Panasonic DMR-EZ47VEB Service Manual ▷ View online
11.5. Analog Audio Block Diagram
DEC AUD L
DEC AUD R
TO/FROM
BACK END P.C.B.
BACK END P.C.B.
PS90002 P7401
2
1
P7401
PS90002
IF OUT [-]
IF OUT [+]
IFD_OUT2 19
IFD_OUT1 18
G_TUIFOUT2
G_TUIFOUT1
VCR_R_IN
VCR_L_IN
59
TU2 A LIN
TU2 A RIN
51
55
63
SCL 9
SDA 10
I2C_CLK
I2C_DATA
DMR-EZ47VEB
Analog Audio Block Diagram
Analog Audio Block Diagram
OUT
(SA4L)
SELECT SWITCH
OUTPUT
AV2
(DECODER/EXT)
(TV)
AV1
1.0V
5V
2.3V
:PB SIGNAL
:REC SIGNAL
IEC OUT
1
(DIGITAL AUDIO OUT)
OPTICAL
IC9700
P.C.B.
DIGITAL
FROM
P59001
P9703
44
AADC_L
AADC_R
AUDIO OUT Ch1(L)
AUDIO OUT Ch2(R)
MIX L OUT2
MIX R OUT2
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
REAR JACK
JK4901
DVD_R_OUT
DVD_L_OUT
1
2
3
P.C.B.
DIGITAL
TO
TO/FROM
SYSTEM
CONTROL &
SERVO SECTION
SYSTEM
CONTROL &
SERVO SECTION
P9703
31
P59001
P9703
P59001
29
(DECEODER/EXT)
AV2
1
3
(TV)
AV1
3
1
21 PIN JACK
JK3901
LOGIC
IIC BUS
SDA
89
88
SCL
IIC DATA
IIC CLK
71
AV1 Lch
78
ADC Lch
73
AV2 Lch
74
AV2 Rch
79
ADC Rch
AV1 Rch
72
LPF
BUFF.
MUTE
AGC
AMP
ADC Lch
LPF
BUFF.
MUTE
LPF
BUFF.
MUTE
d
c
b
a
MUTE
BUFF.
LPF
AMP
ADC Rch
AGC
MIX
+
VCA
MUTE
U/V TUNER
TU7801
RF OUT
76
TUN Lch
62
54
TUN Rch
OPEN
OPEN
(SA18L)
BUFF.
e
d
c
b
a
(SA1L)
e
d
c
b
a
(SA3L)
e
d
c
b
a
(SA2L)
58
AV3 Lch
(FRONT)
AV3
FRONT INPUT JACK
JK4801
AUDIO
(Lch/MONO)
LINE
(Rch)
LINE
4
5
1
2
3
d
c
b
a
(SA4R)
SELECT SWITCH
OUTPUT
AV3 Rch
50
(SA18R)
BUFF.
e
d
c
b
a
(SA2R)
AUDIO IN ch1(L)
AUDIO IN ch2(R)
AUDIO IN ch1(L)
AUDIO IN ch2(R)
21 PIN JACK
JK3901
6
2
6
2
AV2 Lch
61
AV2 Rch
53
AV1 Lch
AV1 Rch
DAC Lch
DAC Rch
60
52
e
d
c
b
a
(SA3R)
e
d
c
b
a
(SA1R)
(A/V SIGNAL PROCESSOR)
IC3901
64
56
Q9301
D9302
Q9302
MUTE
MUTE
D4950
Q4950
Q4951
MUTE
MUTE
(BUFFER)
IC9302
6
7
1
2
MIX L OUT DM
MIX R OUT DM
P.C.B.
DIGITAL
FROM
P59001
P9703
39
41
P9703
P59001
XDMUTE
Q9101
DRIVE
XDMUTE
(AUDIO MUTE DRIVE)
QR9301
FROM
D-IF/TIMER
SECTION
D-IF/TIMER
SECTION
65
IC9701-
XTMUTE
DIG. INTERFACE P.C.B.
OPEN
AV4
TUN
AV4
TUN
(SA17L)
(SA17R)
P59001
P9703
27
P9103
P6003
23
PRI_MUTE
P9103
P6003
19
P9103
P6003
20
P9103
P6003
22
P9103
P6003
17
MAIN P.C.B.
PP4801 PS6002
7
PP4801 PS6002
5
FRONT JACK P.C.B.
DIG. INTERFACE P.C.B.
F_INPUT_R
F_INPUT_L
PS90002 P7401
11
PS90002 P7401
9
VHS_OUT_R
VHS_OUT_L
MUTE
FM MUTE H
FROM
SYSTEM
CONTROL &
SERVO SECTION
SYSTEM
CONTROL &
SERVO SECTION
IC6001- 25
IC6001-
,
71 IC3001- 73
IC6001-
,
72 IC3001- 74
QR4911
MUTE
QR4913
MUTE
QR4912
P6003
13
P9103
P6003
P9103
15
MIX_R_OUT_DM
MIX_L_OUT_DM
F
E
D
C
B
A
IIC_CLK
IIC_DATA
AADC_L
AADC_R
H
G
DMR-EZ47VEB
53
DMR-EZ47VEB
Analog Audio Block Diagram
Analog Audio Block Diagram
:PB SIGNAL
:REC SIGNAL
9
8
P3001
P3001
7
P3001
HEAD
AUDIO
Hi-Fi
R
L
8
13
SW NOISE
SW NOISE
TIMING
HOLD
FSC
MUTE CTL 36
43
42
64
15
10
14
63
9
22
24
29
27
21
30
57
53
62
61
45
INTERFACE
IIC BUS
SWITCH
PREAMP &
AGC
SWITCH
&
AGC
+
LPF
DEMODULATOR
FM MODULATOR/
BPF
BPF
LPF
DEMODULATOR
FM MODULATOR/
PNR L CH
PNR R CH
SWITCH
&
AGC
LCH
SWITCH
SELECT
INPUT
L CH
SWITCH
SELECT
OUTPUT
R CH
SWITCH
SELECT
OUTPUT
SWITCH
SELECT
NORMAL
RCH
SWITCH
SELECT
INPUT
F
E
D
C
B
A
OPEN
AADC_L
AADC_R
OPEN
MIX_R_OUT_DM
MIX_L_OUT_DM
OPEN
OPEN
IIC_CLK
IIC_DATA
EXT1IN (Rch)
EXT1IN (Lch)
EXT2IN (Rch)
EXT2IN (Lch)
CLK
DATA
NORMAL OUT
NORMAL IN
LINE OUT (Rch)
LINE OUT (Lch)
FM IN
COMMON
AUDIO FF
HA OUT
P/R term1
P/R term2
(VHS AUDIO SIGNAL PROCESSOR)
IC4501
2
NORMAL_TO_YC
R
P
VCA
REC
EQ
EQ
6
NORMAL_FROM_YC
98
fh
TRAP
TRAP
PRE
AMP
AMP
96
(VHS AV SIGNAL PROCESSOR)
IC3001
4
P4002
A.HEAD [W]
3
P4002
A.HEAD [R]
H
G
VHS_OUT_R
VHS_OUT_L
VHS_OUT_R
VHS_OUT_L
VHS_OUT_R
VHS_OUT_L
FM MUTE H
A H SW
IC6001- 19
IC6001- 25
TW4502
PB FM ENV
AL
AR
TW4501
FROM
SYSTEM
CONTROL &
SERVO
SECTION
SYSTEM
CONTROL &
SERVO
SECTION
FM MIX OUT
A_COM
FSC
Q3002- E
TO/FROM
A/C HEAD
A/C HEAD
FROM
ANALOG
VIDEO
SECTION
ANALOG
VIDEO
SECTION
DMR-EZ47VEB
54
11.6. D-IF/Timer Block Diagram
DMR-EZ47VEB
D-IF/Timer
Block Diagram
D-IF/Timer
Block Diagram
45
PS9702 PP7502
12
9
FL _CS[L]
8
7
DIN
CLK
STB
PP7502
PP7502
PS9702
6
PS9702
4
D7502
DVD
D7504
D7503
VHS
QR7502
QR7504
QR7503
4
PP7501
PS9701
PP7501
PS9701
3
PS9701 PP7501
2
86
87
88
36
GR7
DP7501
1
45 F+
F
PP7502
1
PP7502
3
PS9702
PS9702
FL DRIVE P.C.B.
FL_CLK
D
VD_SEL_LED
7
71
6
68
5
69
FL_RXD
DUB_LED
FL_TXD
VHS_SEL_LED
KEY_IN1
KEY_IN2
KEY_IN3
73
PFAIL_L
1
2
3
AD +5V
IC 9701
(D-IF/TIMER MICROPROCESSOR)
IC 9703
SYS_PFAIL_H 74
INV.
QR9701
3
2
1
IC 9702
D +3.3V
FROM POWER
PP7502
PS9702
7
PP7502
11
94
95
(LPF)
X9701
X9702
10
11
13
15
32.768KHZ IN
LP3
LP4
32.768K-HZ OUT
XOUT10MHZ
XIN10MHZ
24
125HZ
TL9703
VHS_S_IN
7
1
VHS_S_IN
2
VHS_S_CLK
6
VHS_S_OUT
8
100
VHS_S_OUT
4
3
REMOCON
TO/FROM
SYSTEM CONTROL
& SERVO SECTION
SYSTEM CONTROL
& SERVO SECTION
12
4
2
5
IC9706
XRESET
+5V
22 FAN_PWM_OUT
X_SW12.5V
P9701
1
M
39
FAN_LOCK
FAN MOTOR
IC7501
(FL DRIVE)
Q9703,
Q9704
Q9704
P9701
3
VHS_S_CLK
PS9702
PS9702 PP7502
10
DUB_LED
S7509
S7504
S7503
S7507
S7502
S7501
STOP
PLAY
REC
SELECT
OPEN/CLOSE
VHS
S7505
DVD
P9101
12
80
VHS_S_CS
P6001
VTR_CS
P9101
P6001
P9101
P6001
P9101
P6001
P9101
P6001
REMOCON
RESET
FAN DC OUT
FAN LOCK
(5V DET)
(3.3V DET)
(FAN DRIVE)
FL _CS
FL_CLK
FL DATA
PP7501
PS9701
6
X_SW5R8V
FL _6V
9
DOUT
37
42
14
29
GR6
GR1
SG1
SG16
1GA,1GB
2G
2G
3G
3G
4G
4G
5G
5G
6G
6G
7G
7G
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
41,38,35,
11,8,5
11,8,5
AD5V
Q7502
I2CDT
36
5
SDA
P9703
38
6
SCL
P59001
I2CSCK
P9703
P59001
TO/FROM
DIGITAL P.C.B.
DIGITAL P.C.B.
IC9705
(EEPROM)
- Cylinder PG Adjustment data
33
31
29
27
26
23
22
20
18
16
14
12
34
32
30
28
25
24
21
19
17
15
13
10
9
7
6
4
DMR-EZ47VEB
55
11.7. System Control & Servo Block Diagram
DMR-EZ47VEB
System Control & Servo
Block Diagram
System Control & Servo
Block Diagram
TO
IC3002
IC3002
5 , QR4501
L
H
L
L
H
H
H
TL6002
VDD
CAP TL
CAP FG
+5V
PB CTL
VCC
+5V
19
TL6004
34
RESET
PG OUT
PG-
PG+
4
P9101
P6001
1
1
4
4
12
12
PP4801
PP4801
PP4801
PS6002
PS6002
PS6002
6
7
8
12
P6001
P6001
P6001
P9101
P9101
P9101
P9101
P6001
AD +5V
3
IC7601
1 IR
(REMOTE CTL.RECEIVER)
14
REMOCON
VHS KEY 1
5
VHS KEY 2
6
POWER
S7701
S7704
EJECT
TIMER BUS CLK 70
TIMER BUS DATA IN 69
IIC CLK 71
TIMER BUS DATA OUT 68
15
TIMER CS
FROM
POWER
POWER
(S-REEL SENSOR)
IC6502
CTL HEAD(+)
CTL HEAD(-)
COIL
PG
COILS
MOTOR
CYLINDER
2
IC9703
1 OUT
(RESET)
X SW+5.8V
+5V
(SWITCHING REG.+5V)
IC6302
ON
IN
OUT
4
3
1
PON
75
AD 5V
5V(D) 37
(12MHz)
X6001
12MHz OUT 39
12MHz IN 38
SENSOR
PHOTO
TAKE-UP
Q6501
LED
SENSOR
D6501
SENSOR
PHOTO
SUPPLY
Q6502
TAB SW
SAFETY
S6531
+5V
(T-REEL SENSOR)
IC6501
4
2
1
3
4
2
3
1
TL23
TL24
80 T.REEL
79 S.REEL
26 SAFETY TAB
7 S.PHOTO
8 T.PHOTO
SW
MODE
S6532
5
4
3
2
1
SW4
SW3
SW2
SW1
SW4
SW3
SW2
SW1
30 POSITION SW4
POSITION SW3
31
32 POSITION SW2
POSITION SW1
33
PB CTL OUT
EX.FF/REW
TW2002
97
82
6
5
P4002
P4002
HEAD
CONTROL
95
94
COMPOSER
FG/PG
AMPLIFIRE
DIFFERENTIAL
17
16
15
PFG
90
18
CYL ET
CTL AMP REF
96
O REF
91
UNLOADING
LOADING
FG. AMP. IN
FG. AMP. OUT
77
14
AMPLIFIRE
DIFFERENTIAL
COM
M3
M2
M1
20
-
+
+
+
AMPLIFIRE
DIFFERENTIAL
SELECTOR
GENERATOR
SIGNAL
DRIVE
MOTOR
PRE-DRIVE
DRIVE
MOTOR
25
23
22
MOTOR
LOADING
M
+
-
2
1
P6531
P6531
4
2
OUT 2
OUT 1
AMP
AMP
PRE-DRIVE
LOGIC
CONTROL
R IN
F IN
28
29
6
5
(LOADING MOTOR & CYLINDER MOTOR DRIVE)
IC2501
HEAD
FG
CAPSTAN
3
P0201
P2571
TL2515
87
86
(SYSTEM CONTROL/SERVO/TIMER)
IC6001
CAP R/F
CAP ET
CURRENT LIMIT
74
76
11
TL2502
7
6
5
2
P2571
P2571
P2571
P2571
P0201
P0201
P0201
P0201
MECHA12.5V
11
10
9
19
ED/S
EC
TL
VM
POWER
HALL
SELECT
DIRECTION
TORQUE
PROCESS
SIGNAL
POSITION
AMP
DEF
AMP
EC
AMP
TL
CONTROL
TORQUE
AMPLIFIRE
DIFFERENTIAL
DRIVE
MOTOR
VH+
A3
A2
A1
H2+
H2-
H1+
H1-
H3+
H3-
HALL
HALL
HALL
COILS
MOTOR
CAPSTAN
(CAPSTAN MOTOR DRIVE)
IC0201
21
27
26
25
24
23
22
17
16
15
IIC DATA 72
FROM
IC3901
IC3901
IC3901
88
89
10
74
, TU7801
, IC3001
TO/FROM
1
P2501
2
3
3
4
7
6
1
P6001
P9101
P_FAIL
DIG. INTERFACE P.C.B.
1
P0201
P2571
TO CAPSTAM MOTOR
10
P6003
P9103
IR
KEY1
KEY2
REMOCON
VTR_CS
VHS_S_OUT
VHS_S_IN
VHS_S_CLK
3
80
100
1
2
(D-IF/TIMER MICROPROCESSOR)
IC9701
REMOCON
VHS_S_CS
VHS_S_IN
VHS_S_OUT
VHS_S_CLK
16
16
P9101
P6001
KEY_CH_DOWN
17
17
P9101
P6001
KEY_CH_UP
7
7
PP7501
PS9701
KEY_CH_DOWN
8
8
PP7501
PS9701
KEY_CH_UP
CH UP
S7508
CH DOWN
S7506
43
, IC4501
FRONT JACK P.C.B.
DIG. INTERFACE P.C.B.
FL DRIVE P.C.B.
DMR-EZ47VEB
56
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