Panasonic PV20DF25 - MONITOR/DVD COMBO, Service Manual

Page: 32 / 87

8.2. MAIN SCHEMATIC DIAGRAMS
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
PV-20DF25/PV-20DF25-K/PV-27DF25/PV-27DF25-K/PV-27DF5
COMPARISON CHART
OF MODELS & MARKS
PV-20DF25
PV-20DF25-K
PV-27DF25
PV-27DF25-K
PV-27DF5
Not Used
A
B
C
D
E
PT
MODEL MARK
MAIN I SCHEMATIC DIAGRAM
LINK TO VOLTAGE CHART
CH DOWN
CH UP
OPEN
/CLOSE
DVD
PLAY DVD
STOP
SKIP
+
VOLUME
DOWN
VOLUME
UP
-----
-----
POWER
TERMINAL
VOLTAGE
OPERATION
BUTTON
KEY MATRIX (SW6301~SW6304, SW6307~SW6309, SW6316~SW6318)
SKIP
1.2V 1.2V 0.4V 2.1V 2.1V 3.0V 0V 0.4V
LSJB2220
MAIN I SCHEMATIC DIAGRAM
LINK TO I/O CHART
I/O CHART OF IC6001
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
COMPARISON CHART
OF MODELS & MARKS
PV-20DF25
PV-20DF25-K
PV-27DF25
PV-27DF25-K
PV-27DF5
Not Used
A
B
C
D
E
PT
MODEL MARK Pin No. I/O
1
Description
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
Signal Name
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
-
-
-
-
-
-
-
I
I
I
-
I
I
-
-
-
-
-
O
-
I
-
-
O
-
-
-
-
-
-
O
O
O
O
O
-
-
-
I
-
I
I
I
O
-
O
I
I
O
-
O
O
-
-
I
-
I
-
-
I
-
I
I
O
O
O
O
O
O
I
I
O
O
O
O
I/O
-
-
-
-
I
O
O
O
-
-
-
-
-
-
-
I
I
I
KEY_0
KEY_1
KEY_2
OPT
SOS_L
DTS_AFC
S_PHOTO
T_PHOTO
TR_ENV
MTS_MODE
TL
VCH_MUTE_H
V_L_PLS
IR
ANGLE_LED
SLEEP_LED
ON_T_LED
HSW
HF_HSW
V_D_REC_H
CRSS_L
DEFEAT_H
TNR/LINE
DVD_H/REC_L
V_MUTE_2_L
F_LINE2/R_LINE1
H_RDY_L
A_MUTE_H
V_MUTE_H
POS_4
POS_3
POS_2
POS_1
RST_L
S_TAB_L
D_RDY_L
DVDD
X_IN
X_OUT
DVSS
TV_P_ON_H
IIC_JIG_L
12M_START_H
LC_OSC_IN
LC_OSC_OUT
NUB
DEGAUSS_H
DVD_PON_H
VSS_OSD
(no_use)
LINE_SD_L
(CV_OUT)
VDD_OSD
HLF
V_HOLD
CV_IN(EDS)
NUA
OSD_H
OSD_V
BLK_H
SP_MUTE_H
B
G
R
H_DAT_OUT
D_DAT_IN
D_SCK
D_RST_L
TNR_H
COMPO_H
IIC_CLK
IIC_DAT
TNR/YCA//(750KHz)
CAP_F/R
A_DVD_H
CAP_EC_PWM
CYL_EC_PWM
P_DOWN_L
A_CTL_A
A_CTL_B
P_ON_H
UNLD_H
LOAD_H
EX_FF/REW_L
TNR_LOCK_L
C_FG_OUT
C_FG_IN
AVSS_AMP
TNR_SD_L
Y_PFG_IN
V_REF_OUT
V_REF_IN
HF_PLAY_H
CTL-
CTL+
CTL_AMP_REF
CTL_OUT
AVDD_AMP
AVDD_AD
OVER_CUR_H
KEY DATA 0
KEY DATA 1
KEY DATA 2
NOT USED
ABNORMAL VOLTAGE DETECTION(L)
TUNER AFC
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
V-CHIP MUTE(H)
NOT USED
IR-DATA
NOT USED
NOT USED
ON TIMER LED ON(L)
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
VIDEO MUTE2(L)
LINE1(L)/LINE2(H)
HOST READY(L)
AUDIO MUTE(H)
VIDEO MUTE(H)
NOT USED
NOT USED
NOT USED
NOT USED
RESET(L)
NOT USED
DVD READY(L)
VDD(+5V)
12MHz OSCILLATOR
12MHz OSCILLATOR
GROUND
TV POWER ON(H)
NOT USED
12MHz CLOCK START(H)
LC OSCILLATOR
LC OSCILLATOR
NOT USED
DEGAUSSING ON(H)
DVD POWER ON(H)
GROUND
NOT USED
TV SIGNAL(L)
NOT USED
VDD (+5V)
NOT USED
NOT USED
COMPOSITE VIDEO
NOT USED
OSD H-SYNC
OSD V-SYNC
BLANKING PULSE
SPEAKER MUTE(H)
OSD-B
OSD-G
OSD-R
DVD SERIAL DATA 0
DVD SERIAL DATA 1
DVD SERIAL CLOCK
DVD RESET(L)
TUNER(H)/LINE(L)
COMPOSITE(H)
I2C SERIAL CLOCK
I2C SERIAL DATA
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
POWER DOWN(L)
AUDIO SW CONTROL A
AUDIO SW CONTROL B
POWER ON(H)
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
GROUND
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
VDD (+5V)
VDD (+5V)
OVER CURRENT DETECT(H)
-
-
-
-
-
-
100P[JC]
C6032
*
WA5
L6001
IC6005
C0EBJ0000080
4 5 6
1 2 3
D
VD_SCK
PT
R6403
COMPOSITE_H IIC_D
AT
A
PT
R6015
1500
R6120
11K[F]
R6316
22P[JC]
C6002
OSD_B
2200
R6054
2SD601A0L
Q6003
PT
R6116
MA2C165001VT
D6006
47/6.3V
C6008
L6406
0
3300[F]
R6302
PT
C6034
LSSK0065
IC6004
1 2 3 4
5 6 7 8
2200
R6064
10K
R6115
L6405
0
V_PULSE
PT
R6124
TP6007
PT
EVQ21405R
SW6302
WA7.5
TP6009
1K
R6039
J6401
WA5
IIC_CLK
82P C6408
R6129
22K
4700 R6514
22K
R6112
2SB0709A0L
Q6005
HOST_D
AT
A
0.1
C6010
H_RD
Y
PT
C6009
2200
R6062
EVQ21405R
SW6308
IC6001
C2CBHG000160
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
26 27 28 29 30
76 77 78 79 80
PT
C6026
2200
R6063
TP6013
TP6101
PT
22K R6043
PT C6411
100/6.3V
C6007
TP6106
PT
5600[F]
R6303
1000P[KB]
C6405
3300
R6119
H0A120500003
X6001
TV_POWER_ON_H
4700 R6512
4R7M
R6118
V_MUTE_H
D_RST_L
PT C6412
A
UDIO_MUTE_H
PT
R6016
0.01
C6005
47K R6123
0.01
C6030
EVQ21405R
SW6303
1M
R6086
PT
C6004
0.033[KB] C6404
PT
C6011
2200[F]
R6301
2200 R6513
H_PULSE_INV
D_RDY
PT
Q6004
LINE_SD_L
CC_VIDEO
PT
R6404
VO
B
18K
R6113
DEGAUSS_H
PT R6402
L6404
0
*
4R7U
L6402
560P[JC]
C6406
*
100U
L6401
R6130
2200
EVQ21405R
SW6307
V_CHIP_MUTE_H
SW+5V_VIDEO
330/6.3V
C6001
PT
C6035
OSD_R
220
R6122
3300
R6034
4700 R6511
R6317
11K[F]
1K
R6060
TP6111
PT
470
R6017
PT
C6033
18P[JC]
C6003
1M
R6401
390
R6114
100/6.3V
C6402
TP6104
PT
L6403
0
220
R6121
PT
C6031
0.1
C6401
2SD601A0L
Q6006
MA2C165001VT
D6004
PT C6413
0.01
C6016
*
56
R6117
10K R6078
TNR_H
WA7.5
TP6008
PT C6414
100P[JC]
C6409
PT
R6174
0.1[KB]
C6006
PT
TP6099
470
R6056
PT
C6027
OSD_G
EVQ21405R
SW6301
D
VD_D
AT
A
1K
R6006
100
R6012
0
R6014
PT
R6022
PT
R6023
1K
R6025
1K
R6026
1K
R6027
1K
R6028
1K
R6029
1K R6041
1K R6042
1K R6047
1K R6048
1K R6051
1K
R6058
1K
R6059
PT
R6061
560
R6065
560
R6066
1K
R6067
1K
R6068
1K
R6069
1K
R6070
0
R6071
100
R6072
2200[F]
R6306
3300[F]
R6307
3300[F]
R6312
22K
R6036
MA2C165001VT
D6005
1K R6081
10K R6085
PT
C6012
R6318
11K[F]
10K R6089
R6517
22K
1000P[KB]
C6403
MA2C165001VT
D6003
R6098 PT
100/6.3V C6036
PT
R6520
PT
R6519
J6001
PT
J6002
WA5
2200[F]
R6311
MA2C165001VT
D6009
R_TNR_AFC
5600[F] R6313
EVQ21405R
SW6318
1K R6080
1K R6079
D6002 MA2C165001VT
D6008 PT
R_OUT
P6001
1
IIC_CLK
2
IIC_D
AT
A
3
IIC_JIG_L
4
GND
5
R_OUT_ADJ
D6007 PT
ESD_GND
V_MUTE_2_L
F_LINE2/R_LINE1
5600
R6518
0.1[KB] C6407
2200
R6515
R6095
10K
10K
R6093
1K R6090
10K
R6035
PT
R6073
D6010
MA2C165001VT
R6408
PT
0
R6522
100
R6516
EVQ21405R
SW6309
DVD_POWER_ON_H
POWER_ON_H
UNSW+5V_SYSCON
PT
D6011
47K
R6175
10K R6005
PT
C6105
IIC_GND
P6301
7
6
5
4
3
2
1
PT
R6050
0.01
C6037
A_CTL_A
OVER_CURRENT_H
SOS_L
A_CTL_B
SD
A
DVD
VSS
P_ON_H
TTL
POWER
DVSS
TTL
P_DO
WN_L
CH_UP
CAP_F/R
OPT
MTS_MODE
VDD_OSD
C_FG_IN
A_CTL_A NU
A
POS_4 KEY_2
AVDD_AD
CH_DOWN
V_REF_IN
AVSS_AMP
AVDD_AMP
WP
CTL_OUT
TNR/YCA//(750KHz)
SKIP-
POS_1
S_TAB_L
LC_OSC_IN
X_OUT
CTL+
LC_OSC_OUT
V_D_REC_H
OVER_CUR_H
EX_FF/REW_L
NUB
RST_L
LOAD_H
V_HOLD
C_FG_OUT
12MHz
SKIP+
B
UNLD_H
OSD_V
KEY_0
A2
VSS_OSD
TTL
T_PHO
TO
R
V_REF_OUT
A1
D_RST_L CV_IN(EDS)
TL
HSW
POS_2
CTL-
D_D
AT_IN
IIC_CLK
X_IN
BLK_H
SLEEP_LED ANGLE_LED
12M_START_H
SCL
S_PHO
TO
CYL_EC_PWM HLF COMPO_H
SOS_L
A_MUTE_H
VOL +
V_L_PLS
OSD_H
VOL -
H_D
AT_OUT
G
IR
TR_ENV
A0
CAP_EC_PWM D_SCK
DTS_AFC
HF_HSW
A_CTL_B IIC_D
AT
VDD
CTL_AMP_REF
ON_T_LED
(1/4W)
KEY_1
[2Kb]
Y_PFG_IN
POS_3
DVDD
DEGAUSS_H
DVD_PON_H
TV_P_ON_H
IIC_JIG_L
HF_PLAY_H
SP_MUTE_H
TNR_H
VCH_MUTE_H
CRSS_L
DEFEA
T_H
F_LINE2/R_LINE1
V_MUTE_2_L
V_MUTE_H
H_RD
Y_L
LINE_SD_L (CV_OUT)
D_RDY_L
A_D
VD_H
TNR/LINE
(no use)
(NO CONNECTION)
TNR_SD_L
TNR_LOCK_L
UNSW+5V_SYS
KEY_IN_2
IR
KEI_IN_01
KEY_IN_0
ON_T_LED
GND
[1/10W]
(RESET)
SWITCHING
POWER ON-ON
SWITCHING
POWER ON-ON
SWITCHING
POWER ON-ON
1 TO M II
TO M III,M IV 2
TO M IV 3
TO M IV 4
TO M II 5
TO M IV 6
TO M V 7
TO M V 8
TO
M II,M III
9
10
TO
M II
11
TO
M III
12
TO
M II,M III
13
TO
M II,M III
P6001 IS USED FOR ADJ0STMENT AT
F
A
CT
OR
Y ONL
Y
14
TO
M II
15
TO
M II
16
TO
M II
17
TO
M II
18
TO
M II
19
TO
M II
20
TO
M II
21
TO
M II
22
TO
M II
23
TO
M II
24
TO
M II
25
TO
M II
26
TO
M II
(EEPROM)
SYSTEM CONTROL/OSD/CCV
MICROCONTOROLLER
TO M III 27
TO M III 28
TO M II 29
TO M II 30
31
TO
M III
TO
M III
32
TO
M II
33
TO
M II
34
TO
M II
35
TO
M III
36
TO
M II
37
IC6001
RESET
D
VD_H/REC_L
TO OPERATION
C.B.A.P6302
RESET
LSSK0066 A,B
C,D,E
PV-20DF25 / PV-27DF25 / PV-27DF5 / PV-20DF25-K / PV-27DF25- K
32