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Model
SC-ZT1GN SC-ZT1GS SU-ZT1GN SU-ZT1GS SB-ZT1GN SB-ZT1GS
Pages
127
Size
17.66 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / HOME THEATER AUDIO SYSTEM
File
sc-zt1gn-sc-zt1gs-su-zt1gn-su-zt1gs-sb-zt1gn-sb-zt.pdf
Date
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25
Comfirmed that there are neither distortion nor a noise on the screen.
• If it is a picture quality equal when DVD was connected directly to TV, it is OK
1. Connect directly DVD player to TV.
2. Connect DVD player to set then connect it to TV.
3. Do the comparison for (1) and (2) if same, it is OK.
26
9.2.
Troubleshooting Flow Chart
9.2.1.
Main Unit (SU-ZT1)
Power Supply
No power supply
Primary Fuse (F701
㧕check
Power source checking
Operation Switch
No Operation
Operation Failure
HDMI Input
No Picture
No Audio
HDMI Error appears
Optical Input
No Audio
Audio Input
No Audio
HDMI Output
No picture
Same as HDMI Input check
No audio
Same as Audio output check
Audio Output
No audio
Output (SW
㧕
㧕
No audio
Headphone Output
No audio
Audio output signal checking
ޓ࡮JK4003, JK4004, JK4005, JK4006
Headphone Output signal check
ޓ࡮CN4601 ĺ JK4611
Main P.C.B check
ޓ࡮IC4001, IC4304
SW output signal check
ޓ࡮JK4002
Main P.C.B check
ޓ࡮IC4001, IC4303
Main P.C.B check
ޓ࡮DSP output㧦IC4201㨪IC4203
ޓ࡮Selector Volume IC㧦IC4001
ޓ࡮Audio amp IC㧦IC4301, IC4302
Wireless output line
ޓ࡮CN4701 ĺ Tx Module P.C.B
ޓ࡮Micro-processor IC㧦IC8001
Same as Audio Output check
Same as Audio output check
Main P.C.B Check
࡮Selector IC㧦IC4001
DSP P.C.B check
ޓ࡮IC1000, IC1001
Connector
࡮FFC checking
ޓ࡮Optical Input Jack㧦JK4501, JK4502
ޓ࡮CN4102 ĺ CN1002
Main P.C.B
ޓ࡮Micro-processor IC㧦IC8001
Main P.C.B
ޓ࡮Micro-processor IC㧦IC8001
Main P.C.B Check
ޓ࡮IC4001, IC4101, IC4102
ޓ࡮CN4101 (Pin 25,26),( Pin 28,29)
DSP P.C.B Check
ޓ࡮IC1000, IC1001
Power supply check (For audio circuit)
ޓ࡮
ޓ࡮
+7V
㧦Q5507, -7V㧦Q5508
Input terminal signal checking
(JK4001
ĺ IC4001 Pin ԛԜԟԠ)
Switch P.C.B Check
㧦S4601 ĺ
ޓޓޓޓMain P.C.B㧦IC8001-Pin 81
Main P.C.B
ޓPower circuit check
ޓ࡮D5502㧦Pin Ԙ,ԙ
ޓ࡮IC5501㧦Pin ԛ,Ԝ,ԟ
ޓ࡮IC5502㧦Pin Ԙ,Ԛ
ޓ࡮PC5501㧦Pin Ԙ,ԙ
Power Supply line checking: 
ޓD5505 ĺ IC5571㧦Pin Ԙ
Main P.C.B
ޓ࡮Micro-processor IC㧦IC8001
ޓ࡮Reset IC 㧦IC8003
ޓ࡮Power Det IC㧦IC8004
Panel P.C.B Check
Connector
࡮FFC checking
Main P.C.B check
ޓ࡮FL Power Supply T5551㧦Pin
Ԛ,Ԝ,ԟ,Ԡ
ޓ࡮FFC connector (CN4601)
Main P.C.B
ޓ࡮Micro-processor IC㧦IC8001
HDMI Power Supply Checking
ޓ࡮JW4205 ĺ CN2005
ޓ࡮IC5561, IC5562, IC5563 (Main P.C.B)
Connector
࡮FFC checking
ޓ࡮CN2003, CN2004, CN4221
HDMI P.C.B Check
ޓ࡮IC2101, IC2201, IC2232
ޓ࡮HDMI Micro-processor IC:IC2002
DSP P.C.B Check
ޓ࡮IC1000, IC1001
Main P.C.B
ޓ࡮Micro-processor IC㧦IC8001
27
9.2.2.
Speaker Unit (SB-ZT1)
28
9.2.3.
Speaker Unit (SB-ZT1) - Wireless Link
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