DOWNLOAD Sharp PZ-50HV2E (serv.man11) Service Manual ↓ Size: 94.6 KB | Pages: 19 in PDF or view online for FREE

Model
PZ-50HV2E (serv.man11)
Pages
19
Size
94.6 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Description of major IC functions
File
pz-50hv2e-sm11.pdf
Date

Sharp PZ-50HV2E (serv.man11) Service Manual ▷ View online

58
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
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59
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
 Pin Assignment (Top View)
PST9246N (DIGITAL VIDEO ASSY : IC1208)
     • Reset IC
 Block Diagram
 Pin Function
5
4
V
CC
V
OUT
3
2
1
GND
SUB
TC
SOT-25
(TOP VIEW)
Pin No.
Pin name
Functions
1
TC
SUB
T
PLH
 control pin
Substate pin
2
3
GND
GND pin
4
V
OUT
Reset signal output pin
5
V
CC
V
CC
 pin / voltage detect pin
60
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
 Pin Assignment (Top View)
FS781BZB (DIGITAL VIDEO ASSY : IC1802)
     • Low EMI Clock IC
 Pin Function
 Block Diagram
1
2
3
4
8
7
6
5
Xin
Xout
S1
LF
VDD
S0
FSOUT
VSS
FS78x
8 Pin SOIC Package
Phase
Detector
VCO
1(3)
2(4)
Xin
Xout
10 pF.
Reference
Divider
8 pF
8 pF
250 K
VCO / N
Modulation
Control
Input Control Logic
Output
Divider
and
Mux
Power Contol
Logic
3(5)
7(1)
8(2)
5(7)
4(6)
VDD
S0
S1
FSOUT
Loop Filter
VSS
6(8)
VSS
VDD
(TSSOP Pin #)
No.
Pin Name
I/O
Type
Function
1/2
Xin/Xout
I/O
Analog
Pins form an on-chip reference oscillator when connected to terminals of an external parallel 
resonant crystal.  Xin may be connected to TTL/CMOS external clock source.  If Xin connected to 
external clock other than crystal, leave Xout (pin2) unconnected.
7/3
S0/S1
I
CMOS/TTL
Digital control inputs to select input frequency range and output frequency scaling.  Refer to 
Tables 7 and 8 for selection.  S0 has internal pulldown.  S1 has internal pullup.
4
LF
I
Analog
Loop Filter.  Single ended tri-state output of the phase detector.  A two-pole passive loop filter is 
connected to Loop Filter (LF).
6
FSOUT
O
CMOS/TTL
Modulated Clock Frequency Output.  The center frequency is the same as the input reference 
frequency for FS781.  Input frequency is multipled by 2X and 4X for FS782 and FS784 
respectively.
8
VDD
P
Power
Positive Power Supply
5
VSS
P
Power
Power Supply Ground
61
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
 Block Diagram
 STK795-460 (X DRIVE ASSY : IC3200, IC3201)
(Y DRIVE ASSY : IC2206, IC2214)
     • PDP Pulse Module IC
1
V SUS
2
V SUS
3
V SUS
4
V SUS
5
N.C.
8
N.C.
11
N.C.
VDD
IC1
C2
C1
C3
TR7
TR2
D2
D1
R14
R1
R2
HIN
SD
LIN
VSS
LO
COM
VCC
VS
VB
HO
13
N.C.
17
N.C.
14
IN2
15
SD1
16
IN1
18
IN4
19
SD2
20
IN3
21 PL2
30 PL1
PL1
25 PC2
24 PC2
26 PC1
PC1
22 PL2
23 N.C.
31 N.C.
36 N.C.
34 POWER GND
35 POWER GND
33 POWER GND
32 POWER GND
28 N.C.
12
SUB GND
9
SIG GND
6
VCC
7
VDD
10
SIG GND
TR1
TR8
R4
R9
R10
R3
TR3
TR4
VDD
IC2
C5
C4
C6
TR9
TR5
TR6
D4
D3
R15
R5
D7
D5
D6
D8
D9
D10
HIN
SD
LIN
VSS
LO
COM
VCC
VS
VB
HO
TR10
R12
R11
R6
ZD1
R13
C7
C8
27
29
38 OUT L
39 OUT H
40 OUT H
OUT L
37
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