FUNAI 27A-650 Service Manual page 17

Hi-Fi Audio Block Diagram
JACK CBA
JK101
CL101 CL151
A-IN1(R) 2 10 A-IN1(R) 10
A-IN1(L) 6 8 A-IN1(L) 8
6 A-OUT1(R) 6
A-OUT1(R) 1
A-OUT1(L) 12 A-OUT1(L) 12
3
JK102
CL102 CL152
A-IN2(R) 2 9 A-IN2(R) 9
8 A-IN2(L) 8
A-IN2(L) 6
A-OUT2(R) 1 6 A-OUT2(R) 6
A-OUT2(L) 3 11 A-OUT2(L) 11
JK758
A-IN(R)-F
JK757
A-IN(L)-F
N-A-REC
TO AUDIO BLOCK
N-A-PB
1-7-7
CN701
4 TU-AUDIO(R) 4
5 TU-AUDIO(L) 5
IC451
(Hi-Fi AUDIO SIGNAL PROCESS)
67
65
SW
SW
ALC ALC
ALC
62 70
61 71 R-CH
PNR
52 47
56 R-CH
48
INSEL
54
50
60
2
6
10
L-CH
14
INSEL
8
4 15
L-CH
PNR
ALC
+
78
80
PB-AUDIO SIGNAL
MAIN CBA
AFV CBA
CN1 CN1 CN701
SIF 2
IF SIGNAL
PROCESS
OUTPUT
VCO
SELECT
SW R-CH
COMP
BPF
NOISE
P
NOISE ENV
DET DET
R
LIM DEV VCO
HOLD
PULSE
LPF
MIX V/I
LPF
LIM DEV VCO
R
DO
DET
P
SW L-CH
COMP LIM
BPF
NOISE
34 33
REC-AUDIO SIGNAL Mode : SP/REC
CL509 JK751
2 A-OUT1(L)
1 A-OUT1(R)
SUB JACK CBA
TU701
22 SIF
MUTE-ON
73
74
72 2 AUDIO
MUTE
76
77
MUTE-ON
75
IIC-BUS SDA
37
LOGIC IIC-BUS SCL
38
Q451
A-MODE
21 FROM/TO SYSTEM
LINE-MUTE
CONTROL BLOCK
53
LINE-MUTE
Hi-Fi-H-SW
39
CYLINDER
ASSEMBLY
CL253
R
24 Hi-Fi- A(R) 9
26 Hi-Fi -COM 8
Hi-Fi- A(L) 7
L 27
1-7-8
A-OUT
(L)
A-OUT
(R)
Hi-Fi
AUDIO
(R) HEAD
Hi-Fi
AUDIO
(L) HEAD
HE450BLH