Panasonic PT-MZ16K / PT-MZ13K / PT-MZ10K (serv.man2) Service Manual ▷ View online
INF-47
SECTION 1 SERVICE INFORMATION
<MZ16K/MZ13K/MZ10K>
■ HDMI input operation check
A Check voltage at L3085 is 1.2V, and voltage at L3083 is
3.3V.
NG
A Check IC3082, IC3081 and peripheral circuit.
A Check cuicuits around IC3010 to JK3, X3003(27MHz),
IC3010 to IC3020.
OK
OK
■ DIGITAL LINK input operation check
Check setting DIGITAL LINK mode is set to [AUTO] or
[DIGITAL LINK].
NG
Setup DIGITAL LINK mode to [AUTO] or [DIGITAL
LINK].
Check that DIGITAL LINK version is displayed on
[STATUS]meu or SELF CHECK menu in the service
mode.
A Check voltage 3.3V at L2069, 1.8V at L2071, 1.0V at
L2073.
NG
A Check IC2086, IC2087, IC2088 and peripheral cir-
cuit.
Check the DIGITAL LINK STATUS menu. Signal quality
is in green (-12dB or less) or in yellow (-11~-8dB).
NG
A Check arround circuit JK2 and IC2001, X2002,
IC2083, IC2084 and peripheral curcuit.
A Check X2002(125MHz), IC2083, IC2084, IC2001 and
peripheral circuit.
A Check arround circuit IC2001 and IC3010, IC2001,
IC3010 and peripheral circuit.
OK
OK
NG
OK
OK
OK
A Check a picture with DVI-D input.
NG
DVI-D input operation check.
A Check a picture with HDMI input.
NG
HDMI input operation check
INF-48
SECTION 1 SERVICE INFORMATION
<MZ16K/MZ13K/MZ10K>
■ A-PCB operation check
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
A Check clock frequency at R3622 is 35.455MHz.
A Check IC3501(CPU & RESISE), X3501 peripheral
circuit.
A Check voltage at R3981 is 0.75V.
A Check IC3991 and peripehral circuit.
A Check voltage at L3599 is 1.2V.
A Check IC3438 and peripheral circuit.
A Check voltage at L3526 is 1.5V.
A Check IC3437 and peripheral circuit.
A Check voltage at C4382 is 1.2V.
A Check IC4306 and peripheral circuit.
A Check voltage at R3627 is 5V.
A Check IC3440 and peripheral circuit.
A Checl volatge at pin 6 of connector A73 is 2.5V.
A Check IC4311 and peripheral circuit.
A Check volatge at C4373 is 3.3V.
A Check IC4307 and peripheral circuit.
A Check voltage at C4396 is 2.5V.
A Check IC4310 and peripheral circuit.
A Check volatge at pins 1,2,5,6 of Q3401 is 3.3V.
A Check Q3401 and peripheral circuit.
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
■ SDI input operation check
A Check voltage at pin 7 of IC3072 is less than 0.4V.
NG
A Check IC3072, IC3072 and JK5 peripheral circuit.
A Check around circuit IC2801 and IC3072, IC2801 and
periphearl circuit.
OK
OK
A Check power supply line.
3.3V at L3094, 1.2V at pin 5 of IC2702.
NG
Check IC3081, IC2702 and peripheralcircuit.
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INF-49
SECTION 1 SERVICE INFORMATION
<MZ16K/MZ13K/MZ10K>
■ Main CPU operation check
OK
OK
OK
OK
A Check voltage at pin 1 of IC3701(RESET) is 3.3V.
A Check IC3701(RESET) and peripheral circuit.
A Check IC3716(FLASH ROM), IC3721(SRAM) and periph-
eral circuit.
A Check IC3501(CPU & RESIZE) peripheral circuit.
A Check volateg at R4959 is 1.2V.
A Check IC4905 and peripheral circuit.
A Check waveform around IC3501 with no signal input.
R4485(differential CLK): 76.8MHz
A Check IC3501(CPU & RESIZE) and peripheral cir-
cuit.
A Check IC4301(FPGA2), IC4901(IWARP1) and peripheral
circuit.
A Check voltaeg atC4327 is 1.8V.
A Check IC4904 and peripeharl circuit.
NG
NG
NG
NG
NG
■ DG-PCB operation check
DG
Check connection of cables (2)
DG4, DG6~DG14, DG16
* Pin bending on connectors
* Disconnecting of connectors.
NG
DG Make connection firmly
* Replace calbes if there is pin bending.
DG
Check Power supply lines (1)
16.5V at C5034 of connector DG4.
3.4V at 8 pin of connector DG6.
NG
DG
P
Check each power supplu line.
Replace P-PCB.
DG Replace DG-PCB.
OK
OK
OK
DG
Check connection of cables (1)
Check DG1~DG3(Panel), DG5(Board to Board connec-
tor)
* Wrong mounting, Inproper mounting.
NG
Make connection firmly.
INF-50
SECTION 1 SERVICE INFORMATION
<MZ16K/MZ13K/MZ10K>
■ Remote control does not work
● Does not control only in front of PJ.
● Does not control only by wired remote control.
● Does not control only behind of PJ.
OK
OK
OK
OK
OK
OK
OK
OK
OK
DG While pressing the button, check wave form at pin 6 of
connector DG6.
NG
DG
Check the cable connectors DG6 ~R1.
Disconnection of wires.
Replace R-PCB.
J While pressing the button, check waveform at pin 3 of
JK1005(REMOTE 2 IN).
NG
Check the wired remote control cable.
A While pressing the button, check waveform at pin 24 of
connector A5.
NG
J
Check the cable connector A5~J1. Disconnecting
of wires.
Replace J-PCB.
J Check waveform at pin 28 of connector J1.
NG
A
Check the cable connectors A5~J1. Disconnection
of wires.
Check IC4042.
A Check waveform at pin 26 of connector A5.
NG
J
Check the cable connectors A5~J1. Disconnecting
of wires.
Check JK1005(REMOTE 2 IN), Q1001.
A Check waveform at pin 4 of IC4041.
NG
A Check IC4041 and peripheral circuit.
A Check waveform at pin 26 of connector A5.
NG
J
Check the cable connectors A5~J1. Disconnecting
of wires.
Check JK1005(REMOTE 2 IN), Q1001.
A Check waveform at pin 6 of IC4042.
NG
J Check IC4042.
A Check waveform at pin 6 of IC4042.
NG
A Check IC4042.
DG Check IC5001 or replace DG-PCB.
DG Check IC5001 or replace DG-PCB.
DG Check IC5001 and replace DG-PCB.
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