Sony CCD-TR618 Service Manual page 72

For Schematic Diagram
• Refer to page 4-9 for printed wiring board.
• Refer to page 4-66 for waveforms.
2 3
1
MI-040 BOARD(2/2)
(TR MODEL)
MI-041 BOARD(2/2) (TRV MODEL)
IR DRIVE
A
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
VTR_UNREG
A_4.75V
B
REG_GND
R3930
R3901
XX
(LASER LINK MODEL)
33k
IR_CARR
R3902
4700
IR_V_DEV
R3903
33k
C
IR_A_DEV
D
TO(1/2)
IR_VIDEO
C3907
1u
B
IR_L
E
IR_R
RB3901
F
IR_FSC
SIRCS_PWM
G
IR_ON
16
4 5
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
NO MARK:IR ON/IR OFF MODE
( ) :IR ON MODE
R3924 [ ] :IR OFF MODE
L3906
0
10uH 2012
R3927
*
2012
L3902
10uH
C3912 C3914
10u 0.01u
6.3V
B
1005
C3911 C3913
0.01u
510p
R3904
R3931 B CH
12k
1005
12k
R3908
C3909
330
0.01u
B
1005
R3909
C3904
1k
0.01u C3910
16V
4.7u
B 6.3V
1005
TA A
36 35 34 33 32 31 30
C3901
1u
B
1608
CLAMP C1
NC
0 IC3901
C3902
XX
V DEV ADJ
4V
TA A IR TRANSMITTER
NC
2.4
3
V IN
0 IC3901
AN2920FHQ-EB
REG
NC
0.3
C3905 REF
0.2
0.47u
B A DEV ADJ
0
Lch IN
0
1
ALC C
0
Rch IN
C3906
0.47u
B
C3903
XX
6.3V
A
TA
1 2 3 4 5 6 7
R3907
C3908
R3945
1u 22k
XX
B 0.5%
1608
R3905
1M
4-13
CCD-TR618/TR618E/TR718E/TR728E/TR818/TRV49/TRV49E/TRV58/
6 7 8
C3918
C3923
8p
C3921
CH 39p
33p
L3903
CH
CH
5.6u
2520
L3905
L3904
33uH
33uH
2520
2520
R3912
R3919
680
C3917
1500
0.1u
B
1005
29 28 27 26 25
(3.8)/
[4.5]
4.7
DRV CL OUT
NC
0
2
DRV EM OUT
0
DRV SW
0
MIX OUT
C3930
R3917 C3929
0.01u
NC 470 22u
B
0
4V
C3926
MIX IN TA
1005
0.01u
R3915 A
B
NC 560
1005
0
VRF OUT
0
R3923
R3916
ARF OUT
0 6800
STBY
0
C3935
CHUP C
XX
NIGHT SHOT MODEL :EXCEPT CCD-TRV98
B
LASER LINK MODEL :CCD-TRV98
TR MODEL
TRV MODEL
R3946
XX
8 9 10 11 12
4.7
R3913
R3914
150k
150k
C3915 C3925
0.01u 0.1u
B B
1005
1005
C3924
C3916 C3919 C3920 C3922 1u
1u 0.47u 0.47u 1u B
B B B
B
TRV58E/TRV59E/TRV68/TRV78/TRV78E/TRV88/TRV98/TRV98E
9 10 11
SIGNAL PATH
VIDEO SIGNAL
CHROMA
REC
C3933
PB
C3932
0.1u
4.7u
B
16V
1005
D3902
DCRS815
(LASER LINK)
D3901
CL310IRS
(LASER LINK)
Q3901
2SA1774HT2
LED DRIVE
(4.5)/ (5.3)/
[0] Q3903 [6.4]
(1.2)/ 2SD1664-T1
R3921
[0] LED DRIVE
470
Q3902
(0.6)/
2SA1037AK (1.2)/
R3922 [0]
LED DRIVE
[0]
0
(0.6)/
[0]
C3934
R3929 R3925
C3931 10V
R3920 * *
0.01u
B
470
1/10W 1/10W
1005
B
2012 2012
1005
R3926
*
:CCD-TR618/TR618E/TR718E/TR728E/TR818
:CCD-TRV49/TRV49E/TRV58/TRV58E/TRV59E/
TRV68/TRV78/TRV78E/TRV88/TRV98/TRV98E
*MARKED:MOUNT TABLE
C3934
D3903
Q3904
R3923
R3925
R3926
R3927
R3929
R3948
4-14
12 13
AUDIO
Y Y/CHROMA SIGNAL
D3903
*
(IR)
R3948
*
Q3904
*
LED DRIVE
*
*
LASER LINK NIGHT-SHOT
0.1u XX
CL-310IRS-
XX
X-TV
XX 2SC4617HT2L
XX 470
10 120
18 XX
XX 0
XX 120
XX 0
IR DRIVE
MI-040/041 (2/2)