Sony SRF-M97 Service Manual page 12
Fm stereo/am pll synthesized radio
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Also See for SRF-M97:
- User manual ,
- Specifications (2 pages) ,
- Operating instructions (2 pages)
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SRF-M97
• Waveforms
– MAIN Board –
IC101 tg (XOUT)
1
0.4 Vp-p
13.3 µ s
200 mV/DIV, 5 µ s/DIV
Q103 (Collector),
2
Q104 (Base)
0.4 Vp-p
268 ns
200 mV/DIV, 100 ns/DIV
Q104 (Collector)
3
1.4 Vp-p
266 ns
500 mV/DIV, 100 ns/DIV
SRF-M97
• IC Block Diagrams
– MAIN Board –
IC1 TA2154AFN-EL
30
29
28
27
26
25
AM
AM
MIX
OSC
1/2
FM
OSC
BUFFER
TV
RF
FM/TV
MIX
AGC
FM
RF
1
2
3
4
5
6
7
– AMP Board –
IC201 TA2179FNG (EL)
24
23
22
21
20
19
18
17
16
RF & REF
PWA
PWC
PW SW, PW MUTE, BST SW
1 2
3
4
5
6
7
8
9
12
12
24
23
22
21
20
19
18
17
16
BUFFER
SW
FM/AM/TV
PW SW
TV
1/8 OR
OSC
1/16
LEVEL
AM
DET
IF
DET
BUFFER
FM
DET
FM
AF
FM MPX
IF
BUFFER
AM
IF
8
9
10
11
12
13
14
15
15
14
13
AGC DET
MODE SW
PWB
BST
+
–
10
11
12
- Quick Links:
- General
- Disassembly
- Schematic Diagram
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