Sony DCR-TRV940 Service Manual page 25

DCR-TRV940/TRV940E/TRV950/TRV950E
COVER
COVER
For Schematic Diagram
• Refer to page 4-97 for printed wiring board.
1 2
DB-014 BOARD (4/9)
A
AUDIO PROCESSOR 1
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
CH1_IN_SEL
18
R6024 0
CH2_IN_M
(3/9)
VOLOUT_LCH
19
VOLOUT_RCH
B
(3/9)
L_I/O
R_I/O
5
C
RN1910FE(TPLR3)
Note:The voltage and waveform
of Q6001,Q6002,Q6005,
D and Q6006 cannot be measured.
because it is mounted under
the FP-499 flexible board.
20 XAUDIO_IN
E
(8/9)
IR_L
IR_R
F
HP_L
HP_R
G
SP+
SP-
KASYAON
BEEP
72
AU_4.6V
H
(9/9)
82
AU_2.8V
(9/9)
86 VTR_UNREG
(9/9)
I
58
REG_GND
(9/9)
STBY_ON/XLR2
J
23
(8/9)
STBY_ON
K
12 68
SHOE_MIC_R
(3/9), (5/9)
05
DB-014 (4/9)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
3 4 5 6
:Voltage measurment of the CSP ICs
and the Transistors with mark,are
not possible.
R6033
XX
C6045
R6036
0.47u
0
C6013
0.47u
R6006 C6003
47k 0.47u
R6007 C6010
C6004
1 47k
4 4.7u 6.3V 0.47u
3
4
2
R6011 R6017
C6005
2200 100k
3 6 2 0.47u
1
R6013
Q6003
2200
UNRL11500AS0
C6001 C6002
Q6001
10u C6006
MUTE
10u
6.3V 10u
6.3V
MUTE
R6003 R6004
1k 1k
R6005
R6012
XX
XX
1 4
C6011
Q6005
2 5 10u
RN2910FE(TPLR3)
6.3V
AUDIO OUT
SWITCH
6 3
2 3
1
C6007
10u
4
Q6004
10V
UNRL21300AS0
AUDIO OUT
SWITCH R6032
C6040
XX 0.47u
C6041 0.47u
C6008
R6001 R6009
47u 6.3V
47 47
R6002 R6010
47
47
C6009
Q6002 47u
Q6006
6.3V
RN1910FE(TPLR3) RN1910FE(TPLR3)
1
4 4 1
HP MUTE HP MUTE
5 2 5 2
R6015 R6016
3 6 3 6
10k 10k
Q6007
2SD1511-R/S(TX)
REG
8.2 3.2
4
R6008
R6014
3900
33k
4-53
DB-014 BOARD SIDE A DB-014 BOARD SIDE A
7 8 9
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35
P.MUTE_TC MIC_CTL1(R)
LINE1_IN(R) MIC_CTL2(R)
LINE1_OUT(L) EXT_MIC(R)
LINE1_OUT(R) MIC_DET1
Power_MUTE Vcc(M)
A_GND VREFM
LINE2_IN(L) XMIC_P_SAVE
IC6001
VREFH ALC_OUT(L)
AUDIO IN/OUT
LINE2_IN(R) LPF_IN(L)
IC6001
Vcc(H) LA74208GL-TBM REC_OUT(L)
LINE2_OUT(L) A_GND
LINE2_OUT(R) REC_OUT(R)
HP_OUT(L) LPF_IN(R)
N.C ALC_OUT(R)
N.C Vcc(L)
N.C PB_IN(L)
N.C A_GND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
C6014
15u
C6016
4V
0.01u
C6018
C6017 C6019 C6020
R6019 0.1u 1u
10u 0.1u
470
6.3V
R6018
1k
C6015
R6020
0.01u
22k
R6035
XX
R6026
XX
C6043
XX
R6023 0
Q6008
XX
R6034
XX
R6031
R6027 R6028
XX XX XX
C6042
XX
Q6009
XX
R6029
XX
R6030
XX
DB-014 BOARD SIDE B DB-014 BOARD SIDE B
10 11 12 13
12 11 10 9
IC6004
PWADB
AUDIO
PWDAB
A/D CONVERTER,
D/A CONVERTER
AOUTL
IC6004
AOUTR AK4550VL-L
L6001
10uH
C6025
C6029
10u
0.47u
10V
1 2 3 4
C6022
0.47u
FB6001
L6002
10uH
R6021
C6023
470
0.47u
C6027 R6022
1u
470
C6031 C6034
10u
0.01u
6.3V
C6033
C6035
22u
XX
4V
C6026
1u
Q6010
XX
R6025
XX
Q6011
XX
C6032
XX
SIGNAL PATH
AUDIO
SIGNAL
16 15 14 13 12 11 10 9
REC
PB
IC6002
XX
C6021
XX
1 2 3 4 5 6 7 8
C6024
XX
4-54
14 15 16
XPWDA
XPWAD
SFD_BCK
SFD_FCK
SFD_LRCK
DATA_FROM_SFD
DATA_TO_SFD
24
(8/9)
SDTO
DEMO1 DEM1
DEMO0 DEM0
VDD XXYZ_SEL
XCS_AU1
VSP_SO
77
XVSP_SCK
(8/9)
17
XYZ_R
XYZ1_R
(3/9)
13
XYZ_SEL5
(3/9)
25
SP_VCC
(5/9)