HCD-ZT4
HCD-ZT4
34
34
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
7-12. PRINTED WIRING BOARD - DMPORT Board -
8
1
4
5
1
18
C1301
C1300
C1309
CN1302
TP1323
TP1317
TP1316
R1310
R1309
R1318
R1315
R1314
R1302
TP1315
TP1314
TP1313
TP1312
L1300
R1307
R1316
R1305 R1306
C1300
R1304
R1300
C1319
TP1326
TP1325
TP1322
TP1321
TP1320
TP1318
TP1324
TP1319
TP1311
TP1310
TP1308
TP1309
TP1307
TP1306
TP1305
TP1304
TP1303
TP1302
TP1301
TP1300
R1323
R1322
R1313
R1301
1
CN1301
11
C1304
C1303
C1302
C1318
C1315
C1314
C1310
A1300
1-875-679-
11
(11)
1-875-679-
11
(11)
DMPORT BOARD
(COMPONENT SIDE)
DMPORT BOARD
(CONDUCTOR SIDE)
DMPORT
AB
MAIN BOARD
CN490
A
B
1
2
3
4
5
7-13. SCHEMATIC DIAGRAM - DMPORT Board -
BOARD
MAIN
CN490
(1/4)
AB
4.5
9
4.5
4.5
4.5
4.5
4.5
22k
R1305
22k
R1315
100
R1309
C1300
0.1
100
R1310
8
7
6
5
4
3
2
1
NJM4558M-TE2
IC1300
V-
V+
R1302
4.7k
C1309
0.1
22k
R1314
22k
R1318
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
CN1302
PGND
VBUS(5V)
NC
VIDEO(5V)
RXD
TXD
DET
DGND
WM DET
WM A/D
Lch-
Rch-
Lch+
Rch+
WM RX
WM TX
VIDEO
VGND
22k
R1313
22k
R1304
0.1
C1301
10uH
L1300
22k
R1306
22k
R1301
R1300
4.7k
1
2
3
4
5
6
7
8
9
10
11
11P
CN1301
CHASSIS GND
PGND
5V
L
AGND
R
A+9V
DET A/D
TXD
RXD
DGND
TP1323
TP1313
0.1
C1319
TP1325
TP1326
100k
R1322
100k
R1323
R1316
100k
R1307
100k
C1310
10V
47
25V
22
C1302
C1303
50V
1
C1304
50V
1
C1314
50V
1
C1315
50V
1
10V
100
C1318
TP1300
TP1301
TP1302
TP1303
TP1304
TP1305
TP1306
TP1307
TP1308
TP1309
TP1310
TP1324
TP1322
TP1321
TP1320
TP1319
TP1318
TP1317
TP1316
TP1315
TP1314
TP1312
TP1311
DMPORT BOARD
IC1300
LINE AMP
DMPORT
D
2
5
3
C
1
8
6
A
7
4
B
IC101
JB
(RFi)
(CD play mode)
500 mV/DIV, 500 ns/DIV
1.2 Vp-p
RB
IC901
VE
(X2)
1 V/DIV, 50 ns/DIV
111 ns
3.7 Vp-p
XB
L501
(TAPE REC mode)
10 V/DIV, 5
μ
s/DIV
13.6
μ
s
56 Vp-p
FT
IC401
RE
(X-OUT)
1 V/DIV, 100 ns/DIV
200 ns
3.5 Vp-p
IC101
(FEi)
(CD play mode)
200 mV/DIV, 500 ns/DIV
Approx.
400 mVp-p
IC101
(TEi)
(CD play mode)
200 mV/DIV, 500 ns/DIV
Approx.
500 mVp-p
59 ns
3.2 Vp-p
IC101
XG
(XO)
(CD play mode)
1 V/DIV, 20 ns/DIV
FB
IC401
RB
(XC-OUT)
1 V/DIV, 20
μ
s/DIV
30.5
μ
s
2.5 Vp-p
• Waveforms
– CD Board –
– TC Board –
– USB Board –
– MAIN Board –
(Page 35)
(Page
36)