
49
49
HCD-GNZ333D/GNZ444D
HCD-GNZ333D/GNZ444D
7-18. SCHEMATIC DIAGRAM – AMP Section –
•
See page 60 for IC Block Diagram.
-40
-42
42
0
0
0
0
40.3
0
0
0.7
0
0
0
-0.4
0
-0.4
0
0
4.9
4.9
0
5
0
50V
1
C753
50V
1
C754
10k
R781
10k
R782
2.2k
R783
2.2k
R784
2SA2026
Q753
PROTECT
2SA2026
Q754
PROTECT
4700p
C772
4700p
C773
MC2838-T112-1
D751
10k
R771
2SA1235TP-1EF
Q751
3p
C760
0
R759
0
R760
47k
R788
47k
R787
25V
47
C762
25V
47
C761
1k
R751
1k
R752
1SS133T-77
D752
2SC3052F-T1-LF
Q752
1
8
7
6
5
4
3
2
15
14
13
12
11
10
9
C757
100p
C758
100p
47k
R756
47k
R755
220
R776
220
R775
10k
R785
10k
R786
3W
0.22
R773
3W
0.22
R774
TH751
3p
C759
0.1
C774
4700p
C791
D753
UDZW
-TE17-5.1B
4.7k
R770
10k
R769
100k
R768
R766
10k
R772
10k
16V
100
C764
1k
R761
1
2
3
4
4P
W751
AMP-ON
IN-L
A-GND
IN-R
1.5k
R757
1.5k
R758
2200p
C755
2200p
C756
100V
10
C765
100V
10
C768
47
R764
47
R792
47
R791
47
R794
47
R765
47
R762
47
R793
47
R763
1
2
3
4
5
6
7
8
9
10
10P
CN751
OUT-L
OUT-L
-VP
-VP
+VP
+VP
OUT-R
OUT-R
PA-GND
50V
4.7
C777
100V
C775
10
100V
C776
10
0.47
C763
220
R795
390
R767
0.1
C771
6.8k
R778
6.8k
R777
470k
R796
AMP BOARD
POWER AMP
IC751
Q751,752
PROTECT LATCH
3
C
B
1
6
5
A
4
2
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