Hitachi DV-PF73U Service Manual page 68

2 WIRING DIAGRAMS
2-1 VCR Section
(DECK ASSEMBLY)
AC HEAD ASSEMBLY
AUDIO 1
ERASE HEAD
2
3
AUDIO HEAD
4
5
CONTROL HEAD
6
FE HEAD
FULL
ERASE HEAD
CAPSTAN MOTOR
M
LOADING
MOTOR
M
CAPSTAN
CYLINDER ASSEMBLY
MOTOR
PG
SENSOR
DRUM
M
MOTOR
VIDEO
(R)1
HEAD
VIDEO
(L)1
HEAD
VIDEO
(L)2
HEAD
VIDEO
(R)2
HEAD
Hi-Fi AUDIO
(R) HEAD
Hi-Fi AUDIO
(L) HEAD
FRONT
VIDEO AUDIO AUDIO S-VIDEO AUDIO
IN IN (R) IN (L) OUT OUT (R)
CL504
AE-H
AE-H/FE-H
A-COM
A-PB/REC
AL+44V
CTL(+)
P-DOWN-L
CTL(-)
AL+12V
GND
AL+5V
GND
AL-24V
CL501
NU
1 AE-H/FE-H
AL+2.35V
2 FE-H GND
GND
AL+4V
GND
GND
F1
CL502
F2
1 AL+12V
2 P-ON+5V
3 C-FG
4
C-F/R
5 C-CONT
6 GND
7 LM-FWD/REV
8 D-CONT
9 D-PFG
10 GND
11 AL+12V
12 AL+15V
CL253
1 V(R)-1
2 V-COM
3 V(L)-1
4 V(L)-2
5 V-COM
6 V(R)-2
7 Hi-Fi-A(R)
8 Hi-Fi-COM
9 Hi-Fi-A(L)
REAR
AUDIO VIDEO AUDIO AUDIO VIDEO
OUT (L) IN IN (R) IN (L) OUT
MAIN CBA
CN1003 CN1005 CL1004 CL1002
W001
1 1 1 1 AL+44V
2 2 2 2 P-DOWN-L
3 3 3 3 AL+12V
4 4 4 4 GND
5 5 5 5 AL+5V
6 6 6 6 GND
7 7 7 7 AL-24V
8 8 8 8 NU
9 9 CL1007 CL1006
W002
10 10 1 1 AL+2.35V
11 11 2 2 GND
12 3
12 3 AL+4V
13 13 4 4 GND
14 14 5 5 GND
15 15 6 6 F1
7 7 F2
JUNCTION CBA POWER SUPPLY CBA
SENSOR CBA
SENSOR CBA
CL2003 W003 CL2002
1 GND 1
DVD OPEN/CLOSE CBA
2 OPEN/CLOSE 2
CL509 W004 CL508
1 POWER-LED 1
FUNCTION CBA
2 KEY-1 2
3 GND 3
AUDIO AUDIO DIGITAL
VIDEO-Cr VIDEO-Y VIDEO-Cb
OUT (R) OUT (L) AUDIO OUT
DVD-P-ON+5V
DVD-P-ON+3.3V
OUT-SEL/SKIP-UP
REMOTE-DVD
AC CORD
DVD-A(L)-MUTE
DVD-A(R)-MUTE
ANT-IN
ANT-OUT
CN1001
1
EV+1.5V
2
EV+1.5V
EV+1.5V 3
EV+3.3V 4
EV+3.3V 5
6
GND
7
GND
8
GND
9
GND
TO DVD
10
GND
MAIN CBA
11
GND
CN401
GND 12
(W011)
13
EV+9V 14
15
EV+9V
16
FP-STB
17
18
FP-DIN
19
PWRCON
20
FP-CLK 21
22
CN1601
I/P-SW 1 TO WIRING
DIAGRAM
ASPECT(NU) 2
<DVD SECTION>
VODEO-Cr 3
GND 4
VIDEO-Cb 5
GND 6
VIDEO-Y 7
TO DVD
GND 8
MAIN CBA
VIDEO-C 9
CN601
10
GND
(W012)
11
GND
12
DVD-A-MUTE
DVD-A(L) 13
14
DVD-A(R) 15
16
AUDIO+5V 17
SPDIF 18
CN2001
PLAY 1
TO DVD
2
STOP
MAIN CBA
CN302
3
POWER
(W017)
4
OPEN/CLOSE
3