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This was the Sony CCU-500A Service manual I was looking for.
The price was reasonable.
The permission to download was quck.
I will use Owner-Manual.com for all my manual needs.
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
6. Voice cannot be transmitted to other party (outgoing call).
Check the handset MIC sensitivity. OK Check the handset TX AF circuit (around Pins 17, 19~21 of IC504). NG At the MIC of the handset, does the bias voltage exist? OK Check the base RX TEL-line out. OK NG In the base, with the SG standard modulation of 1kHz 3kHz deviation and input signal of 1mV, can the sine wave be seen at Pin 25 of IC1? OK NG NG Check R548, R534, R532 and C555.
Check the base IF circuit (around Pins 26~29 of IC1).
Then, can the sine wave be seen at Pin 24 of IC1? OK Then, can the sine wave be seen at the Q2 collector? OK Check the sorrounding circuit of T1.
NG
Check circuit around Pin 24 of IC1.
NG
Check Q2 and the sorrounding circuit of Q2.
Check the base RX sensitivity. OK The handset MIC is defective.
NG
Check the base RX TEL-line out. OK Check RX RF and mixer circuit of the base (around Q1) as well as FT3 and FT2.
NG
� 17 �
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