ5
Ver. 1.1
15 16 17
NO804
7P
JL867
1 AC-VH
2 NC
JL868
U
3 AC-VL
JL869
4 GND
JL870
TRANS
5 GND
JL871 BOARD
CN908
6 AC-VL
JL872 (Page 35)
7 AC-VH
EP800
(CHASSIS)
- R JK800
+
FRONT
SPEAKER
-
+ L
CN801
15P
JL852
15
SW-OUT
JL853
14
SW-GND
JL854
13
SPK RELAY
JL855
12
POWER GND
JL856
11 HP-L
JL857
10 HS-FAN DET
JL858
P
9 HP-R
JL859
8 UNREG+16V
JL860
MAIN
7 PROTECT
JL861 BOARD
6 STK MUTE
(3/3)
JL862
CN479
5 L-IN
(Page 25)
JL863
4 PREGND
JL864
3 R-IN
JL865
2 SW-AC-CUT
JL866
1 SW-IN