PZ-50HV2E (serv.man14). Waveforms — Sharp TV Service Manual (repair manual)

Model
PZ-50HV2E (serv.man14)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
675.09 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Waveforms
File
pz-50hv2e-sm14.pdf
Date

View Sharp PZ-50HV2E (serv.man14) Service Manual online

PZ-50HV2, PZ-50HV2E
PZ-50HV2U
78
WAVEFORMS
DIGITAL VIDEO ASSY
1
K1327 (VDI)
K1328 (HDI)
V: 2V/div.  H: 4msec/div.
4
K1326 (DEI)
K1333 (VCLKL)
V: 2V/div.  H: 4
µ
sec/div.
4
K1326 (DEI)
K1333 (VCLKL)
V: 2V/div.  H: 10nsec/div.
5
K1308 (VDRB)
R1713 - pin 7 (XSUS_B)
V: 2V/div.  H: 2msec/div.
6
K1308 (VDRB)
R1703 - pin 8 (YSUS_B)
V: 2V/div.  H: 2msec/div.
7
K1308 (VDRB)
R1343 - pin 8 (RDAT_DL0)
V: 2V/div.  H: 4msec/div.
8
K1308 (VDRB)
IC1501 - pin 15 (LBLK)
V: 2V/div.  H: 2msec/div.
9
K1308 (VDRB)
IC1501 - pin 13 (LE)
V: 2V/div.  H: 2msec/div.
10
IC1501 - pin 13 (LE)
IC1501 - pin 11 (ADRCLK)
V: 2V/div.  H: 200nsec/div.
10
IC1501 - pin 13 (LE)
IC1501 - pin 11 (ADRCLK)
V: 2V/div.  H: 20nsec/div.
1
K1327 (VDI)
K1328 (HDI)
V: 2V/div.  H: 10
µ
sec/div.
2
K1327 (VDI)
CN1004 pin 49 (R DIGITAL VIDEO)
V: 2V/div.  H: 4msec/div.
3
K1328 (HDI)
K1326 (DEI)
V: 2V/div.  H: 4
µ
sec/div.
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
79
ADR RESONANCE ASSY
4
CH1 : Q6706 Drain
CH2 : Q6710 Soruse
V: 10V/div.
(Input : PC, Signal : Color bar)
3
CH1 : Q6706 Drain
CH2 : Q6710 Soruse
V: 10V/div.
(Input : VIDEO, Signal : Color bar)
2
CH1 : D6706 Cathode
CH2 : D6703 Cathode
CH3 : D6708 Cathode
V: 2V/div.
(Input : VIDEO, Signal : Color bar)
1
CH1 : IC6702 - pin 2
CH2 : IC6701 - pin 2
CH3 : IC6703 - pin 2
V: 1V/div.
(Input : VIDEO, Signal : Color bar)
ADR CONNECT A - D
ASSY
2
CH1 : IC6501 - pin 5 (HBLK)
CH2 : IC6501 - pin 3 (LBLK)
CH3 : IC6501 - pin 2 (HZ)
V: 1V/div.
(Input : VIDEO, Signal : Color bar)
1
CH1 : IC6501 - pin 8 (CLK)
CH2 : IC6501 - pin 6 (LE)
CH3 : IC6501 - (DATA)
V: 1V/div.
(Input : VIDEO, Signal : Color bar)
5
CH1 : Q6708 Drain
CH2 : Q6710 Drain
V: 10V/div.
(Input : VIDEO, Signal : Color bar)
SUB ADDRESS A, B
ASSY
2
CH1 : IC8801 - pin 3
CH2 : IC8801 - pin 7
CH3 : IC8802 - pin 1
V: 2V/div.  H: 2msec/div.
(Input : VIDEO, Signal : Color bar)
1
CH1 : IC8801 - pin 3
CH2 : IC8801 - pin 7
CH3 : IC8802 - pin 1
V: 2V/div.  H: 2msec/div.
(Input : VIDEO, Signal : Color bar)
CH1
H : 
2msec/div
CH2
CH3
V MID CLAMP ASSY
2
CH1 : Q9006 Base (CLAMP REF V)
CH2 : D9010 Anode (MID)
CH3 : Q9006 Collector
V: 10V/div.  H: 2msec/div.
(Input : PC, Signal : Color bar)
1
CH1 : Q9006 Base (CLAMP REF V)
CH2 : D9010 Anode (MID)
CH3 : Q9006 Collector
V: 10V/div.  H: 2msec/div.
(Input : VIDEO, Signal : Color bar)
CH1
CH2
CH3
CH1
CH2
CH1
CH2
CH1
CH2
CH1
CH2
CH1
CH2
CH1
CH2
H : 
500nsec/div
H : 
2msec/div
H : 
500nsec/div
H : 
2msec/div
H : 
500nsec/div
H : 
2msec/div
H : 
500nsec/div
H : 
2msec/div
H : 
500nsec/div
H : 
2msec/div
H : 
500nsec/div
H : 
2msec/div
H : 
500nsec/div
GND
GND
GND
GND
GND
GND
CH1
CH2
CH3
CH1
CH2
CH3
GND
CH1
CH2
CH3
GND
GND
GND
CH1
CH2
CH3
GND
GND
GND
CH1
CH1
CH2
CH2
CH3
CH3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
CH1
CH2
CH3
CH1
CH2
CH3
GND
GND
GND
GND
GND
GND
CH1
CH2
CH3
CH1
CH2
CH3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
80
4.4V
1.6V
0V
7.3V
7.3V
0V
7.3V
7.3V
5.8V
5.9V
CH1
CH2
Oscilloscope
Measurement
Point
AUDIO AMP ASSY
SP TERMINAL ASSY
SP TERMINAL
ASSY
Speaker
etc.
AUDIO AMP
ASSY
1
CN5001 - pin 4 (L) 
 GND
V: 0.1V/div.  H: 0.2msec/div.
2
IC5202 - pin 14 (LOUT) 
 GND
V: 0.1V/div.  H: 0.2msec/div.
4
IC5002 - pin 1 (IN1) 
 GND
V: 0.1V/div.  H: 0.2msec/div.
5
J5003 - pin 5 (L+) 
 GND
V: 1V/div.  H: 0.2msec/div.
3
IC5201 - pin 19 (FOCUSOUTL) 
 GND
V: 0.1V/div.  H: 0.2msec/div.
6
J5003 - pin 6 (L–) 
 GND
V: 1V/div.  H: 0.2msec/div.
7
J5003 - pin 5 (L+) 
 pin 6 (L–)
V: 2V/div.  H: 0.2msec/div.
8
CN5301 - pin 1 (L+) 
 GND
V: 1V/div.  H: 0.2msec/div.
7
1
10
9
CN5301 - pin 2 (L–) 
 GND
V: 1V/div.  H: 0.2msec/div.
10
CN5301 - pin 1 (L+) 
 pin 2 (L–)
V: 2V/div.  H: 0.2msec/div.
AUDIO SECTION
Video Input Signal : FULL FIELD COLOR-BAR
Audio Input Signal : 1kHz Sine Carve 0.2Vrms
Volume
: 60 (MAX)
AV Selection 
: STANDARD
SRS
: OFF
FOCUS
: OFF
Measurement condition
GND and the speaker output (- side) becomes
a short state on the oscilloscope.
Wrong connection example
Caution in the measurement
Audio Power Amp. (IC5002: LA4628) on the AUDIO AMP Assy is BTL system, and, 
as for the power amplifier and the speaker output, 
±
 poles becomes hot for the 
ground. Therefore be careful not to connect the measuring instrument as the following 
figures. (Power amplifier may be damaged.)
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
81
Sustain Waveforms
Sustain Waveform (1 field)
Drive Pulse Waveforms
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 100V/div.  H: 2msec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 2msec/div.
Sustain Waveform
ch 1 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 500nsec/div.
ch 2 : K2028 (YSUS_U) - K2024 (DGND)
V: 10V/div.  H: 500nsec/div.
ch 3 : K2027 (YSUS_B) - K2024 (DGND)
V: 10V/div.  H: 500nsec/div.
ch 4 : K2029 (YSUS_D) - K2024 (DGND)
V: 10V/div.  H: 500nsec/div.
ch 5 : K2037 (YSUS_G) - K2024 (DGND)
V: 10V/div.  H: 500nsec/div.
Sustain Waveform (1 field)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 50V/div.  H: 1
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 50V/div.  H: 1
µ
sec/div.
Sustain Waveform (1 sub-field)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 100V/div.  H: 500
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 500
µ
sec/div.
Sustain Waveform (sustain)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 50V/div.  H: 5
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 50V/div.  H: 5
µ
sec/div.
Sustain Waveform (sustain)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 50V/div.  H: 2
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 50V/div.  H: 2
µ
sec/div.
Sustain Waveform (reset pulse)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 100V/div.  H: 5
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 5
µ
sec/div.
Y Drive Pulse Control Waveform
(1 field)
ch 1 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 2msec/div.
ch 2 : K2039 (YCP_MSK) - K2024 (DGND)
V: 10V/div.  H: 2msec/div.
ch 3 : K2040 (YSUS_MSK) - K2024 (DGND)
V: 10V/div.  H: 2msec/div.
ch 4 : K2041 (OFS) - K2024 (DGND)
V: 10V/div.  H: 2msec/div.
ch 5 : K2053 (SOFT_D) - K2024 (DGND)
V: 10V/div.  H: 2msec/div.
Y Drive Pulse Control Waveform
(1 sub-field)
ch 1 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 50
µ
sec/div.
ch 2 : K2039 (YCP_MSK) - K2024 (DGND)
V: 10V/div.  H: 50
µ
sec/div.
ch 3 : K2040 (YSUS_MSK) - K2024 (DGND)
V: 10V/div.  H: 50
µ
sec/div.
ch 4 : K2041 (OFS) - K2024 (DGND)
V: 10V/div.  H: 50
µ
sec/div.
ch 5 : K2053 (SOFT_D) - K2024 (DGND)
V: 10V/div.  H: 50
µ
sec/div.
X Drive Pulse Control Waveform
(1 field)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 100V/div.  H: 2msec/div.
ch 2 : K3017 (XCP_MSK) - K3005 (DGND)
V: 10V/div.  H: 2msec/div.
ch 3 : K3015 (XSUS_MSK) - K3005 (DGND)
V: 5V/div.  H: 2msec/div.
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
81
Sustain Waveforms
Sustain Waveform (1 field)
Drive Pulse Waveforms
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 100V/div.  H: 2msec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 2msec/div.
Sustain Waveform
ch 1 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 500nsec/div.
ch 2 : K2028 (YSUS_U) - K2024 (DGND)
V: 10V/div.  H: 500nsec/div.
ch 3 : K2027 (YSUS_B) - K2024 (DGND)
V: 10V/div.  H: 500nsec/div.
ch 4 : K2029 (YSUS_D) - K2024 (DGND)
V: 10V/div.  H: 500nsec/div.
ch 5 : K2037 (YSUS_G) - K2024 (DGND)
V: 10V/div.  H: 500nsec/div.
Sustain Waveform (1 field)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 50V/div.  H: 1
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 50V/div.  H: 1
µ
sec/div.
Sustain Waveform (1 sub-field)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 100V/div.  H: 500
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 500
µ
sec/div.
Sustain Waveform (sustain)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 50V/div.  H: 5
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 50V/div.  H: 5
µ
sec/div.
Sustain Waveform (sustain)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 50V/div.  H: 2
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 50V/div.  H: 2
µ
sec/div.
Sustain Waveform (reset pulse)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 100V/div.  H: 5
µ
sec/div.
ch 2 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 5
µ
sec/div.
Y Drive Pulse Control Waveform
(1 field)
ch 1 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 2msec/div.
ch 2 : K2039 (YCP_MSK) - K2024 (DGND)
V: 10V/div.  H: 2msec/div.
ch 3 : K2040 (YSUS_MSK) - K2024 (DGND)
V: 10V/div.  H: 2msec/div.
ch 4 : K2041 (OFS) - K2024 (DGND)
V: 10V/div.  H: 2msec/div.
ch 5 : K2053 (SOFT_D) - K2024 (DGND)
V: 10V/div.  H: 2msec/div.
Y Drive Pulse Control Waveform
(1 sub-field)
ch 1 : K2220 (Y.PSUS) - K2219 (SUSGND)
V: 100V/div.  H: 50
µ
sec/div.
ch 2 : K2039 (YCP_MSK) - K2024 (DGND)
V: 10V/div.  H: 50
µ
sec/div.
ch 3 : K2040 (YSUS_MSK) - K2024 (DGND)
V: 10V/div.  H: 50
µ
sec/div.
ch 4 : K2041 (OFS) - K2024 (DGND)
V: 10V/div.  H: 50
µ
sec/div.
ch 5 : K2053 (SOFT_D) - K2024 (DGND)
V: 10V/div.  H: 50
µ
sec/div.
X Drive Pulse Control Waveform
(1 field)
ch 1 : K3107 (X.PSUS) - K3201 (SUSGND)
V: 100V/div.  H: 2msec/div.
ch 2 : K3017 (XCP_MSK) - K3005 (DGND)
V: 10V/div.  H: 2msec/div.
ch 3 : K3015 (XSUS_MSK) - K3005 (DGND)
V: 5V/div.  H: 2msec/div.

Download Sharp PZ-50HV2E (serv.man14) Service Manual (Repair Manual)

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