Sharp 32JF-74E, Руководство по обслуживанию

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60
32JF-74E
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)
6 SUBST S Substrate pin, has to be connected to ground whenever a
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)
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
35 PROTON Q/TTL Protection on (goes High after response of H- or V-protection)