Grundig FREAXX 50, Service Manual

Page: 30 / 35

GRUNDIG Service FREAXX 50 RRCD 4305 SPCD
3 - 16
DSA INTERFACE
TP2
SHORT
VCC
DSA ACK
DSA DATA
DSA STB
CD BCK
CD LRCK
CD DATA
AU XCK
GND
VCC3
GND
R7
4K7
C9
104
C8
10u
C7
220u
C1
47u
R9
33
C10
104
C6
104
R4
10K
R3
100
R2 100
R1 100
C3
22P
C4
22P
XT1
27MHz
D3
4001
D2
4001
C12
104
C13
104
C11
104
D1
1N4148
R5
100
C2
100n
R13
2K2
R12
10K
R11
10K
Q1
9014
Q3
A733
Q2
A733
R10
10K
R15
2K2
R14
10K
Q4
A733
R9
10K
R16
10K
R17
2K2
Q6
A733
Q7
A733
R6
10K
C5
104
R8
2R2
CD
D
A
TA
102
GNDTVP
99
D
A
TA TV0
96
D
A
TA TV3
93
D
A
TA TV6
90
VSYNC
IN
87
AU
L
R
C
K
84
AU
X
C
K
81
R
O
M ADDR
1
7
78
R
O
M ADDR
1
4
75
R
O
M ADDR
1
1
72
RESET B
103
NDATA1
106
GNDIKP
109
VFD STB
121
GNDIKP
31
WE
B
28
DD1
0
25
DD1
3
22
DD7
19
DD4
16
B
IST MODE
10
V
CCA
P
7
CL
K
IN
4
PIO1
3
1
VCCSIP
104
NDATA0
105
VCCKP
107
NDATA2
108
NDATA3
110
NDATA4
111
NDATA5
112
NDATA6
113
NDATA7
114
NSTROBE
115
MD
116
MC
117
NWRITE
118
VFD DATA
119
VFD CLK
120
IR IN
122
IR OUT
123
DSA ACK
124
DSA DATA
125
DSA STB
126
VCCSOP
127
GNDOP
128
PIO1
2
2
V
CCK
P
3
CL
K
IO
5
GNDIKP
6
TES
T MODE
8
GND
AP
9
SC
AN ENAB
LE
11
DD0
12
DD1
13
DD2
14
DD3
15
DD5
17
DD6
18
DD1
5
20
DD1
4
21
DD1
2
23
DD1
1
24
DD9
26
DD8
27
V
CCK
P
29
CA
S B
30
RA
S B0
32
RA
S B1
33
GNDOP
70
R
O
M ADDR
1
0
71
R
O
M ADDR
1
2
73
R
O
M ADDR
1
3
74
R
O
M ADDR
1
5
76
R
O
M ADDR
1
6
77
V
CCK
P
79
GNDIKP
80
A
U EMP
82
AU
D
A
TA
83
A
U
BCK
85
HSYNC
IN
86
C
K2
7
OUT
88
D
A
TA TV7
89
D
A
TA TV5
91
D
A
TA TV4
92
D
A
TA TV2
94
D
A
TA TV1
95
V
CCT
V
P
97
PL
Y NTSC
98
CD
BCL
K
100
CD
L
RCK
101
IC1
SPCA702-128
1
2
3
4
5
6
J1
Q5
A733
C19
100P
C20
100P
C21
100P
1
2
3
4
5
6
7
8
J2
T
O CN705
P.
3-6
T
O CN706
P.
3-6
MP3-Platte / PCB