Ir Transmitter) Schematic Diagram - Sony DCR-TRV120 Service Manual

MI-37 (IR TRANSMITTER) SCHEMATIC DIAGRAM
1 2 3
MI-37 BOARD (2/2)
A
IR TRANSMITTER
-REF.NO.:10,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE (IR ON)
XF_TALLY_LED
B
SIRCS_SIG
VTR_UNREG
AU_2.8V
C
A_4.75V
R3903
D 18k
IR_CARR
R3904
4700
IR_V_DEV
R3905
4700
IR_A_DEV
E
1
MI-37 BOARD (1/2)
PAL MODEL
NTSC MODEL
F
IR_VIDEO
IR_L
G
IR_R
H
REG_GND
IR_FSC
I
IR_ON
SIRCS_PWM
05
• See page 4-51 for MI-37 printed wiring board. • See page 4-89 for waveform.
4 5 6 7
NTSC MODEL:TRV120/TRV120P
PAL MODEL:TRV120E/TRV125E/TR8000E/TR8100E
L3901
10uH
C3914 C3912
10u
0.01u
6.3V
L3902
C3913
R3908 C3911
5.6uH
0.01u 510p
15k
R3912
C3909
330
0.01u
R3913
R3916
C3910 1k
470
C3904 4.7u
0.01u 6.3V
4.6
36 35 34 33 32 31 30 29 28 27
C3901
1u 2.2
CLAMP C1
NC
1
C3902
V DEV ADJ
10u
4V
NC IC3901
1
2.3
LA9511W-TBM :NTSC MODEL
V IN AN2920FHQ-EB :PAL MODEL
C3908 1u
1.2
REG
IC3901
NC
2.3
REF IR TRANSMITTER
C3905
0.8
0.47u
A DEV ADJ
2.3
Lch IN
0.9
ALC C
2.3
Rch IN
C3906
0.47u
NTSC
MODEL
C3903
10u
1 2 3 4 5 6 7 8 9 10 11 12
6.3V
C3934
1u
R3909
1M
R3940
C3915
XX
0.01u
R3911
22k
R3915 C3916
R3910
1u
XX
0
4-57
8 9 10
C3918
4p
C3923
C3921
39p
33p
L3903
33uH
C3917 L3904
0.1u
33uH
R3936
1500
4.6
26 25
3.9
Q3903
2SA1832F-Y/GR(TPL3)
IR DRIVE SWITCH
4.5
R3923
470
3.9
Q3902
DRV CL OUT
2SA1226-T1E4
1.3
NC BUFFER
0.6
DRV EM OUT
2
0.6
DRV SW
1.2
MIX OUT
C3935 R3924
R3921 C3936
0.01u
470
470
NC 0.01u
1.2
MIX IN
R3919 C3926
NC 0.01u
560 C3928
2.3
22u
VRF OUT
4V
2.3
ARF OUT IC3900
2.9 R3920 C3929
PNA4S13M01S0
6800
0.01u
STBY 2.9
CHUP C
C3927
0.01u
R3922
39k
4.6
R3918
150k
R3917
150k
C3925
0.1u
C3924
C3919 C3920 C3922 1u
0.47u 0.47u 1u
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
DCR-TRV120/TRV120E/TRV120P/TRV125E/
11 12 13
SIGNAL PATH
PB
L3900
10uH F3900
200mA/24V
D3902
XX
D3900
MA111-(K8).S0
D3903
4.6 DAC3825
D3901
(LASER LINK)
SML-310LTT86
1 2 (TALLY)
5.1
Q3901
2SD999-T1-CLCK
R3901 LED DRIVE
4 3
680
0.7
R3900
4.6
0
C3907
0.1u
R3902
10
C3900
R3906
10u
18
IC3900 6.3V
REMOTE CONTROL
RECEIVER
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une piéce portant le numéro spécifié.
4-58
TR8000E/TR8100E
14 15 16
VIDEO SIGNAL
AUDIO
SIGNAL
Y/CHROMA
C3931
C3933
0.1u
4.7u
16V
A
TA
D3904
DCR2815
(LASER LINK)
Q3904
XX
R3939
0
1.3
R3938
0
R3937
XX
Q3905
XX
R3935
XX
IR TRANSMITTER
MI-37 (2/2)