Panasonic Omnivision PV-4651, Руководство по обслуживанию

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REC LUMINANCE REC CHROMINANCE REC VIDEO PB LUMINANCE PB CHROMINANCE PB VIDEO REC AUDIO PB AUDIO
R3301
C3305
C3306
LINE
TUNER
AGC
AGC
DETECTOR
REC
PB
Y/C
MIX
CLAMP
AGC
LINE
TUNER
REC
AMP
PB
LINE
AMP
REC-ON
ART V/H
SYNC MIX
REC
PB
LPF
NON
LINEAR
DE-
EMPHASIS
PB
REC
CLAMP
GCA
DETECTOR
DOC SW
OFF
ON
GAIN
CTL
AMP
YNR
CLAMP
LPF
W/ CNR
W/O CNR
NON LINEAR
EMPHASIS
(LP/SLP)
/DETAIL
ENHANCER(SP)
REC
PB
CLAMP
MAIN
DE-
EMPHASIS
LPF
FM
DEMODULATOR
DOUBLE
LIMITER
1/2fH
SHIFT
MAIN
EMPHASIS
FM
MODULATOR
DOP
DETECTOR
ENVE
DETECTOR
VHS
S-VHS
ANR
REC
PB
REC
PB
COMB
FILTER
LPF
LP/SLP
SP
REC
PB
ACC
MAIN
CONV
BURST
UP
REC
PB
629kHz
LPF
DL
LP/SLP
SP
COLOR
KILLER
SW
C
Y Y/C
MIX
REC-
ON
PHASE
COMPENSATOR
AT ENVE
DETECTOR
COLOR
KILLER
SW
CNR
A.CNR
REC REC
PB PB
COLOR
KILLER
DETECTOR
VXO/XO APC
4.21MHz
BPF1/8
VCO 1/320
AFC
REC
PB
SIDE
LOCK
8MHz
TRAP
630kHz
TRAP
BURST
DOWN
3.58MHz
BPF
MUTE(H)
LPF
R3007,R3009,R3017
C3010,C3011,C3012
L3001,L3004
TP3002
(VIDEO/AUDIO PROCESS)
BUFFER
(FROM IC6001(5))
AUDIO MUTE(H)
(FROM IC6001(22))
V-LOCK PULSE
J3001
+5V
TP3001
VIDEO/NORMAL AUDIO BLOCK DIAGRAM
ENVE
DET
AMP
VIDEO SP
L HEAD
VIDEO SP
R HEAD
VIDEO
LP/SLP
L HEAD
VIDEO
LP/SLP
R HEAD
(FROM IC6001(98))
HEAD AMP SW
(FROM IC6001(21))
HEAD SW PULSE
(TO IC6001(99))
ENVELOPE DET
L
R
L
R
LP
/SLP
SP
LP
/SLP
SP
TP3501
P3503
1
P3503
2
P3503
3
P3503
6
P3503
5
P3503
4
P3501
19
P3001
19
P3001
20
P3501
20
P3501
17
P3001
17
P3501
18
P3501
13
P3001
13
P3501
15
P3001
15
(FROM IC6001(37))
VIDEO DELAY REC(H)
19
18
15
16
73
70
68
69
64
84
80 82 77 2
4
3
37
39
40
44
45
51
46
38
36 52 27 29 23 22
11 9 5 6
X3001
J3002
30
(FROM IC6001(97))
ROTARY SW
(TO IC6001(85))
ENVELOPE VOLTAGE
75
SP(L)
/LP(M)
/SLP(H)
(FROM IC6001(7))
LP/SLP(H)
(FROM IC6001(8))
SLP(H)
AMP
AMP
AMP
AMP
P3001
18
PB+5V
CTL
REC
PB
4
16
18
13
11
25
35
31
30
6
1
32
33
SW+12V
P3501
16
P3001
16
(FROM IC6001(6))
PB(L)
AMP
VIDEO
L HEAD
VIDEO
R HEAD
L
R
TP3501
P3503
1
P3503
2
P3503
3
P3001
20
P3501
20
P3501
17
P3001
17
P3501
13
P3001
13
P3501
15
P3001
15
AMP
AMP
PB+5V
CTL
REC
PB
6
10
19
16
4
1
P3501
16
P3001
16
SW+12V
CURRENT
AMP
2
9
CHARACTER
MIX
CHARACTER
GENERATOR
CONTROL
VIDEO
SIGNAL
GENERATOR
SYNC
SEPLPF
VCC
+5V
L/C
OSC
L3302,C3307
C3308
VIDEO OUT
(REAR JACK)
(FROM IC6001(18))
SERIAL DATA 0
(FROM IC6001(16))
SERIAL CLOCK
(FROM IC6001(27))
OSD-CS(L)
(FROM IC6001(44))
7.16MHz
11
10
7
6
17
2
15
24
13
9
VIDEO
AUDIO
VIDEO
AUDIO
17
5
1
J3401
J3004
13
12
15
1
2
11
10
14
TP3009
VIDEO IN1
(REAR JACK)
(FROM
IC6001(53))
INPUT
SELECT 2
PIN
7
P4201
7
P4203
26
Å1
AUDIO OUT
(REAR JACK)
TP4001
AUDIO IN1
(REAR JACK)
P4203
28
5
3
9
4
J4003
PIN
26
J4002
(FROM IC4201(52))
RF AUDIO
(TO IC4201(54))
NORMAL AUDIO
TUNER AUDIO
(FROM IC4201(62))
NORMAL AUDIO
+5V
PIN
28
REC-ON
SLP-ON
PB
AMP
SP/LP-ON
63
62
60
59
61
58
57
P6201
22
P2501
22
P6201
21
P2501
21
P1541
2
P1541
1
P2503
2
P2503
1
P6201
19
P2501
19
P6201
20
P2501
20
P1541
4
P1541
3
P2503
4
P2503
3
P3001
21
P3501
21
P3001
22
P3501
22
P3504
2
P3504
1
AUDIO
HEAD
AUDIO
ERASE
HEAD
FULL
ERASE
HEAD
BIAS
OSC
(55kHz)
25
AMP
CNR
PHASE
COMPENSATOR
R3225 R3224
CNR
GAIN
CNR
PHASE
11
12
CCD 1H
DELAY
LINE
CCD 1H
DELAY LINE
LPF
R3222,R3223
C3225,C3226
L3222
6
4
11 12
CCD 1H
DELAY
LINE
(FROM IC6001(44))
7.16MHz
7
S-VHS
/VHS
DETECTOR
S-VHS
PEAKING
AMP BUFFER
AIP
SW
(FROM IC6001(50))
AIP CTL SIGNAL
VHS
PEAKING
AMP
48
SUB
CONV
4 PHASE
ROTARY
INPUT SELECT 1
INPUT SELECT 2
MODE
SIGNAL
TUNER LINE1 LINE2
L L H H
L H H L
Å1:INPUT SELECT
SIMUL
CAST
+5V
MUTE
E
D
(FROM IC6001(52))
INPUT SELECT 1
12
Å1
LPF
R3002,R3010
C3001
(TO IC6001(76))
V-SYNC
b
a
B
k
j
d
e
f
g
k
d
e
13
79
SYNC
SEPARATION
P3503
9
P3503
8
P3503
7
P3503
6
P3503
5
P3503
4
AUDIO IN2
TP4002
72
56 55
(FROM IC6001(37))
VIDEO DELAY REC(H)
HEAD SW PULSE
GAIN
CTL
AMP
RF
AGC
GAIN
CTL
AMP
REC
PB
ACC
DETECTOR
SP/LP
SLP
h
i
49
PB(L)
(FROM IC6001(11))
VIDEO EE(H)
(FROM IC6001(12))
CUE/REV/SLOW/STILL(L)
1
c
EE(H)/VV(M)
CUE/REV/SLOW
/STILL(L)
R7007
INPUT
LEVEL
TP4003
C
(FROM IC6001(11))
VIDEO EE(H)
33
J6003
TP3011
REC-
OFF
VIDEO IN2
BEEPER (FROM IC6001(45))
(TO U9001(4))
VIDEO
(TO U9000(4))
(TO U9001(8))
TUNER AUDIO
(TO U9001(18))
VIDEO 18
(PV-4601 B)
AUDIO
14
(PV-4601 A, PV-4601-K,
PV-4651, PV-4651-K)
(PV-4601 B)
(PV-4601 A, PV-4601-K,
PV-4651, PV-4651-K)
16
UHF/VHF TUNER
/TV DEMODULATOR UNIT
UHF/VHF TUNER
/TV DEMODULATOR UNIT
(WITHOUT Hi-Fi AUDIO)
NOT USED
(WITH CM ADVANCE)
(WITH Hi-Fi AUDIO)
NOT USED
(WITH CM ADVANCE)
(WITHOUT CM
ADVANCE)
Q3001
(WITHOUT
FRONT A/V
JACK)
(WITHOUT
Hi-Fi AUDIO)
IC3001
IC3402
(WITH FRONT A/V JACK
/WITHOUT Hi-Fi AUDIO)
NOT USED
(WITHOUT
FRONT
A/V JACK)
(WITH FRONT A/V JACK) NOT USED
(WITH
Hi-Fi AUDIO)
IC3402
T4101,Q4101
NOT USED
(WITH CM ADVANCE)
V2
V1
CT2
AU2
AU1
CT5
AU4
AU3
CT7
Q4002
Q4003
Q4001
IC3001
V11
CT3
V10 V3
CT6
V9
Q3221
Q3222
(WITH CNR) NOT USED
(WITH CNR)
NOT USED
IC3221
IC3201
(WITHOUT
CNR)
V4
IC3201
V7 V8
IC3201
(WITHOUT CNR)
(WITHOUT
QUASI S-VHS)
NOT USED
(WITHOUT
QUASI S-VHS)
(WITH 4 HEAD)
(WITH AIP)
Q3101
Q3123
Q3121
NOT USED
(WITH QUASI S-VHS)
NOT USED
(WITH 2HEAD)
CT4
CT1
VIDEO HEAD AMP CIRCUIT
(FOR 4HEAD MODEL)
IC3501
(FOR 2HEAD MODEL) NOT USED
IC3501
(WITH
Hi-Fi AUDIO)
(WITHOUT
Hi-Fi AUDIO)
LPF
1/8