Printer Control) Schematic Diagram - Sony DCR-TRV820 Service Manual

Digital video cassette recorder digital 8
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DCR-TRV820/TRV820E/TRV820P
PC-78 (PRINTER CONTROL) SCHEMATIC DIAGRAM • See page 4-55 for PC-78 printed wiring board. • See page 4-105 for waveform.
1
2
3
4
PC-78 BOARD (3/4)
A
PRINTER CONTROL (PR BLOCK)
-REF.NO.:10,000 SERIES-
IC601
XX MARK:NO MOUNT
TC74VHC574FT(EL)
NO MARK:MEMORY REC/PB MODE
IC601
(PRINTER STANDBY)
DATA LATCH
3.2
3.2
B
XOE
VCC
3.2
3.2
D0
PR_D0
D0
Q0
3.2
3.2
D1
PR_D1
D1
Q1
3.2
3.2
PR_D2
D2
D2
Q2
3.2
3.2
D3
PR_D3
D3
Q3
3.2
3.2
D4
PR_D4
D4
Q4
3.2
3.2
D5
PR_D5
D5
Q5
3.2
3.2
D6
PR_D6
D6
Q6
3.2
3.2
D7
PR_D7
D7
Q7
C
3.2
GND
CK
D
D0
D0
D1
D1
D2
D2
D3
D3
D4
D4
D5
E
D5
D6
D6
D7
D7
5
D8
D8
D9
PC-78 BOARD (1/4)
D9
D10
D10
D11
D11
D12
D12
F
D13
D13
D14
D14
D15
D15
P_COPEN
P_COPEN
PSENSON2
P_XSSET
RESENSON
P_XSSET
P_STAT0
P_STAT0
P_STAT1
P_STAT1
G
P_STAT2
PR_PSENS1
P_STAT2
C601
0.1u
P_STAT3
PR_PSENS2
P_STAT3
P_CACK
PR_RESENS
P_CACK
P_DACK
PR_CSENS1
P_DACK
P_IEND
PR_CSENS2
P_IEND
TEMP_IN
P_BW/XCOL
P_BW/XCOL
P_XCS
12V/5
P_XCS
3
P_XSTBY
LFREF
H
P_XSTBY
P_WUP
PC-78 BOARD (1/4)
P_WUP
P_DSET
P_DSET
P_CMD0
P_STAT3
P_CMD0
P_CMD1
P_STAT2
P_CMD1
P_CMD2
P_STAT1
P_CMD2
P_CMD3
P_STAT0
P_CMD3
P_SACK
P_BW/XCOL
P_SACK
I
P_XRES
POWERON
P_XRES
PDATA_XCS
5VON
PDATA_XCS
MT_VOLTAGE1
MD1
MD2
P_UCAS
ETCC_XCS
J
P_RAS
C602
470p
K
DD,SENSOR
L
13
PC_D_3.1V
PC-78 BOARD (4/4)
REG_GND
05
PRINTER CONTROL
PC-78 (3/4)
5
6
7
8
IC602
TC74VHC574FT(EL)
IC602
DATA LATCH
C621
C622
3.2
3.2
0.1u
0.1u
Q601
XOE
VCC
3.2
3.2
PR_D8
RN1107F(TPL3)
D8
D0
Q0
3.2
3.2
PR_D9
D9
D1
Q1
3.2
3.2
PR_D10
D10
D2
Q2
3.2
3.2
D11
PR_D11
3.2
3.2
IC604
D3
Q3
3.2
3.2
PR_D12
TC7S32FU(TE85R)
D12
D4
Q4
5
4
3.2
3.2
PR_D13
IC604
D13
D5
Q5
3.2
3.2
D14
PR_D14
D6
Q6
OR GATE
R610
3.2
3.2
PR_D15
XX
D15
D7
Q7
1
2
3
3.2
GND
CK
C612
470p
X601
20MHz
C611
470p
R616
1M
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
C608
C603
470p
470p
0
2
PSENSON2
3.2
RESENSON
3.2
AVCC
3.2
VREF
R601
100
3.2
PSENS1
R604
100
0.2
PSENS2
R602
100
3.2
RESENS
R605
100
3.2
CSENS1
R603
100
3.2
CSENS2
0
TEMP
C619
XX
CH
0
12V/5
0
LFREF
AVSS
IC603
VSS
0
HD6432328A07TEZ
P_STAT3
IC603
0
P_STAT2
0
P_STAT1
PRINTER CONTROL
0
P_STAT0
0
P_BW/XCOL
0
POWERON
0
5VON
0
0
R607
MT_VOLTAGE1
R606
0
XX
MD0
R608
3.2
47k
MD1
R609
3.2
47k
MD2
3.2
UCAS
3.2
ETCC_CS
3.2
RAS
3.2
R653
0
ETCC_XRES
R654
0.6
XX
CS0
C604
470p
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
R611
L601
XX
0
FB603
C609
10u
C610
0.1u
6.3V
TA
A
4-51
9
10
11
12
Q601-604
LED DRIVE
0.1
2.1
Q602
Q604
2.1
RN1107F(TPL3)
RN1107F(TPL3)
2.1
0
0
3.2
0
Q603
RN1107F(TPL3)
PR_PSENS1
PR_PSENS2
PR_RESENS
PR_CSENS1
PR_CSENS2
TEMP_IN
R625
47k
R627
100k
TEMPON
R626
3.2
XX
RESENSON
DRAM,ETCC
PSENSON2
DD,SENSOR
PSENSON1
CSENSON2
70
69
68
67
66
65
64
63
62
61
1.6
CSENSON1
3.2
R651
XX
CS4
VSS
3.2
P_XSSET
STASET
0
R650
XX
SCK0
3.2
FWD
RXD1
3.2
R646
47k
R632
RXD0
47k
3.2
FWA
TXD1
0
R649
XX
TXD0
3.2
VCC
3.2
PR_D15
D15
3.2
PR_D14
D14
3.2
PR_D13
D13
3.2
PR_D12
D12
VSS
3.2
PR_D11
D11
3.2
PR_D10
D10
3.2
PR_D9
D9
3.2
PR_D8
D8
3.2
PR_D7
D7
3.2
PR_D6
D6
3.2
PR_D5
D5
3.2
PR_D4
D4
VSS
3.2
PR_D3
D3
3.2
PR_D2
D2
3.2
PR_D1
D1
3.2
PR_D0
D0
3.2
VCC
3.2
MT_VOLTAGE2
MT_VOLTAGE2
3.2
P_IEND
P_IEND
0.2
R648
XX
R628
47k
47k
R629
R630
47k
L602
FB602
0
13
14
15
16
CN802
1
3
5
7
9
11
PSENS2
13
LF3
15
CSENS1
LF2
17
POWERON
19
TEMP
MT_VOLTAGE1
21
PRINT_HEAD_DDCONT
23
P_MEND
25
P_LWR
27
P_RD
3.2
29
P_XRES
Q605
31
RN2107F(TPL3)
PR_D1
R661
TEMP ON SWITCH
33
10k
PR_D3
35
0
PR_D5
3.2
37
Q608
PR_D7
3.2
R660
RN2107F(TPL3)
100
39
0
PR_D9
3.2
41
PR_D11
Q606
43
PR_D13
RN2107F(TPL3)
R657
45
100
3.2
0
PR_D15
47
PR_A1
Q609
3.2
49
RN2107F(TPL3)
PR_A3
R656
51
0
180
PR_A5
3.2
PSENSLED1
53
LED_ON2
55
3.2
LED_ON4
Q607
RN2107F(TPL3)
57
R659
ETCC_XRES
100
1.6
59
3.2
61
MS_VCC
63
Q610
MS_BS
1.6
RN2107F(TPL3)
R658
65
100
1.6
CSENSLED1
MS_INSERT
67
MT_VOLTAGE2
69
71
Q606-610
KEY_AD5
LED DRIVE
73
MD2
75
MD1
77
79
PRINT_HEAD_DDCONT
KEY_AD5
IC605
GM71VS16163CLT-6TR
IC605
16M DRAM
C620
0.1u
3.2
MS_VCC
VCC
VSS
PR_D0
3.2
3.2
PR_D15
MS_BS
DQ1
DQ16
PR_D1
3.2
3.2
PR_D14
DQ2
DQ15
MS_DIO
PR_D2
3.2
3.2
PR_D13
MS_INSERT
DQ3
DQ14
PR_D3
3.2
3.2
PR_D12
MS_SCLK
DQ4
DQ13
3.2
VCC
VSS
MS_LED
PR_D4
3.2
3.2
PR_D11
DQ5
DQ12
PR_D10
PR_D5
3.2
3.2
DQ6
DQ11
3.2
PR_D6
3.2
PR_D9
DQ7
DQ10
3.2
3.2
PR_D8
PR_D7
DQ8
DQ9
NC
NC
R645
R644
47k
47k
R633
NC
NC
47k
3.2
P_LCAS
NC
XLCAS
3.2
3.2
P_HWR
P_UCAS
XWE
XUCAS
P_RAS
3.2
XRAS
XOE
PR_A12
3.2
3.2
PR_A10
A11
A9
3.2
3.2
PR_A11
PR_A9
A10
A8
PR_A1
3.2
3.2
PR_A8
A0
A7
3.2
3.2
PR_A7
SIGNAL PATH
PR_A2
A1
A6
PR_A3
3.2
3.2
PR_A6
A2
A5
PR_A4
3.2
3.2
PR_A5
A3
A4
3.2
VCC
VSS
C613
0.1u
REC
PB
4-52
17
18
19
20
PR-33 (1/2) BOARD
CN702
(THROUGH THE FP-163 FLEXIBLE)
(SEE PAGE 4-60)
80P
REG_GND
REG_GND
2
PSENS2
PSENS1
PSENS2
4
CSENS1
RESENS
CSENS1
6
TEMP
CSENS2
TEMP
8
PSENSLED1
RESENSLED
PSENSLED1
10
CSENSLED1
PSENSLED2
CSENSLED1
12
LF1
CSENSLED2
LF1
14
LF0
LF3
LF0
16
LFREF
LF2
LFREF
18
5VON
POWERON
5VON
20
12V/5
MT_VOLTAGE1
12V/5
22
P_ERDY
PRINT_HEAD_DDCONT
ERDY
24
ETCC_XCS
MEND
ETCC_XCS
26
P_HWR
LWR
HWR
28
P_CLKOUT
RD
CLKOUT
30
PR_D0
P_XRES
PR_D0
32
PR_D2
PR_D1
PR_D2
34
PR_D4
PR_D3
PR_D4
36
PR_D6
PR_D5
PR_D6
38
PR_D8
PR_D7
PR_D8
40
PR_D10
PR_D9
PR_D10
42
PR_D12
PR_D11
PR_D12
44
PR_D14
PR_D13
PR_D14
46
PR_A2
PR_D15
PR_A2
48
PR_A4
PR_A1
PR_A4
50
PR_A6
PR_A3
PR_A6
52
LED_ON1
PR_A5
LED_ON1
54
LED_ON3
LED_ON2
LED_ON3
56
P_COPEN
LED_ON4
P_COPEN
58
ETCC_XRES
REG_GND
60
REG_GND
REG_GND
62
MS_DIO
MS_VCC
MS_DIO
64
MS_SCLK
MS_BS
MS_SCLK
66
MS_LED
MS_INSERT
MS_LED
68
MT_VOLTAGE2
PC_D_3.1V
70
PC_D_3.1V
PC_D_3.1V
72
FWD
KEY_AD5
FWD
74
FWA
MD2
FWA
76
FWE
MD1
FWE
78
REG_GND
REG_GND
80
14
PRINT_HEAD_DDCONT
PC-78 BOARD (4/4)
KEY_AD5
MS_VCC
MS_BS
9
MS_DIO
PC-78 BOARD (1/4)
MS_INSERT
MS_SCLK
MS_LED
VIDEO SIGNAL
Y/CHROMA

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