Laser Link - Sony DCR-PC100 Service Manual

DCR-PC100/PC100E
For Schematic Diagram
• Refer to page 4-47 for printed wiring board.
• Refer to page 4-90 for waveforms.
2 3
1
MR-44 BOARD(5/5)
LASER LINK(IR BLOCK)
A
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
25 BBI_FRQ
TO(1/5)
IC7500
24
TO(1/5) ZOOM_MIC_CONT
M62367GP-75ED
2.8
VCC
AO8
C
DO
0
XCS_DAC
LD
19
TO(5/5) 2.7
XMS_SCK_VSP
CLK
1.0
17 DATA_FROM_MS_VSP
TO(1/5)
DI
2.8
AO1
GND
IR_V
D
IR_L
IR_R
E
22
TO(1/5)
F
IR_ON
21
TO(1/5) SIRCS_PWM
23
TO(1/5) FSC
G
SIGNAL PATH
VIDEO SIGNAL
AUDIO
H
CHROMA Y Y/CHROMA SIGNAL
REC
PB
I
16

LASER LINK

MR-44 (5/5)
4 5 6
R7506 R7508
15k XX
R7502
18k
R7503
4700
C7501
R7504
1u
4700
IC7500 B
R7531
100
VDD
2.8
AO7
1.5
AO6
AO5
C7502 C7503
IR CAR
AO4 10u
6.3V
1.5
IR V DEV
AO3 P
0.5
IR A DEV
AO2
0.9
VSS
6.3V
C7534 10u
C7500
10u C7507
0.01u
6.3V P
B
P
R7500
47k
R7501
47k
R7505 R7507
10k 10k
4-59
7 8 9 10
L7500
10uH
± 10%
R7514 470
C7513
L7501 L7502
10u
33uH
33uH
6.3V
P C7519
C7516
39p 33p
CH CH
C7514 C7520 C7521
C7506
510p
1u 0.1u 4p
CH
B CH
B
1608
C7505
R7511
1u
330
B
6.3V
10u
C7511 R7512
1k L7503
P
5.6uH
2520
36 35 34 33 32 31 30 29 28 27 26 25
0.01u
B
CLAMP C1
DRV CL OUT
0.4
NC
24
V DEV ADJ DRV EM OUT
0.5
IC7501
NC 25
V IN
3.4
REG IC7501
0
NC LA9511W-TBM
A VREF
C7508 R2.8/P2.6
3.5
0.47u A DEV ADJ
B R2.8/P2.6
0.9
Lch IN
3.5
ALC C
0 23
Rch IN
3.5
C7509
0.47u
B
C7504
10u
2 3 4 5 6 7 8 9 10 11 12
1
6.3V
P
C7510
1u
R7509
B
1M R7510
R7516
22k 150k
± 0.5%
C7517 C7518 C7522
0.47u 1u
0.47u
B B B
C7515
0.01u
B
D7501
DCR2810
(LASER LINK)
D7502
CL-310IRS-X-TU
(LASER LINK)
11 12 13
R7523
1500
4.6
Q7500
2SB1462J-QR(K8).SO
R7525
R7524
33
470
4.6
0
NC
0
Q7501
0 2SA1226-T1E3E4
DRV SW
0.5
MIX OUT
C7529 C7530
0
R7520
0.01u 0.01u
NC R7522
470 B B
330
MIX IN
C7526
0
R7518 0.01u
NC
560 B
VRF OUT
ARF OUT
C7528
R7519 6800
22u
STBY
4V
0
P
CHUP C
0
C7527
0.01u
B
R7521
33k
R7517
150k
C7525
C7524
C7523
0.47u
0.1u
1u B
B
B
R7526
Q7502
6.8
2SB624-T1BV4
1608
1.0 6.6
R7527 6.6
0.4 C7532 6.6
47k
6.8u
16V
A 2SB1462J-QR(TX).SO
Q7504
2SD999-T1-CLCK
0
R7528
0
1k
Q7505
C7531
6.6 UN9211J-(TX).SO
0.1u
B R7530
0
10
1/10W
R7529
2012
18
1/16W
4-60
14 15 16
46
4.6V TO(1/5)
UNREG 43
TO(1/5)
45
IR_GND TO(1/5)
2.8V 44
TO(1/5)
L7504
22uH
2.8V
6.6
C7512
6.6
6.8u
16V
Q7503
A
C7533
0.1u
B