Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio NV-VP21EC Viewing SGML_VIEW_DATA ALL NV-VP21EC SVC s_a4
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,17(5&211(&7,21 ',$*5$0 +
JK4902 JK4904 IC1401
Digital Optical Out
TUNER
P4001 P5001 P4002 P1501
01 LOADING M [-]
02 LOADING M [+]
CTL_HEAD+
CTL_HEAD-
A_HEAD_W
A_HEAD_R
01 F_ER_OUT
SP_COM
LP_COM
A_COM
02 F_ER_IN
GND_N
A_E_IN
SP_R
LP_R
SP_L
LP_L
AR
AL
01
04
07
01
02
04
06
03
05
06
05
09
03
02
08
M PS1301
TU7601
01 P2502
02 01 M1
UNREG_36V
DVD_P0N_H
UNREG-29V
UNREG14V
UNREG14V
P2901
UNREG6V
03
UNREG6V
02 M2
ADAC_5V
04
GND[M]
03 M3
05
GND
GND
HE+
04 COM
HE-
06 05 GND
07
01
02
03
04
05
08
11
07
06
10
13
09
12
06 PG-
07 PG+
CAPSTAN
PCB
01
11
02
03
04
05
13
12
08
07
06
10
09
CYLINDER
STATOR PCB P1001
P2501
08 08 M_GND
07 07 CAP_R/F
P0201 06 06 EC
05 05 TL
04 04 GND [FG]
03 03 FG
02 02 CAP_VM
01 01 REG_5V
VCR MECHANISM 19
18
19
18
VCOM
AUDI
17 17 A_GN
16 16 AUDI
15 15 A_MU
14 14 TRAY
13 13 TRAY
MAIN PCB 12 12 TRV_
11 11 TRAY
PS4301 10
09
10
09
CPU_
CPU_
08 08 CPU_
07 07 D_GN
06 06 B_OU
05 05 G_O
04 04 R_OU
03 03 V_GN
02 02 C_OU
01 01 Y_OU
PP6101
PS7501 PS7502
02 TRAY_SW(+)
01 TRAY_SW(-)
AV
KEY_GND
KEY_GND
FRONT_R
FRONT_V
FRONT_L
GND_AV
NSW5V
KEY 2
KEY 4
KEY 3
KEY 2
KEY 1
KEY 0
FIP DP7501
IR
05
07
09
08
06
01
10
03
04
01
02
03
05
04
02
06
01
05
04
03
02
06
05
07
09
08
06
01
10
03
04
02
PP4801 IR PP7501
FRONT JACK PCB FRONT SWITCH PCB
+
+
P1101
al Out
DVD MECHANISM
POWER PCB
01
05
02
03
06
04
PS1302 TERMINAL PCB
11 DVD_P0N_H
A_DIGITAL
12 UNREG6V
13 UNREG6V
ADAC_5V
A5V/D5V
GND[M]
GND[D]
GND[D]
GND[D]
GND[A]
D1.2V
D3.3V
M9V
01
08
05
09
11
07
02
10
03
06
04
01
05
03
04
02
06
01
11
13
12
08
09
05
11
07
02
10
03
06
04
TRV_INNER_SW
P8002
SPD_MOTOR+
TRV_MOTOR+
SPD_MOTOR-
TRV_MOTOR-
GND[FG2]
PS8003 OPTICAL
T+
F+
F-
26
25
24
26
25
24
PICK UP UNIT
T- 23 23
HFN 22 22
TA(DVD) 21 21
19 19 VCOM 20
TB(DVD) 20
18 18 AUDIO_L
TD(DVD) 19 19
17 17 A_GND
TC(DVD) 18 18
16 16 AUDIO_R FE2(DVD/CD) 17 17
15 15 A_MUTE FE1(DVD/CD) 16 16
GND 15 15
14 14 TRAY_MUTE
P8001 RFP 14 14
13 13 TRAY_DRV
13
12 TRV_I_SW RFN 13
12 12
TRAY/TRV PIN(DVD) 12
11 11 11
01
LD+(CD) 11
10
09
10
09
CPU_CLK
CPU_STAT P8003 GND(LD)
LD+(DVD)
10
09
10
09
08 08 CPU_CMD GND(OEIC) 08 08
07 D_GND VREF1 07 07
07 06
06 06 B_OUT VCC5V 06
SUB2 05 05
05 05 G_OUT 04
SUB1 04
04 04 R_OUT
PIN(CD) 03 03
03 03 V_GND SUBSEL 02 02
02 02 C_OUT GND(VRCD) 01 01
01 01 Y_OUT
01
AV DECODER PCB TRAY
OPEN
SWITCH
NV-VP21EC/EF/EP
NV-VP26EC
NV-VP31EC/EB/EBL/EP
POWER PCB
SCHEMATIC DIAGRAM
+
%/2&. ',$*5$0 +
32:(5 6833/< %/2&. ',$*5$0
FF REW REC T. REC
S4802 S4803 S4804 S4805
QUICK ERASE
S4813
CH_DN EJECT JET REW PLAY STOP
S4807 S4808 S4812 S4809 S4810
IR4801
IR RECEIVER
FRONT JACK PCB
AC POWER
SOCKET TRANSFORMER
P1101 L1121 D1140 T1150
F1101
3 PS1301 P1001
20
4 4
LINE FILTER
RECTIFIER
SURGE PS1301 P1001
19
KILLER 9,10 9,10
PS1301 P1001
13
7 7
PS1301 P1001
12
2 2
PS1301 P1001
11
1 1
15
Q1150, 1151, 1152, 1153 IC1390
LR1150
18 PS1302 PS8002
10 10
CONSTANT 5
VOLTAGE 6 17 PS1301
CONTROL IP1240 IC1340 12,13
7
IC PROTECTOR PS1302 PS8002
16
50V/0.25A 6 6
POWER SUPPLY PCB Q1200 IC1200
PHOTO SHUNT
1 2
COUPLER REG.
AV
PRIMARY SECONDARY
+
+
C POWER D_STOP D_PLAY
5 S4806 S7503 S7504
K ERASE
4813 FRONT SWITCH PCB
OPEN/CLOSE MUSIC_WITH_PIC AV_ENHANCER
S7506 S7501 S7508
STOP CH_UP
S4810 S4811
IC6101
IR4801
PP7501 PS7502 19 PA3
2 2
IR RECEIVER 1
PP7501 PS7502 20 PA4
3 3
PP4801 PS7501 16 PA0
10 10
PP4801 PS7501 17 PA1
9 9
PP4801 PS7501 18 PA2
8 8
PP4801 PS7501 IR 33 REMOCON
1 1
X6101
1 9 OSC2 SEG35 51
SEG35 60
SYSCON & SERVO 3 10 OSC1
P1001 IC6001
4 SEG1 96
P1001
9,10 P.FAIL L 78 P.FAIL L 26 RESET SEG34 63
P1001
7
P1001
2
P1001
1
PS8002
10
P1001
12,13
PS8002
6
1 5 38 46 55 59
SEG1
10G
1G
F-
F+
SEG34
AV-Decoder
FL(DP7501)
NV-VP21EC/EF/EP
NV-VP26EC
NV-VP31EC/EB/EBL/EP
POWER PCB
BLOCK DIAGRAM
+
9&5 /80,1$1&( &+520,1$1&( %/2&. ',$*5$0
+
IC4901
V IN
JK4904 [FROM OSD
3
V1 IN
36
JK4904
2
V3 IN
23
V1 OUT
34
JK4902
V2 OUT
26
V2 IN
28
V OUT TO YC
TU V IN
7
+
+
VIDEO OUT 5
2
3
Q6001
V IN
[FROM OSD]
20
V_OUT_TO_YC 6
EF / EP
Only NV-VP26/31
V OUT TO YC
18
NV-VP21EC/EF/EP
NV-VP26EC
NV-VP31EC/EB/EBL/EP
VCR LUMINANCE & CHROMINANCE 1/2
BLOCK DIAGRAM
+
+
5 VIDEO OUT
6 V_OUT_TO_YC
JK4801
7
AV3_V_IN
3 PB SECAM C
TO SYSCON
1 REC CHROMA
2 RF CHROMA
4 REC SECAM C
+
+
NV-VP21EC/EF/EP
NV-VP26EC
NV-VP31EC/EB/EBL/EP
VCR LUMINANCE & CHROMINANCE 2/2
BLOCK DIAGRAM
+
6(&$0 %/2&. ',$*5$0 02'(/ 1993()
+
1
2
TO
VCR LUMINANCE &
CHROMINANCE
3
4
17 TEST
BEP DELAY PB
4
21
FROM / TO
SYSCON
58
SERVO
24
IC6001
+
+
PB OUT REC OUT
4
NV-VP21EF
SECAM
BLOCK DIAGRAM
+
9&5 $8',2 %/2&. ',$*5$0
+
IC4501
JK4801
PP4801 PS7501 AV3 IN(R)
2
6 6
(R) PP4801 PS7501 AV3 IN(L)
5 5
(L)
53
FRONT JACK PCB
57
JK4904
AV1 R IN
IC4502 9
(R) 9
AV2 R IN
DVD R OUT 10
X1 X0
LINE OUT 13 12
(L) 6
AV1 R OUT X
14
AV1 L IN
DVD L OUT 14
JK4902 Z1 Z0
3 5
AV1 AV2 L IN
(R) AV1 R OUT 15
1
(L) Z
AV1 L OUT AV1 L OUT
3 4
(R) AV1 R IN
2
(L) AV1 L IN QR4501
6 9
51 SWITCH
DVD H 10 MUTE RCH
FROM 11
QR4902- E
QR4503
MUTE 52 SWITCH
Y0 LCH
DVD L/R MIX
1 2
AV2 Y
(R) 15
AV2 R OUT
1
(L)
AV2 L OUT
3
(R)
AV2 R IN
2
(L) 4
AV2 L IN
6 3
AV2 R OUT 1
AV2 L OUT
AV2 R IN 8
AV2 L IN
TU7601
TUNER 21 TUNER AUDIO OUT 13
NV-VP21EF IC7301
DEC R OUT
38 2
NICAM
DECODER
NV-VP26/31
DEC L OUT
IC3001
43 1
JK4904
MUTE
(R)
DVD OUT
8
1
(L)
5
R
AUDO R (OUT) TO A.HEAD(W)
P4002
98
REC
MUTE VCA
FROM EQ
DVD
PS8002 P4301 AC HEAD 4
16 16
AUDIO
BLOCK PS8002 P4301 P
DIAGRAM 18 18
AUDIO L (OUT)
AV FROM P4002 PRE th
MUTE
DECODER AC HEAD
A.HEAD(R)
3
96
AMP TRAP
CTL
PCB
I/O SECTION AUDIO/VIDEO SECTION
VHS MAIN PCB
+
+
MAIN SIGNAL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE
TO / FROM SYSCON
42 IIC CLK S
IIC BUS
INTERFACE
43 IIC DATA S
INPUT
SELECT
SWITCH
RCH
AGC
FROM SYSCON
&
SWITCH
VCO 45 FSC
INPUT F0
SELECT
SWITCH
LCH
FROM SYSCON
OUTPUT
SWITCH SELECT
RCH SWITCH
RCH
27 AUDIO H.SW
SWITCH
LCH
PNR RCH
FM MODULATOR/
OUTPUT DEMODULATOR
SELECT
SWITCH
LCH
LPF
LPF
FROM SYSCON
PNR LCH
BPF
PB60Hz H
30
QR4505
BPF
PREAMP
& 29
SWITCH
Hi-Fi
TW4501 AUDIO
HEAD
P5001
24
7 L
+ P5001
AGC 21
9
P5001 R
22
10
E 6 62
LPF
FM MODULATOR/
DEMODULATOR AGC
R &
SWITCH
NORMAL
2 61 SELECT
SWITCH
FROM SYSCON
P
MUTE
79 MUTE H
CTL
NV-VP21EC/EF/EP
NV-VP26EC
NV-VP31EC/EB/EBL/EP
MAIN PCB AUDIO
BLOCK DIAGRAM
+
6<6&21 6(592 %/2&. ',$*5$0
+
IC6001
(SYSTEM CONTROL/SERVO IC)
UNREG
14V
IC0201 (CAPSTAN MOTOR DRIVE)
VM P0201 P2501
CAPSTAN 19 P.FAIL L 78
2 TL2503
MOTOR
COILS
A1
15
P0201 P2501
11 CURRENT
A2 MOTOR DIFFERENTIAL TORQUE TL TL
16 9
A3 DRIVE AMPLIFIRE CONTROL AMP 5 LIMIT
17
22 H3- CAPSTAN IR 14
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