Sony Digital Handycam DCR-TRV120 Service Manual page 28

FP-249, FP-355, FP-356 (MECHA DECK) PRINTED WIRING BOARDS AND VC-235 (D/A CONVERTER) SCHEMATIC DIAGRAM • See page 4-11 for VC-235 printed wiring board.
– Ref. No.: FP-249, FP-355, FP-356 flexible board; 10,000 series –
1 2
VC-235 BOARD (14/16)
A
D/A CONVERTER (EVR BLOCK)
-REF.NO.:10,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:Digital8 PB MODE
C:Hi8/Std8 PB MODE
B
C
D
E
F
VC-235 BOARD (12/16)
G
4-41
3 4 5
C2291
0.01u
B
36 35 34 33 32 31 30 29 28 27 26
37 ACC/RF_CONT
IR_A_DEV 0.7
38 AUDIO_DEV
5V
IR_CARR 1.3
39 VIDEO_CAR
IR_V_DEV
0.9
40 VIDEO_DEV
3V
41 ND_CONT
42 LCD_BL_CONT
IC2291
43 V_ON
1.5M_DEV 1.9
44 1.5M_DEV
AU_BPF 1.9 D/A CONVERTER (EVR)
45 AU_BPF
IC2291
1.7M_DEV 1.7
MB88344BPFV-G-BND-ER
46 1.7M_DEV
:NTSC MODEL
M62371GP-600D
47 A_FADE
:PAL MODEL
ZOOM_MIC_CONT
2.8
48 ZM_MIC_CONT
1 2 3 4 5 6 7 8 9 10 11 12
48
VC_SO PRINT_HEAD_DDCONT
85 VC-235 BOARD
(6/16)
XVC_SCK
DA_STB
BW_CONTRAST
67
VC-235 BOARD (10/16)
05
DCR-TRV120/TRV120E/TRV120P/TRV125E/
6 7 8
NTSC MODEL:DCR-TRV120/TRV120P
PAL MODEL:DCR-TRV120E/TRV125E/TR8000E/TR8100E
L2291
10uH
C2292
22u
6.3V TA B
XMP/ME
RP_IR
MT_Q
DOC_DET
25 MT_F0
RF_AGC_CONT
XRF_AGC_OFF
R0/P0/C1 RP_IR
RP_IR 24 MT_CONT
AFC_F0_ADJ
2.1
AFC_F0_ADJ 23 RF_ENV_LEVEL
FRQ_TUNE
2.5
FRQ_TUNE 22
CFG_DUTY
1.4
CFG_DUTY 21
BW_BRIGHT
0
(BW_BRIGHT) 20 VC_RF_SWP
0 BW_CONTRAST
(BW_CONTRAST) 19
N.C. 18
BW_VCO
0
(BW_VCO) 17
BW_BL
0
(BW_BL) 16
MT_Q
R0.5/P0.5/C0.7
MT_Q 15
AGC_CONT2 14
AGC_CONT1 13 HALL_GAIN
HALL_OFFSET
HALL_REF
FRQ_TUNE
FB2291
0uH
ZOOM_MIC_CONT
C2293
IR_A_DEV
1u
B
IR_V_DEV
IR_CARR
1.5M_DEV
1.7M_DEV
PRINT_HEAD_DDCONT
AU_BPF
PRINT_HEAD_DDCONT
CFG_DUTY
BW_BRIGHT
BW_BRIGHT
BW_CONTRAST
BW_VCO
BW_VCO
BW_BL
AFC_F0_ADJ
BW_BL
4-42
MECHA DECK
FP-249, FP-355, FP-356
TR8000E/TR8100E
9 10
A_4.75V
91
AU_2.8V
VC-235 BOARD (16/16)
REG_GND
XMP/ME
56
VC-235 BOARD (8/16)
RP_IR
MT_Q
DOC_DET
MT_F0
RF_AGC_CONT
66
VC-235 BOARD (9/16)
XRF_AGC_OFF
MT_CONT
RF_ENV_LEVEL
59 VC-235 BOARD
VC_RF_SWP
(8/16,12/16,15/16)
HALL_GAIN
HALL_OFFSET
22
VC-235 BOARD (3/16)
HALL_REF
3
FRQ_TUNE VC-235 BOARD (1/16)
ZOOM_MIC_CONT
IR_A_DEV
IR_V_DEV
92
IR_CARR
VC-235 BOARD (15/16)
1.5M_DEV
1.7M_DEV
AU_BPF
88
CFG_DUTY VC-235 BOARD (13/16)
16
AFC_F0_ADJ VC-235 BOARD (2/16)
D/A CONVERTER
/
VC-235 (14/16)