Schematic Diagram -Tx Board (1/2) - Sony DP-IF5100 Service Manual

DP-IF5100
Q Q
3 7 6 3 1 5 1 5 0
5-3-2. SCHEMATIC DIAGRAM — TX BOARD (1/2) — • Refer to page 35 for IC Block Diagrams. • Refer to page 24 for Waveforms.
(Page
34)
T E
L 1 3 9 4 2 2 9 6 5 1 3
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
w w w
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/ W or less unless otherwise
4
specified.
• f : internal component.
• C : panel designation.
• U : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 9 V and fed with regulated dc power
supply from external power voltage jack.
• Voltage and waveforms are dc with respect to ground
x a o
under no-signal conditions.
y
no mark : DIGITAL mode
. ( ) : ANALOG mode i
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
– 25 –
http://www.xiaoyu163.com
8
EMPHASIS
&
LPF
Q Q
3 7 6 3
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
u 1 6 3
• Circled numbers refer to waveforms.
• Signal path.
F
: ANALOG .
J
: RF
c : DIGITAL
http://www.xiaoyu163.com
2 4
9 9 8
1 5 1 5 0 8 9 2 4
m
c o
– 26 –
2
9 9
(Page
31)
9 8 2 9 9
(Page
31)
(Page 27, 28)