Hitachi DV-PF2U, Service Manual

Page: 77 / 97

4-2-1
CONTROL
HEAD 5 CTL(+)
6 CTL(-)
CL504
AC HEAD ASSEMBLY
MAIN CBA
KEY 2
PB-CTL
KEY 1
REC-CTL(+)
REC-SW
I2C-BUS-CLK
I2C-BUS-DATA
REC-CTL(-)
IC501
(SERVO/SYSTEM CONTROL)
(Y/C PROCESS)
20
19
54
25
9
73
72
9 23 19 18
CONTROL
AMP
IC301
TP303
CTL
(DECK ASSEMBLY)
Servo/System Control Block Diagram
BLOCK DIAGRAMS < VCR SECTION >
SERIAL-CLK
SERIAL-CLK
11
SW506
REC SW
TO VIDEO
BLOCK
DIAGRAM
TO AUDIO
BLOCK
DIAGRAM
TO Hi-Fi
AUDIO BLOCK
DIAGRAM
2 2 KEY 2
3 3 VCR LED
4 4 CAS-IN LED
5 5 TIMER LED
6 6 P-ON LED P-ON+5V
KEY
SWITCH
KEY SWITCH
TP502
S-INH
CN505
CN651
JACK CBA
CLOCK
DATA
TU701
11
12
TIMER LED
CAS-IN LED
VCR LED 89
92
87
85
REC LED 83
D655
VCR
D654
CAS
D653
TIMER
POWER
D656 REC
D652
LD-SW 74
REMOTE
REMOTE1
TO DVD
SYSTEM CONTROL
BLOCK DIAGRAM
<DVD SECTION>
1
AL+5V
10
REC LED 82
CAS-IN LED 88
TIMER LED 84
VCR LED 90
DVD-H 94
D589 DVD
DVD-H 93
DVD-L
D588 VCR
91 DVD-L
AL+5V
SW507
LD-SW
TP510
MODE-SW
AL+5V
D555
S-LED
A-MUTE
A-MUTE
13
SERIAL-DATA
SERIAL-DATA
12
Hi-Fi-H-SW
Hi-Fi-H-SW
18
Hi-Fi-CS
Hi-Fi-CS
8
Hi-Fi/NOR-IN
Hi-Fi/NOR-IN
65
D-REC-H
D-REC-H
62
D-PB-H
D-PB-H
61
OUTPUT SELECT
OUTPUT SELECT
100
INSEL/ST-SL
INSEL/ST-SL
7
C-SYNC
C-SYNC
21
D-V SYNC
D-V SYNC
33
V-ENV
V-ENV
70
C-ROTA
C-ROTA
15
RF-SW
RF-SW
17
TRICK-H
TRICK-H
47
SP/LP/SLP
SP/LP/SLP
45
BLUEBACK-ON
BLUEBACK-ON
66
H-A-SW
H-A-SW
16
H-A-COMP
H-A-COMP
14
ST/SAP-IN
ST/SAP-IN
67
A-MUTE
D-REC-H
D-PB-H
OUTPUT SELECT
M
LOADING
MOTOR
CYLINDER ASSEMBLY
DRUM
MOTOR
PG
SENSOR
CL502
C-FG
C-CONT
D-FG
D-PG
ST-S
T-REEL
C-F/R
RESET
PG-DELAY
END-S
53
52
55
51
75
68
49
34
48
71
LM-FWD/REV 59
D-CONT 56
T-REEL
T-REEL
ST-S
Q501
RESET
Q506
SW-POINT
AL+5V
VR501
TIMER+5V
TP506
END-S
TP507
TP505
AL+12V
AL+12V
P-ON+5V
M
1 C-F/R
2 AL+12V
3 AL+12V
4 P-ON+5V
5 GND
6 C-FG
7 C-CONT
8 GND
9 D-FG
10 LM-FWD/REV
11 D-CONT
12 D-PG
M
SENSOR CBA
SENSOR CBA
CAPSTAN MOTOR
END-S
ST-S
Q504
Q503
CAPSTAN
MOTOR