Sony DCR-TRV940 Service Manual page 19

DCR-TRV940/TRV940E/TRV950/TRV950E
COVER
COVER
For Schematic Diagram
• Refer to page 4-93 for printed wiring board.
1
VC-288 BOARD (15/17)
LANC,RESET,BEEP,AFLD(DD CN,LANC/RESET/BEEP,AFLD.CIR)
A
XX MARK:NO MOUNT
B
C
D
E
F
G
(14/17)
H
166
(17/17)
167
124
16
I
158
(14/17)
55
J
58
(5/17),
136
05
VC-288 (15/17)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
2 3 4
VAP_DD_ON
A_2.8V
A_4.6V
AU_2.8V
Q4302
EC3101C-PM-TL
L4301 AF LD VCC SWITCH
10uH
4
MT_4.9V
1
R4302
R4301
47k
163 D_2.8V
(17/17)
Q4301
UNRL21300AS0
AF LD VCC
SWITCH
3
2
BATT_UNREG
1
VTR_UNREG
C4301
4.7u 4
MT_GND
REG_GND
EVER_3.0V
IC2701 XX
NC
GND
VOUT
VIN
BATT_LI_3V
164 D2701
MA132WK-(K8).SO
(16/17)
BEEP
LD_ON
MF_LED
MF_LED
MF_A
MF_A
MF_B
122
MF_B
PD_OUT
PD_OUT
(13/17)
C_RESET
C_RESET
YAW_AD
YAW_AD
PITCH_AD
PITCH_AD
SIRCS_PWM
SIRCS_PWM
SIRCS_SIG
144
SIRCS_SIG
XF_TALLY_LED
XF_TALLY_LED
(14/17)
SCHARGE_LED
SCHARGE_LED
EXT_MIC_JACK
EXT_MIC_JACK
161
XMIC_MONO
XMIC_MONO
XS_JACK_IN
XS_JACK_IN
AV_JACK_IN
AV_JACK_IN
ZOOM_MIC_CONT
ZOOM_MIC_CONT
LD_EVR
LD_EVR
KEY_AD1M
(16/17) KEY_AD1M
SENS_ON
(13/17) SENS_ON
STROBE_AIN
STROBE_AIN
(2/17)
TPA+
TPA+
TPA-
95
TPA-
154
XLANC_PWR_ON
TPB+
TPB+
(8/17)
TPB-
(14/17)
TPB-
XLANC_JACK_IN
XLANC_JACK_IN
169
USB_DET
(5/17)
USB_DET
(16/17)
USB USB
USB_D+
103
USB_D+
USB_D-
USB_D-
(10/17)
USB USB
HP_JACK_IN
HP_JACK_IN
(13/17)
4-41
VC-288 BOARD SIDE A VC-288 BOARD SIDE A
5 6 7
NO MARK:REC/PB MODE
:Voltage measurment of the CSP ICs
and the Transistors with mark,are
not possible.
3
2
R4303
4700 12k
IC4301
R4305
AF LASER MULTI VIBRATOR 220k
IC4301 TC7WH123FU(TE12R)
0 2.8
A VCC
2.8 2.8
B RX/CX
C4303
2.8
1u
CLR CX
0
GND Q
R4304
15k
C4302
0.1u
IC2702
IC2702
BD4201FV-E2
C2720
0.047u
3
VRO
VSS
R2719
R2723
0 3.5 7.6
VIN
100k
PREEND
R2717 33
2.9 3
VOUT
VBAT
2.9 3
3
RESET
2
CS
1 4
R2720
470
C2719
1u
C2716
C2717
0.1u
0.1u
R2724
C2715 C2718
0.1u
0.1u
Q2701 R2721
UNRL11100AS0
2700
LANC POWER
3 SWITCH
4
3
2
1
2.9 0.1 8.3
4
7 6 5 4 3 2 1
IC2703
R2718
4700
LANC DRIVER
8 9 10 11 12 13 14
2.9 0.3 5.5
R2722
100k
3
2
141
D2703
XLANC_ON
MA4L11100AS0
(14/17)
1 4
LANC_OUT
C2721
10u
LANC_IN
10V
LANC_SIG 65
(5/17)
VC-288 BOARD SIDE B VC-288 BOARD SIDE B
8 9 10
TPA+
TPA-
TPB+
TPB-
R4306
22k
XS_JACK_IN
AV_JACK_IN
2 3
HP_JACK_IN
1 XLANC_JACK_IN
LANC_SIG
Q4303
4 UNRL21300AS0
LANC_DC
AF LASER CONTROL
USB_DET
USB
USB_D+
USB_D-
USB
INITIAL RESET,
BACK UP VCC
VOUT
C_RESET
XRESET
YAW_AD
PITCH_AD
BATT_IN
Q2704
EC3201C-PM-TL
3
XF_TALLY_LED
2
R2735
MF_LED
47k
MELODY_ENV
1
MF_A
4 MF_B
C2725
SCHARGE_LED
1u
KEY_AD1M
1k
R2727
1k
SENS_ON
Q2703,2704
MODULATOR
2
STROBE_AIN
MELODY
1
SIRCS_SIG
Q2703
UNRL21300AS0
ZOOM_MIC_CONT
EXT_MIC_JACK
XMIC_MONO
PD_OUT
VOUT
VOUT
XRESET LD_EVR
XRESET
BATT_IN
BATT_IN
MELODY_ENV
MELODY_ENV
MELODY SIRCS_PWM
MELODY
4-42
11 12 13
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
Y/CHROMA
REC
PB
CN1005 27P
1 DV_GND
2 TPA
3 NTPA
4 DV_GND
5 TPB
6 NTPB
7 DV_GND
8 N.C.
9 XS_JACK_IN
10 AV_JACK_IN
11 XHP_JACK_IN
12 XLANC_JACK_IN
13 LANC_SIG
JK-222
14 LANC_DC
LND424-450
15 REG_GND
(PAGE 4-71)
16 USB_DET
17 REG_GND
USB
18 USB_D+
19 USB_D-
USB
20 REG_GND
21 REG_GND
22 VAP_DD_ON
23 REG_GND
24 C_RESET
25 YS_OUT
26 PS_OUT
27 D_2.8V
CN1021 33P
1 XF_TALLY_LED
2 MF_LED
3 MF_A
4 MF_B
5 SCHARGE_LED
6 KEY_AD1M
7 A_2.8V
8 REG_GND
9 SENS_ON
10 A_4.6V
11 PHOTO_TR_OUT
12 REG_GND
13 XSIRCS_IN
14 AU_GND
15 ZOOM_MIC_CONT MA-410
CN5906
16 AU_2.8V
THROUGH THE
17 EXT_MIC_DET
FP-494 FLEXIBLE
18 REG_GND (PAGE 4-68)
19 AU_GND
20 AU_GND
21 MT_4.9V
22 MT_4.9V
23 REG_GND
24 XMIC_MONO
25 AF_LD_VCC
26 AF_LD_VCC
27 PD_OUT
28
LD_EVR
29 SAFE_ON
30 MT_GND
31 MT_GND
32 SIRCS_PWM
33 N.C