
WRR-855B
2
3
4
5
1
A
B
C
D
E
F
G
H
8-3
8-3
[dB
u
]
0
–10
–20
–30
–40
–50
–60
–70
–80
A
AF (A) : C135 (–)
AF (B) : C435 (–)
B
C205 (+)
C209 (+)
C
IC203-14P
D
R255/C216 (–)
E
IC204-4P
F
IC205-4P
G
C226 (–)
H
IC206-6, 7P
J
AF OUT
Head amp
(IC201, 202)
Diversity
(IC203)
Muting
(IC203)
De-emphasis
(IC204)
Pre-emphasis
330
u
s (IC206)
De-emphasis
330
u
s (IC207)
Expander
(IC206)
LPF
(IC205)
–36 (
,
,
)
–26.5 (
,
,
)
–29 (
,
,
)
– 28 (
,
)
– 27.5 (
)
– 46 (
)
–39.5 (
)
–59.5 (
)
–40 (
)
– 22 (
)
– 40.5 (
)
– 38 (
)
– 23 (
)
–52 (
)
0dB
u
= 1
u
V (at no load)
0dB
u
= –113dBm (0 dBm = 1mW, 50
load)
0dBm = 0.775Vrms
Note :
• The AF level shows the value when the following reference signal is
supplied to the ANT a and b connectors from a FM SSG.
: RF level input 60 dB
u
,
±
5 kHz deviation at 100 Hz modulation
: RF level input 60 dB
u
,
±
5 kHz deviation at 1 kHz modulation
: RF level input 60 dB
u
,
±
5 kHz deviation at 10 kHz modulation
–29 (
,
,
)
–28 (
,
)
–38 (
)
[dB
u
]
0
–10
–20
–30
–40
–50
–60
–70
–80
A
AF (A) : C135 (–)
AF (B) : C435 (–)
B
C205 (+)
C209 (+)
C
IC203-14P
D
R255/C216 (–)
E
IC204-4P
F
IC205-4P
G
C226 (–)
H
IC206-6, 7P
J
AF OUT
Head amp
(IC201, 202)
Diversity
(IC203)
Muting
(IC203)
De-emphasis
(IC204)
Pre-emphasis
330
u
s (IC206)
De-emphasis
330
u
s (IC207)
Expander
(IC206)
LPF
(IC205)
–18 (
,
,
)
–8.5 (
,
,
)
–11.5 (
,
,
)
–10 (
,
)
–3.5 (
)
–5 (
)
– 4 (
)
– 3.5 (
)
– 23.5 (
)
–9 (
)
–10.5 (
)
–20 (
)
–16 (
)
–5 (
)
0dB
u
= 1
u
V (at no load)
0dB
u
= –113dBm (0 dBm = 1mW, 50
load)
0dBm = 0.775Vrms
Note :
• The AF level shows the value when the following reference signal is
supplied to the ANT a and b connectors from a FM SSG.
: RF level input 60 dB
u
,
±
40 kHz deviation at 100 Hz modulation
: RF level input 60 dB
u
,
±
40 kHz deviation at 1 kHz modulation
: RF level input 60 dB
u
,
±
40 kHz deviation at 10 kHz modulation
–11.5 (
,
,
)
–10 (
,
)
– 20 (
)
Содержание WRR-855B
Страница 1: ...UHF SYNTHESIZED TUNER UNIT WRR 855B SERVICE MANUAL 1st Edition Revised 2 ...
Страница 4: ...2 WRR 855B 8 Schematic Diagrams TUN 8 8 1 CPU 342 8 8 DP 236 8 10 SW 814 8 10 ...
Страница 10: ...1 6 WRR 855B Sony Corporation Printed in Japan ...
Страница 38: ......
Страница 58: ......
Страница 67: ...7 1 WRR 855B 7 1 Section 7 Board Layouts ...
Страница 68: ...7 2 WRR 855B 7 2 TUN 8 Suffix 11 TUN 8 Suffix 11 TUN 8 A SIDE SUFFIX 11 TUN 8 B SIDE SUFFIX 11 ...
Страница 69: ...7 3 WRR 855B 7 3 TUN 8 Suffix 22 TUN 8 Suffix 22 TUN 8 A SIDE SUFFIX 22 TUN 8 B SIDE SUFFIX 22 ...
Страница 70: ...7 4 WRR 855B 7 4 CPU 342 Suffix 11 CPU 342 Suffix 11 CPU 342 A SIDE SUFFIX 11 CPU 342 B SIDE SUFFIX 11 ...
Страница 71: ...7 5 WRR 855B 7 5 CPU 342 Suffix 21 CPU 342 Suffix 21 CPU 342 A SIDE SUFFIX 21 CPU 342 B SIDE SUFFIX 21 ...
Страница 83: ......
Страница 84: ...Printed in Japan Sony Corporation 2006 6 16 2001 WRR 855B U CE E 9 976 898 03 ...