Read Sony HS-JM400 Service Manual online
17
HS-JM400
6-7. IC BLOCK DIAGRAMS
IC1 TA2111FN (EL)
IC301 LB8115W-NA-TLM-E
24
23
22
21
20
19
18
17
16
15
14
11
10
9
8
7
6
5
4
3
2
1
12
13
AM
MIX
FM
MIX
AM
OSC
FM
OSC
AF
BUFF
AM
DET
FM
IF
AM
IF
LEVEL
DET
FM
DET
TUN
LED
ST
LED
AGC
FM
RF
FM-RF IN
GND
MIX
AGC
VCC 2
GND2
TUN- LED
ST-LED
QUAD
LPF3
AM
IF IN
FM
IF IN
FM
MUTE
ST/MO
FM/AM
AF
VCO
DECODE
DIVIDE
AM-RF IN
FM-RF OUT
FM OSC
AM OSC
AFC
LP2
BAND
LP1
MO-ST
L OUT
R OUT
VCC 1
DET-OUT
MPX-IN
1
2
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15 16 17
18 19
20 21 22
23 24
48 47 46 45 44 43
42
41
40
39
38
37
COM
RI
VREF
POWER-OUT(COM)
POWER-OUT(R)
VCC
POWER-MUTE
POWER-IN(L)
POWER-IN(R)
MIX-OUT(L)
MIX-OUT(R)
LP.2
H. PIN(R)
H.PIN(L)
DET-OUT
M-VREF
IN
+
VSP
MIX-IN(R)
MIX-IN(L)
L.B-SW
M-GND
R.P-VREF
SYSTEM
POWER-OUT(L)
POWER-GND
M-VCC
DR
WOUT
MPGND
VOUT
UOUT
FC
OUT
OSC
UB
VB
WB
3
4
5
6
7
8
9
10
11
12
PRE-NF(L)
PRE-OUT(R)
PRE-NF(R)
FWDIN(R)
REVIN(R)
REVIN(L)
FWDIN(L)
S/S
PRE-GND
PRE-OUT(L)
BIAS
R.F
REF
SYS
CONT
DET
VREF
SPEED
LOW
BOOST
PRE DRIVER
OPERATION LOGIC
OSC
PLUSE DET
REF
VOLTAGE
REF VOLTAGE
FOR SPEED CONTROL
CURRENT
DET
OPERATION
DET
FWD/
REV
FREQ
CARC.
+
–
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