Yamaha RX-Z9 Service Manual page 120

A B
RX-Z9/DSP-Z9
PRINTED CIRCUIT BOARD (Foil side)
1
VIDEO BOTTOM P.C.B.
10
2
15
14
3
N.C.
4
5 1
1
1 5 1
5
120
6
C
MONITOR OUT
1
(Lead Type Device)
4 5
11 1 8
4 5
1 8
28 15 28
1 14
1
49 64
1
48
33 16
17
32
30 1
128
103
1
102
16 15
65 38
64
39
1 25
100 26
76 50
75 51
5
51 75
50 76
26 100
25 1
5
VIDEO TOP
CB21
D E
S VIDEO
DVD DTV/LD CBL SAT VCR 1
2 IN
J model
1
4 8
1
1
16
U, C, J models
8 5
16 9
9 16
9 16
9 16
8 1
8 1
8 1
48 25
25
24 1 24
1 11
22 12
1 24 1
1 52
208 53
48 25 48
50 1
26 25
157 104
61
105
156
60
108
73
24 25
72 109
1 48
J model
144
37
1
1
36
240
U, C, J models
12
F
VCR 2 DVR ZONE 2
OUT
OUT IN OUT IN OUT
8 8
1
1 7
1 4
9 16
16 9
14 8
9
8
9
16
5
8 1
9 16
9 16 1
8
9 16
8 1
8 1
8 1
1 43
86 44
53 104
52 105
48 48
25
1 24 1
24 1 24
1 156
208 157
25 48 25
8 1
5 4
86
1
120
121
26 50 51
25
44 43
1 75
76
100
180
181
13
NOTE)
The VIDEO BOTTOM P.C.B. actually has a four-layer pattern structure (part face pattern, internal
pattern 1, internal pattern 2 and solder face pattern) but it is shown as "part face pattern + solder
face pattern" in this diagram.
NOTE)
G H
Point !0 (Pin 82 of IC22)
V : 2V/div, H : 20nsec/div
DC, 1 : 1 probe
0V
Point !1 (Pin 9 of IC23)
V : 500mV/div, H : 1µsec/div
DC, 1 : 1 probe
0V
Point !2 (Pin 20 of IC33)
V : 1V/div, H : 100nsec/div
DC, 1 : 1 probe
0V
Point !3 (Pin 191 of IC40)
V : 2V/div, H : 40nsec/div
DC, 1 : 1 probe
0V