HCD-GTR33/GTR55/GTR77
43
34
35
36
37
38
GR5
GR4
GR3
GR2
GR1
39
GR6
SERIAL
DATA
INTERFACE
SEGMENT
DRIVER
GRID
DRIVER
1
CLK
2
DIN
3
STB
4
DOUT
CONTROL
OSC
DISPLAY
MEMORY
TIMING
GENERATOR
KEY MATRIX
MEMORY
5
K1
6
K2
7
OSC
8
GND
9
VDD
10
SG1/KS1
11
SG2/KS2
12
SG3/KS3
13
SG4/KS4
DIMMING
CIRCUIT
14 15 16 17 18 19
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
20 21 22 23 24 25
SG1
1/KS1
1
SG12/KS12
SG13/KS13
SG14/KS14
SG15/KS15
SG16/KS16
26
SG17
27
28
29
30
31
32
33
SG24
SG23
SG22
SG21
SG20
SG19
SG18
40
GR7
41
GR8
42
GR9
43
GR10
44
GR1
1
45
GR12
46
GR13
47
GR14
48
GR15
50
VEE
51
VDD
52
GND
49
GR16
IC1101 PT6324-Q (DISPLAY Board)
IC800 STK433-320-E (POWER Board) (GTR33)
IC800 STK416-130-E (POWER Board) (GTR77)
IC800 STK416-120-E (POWER Board) (GTR55)
IC1500 NJM2903V (TE2) (HUB Board)
1
2
4 5
6 7
8
9 10
11 12
13
-PRE
-VH
CH1_OUT
-
CH2_OUT
-
+PRE
SUB
GND
IN-Lch
NF-Lch
STBY
14 15
NF-Rch
IN-Rch
16 17
IN-SW
NF-SW
18 19
OUT
-SW+
OUT
-SW
-
3
+VH
5
6
8 9
10 11
12
13 14
15 16
17
-PRE
-VH
CH1_OUT
-
CH2_OUT
-
+PRE
SUB
GND
IN-Lch
NF-Lch
STBY
4
-OFF_SET
18 19
NF-Rch
IN-Rch
20 21
IN-SW
NF-SW
22 23
OUT
-SW+
OUT
-SW
-
2 3
-VL
+OFF_SET
1
+VL
7
+VH
1
8
7
6
5
2
3
4
+
+
A OUTPUT
A- INPUT
A+ INPUT
GND
B+ INPUT
B- INPUT
B OUTPUT
V+
A
B