DOWNLOAD Sony DAR-RD100 / HTR-210SS Service Manual ↓ Size: 8.01 MB | Pages: 77 in PDF or view online for FREE

Model
DAR-RD100 HTR-210SS
Pages
77
Size
8.01 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dar-rd100-htr-210ss.pdf
Date
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Sony DAR-RD100 / HTR-210SS Service Manual ▷ View online

5-10 E
MEMO
6-1
SECTION  6
TROUBLESHOOTING
RDR-GX210
6-1. ELECTRICAL  TROUBLESHOOTING  GUIDE
1. Power (SMPS) Circuit
Replace the BD101
Replace the F101
(Use the same Fuse)
No 5.3VA
Is the F101 Normal?
Is the TH01 Normal?
Is the BD101 Normal?
NO
NO
NO
NO
NO
YES
YES
Replace the TH01
Is the D102 normal?
Check or Replace the D102
Replace the IC103
NO
YES
Is there about 2.5V at 
the IC103 Pin1?
Power in Main PCB 
is short
Is Vcc (14V - 20V) 
supplied to IC101 Pin3?
YES
YES
YES
6-2
No 33VT
Is the R139 Normal?
Is there about 33V at the
Q123 pin1?
Is the ZD152 is normal?
Check or Replace the D128
YES
Check or Replace 
the Q123
Replace the R139
NO
NO
NO
Replace the ZD152
YES
YES
Check or Replace the D134
No 5.0VT
Is the Vcc(5.3V) supplied
to Q124 Emittor?
Check or Replace the Q124
Is the Q122 Base ‘H’? 
NO
NO
YES
Check the TIMER “H” 
signal from µ-com 
YES
YES
6-3
No 5.0VD
Is the Vcc(5.3V) 
supplied to Q120 Emittor?
Is the Q120 Base ‘H’? 
Check or Replace the Q120
NO
NO
YES
Check or Replace the D111
Check the PWR CTL “H”
signal from µ-com 
NO
NO
Check or Replace
the D125
Check the PWR CTL “H”
signal from µ-com 
YES
No 3.3V
Is there about 3.7V at the
IC152 pin1?
Is there about 3.3V~ 5V at
the IC152 pin4?
Check the IC152 and
Replace
YES
YES
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