DOWNLOAD Sony HCD-ZTX7 / LBT-ZTX7 Service Manual ↓ Size: 5.68 MB | Pages: 100 in PDF or view online for FREE

Model
HCD-ZTX7 LBT-ZTX7
Pages
100
Size
5.68 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-ztx7-lbt-ztx7.pdf
Date
PREV: Sony LBT-ZTX7 Service Manual

Sony HCD-ZTX7 / LBT-ZTX7 Service Manual ▷ View online

HCD-ZTX7
65
IC001 LB1846M (METER DISPLAY Board)
30k
7
IN3
IN4
IN1
IN2
30k
7
VCC
10μF
OUT 4
OUT 3
10
9
8
7
6
5
4
1
3
2
OUT 1
OUT 2
GND
30k
7
30k
7
30k
7
30k
7
Control Bloc
k
Ther
mal Shutdo
wn circuit
30k
7
30k
7
Stepping
Motor
IC915 R5523N001B-TR-F (USB Board)
THERMAL
SHUTDOWN
GATE
CONTROL
CURRENT
LIMIT
FLAG
DELAY
UVLO
EN
GND
FLG
1
OUT
5
IN
4
2
3
HCD-ZTX7
66
IC921 IS61LV6416-10TLT (USB Board)
Decoder
64k x 16
Memory Array 
Column I/O
I/O Data
Circuit
(Lower Byte)
Control
Circuit
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
Decoder
I/O Data
Circuit
(Upper Byte)
A15
A14
A13
A12
A11
CE
I/O0
I/O1
I/O2
I/O3
Vcc
GND
I/O4
I/O5
I/O6
I/O7
WE
A10
A9
A8
A7
NC
NC
A6
A5
A4
A3
NC
I/O8
I/O9
I/O10
I/O11
Vcc
GND
I/O12
I/O13
I/O14
I/O15
LB
UB
OE
A2
A1
A0
IC501 M65850FP-E1 (MAIN Board)
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL?
A/D
20KBIT
SRAM
LPF2
D/A
2
3
4
5
6
7
8
9
10
11
15
14
13
12
CLOCK
RESET
MO
MI
D1
D0
DO1
VCC
16
NC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
1
NC
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
HCD-ZTX7
67
IC602 STK412-170C (POWER Board)
+VH
1
+VL
2
+REF
3
-REF
4
-VL
5
+RE1
8
SUB-GND
7
-VH
COM2
PRE
DRIVER
PRE
DRIVER
COM1
6
-RE1
9
-RE2
10
+RE2
11
-PRE
12
+PRE
13
IN1
14
NF1
15
BIAS
16
NF2
17
IN2
18
NC
19
GND
20
LIM1
21
LIM2
22
CURRENT
LIMITER
CURRENT
LIMITER
IC1100 NJM4558V-TE2 (MIC Board)
IC51 NJM4558M-TE2 (MAIN Board)
IC100 NJM4558M-TE2 (MAIN Board)
IC502 NJM4558M-TE2 (MAIN Board)
IC301 NJM4558M-TE2 (TC Board)
IC401 NJM4558M-TE2 (TC Board)
–
A
1
8
2
7
3
6
4
5
+
–
B
+
(Top View)
HCD-ZTX7
68
IC201 TC74HC4066AFT(EL) (MAIN Board)
IC202 TC74HC4066AFT(EL) (MAIN Board)
1I/O
VCC
1
14
1C
13
4C
12
4I/O
11
4O/I
10
1O/I 2
2O/I 3
2I/O 4
2C 5
3C 6
GND 7
3O/I
9
3I/O
8
IC500 TC74LVX4051FT (MAIN Board)
1
D4
2
D6
3
COM
4
D7
5
D5
6
INH
7
VEE
8
GND
9
C
10
B
11
A
12
D3
13
D0
14
D1
15
D2
16
VCC
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
LOGIC LEVEL CONVER
TER
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