Gnd - Panasonic NV-HD642EE Service Manual

VIDEO MAIN SIGNAL PATH IN REC MODE
P :TO POWER SUPPLY/RF SECTION(Page:58)
S :TO SYSTEM CONTROL & SERVO SECTION(Page:60)
H
I :TO INPUT/OUTPUT SECTION(Page:64)
T :TO TIMER SECTION(Page:59)
P N.SW 12V
I VIDEO IN 2 A6
I VIDEO IN 1 A5
I TUNER VIDEO A4
S ART V/H/N A3
S C SYNC A2
A1
G
P4003
(TO A/C HEAD)
AUDIO ERASE IN 1

GND

2
A.HEAD(R) 3 B1
A.HEAD(W) 4 B2
CTL HEAD(-) 5
CTL HEAD(+) 6
(HD642)
S CTL HEAD(+)
S CTL HEAD(-)
L
S SHORT DET
F
(HD642)
P4002
(TO FULL ERASE HEAD)
FULL ERASE OUT 1
FULL ERASE IN 2
(HD647)
S BIAS H
S FULL ERASE H
S D.A.REC H B3
E
I 25Hz C1
I RFB OFF H C2
I CPB H C3
I AV1 PB H C4
I PROG H C5
I VA C6
I PROJ 50 C7
I TV H C8
I DEA C9
I DEB C10
T SAT IR C11
S SYS BUS TLK C12
S SYS BUS CLK C13
L
S OSD/FIP CS C14
S SYS BUS LSN C15
T P.FAIL L C16
D
P I VIDEO OUT C17
P I OSD IIC CLOCK
P I OSD IIC DATA
PK7701
25Hz 1 C1
RGB OFF H 2 C2
CPB H 3 C3
AV1 PB H 4 C4
PROG H 5 C5
MODE 6
VA 7 C6
OSD IIC DATA 8
C
OSD IIC CLOCK 9
GND 10
PROJ 50 11 C7
GND 12
TV H 13 C8
DEA 14 C9
DEB 15 C10
PK7702
1
SAT IR 2 C11
SYS BUS TLK 3 C12
GND 4
B
SYS BUS CLK 5 C13
OSD CS 6 C14
SYS BUS LSN 7 C15
P.FAIL L 8 C16
OSD 5V 9
N.SW 5V 10
FSC 11 B4
12
VIDEO IN 13
GND 14
VIDEO OUT 15 C17
P BIAS 5V
A
P N.SW 5V
P OSD 5V
P REG 12.3V
1 2
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
T4002
EQQ7QF024P:HD642
R4060
EQQ7QF026P:HD647
8200:HD642 C4070
10K:HD647 220P
3 4
(HD647)
0.4
2
C4068 (4.7)
R4061
0.022:
0.3
3300 Q4007
HD642
(-0.6)
0.15: 1 6 2SD602A
HD647
(OSC)
C4074
1500P:HD642
4700P:HD647
L4007
C4072 C4073
68u
0.4
6V220 0.022
(4.9)
5.4
Q4006
(4.3)
2SB710
(AUDIO ERASE DRIVE)
R4062 C4075 R4063
2700 10V22 3300 5.0
5.5(0)
0
QR4004
(4.8)
MUN2212
(BIAS H :ON)
T4001
EQQ7QF025P
3 4
0.3
2
(4.8)
R4064
C4076 0.3
Q4005
6800
0.022
(-1.1)
1 6 2SD602A
(OSC)
C4079
2200P
C4078
0.022
L4006
68u
0.3
(5.0)
5.4
Q4004
(4.3)
MSB710
C4077
(FULL ERASE
6V47
R4065 C4080 R4066
DRIVE)
4700 10V22 6800
5.0
5.5(0)
0
QR4003
(4.8)
D4001
MUN2212
1SS254
(FULL ERASE H :ON)
R7802
47K
R7803
100
C7803 C7804
6V47 0.1
5.0 5.0 4.8 4.7
8 7 6 5
VCC MODE SCL SDA
IC7801
M24C16-WBN6
PRE PBO PBI VSS
1 2 3 4
3 4 5
AUDIO MAIN SIGNAL PATH IN REC MODE
C4037 R4045
2700P 6800
C4034 C4035
16V47 0.1
C4062 R4044
0.1 82K
C4038
16V47
3.9 3.9 3.9
33 32 31
3.6
34 LPF-PNR(R CH)
12.0
35 VCC
TW4501
BPF
C4031
0.01 MODEM
1.4
B5 36
TL4502
R4057 C4033
0 0.01
1.9
37 BPF
MODEM
R4056 C4049 R4058
1200 220P 390 C4030
0.1
5.1
38 V5 OUT
TW4502
C4032
100P
(HD647) 3.1
B6 39
ENVELOPE
Hi-Fi DET.
B7
2.0
(0)
R4042
40 D.O.C
10K
R4041
220
3.1
B8 41
MUTE CTL
IIC BUS
SELECT SW CTL
R4040
INTERFACE
VOLUME CTL
220
3.2
B9 42
REC LEVEL
CONTROL
43 D GND
SAP
3.8
44
TU(L) TU(R)
1 2 3
IC4001 3.8 3.8 3.8
TDA9615H
C4026
C4027
50V
50V0.47
0.47
N N
C4047 R4037 R4036
16V10 2200 6800
4 3 2 1
VSS
-
+
IC4002
NJM4558M
+
-
VCC
5 6 7 8
R4067
6800
R4038 R4069
R4068
150K 150K
2200
C4048 C4045 C4046
16V10 0.01 16V10
R4039 R4070
150K 150K
B10 B11
6 7
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
R4047
C4043
6800 2700P
R4048 C4008
82K 0.1
C4039 C4040 R4046 C4041 C4042
16V10 50V2.2 39K 16V10 16V47
0.8 3.9 3.8 0.8 3.9 3.9 3.9
30 29 28 27 26 25 24 23
V REF. I REF. A GND
LPF-PNR(L CH) 22
21
TU(L)
+
TU(R)
NORMAL
SELECT 20
SWITCH
E2(L)
+
E2(R)
19
MIX TU(L),(R)
DECODER
AMP
E1(L),(R) SELECT
SWITCH
SAP
18
MUTE
OUTPUT
SELECT + 17
SWITCH
16
LINE
SELECT
SWITCH
15
E2(L),(R)
MUTE
14
MUTE
13
NOR DUB
INPUT SELECT SWITCH 12
E1(L) E1(R) E2(L) E2(R)
4 5 6 7 8 9 10 11
3.8 3.8 3.8 3.8 3.8 3.8 3.8 0
C4025 C4024 C4023 C4022 C4021 C4020
R4055 C4061
50V 50V 50V 50V 50V 50V
3.3M 16V10
0.22 0.22 0.22 0.22 0.22 0.22
R4030 R4028 R4026 R4024 R4022 R4020
100 100 100 100 100 100
(HD647)
R4071
10K:HD642
22K:HD647
0
(4.7)
B12 B13 B14 B15 B16 B17 B3
8 9
QR4002
0
MUN2113
QR4001 (BUFFER)
0.3
UN2217
0
(MUTE)
3.6
C4050
50V0.22
3.8
C4051 R4043
16V10 22K
4.6
C4052 R4050
16V10 47K
6.1
C4053 R4051
16V10 47K
6.1
R4052
47K
0
C4054
16V10 0
6.1
B18
0.3
C4055
16V10
6.1
QR4008
B19
UN2215
(MUTE)
R4053
47K
0
R4054
47K 0
0
0.3
C4060
16V10
3.9
B20 QR4007
UN2215
(MUTE)
R4049
47K
0(5.0)
R4007
4700 Q4001
2SD1149
0.7
(PB:ON)
(-24.8)
0
(-15.4)
R4008
220 Q4002
2SD601A
0.7
(PB:ON)
(-24.8)
5.1
(-24.6)
QR4006
MUN2111
(D.A.REC H :OFF)
5.1
B2 B21 B22 B23
10 11 12