Schematic Diagram - Power Amp Board - Sony HCD-GTZ2 Service Manual

5-16. SCHEMATIC DIAGRAM - POWER AMP Board -

1 2 3
POWER AMP BOARD
A
(GTZ3/GTZ3i)
IC800
POWER AMP
IC800
STK433-300-E
B
+PRE SUB GND
1 2 3 4 5 6 7 8 9
C
D
E
R862
100
F
JL851
JW802
R832
0.22
5W
G
R883
1k
Q800
2SC5625
R837
OVER LOAD
22k
DETECT 18
0
H
0
R831
R834 0.22
1k 5W
JL879
I
R836 R859 D802
22k 33k MC2836
C844
C835
1000p
0.001
J
C834
0.001
C827 C826 C832
0.001
C826, 827
R861
22 100V (GTZ3/GTZ3i)
47 100V (GTZ2/GTZ2i) R827, 828
910 (GTZ3/GTZ3i)
K 1.2k (GTZ2/GTZ2i)
ET802
L
(CHASSIS)
HCD-GTZ2/GTZ2i/GTZ3/GTZ3i
4 5 6
(GTZ2/GTZ2i)
10 11 12 13 14 15 16 17 18 19 1 2 3
R833
0.22
5W
(GTZ2/GTZ2i)
JL850
JW800
(GTZ3/GTZ3i)
R838
R882
100k
100k
(GTZ3/GTZ3i)
R884
Q801
47k
2SC5625
18 OVER LOAD
DETECT
0
R885
56k
0
JL880
R830
47k
JL881
Q806-809, 811
PROTECT DETECT
R887
2.2k
R851 C830
10k 2.2
50V R852
R904
470
18.5
JL889
18.5
TH801
0
0
R850
R856
JL890 4.7k
47k
JL887
2SC3052EF-T1-LEF
Q811
2SC3052EF-T1-LEF
3.5
R863
1k
0
R857
22k
1
R823 1.5k C810
10
R848 3.3k 50V
R821
1.5k
C809
R829 10
470 R822 50V
1k
C813 C820 R826 C811
1000p 47 47k 10
50V 50V
(GTZ3/GTZ3i)
7 8 9 10
IC800
POWER AMP
IC800
STK433-100-E
+PRE SUB GND
4 5 6 7 8 9 10 11 12 13 14 15
D800
D10XB20
C803 R891
2200 100k
63V
R866 R881
39k 47k
R835
2.2k
JL882
MA2J1110GLS0
R889 R890 R868
33k 22k 33k
0
C845
Q802 0.1
2SC5625
0
OVER LOAD
C846
18 DETECT
0.1
R839
100k
R900 R901
10 10
D807 R855 R902 R903
MA2J1110GLS0 100k 10 10
18.2
0
R854
47k
R849
33k
0
0.6
2SC3052EF-T1-LEF
1.4 RELAY DRIVE
1.4
Q806
18.5 18.5
0
0
C829
JL886
100
10V
Q803
OVER LOAD DETECT
29 29
11 12 13
~
R892 C804
~
100k 2200
63V
R874 R871
10 10
R879 R875
10 10
RY800
C839
-2
0.1
-1 C838
0.1
JW803
D803 JW805
C837
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
JL884
2.2
R888
1k
D632
MC2838-T112-1
C833
0.001
JW808
JL873
(GTZ2/GTZ2i)
HCD-GTZ2/GTZ2i/GTZ3/GTZ3i
Ver. 1.1
14 15 16
(GTZ2: E51)
(Page 35)
S
NO804 TRANS1S
7P
BOARD
JL867 CN908
1 AC-VH
(GTZ2: MX/GTZ2i)
2 NC
JL868
T (Page 37)
3 AC-VL
JL869
4 GND
JL870
TRANSX
5 GND
BOARD
JL871
6 AC-VL CN908
JL872
7 AC-VH
(GTZ3/GTZ3i)
U
(Page 39)
TRANS
BOARD
CN908
EP800
(CHASSIS)
R
- JK800
+
FRONT
SPEAKER
-
L
+
CN801
13P (GTZ2/GTZ2i)
15P (GTZ3/GTZ3i)
(GTZ3/GTZ3i)
JL852
15 SW-OUT
JL853
14 SW-GND
(GTZ3/GTZ3i)
JL854
13 SPK RELAY
(Page 25)
JL855 P
12
POWER GND
JL856
11
HP-L
JL857 MAIN
10 HS-FAN DET BOARD
JL858
(3/3)
9 HP-R
CN479
JL859
8 UNREG+16V
JL860 (GTZ2/GTZ2i)
7 PROTECT
JL861 R
(Page 25)
6
STK MUTE
JL862
5 L-IN
JL863 MAIN
4 PREGND
BOARD
JL864
(3/3)
3 R-IN
CN478
JL865
2 SW-AC-CUT
JL866
1
SW-IN