Read Sharp 28KF-84H (serv.man14) Service Manual online
60
28KF-84H
SDA9380 (IC6006)
Pin Description
Pin No.
Name
Type
Description
1
CLKI
I/TTL
Input for external line locked clock *)
2
X2
Q
Reference oscillator output, Crystal
3
X1
I
Reference oscillator input, Crystal
4
CLEXT
I/TTL
Switching between internal (L) and external clock (H) *)
5
TEST
I/TTL
Switching between normal operation (TEST=L) and test mode
(TEST=H: pins 4, 12, 13, 14, 15, 17, 49, 50, 63, 64 are additio-
nal test pins)
(TEST=H: pins 4, 12, 13, 14, 15, 17, 49, 50, 63, 64 are additio-
nal test pins)
6
SUBST
S
Substrate pin, has to be connected to ground whenever a
power supply or signal is applied
power supply or signal is applied
7
RESN
I/TTL
Reset input, active Low
8
SCL
I
I²C Bus clock
9
SDA
IQ
I²C Bus data
10
VDD(D)
S
Digital supply
11
VSS(D)
S
Digital ground
12
HD
Q
Control signal output for H driver stage (open drain)
13
H35K
Q/TTL
Goes High when frequency of HSYNC is about 35kHz or more
14
H38K
Q/TTL
Goes High when frequency of HSYNC is about 38kHz
15
PWM
Q/TTL
Pulse width modulated control signal output
16
VSYNC
I/TTL
V-sync input
17
FH1_2
I/TTL
Switching between 1f
H
mode (L) and 2f
H
mode (H)
18
HSYNC
I
HSYNC input (CLEXT=H: TTL; CLEXT=L: analog) *)
19
VDD(A1)
S
Analog supply
20
VSS(A1)
S
Analog ground
21
Φ
2
I
Line flyback for H-delay compensation
22
VDD(A2)
S
Analog supply
23
VSS(A2)
S
Analog ground
24
E/W
Q
Control signal output for East-West raster correction
25
D/A
Q
Output of an I²C Bus controlled DC voltage
26
VD+
Q
Control signal output for DC coupled V-output stage
27
VD-
Q
Like VD+
28
VDD(A3)
S
Analog supply
29
VSS(A3)
S
Analog ground
30
VPROT
I
Watching external V-output stage (input is the V-saw-tooth from
feedback resistor)
feedback resistor)
31
HPROT
I
Watching EHT (input is e.g. H-flyback)
32
HSAFE
I
Watching B+ when frequency of HD has to be decreased
33
BSOIN
I
Input for starting Black Switch-Off
34
IBEAM
I
Input for a beam current dependent signal for stabilization of
width, height and H-phase
width, height and H-phase
35
PROTON
Q/TTL
Protection on (goes High after response of H- or V-protection)
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