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STR-DH590
59
– DISPLAY Board –
IC2001 PT6315-LQ (B)
5
OSC
OSC
6
DOUT
7
DIN
8
CLK
9
STB
10
K1
11
K2
SERIAL DATA
INTERFACE
DISPLAY MEMORY
(24 BITS x 12 WORDS)
SEGMENT DRIVER/
GRID DRIVER/
KEY SCAN OUTPUT
TIMING GENERATOR
CONTROL
DIMMING
CIRCUIT
KEY MATRIX
MEMORY
LED DRIVER
1
LED1
2
LED2
3
LED3
4
LED4
24
4
27 SG14/KS14
29 SG16/KS16
30 VEE
28 SG15/KS15
31 SG17/GR12
33 SG19/GR10
32 SG18/GR11
23 SG10/KS10
24 SG11/KS11
25 SG12/KS12
26 SG13/KS13
22
SG9/KS9
21
SG8/KS8
20
SG7/KS7
19
SG6/KS6
18
SG5/KS5
17
SG4/KS4
16
SG3/KS3
15
SG2/KS2
14
SG1/KS1
34
SG20/GR9
35
SG21/GR8
36
SG22/GR7
37
SG23/GR6
39
GR4
40
GR3
41
GR2
42
GR1
43
VDD
44
VSS
13
VDD
12
VSS
38
SG24/GR5
GRID
DRIVER
– DCDC Board –
IC1801, 1841 TPS542941PWPR
VIN2
16
VBST2
15
SW2
14
PGND2
13
EN2
12
PG2
11
VFB2
10
VREG5
9
VIN1 1
VBST1
SW1
2
3
PGND1 4
EN1 5
PG1
VFB1
6
7
GND 8
VREG5
VREG5
PROTECTION
LOGIC
+
CH1 MIN-OFF
TIMER
+
+
REF2
PGND2
SW2
+
REF_OCL
SW2
SS2
ERR COMP
+
32%
UV
UV2
ZC2
ZC1
OCP2
OCP1
CH2 MIN-OFF
TIMER
+
+
+
REF1
PGND1
PGND
PGND
VIN1
CONTROL
LOGIC
CONTROL
LOGIC
SW1
+
REF_OCL
XCON
XCON
SW1
SS1
UV1
UV2
UVLO
TSD
ERR COMP
+
+
+
+16%
16%
32%
UV
UV1
PG COMP
+
+
+16%
16%
PG COMP
SS1
SS2
PGND
EN LOGIC
5V REG
EN LOGIC
FIXED
SOFT START
REF1
REF2
REF
UVLO
VREG5
PGND
Содержание STR-DH590
Страница 36: ...MEMO STR DH590 36 ...