Printed Wiring Boards - 2Ch Amp/Usb-Jack/Jack Boards - Sony HCD-EC59 Service Manual

HCD-EC59
• Waveforms
– BD74UR Board – – USB Board –
IC101 2 (RFOUT) IC901 7 (CF2)
1 qa
(CD play mode)
0.7 to 1.5 Vp-p
200 mV/DIV, 500 ns/DIV
IC101 us (XOUT)
2
2.8 Vp-p
59.1 ns
1 V/DIV, 20 ns/DIV – MAIN Board –
IC801 qh (CLK IN)
wa
30.5 s
HCD-EC59
– PANEL Board –
IC301 qf (X1A)
ea
2.8 Vp-p
30.8 s
83.3 ns
1 V/DIV, 20 ns/DIV 1 V/DIV, 20 s/DIV
IC301 os (X1)
es
168 ns
1 V/DIV, 100 ns/DIV
Approx.
304 mVp-p
200 mV/DIV, 20 s/DIV
5-7.

PRINTED WIRING BOARDS - 2CH AMP/USB-JACK/JACK Boards -

• See page 15 for Circuit Boards Location.
1
2CH AMP BOARD
A
3.1 Vp-p
TP105
5
C164
C160
TP104
IC102
R162
B R160
JW202
1
3.3 Vp-p R111
R112
R163
R119
JW204
C
C105
15
C106
R114
R107
C108
R108
R110
C104
R116
C112
R120
C110
TP109
D
24 24
• : Uses unleaded solder.
2 3
(Page 22)
J MAIN BOARD
CN633
USB-JACK BOARD
A102
W102 1
TP102
TP103 TP101
JW201
C162
B
Q141
JW203
E
R141 C141
B
Q142
C142
E
R145
R146
C165
R144 R143
C161
R161
D141
JW205
C163
C111
D140
C109
TP108
C101 R103
R105
J491
C103 TP111 TP110 PC IN
R106 CN100
C102
4 2
R104
5 1
TP112 11
(11)
1-882-028-
K
MAIN BOARD
CN603
(Page 22)
J492
PHONES
4 5
(Page 20)
C USB BOARD
CN903
CN561
1 4
TP561
TP559
TP562
TP560
C565
C561
JW560
R561R562 FB561
FB562
4 1
CN560
11
(11)
1-882-031-
JACK BOARD
TP492
9
CN496 8
N
TP493
TP491
R478
MAIN BOARD
CN605
R477
2
(Page 22)
1
C491
JW492
JW491
TP494
TP495
C496
TP498
C495
TP496 11
TP497
(11)
1-882-029-