Read Sony DVP-NW50 (serv.man2) Service Manual online
10
10
2-1. Voltages
14V
+12V REG
(U103)
+9V REG
(U20)
+5V REG
(U14)
+3.3V REG
(U101)
+1.25V REG
(U102)
29.5V
VCC30V-R
VCC30V-L for Digital amplifier
VCC30V-L for Digital amplifier
VCC12V for Digital amplifier
VCC 9V for Tuner
VCC 5V for LED, IR OUT
CDVCC 5V for
I2TO5VCC for RESET, MIC, IR IN
3.3V (DVDD) for DSP
VCC 3.3V for Digital amplifier
+1.8V REG
(U13)
RVDD(3.3V) for SYSTEM CONTROLLER
CDVCC3V3 for MPEG, FLASH MEMORY
CVDD for SYSTEM CONTROLLER
1.25V(CVCC) for DSP
Please refer to Block diagram on page 27 and 26 in the Service manual.
All the operation voltages are produced from 14V and 29.5V input from AC-
NW50.
NW50.
Firstly, please check the input voltage from AC-NW50 when the set doesn’t
operate.
operate.
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