FUNAI 25D-850 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
TU701
AUDIO 2
21
TU-AUDIO
22 SIF
JK758
A-IN(R)-F
FRONT
JK757
A-IN(L)-F
AFV CBA
CN701 CN1 CN1
2 SIF 2 4 TU-AUDIO(R) 4
IF SINAL
1 TU-AUDIO 1 PROCESS 5 TU-AUDIO(L) 5
N-A-REC
TO AUDIO BLOCK N-A-PB
1-7-7
JK751
A-OUT(R)
REAR
A-OUT(L)
IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
76
75
SW
SW
ALC ALC
R-CH
D.C. D.C.
PNR
69 47
73 R-CH
48
INSEL
71
51
65
67
7
11 L-CH
13
INSEL
9
53
14
CN701
L-CH
NOR
PNR
SW
6
4
MAIN CBA
SW
COMP
R-CH BPF
NOISE
P
R
LIM DEV VCO LPF
OUTPUT
SELECT
HOLD
PULSE
NOISE
MIX
DET
LIM DEV VCO LPF
R
P
SW
L-CH BPF
COMP
NOISE
PB-AUDIO SIGNAL REC-AUDIO SIGNAL
I2C-BUS SDA
SERIAL
38
DATA I2C-BUS SCL
39
DECODER
Q451
A-MODE
DO ENV
23
DET DET
80
ALC MUTE 2
78
Hi-Fi-H-SW
40
COMP 26
CL253
R
24 Hi-Fi- A(R) 7
LIM 31 30 Hi-Fi -COM 8
Hi-Fi- A(L) 9
L 27
1-7-8
Mode : SP/REC
TO
SERVO/ SYSTEM
CONTROL BLOCK
CYLINDER
ASSEMBLY
Hi-Fi
AUDIO
(R) HEAD
Hi-Fi
AUDIO
(L) HEAD
HC4C5BLH