![background image](http://html.mh-extra.com/html/sony/hcd-zt4/hcd-zt4_service-manual_1329787038.webp)
HCD-ZT4
HCD-ZT4
38
38
7-17. SCHEMATIC DIAGRAM - MAIN Board (3/4) -
BOARD
14
(2/4)
MAIN
(4/4)
BOARD
15
MAIN
J
NO701
MIC
BOARD
(2/2)
CN801
H
BOARD
POWERAMP
NO080
G
BOARD
9V REG
CN055
P
BOARD
5V REG
BOARD
11
(1/4)
MAIN
3.3
9
11.8
16.8
0.3
0.7
0.4
0.7
0
0
0.2
3.3
0.2
3.3
0.7
0
16.7
8.8
8.8
16.2
0
6.3
15
6.3
5.8
5.8
15.6
0
D3SBA20-4100
D601
D3SBA20-4100
D602
~
~
~
~
0.01
C605
0.01
C604
0.01
C618
0.01
C617
25V
4700
C602
10V
100
C609
C611
10V
100
0.1
C608
0.1
C610
RT1N141C-TP-1
Q606
R610
100k
C620
0.1
0.1
C693
1
2
3
3P
CN690
1k
R698
100k
R697
4.7k
R696
4.7k
R695
4.7k
R694
100k
R691
25V
C694
47
50V
22
C690
0.1
C692
1k
R690
R639
R640
22k
5.6k
R634
22k
R633
R635
MC2838-T112-1
D632
4.7k
R631
4.7k
R630
50V
C696
22
I
O
COM
1
3
2
R612
22
1
2
3
4
4P
CN488
HP-L
HP GND
HP-R
CHASSIS
Q694
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
Q695
Q690
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
Q691
16V
4700
C616
MA2J1110GLS0
D628
MA2J1110GLS0
D630
2SC3052EF-T1-LEF
Q693
KTA1273-Y-AT
Q697
47
R687
47
R688
47
R689
I
O
G
1
3
2
JL206
JL207
JL208
JL209
JL210
JL211
JL212
JL213
JL214
JL215
JL216
JL217
JL218
JL219
JL220
JL221
JL222
JL234
JL235
JL236
JL239
JL240
JL241
R637
680
100
100
2W
680
2W
R638
10
R692
10
8.2
R693
MA2J1110GLS0
D605
R668
MAZ8068GMLS0
D691
MAZ8062GMLS0
D690
MAZ8047GMLS0
D608
2SC3052EF-T1-LEF
Q112
JL111
1
2
3
3P
CN110
100k
R158
47
R156
0.1
C114
1k
R159
JL110
2SC3052EF-T1-LEF
Q110
47
R157
0.1
C112
25V
C113
47
Q111
2SC3052EF-T1-LEF
KTA1273-Y-AT
Q113
47
R155
JL112
4.7k
R166
4.7k
R167
4.7k
R165
0.1
C652
0.1
C654
0.1
C649
JW610
JW61
1
0
R636
CN479
13P
R-IN
PREGND
L-IN
STK MUTE
PROTECT
UNREG+16V
HP-R
HP GND
HP-L
POWER GND
SPK RELAY
SW ON/OFF
SW IN
1
2
3
CN600
3P
UNREG16V
GND
M+9V
MAZ8130GMLS0
D110
23
3
2
24
26
1
25
22
5
4
6
30
27
28
31
29
32
OUT-R
51
OUT-L
PROTECT
53
52
SW-OUT
PROTECT
72
PROTECT
49
MAIN BOARD (3/4)
1
GND
DMPORT ON/OFF
5
REG_PROTECT
3
5V
4
NO458
2
UNREG
3P
PROTECT DETECT
Q110-113
FAN MOTOR DRIVE
M
M102
(FAN)
M
M101
(FAN)
7
11
D
B
6
9
10
F
5
3
G
1
12
C
E
8
4
13
A
14
2
FAN+
FAN-
FAN+
FAN-
NC
NC
FAN MOTOR DRIVE
Q690, 691, 693-695, 697
TA78033LS
IC603
IC603
+3.3V REGULATOR
KIA7809API
IC602
IC602
+9V REGULATOR
1
2
3
4
5
6
7
8
9
10
11
12
13
(Page 37)
(Page 36)
(Page 43)
(Page 43)
(Page 41)
(Page 42)
(Page 39)