Panasonic NV-FJ623EG Service Manual page 43

R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION
I :TO INPUT/OUTPUT SECTION
G
S MUTE H A4
S SYS IIC CLOCK A3
S SYS IIC DATA A2
V FSC A1
F
I AUDIO OUT1 (R)
E
I AUDIO OUT1 (L)
V FM MUTE
L4502
1.2u
R PS 5V
R PS 12V
R GND
R GND (N)
D
V AUDIO IN (N)
V AUDIO OUT (N)
C
R RFC AUDIO OUT
H
S AUDIO MUTE
B
R TUNER AUDIO (R) B1
I AUDIO IN1 (R) B2
R TUNER AUDIO (L) B4
I AUDIO IN1 (L) B5
V AUDIO HEAD COM B7
V AUDIO HEAD R B8
V AUDIO HEAD L B9
S A.HEAD SW B10
S ABS NORMAL H B11
S D.FM REC H B12
A
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
1 2
AUDIO MAIN SIGNAL PATH IN REC MODE
0.2
49
0.5
50
5.8
51
5.8
52
C4531
16V10
5.8
53
R4536
220
0
54
0
QR4502
-0.4
UN2216
(MUTE) 55 GND
R4535
220
0
56
0
QR4501
C4532
-0.4
UN2216 16V10
5.8
(MUTE) 57
L4501
0
12.3
58 VCC2
C4537 C4538
R4528 C4533
0.01 16V47
390 16V10
6.0
59
C4534
10V22
0.7
60
C4535
0
2.4
61
C4536
0.1
2.4
62
R4527
4700
63
QR4505
64
0
UN2113
QR4506
(BUFFER)
0 -0.4
UN2216
(MUTE)
IC4501
AN3656NFBPBV
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
3 4
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
A1 A2 A3
R4537 C4528 R4524 R4525
0 16V10 1K 1K
2.5 2.5 4.7 2.0 3.2 4.2 4.3
48 47 46 45 44 43 42 41 40
IIC BUS
INTERFACE
SWITCH
RCH
SWITCH
LCH
OUTPUT
SELECT
SWITCH
RCH
+
OUTPUT
SELECT
SWITCH
LCH
DET
NORMAL
OUTPUT
SWITCH
INPUT SWITCH RCH
1 2 3 4 5 6 7 8 9
0 0 0 0 0 2.4 2.0 0
C4501 C4502
16V10 16V10
B1 B2
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
5 6
A4
R4522 R4538 C4521 C4520
30K 1K 16V10 16V22
0.3
4.9 0 1.7 0 2.4 (0.7) 2.5
39 38 37 36 35 34 33
PNR RCH 32
AGC & REC AGC
31
SWITCH DET
30
FM
MODULATOR/ 29
DEMODULATOR
ENV.DET
28
OUT
LPF
27
BPF
REC
26
DC2
BPF + AGC
VCC 25
LPF
PREAMP
& 24
SWITCH
FM
MODULATOR/ GND 23
DEMODULATOR
22
21
20
AGC &
19
SWITCH
PNR
18
LCH
INPUT SWITCH LCH
17
10 11 12 13 14 15 16
0 0 2.0 0 0 0 2.4
C4503
16V10
R4516
510
R4515
4700
C4504
0.047
C4505
10V33
B4 B5
NV-FJ623EG/EGY,FJ628EE
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
Hi-Fi AUDIO SECTION SCHEMATIC DIAGRAM
ORDER A PART,PLEASE REFER TO PARTS LIST.
7 8 9
R4523
4700
R4521 C4522 C4523
510 0.047 10V33
R4520
120K
C4519
0.015
2.5
C4518
2.4
0.22
(1.0)
1.7
(4.1)
TW4502
R4519
D4502
820 R4508
1.8
MA165
680
(4.3)
B12
TL4503
0.1
(4.1)
B11
2.4
(0)
B10
C4516
0
0.1
(2.0)
4.9
C4513
0.7
0.01
(2.0)
B9
C4512
150P
C4511
C4510
150P
0.7
0.01
(2.0)
B8
TW4501
0
(1.8)
B7
C4509
0
0.033
(1.9)
C4508
0.015
2.5
C4507
16V22
2.5
C4506
0.3
16V10
(0.7)
C4515
6V100
C4514
0.01
10