Audio Block Diagram (1/2) - Sony CCD-TR317 Service Manual

CCD-TR317/TR517/TRV17/TRV37/TRV47/
TRV57/TRV57P/TRV67/TRV87/TRV87P

3-9. AUDIO BLOCK DIAGRAM (1/2)

VC-234 BOARD
CN982
BPF MON
5
PB RF
(FOR CHECK)
6
A FADE
(IC291 47 )
PB RF 26
(IC101 14 )
AU BPF 28
(IC291 45 )
18
1.5M DEV
(IC291 44 )
CAMERA/VIDEO(2)
(SEE PAGE 3-10)
REC AFM 29
(IC101 1 )
FSC 14
(IC201 79 )
1.7M DEV 17
(IC291 46 )
ZM MIC CONT
ST/MONO
(IC291 48 )
DET
19
20
16
( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
IC701
(4-32)
AFM PROCESS
32 9
MIC(L)
63
LINE(L)
64
NR AGC
MIC(R)
2
LINE(R)
3
PB 1.5M
BPF
PB 1.7M
IR(L)
55
HP(L)
52
LINE(L)
57
MX
1.5M DEV
MTX
IR(R)
56
LINE(R)
58
MOD/DEMOD
REC RF
HP(R)
54
FSC
21
BUS
22
DECODER
1.7M DEV 23
NR
POWER MUTE 59
SP+
49
SPEAKER
AMP
SP-
51
SP VCC
24 31 60 41 46 48
AU 4.75V AU 2.8V MT 4.75V
XMIC MONO
3-19
IR VIDEO
CAMERA/
VIDEO(1)
(IC641 24 )
(SEE PAGE
3-8)
CAMERA/
VIDEO(2)
(SEE PAGE 3-10)
IR L OUT
IR R OUT
(LASER LINK MODEL)
Q704
Q711
Q706
Q710
Q703 (TRV MODEL)
Q701
Q709 CN971 CN451
HP SENSE
BUFFER 4 4
HEADPHONE R
3 3
AU XIN/OUT
HEADPHONE L
2 2
VC SO
XVC SCK
(TR MODEL)
XCS AU
Q707
CN971 CN101
AUDIO L I/O
ON/OFF
14 4
MUTE SWITCH
AUDIO R I/O
12 2
JACK MONO
11 1
SWP 47
(IC902 )
20
XCS AU (IC902 )
VC SI (IC902 80 ) VTR/CAMERA
CONTROL
VC SO (IC902 79 )
(SEE PAGE 3-11)
VC SCK (IC902 78 )
AU XIN/OUT (IC902 51 )
A 4.75V HPF
IC751
VIDEO CAR
(IC291 39 )
IR TRANSMITTER
35 32 31 27 25
VIDEO DEV VCC VCC
39
(IC291 40 )
VIDEO
41 SIGNAL
MIX DRIVE
PROCESS
AUDIO DEV
45
38
(IC291 )
AMP
46 AUDIO
SIGNAL
48 PROCESS
OSC VCC
7 12
A 4.75V
SE-101 BOARD
J451
HEADPHONES
(STEREO MODEL)
(TRV MODEL)
PJ-99 BOARD PJ-100 BOARD
AUDIO L
(MONO)
AUDIO R
J101(1/3)
(STEREO MODEL)
BEEP SIG 56
(IC803 )
82
EXT MIC DET (IC803 )
XWIND ON (IC803 3 ) MODE
CONTROL(2)
31
HP SENS (IC803 ) (SEE PAGE 3-18)
JACK MONO (IC803 83 )
IR ON (IC803 43 )
59 )
SIRCS PWM (IC803
TR MODEL : CCD-TR317/TR517
TRV MODEL : CCD-TRV17/TRV37/TRV47/TRV57/TRV57P/TRV67/TRV87/TRV87P
STEREO MODEL : CCD-TRV87/TRV87P
MONAURAL MODEL : CCD-TRV17/TRV37/TRV47/TRV57/TRV57P/TRV67/TR317/TR517
LASER LINK MODEL : CCD-TRV87/TRV87P
3-20
(4-21)
IR DRV CL
24 18
IR DRV EM
22 19
18
EXCEPT
16 + LASER
MIC L
LINK
6
MODEL
MIC R
8
15
STBY 14
AUDIO(2)
(MA-374/375)
(SEE PAGE
3-21)
XWIND ON
12
XMIC MONO
10
EXT MIC DET
9
ZOOM MIC CONT
11
CN972
CN975 CN001 CN003
SP+
21 25 1 SP901
SP-
22 24 2 SPEAKER
CF-67 BOARD
(TRV MODEL)