Ir Transmitter - Sony CCD-TR317E Service Manual

For Schematic Diagram
• Refer to page 4-35 for printed wiring board.
• Refer to page 4-89 for waveforms.
2 3
1
VC-234 BOARD(7/13)
(LASER LINK MODEL)
IR TRANSMITTER (IR BLOCK)
A
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
A_4.75V
90
TO(13/13)
REG_GND
B
R760
R755
18k
VIDEO_CAR
R756
4700
42 VIDEO_DEV
TO(8/13)
C753
R757
0.01u
4700
AUDIO_DEV
C
D
36 TO(5/13,6/13) IR_VIDEO
IR_L
37
TO(12/13)
E
IR_R
R759
R758
XX XX
F
41 FSC
TO(2/13,12/13)
G
IR_ON
43 TO(11/13)
SIRCS_PWM
16
4 5 6
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
L754
10uH
C763 C764
0.01u 10u
6.3V
B
A:ROHM
C761 C762
0.01u 510p
15k
B CH
R764
C759
0.01u
B
C760
4.7u
6.3V
B
TA
36 35 34
C782
1u
6.3V 0.7
B
CLAMP C1
1608
NC
0.8
C751
V DEV ADJ
10u
4V
NC
0.9
42
V IN
2.3
REG
NC
C757 2.7
1u
C754 REF
16V
0.7
TA 0.47u
A B A DEV ADJ
2.3
Lch IN
0
ALC C
2.3
Rch IN
C755
0.47u
B
C758
C752
R761 1u
1 2 3
10u
1M B
6.3V
1608
R763
22k
± 0.5%
R777
0
4-21
7 8 9
L751 C771 C773
C768
5.6uH 33p
8p 39p
2520 CH
CH CH
330
L752 L753
33uH
33uH
2520 2520
C767
R767
0.1u
470
B
33 32 31 30 29 28 27 26 25
DRV CL OUT
7.1
41
NC
DRV EM OUT
0.5
IC751
DRV SW
4.5
MIX OUT
1.3
R773
470
IC751
NC
AN2920FHQ-EB
MIX IN C756
1.3
R771 0.1u
B
NC 560
VRF OUT
1.4
ARF OUT
2.9
R772 C777
40
STBY 6800 0.01u
3.0
B
CHUP C
3.6
4 5 6 7 8 9 10 11 12
C778
0.01u
B
R770
150k
C765
R768
0.01u 150k C772
R774
C775
B 1u
R766 39k
0.1u
B
0
B
1608
C774
1u
C766
C769 C770 B
R776
1u 0.47u 0.47u
1608
XX
B B B
1608
CCD-TR317E/TR417E/TR427E/TR617E/TR717E/TR918E/
TRV37E/TRV47E/TRV48E/TRV57E/TRV67E/TRV87E
10 11 12
LASER LINK MODEL : CCD-TR918E/TRV87E
SIGNAL PATH
VIDEO SIGNAL
AUDIO
CHROMA Y Y/CHROMA SIGNAL
REC
PB
IR_DRV_CL
38
TO(12/13)
IR_DRV_EM
R762
XX
C781
22u
4V
A
TA
R775
0
EXCEPT LASER LINK MODEL
4-22

IR TRANSMITTER

VC-234 (7/13)