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93

94

95

Errors related to the video occurred. 
(Check the clock)

Check on the area surrounding VCXO
CL1821(CK74)- CL13002(GND_1)

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

74.138712MHz-74.212888MHz
CL1821

Points to be measured

Waveform diagram 
Frequency/Points to be measured

Check on the area surrounding VCXO
CL1823(CK27A)-CL13002(GND_1)

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

26.986500MHz-27.013500MHz
CL1823

Check on the PRO2 clock
TP701(VO1CLK(74M))-CL13002(GND_1)

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

74.138712MHz-74.212888MHz
TP701

Synchronous clock: 16.384 MHz
TP607(16.384M)-CL13002(GND_2)

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

16.383836MHz-16.384164MHz
TP607

Check on the area surrounding VCXO
TP620(CLK36M) - CL13003(GND_2)

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

36.845568MHz-36.882432MHz
TP620

FPGA clock
TP626(VI1CLK(74M))-CL13003(GND_2)

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

74.138712MHz-74.212888MHz
TP626

[Parts to be checked]
L1821,IC1803,X1821,C1821,C1822,R1821,
X1822,C1823,C1824,R1822,R1824,R1814,
R1825,R1826,R1828,R1829,R1830,R1831,
R1832,R1833,R1823,L1822,IC1804,R1883,
R1884,R1885,R1886

[Parts to be checked]
L1821,IC1803,X1821,C1821,C1822,R1821,
X1822,C1823,C1824,R1822,R1824,R1814,
R1825,R1826,R1828,R1829,R1830,R1831,
R1832,R1833,R1823,L1822,IC1804,R1883,
R1884,R1885,R1886

[Parts to be checked]
L1821,IC1803,X1821,C1821,C1822,R1821,
X1822,C1823,C1824,R1822,R1824,R1814,
R1825,R1826,R1828,R1829,R1830,R1831,
R1832,R1833,R1823,L1822,IC1804,R1883,
R1884,R1885,R1886

[Parts to be checked]
X601, IC602, IC603,and peripheral parts

Even if IC1600(Main CPU) doesn't start, 
it is not possible to output it. 

Please execute the repair verification related 
to IC1600(Main CPU). 

Clock Diagram

Clock Diagram

Clock Diagram

Even if IC601(V-FPGA) doesn't start, 
it is not possible to output it. 

Please execute the repair verification related 
to IC601(V-FPGA). 

96

X1821
24.576MHz

IC1803

CLK

Generator

X1822
27MHz

CK25M_LAN (25MHz)

CEC_CLK (24MHz)

CK33M1/2 (33MHz)

CK27AEX (27MHz)

IC1804

CLK

Gener

ator

AEXCKA

HDTX_MCK(36MHz)

IC1002

IC1600

CK74AEX (74MHz)

CK74A

(74MHz)

CK27A

(27MHz)

CK27ADV1 (27MHz)

CK27ADV2 (27MHz)

IC601

V_FPGA

IC403

HDMI- RX

IC407

HDMI- RX

VI1CLK (74MHz)

VI1VSYNC

ADVVI1CLK (74MHz)

ACLKIN (24MHz)

IC121
DSP0

BCLKIN (24MHz)

IC201
DSP1

IC601

V_FPGA

IC102

SDRAM

IC202

SDRAM

133MHz

133MHz

IC701 HDMI- TX

Sub - A

ADAC_MCK(36MHz)

X1271
32.768kHz

IC1207

X951
30MHz

IC901

X601
16.384MHz

IC602

IC603

VO1CLK (74MHz)

VO1SYNC

IC301

A_FPGA

AI1ADCCK

(36MHz)

AI1ADCCK

(36.864MHz)

AI1BCK

AI1LRCK

AI1BCK

IC1805

CLK

Genera

tor

AI1BCK

AI1LRCK

Sub - A

IC404

IC1403

IC701

HDRX_BCK/
HDRX_RLCK

HDTX_BCK/
HDTX_RLCK

OSCK/
OLRCK

ADAC_BCK/
ADAC_RLCK

Clock Diagram

Main CPU

CLK36M (36MHz)

Errors related to the sound occurred. 
(Check the clock)

FPGA clock
CL121(ACLKIN(24M))-CL13003(GND_2)
TP201(BCLKIN(24M))-GND

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

24.563712MHz-24.588288MH
CL121

Points to be measured

Waveform diagram 
Frequency/Points to be measured

Check on the PRO2 clock
TP501(ADCA_MCK(36M))
 - CL13002(GND_1)

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

36.845568MHz-36.882432MHz
TP501

Check on the PRO2 clock
TP307(AI1ADCCK(36M)) - GND

Referring to the circuit diagram, check 
how far the clock signals can be 
measured with an oscilloscope.

36.845568MHz-36.882432MHz
TP307

[Parts to be checked]
L1821,IC1803,IC1804,X1821,C1821,C1822,
R1821,X1822,C1823,C1824,R1822,R1824,
R1814,R1825,R1826,R1828,R1829,R1830,
R1831,R1832,R1833,R1823,L1822,IC1804,
R1883,R1884,R1885,R1886

Clock Diagram

Even if IC601(V-FPGA) doesn't start, 
it is not possible to output it. 

Please execute the repair verification related 
to IC601(V-FPGA).