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AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
A1 A2 A3 A4 A5 A6
V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION L4503 R4523
1.2u 4700
I :TO INPUT/OUTPUT SECTION
T :TO TIMER SECTION
C4524 C4525
0.01 6V100 R4521 C4522 C4523
G R4537 C4528 R4524 R4525 R4522 R4538 C4521 C4520
510 0.047 10V33
0 16V10 1K 1K 30K 1K 16V10 16V22
2.5 2.5 4.7 2.0 3.2 4.2 4.3 4.9 0 1.7 0 2.4 0.3 2.5
(0.7)
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 R4520 L4504
VCC
S D.FM REC H A6 120K 180u
CONTROL
VCO-
REC AGC
GND(R)
FO
S PB 60Hz H A5
MUTE
ADJ.
S MUTE H A4
S SYS IIC CLOCK A3 C4517 C4539
C4519 100P 18P
S SYS IIC DATA A2 0.2 2.5 0.015
V FSC A1 49 IIC BUS PNR RCH 32 0
(C/D) INTERFACE (0.2)
R4529 C4518 QR4507 0
2.4
220 0.5
AGC & REC AGC 31(1.0)
0.22 UN2211
I AUDIO OUT2 (R) 50 SWITCH DET (PB 60Hz H :ON)
0
R4530
-0.4 QR4503 100K C4529
1.7
UN2216 16V10 5.8
SWITCH (4.1)
F (MUTE) 51 RCH 30
TW4502
R4519
R4531 C4530 820 D4502
220 16V10 1.8 MA165
5.8 FM (4.3)
I AUDIO OUT2 (L) 52 SWITCH MODULATOR/ 29
0 LCH DEMODULATOR TL4503
R4532 R4506
-0.4 QR4504 100K C4531 22K
OUTPUT 0.1
UN2216 16V10 5.8
SELECT ENV.DET 28 (4.1)
(MUTE) 53 SWITCH OUT
RCH LPF
R4536 B11
220 2.4
0 (0)
I AUDIO OUT1 (R) 54 27 B10
0 BPF
R4533
-0.4 QR4502 100K C4516
0
UN2216 REC 26(2.0)
0.1
E (MUTE) 55 GND + DC2
R4535
220 0 BPF + AGC 4.9
I AUDIO OUT1 (L) 56 VCC 25
0
R4534
-0.4 QR4501 100K C4532 C4513
OUTPUT 0.7
T P.FAIL MUTE UN2216 16V10 5.8
SELECT
LPF PREAMP (2.0)
0.01
(MUTE) 57 SWITCH & 24 B9
LCH SWITCH
C4512
L4501 150P
0 12.3 FM
R PS 12V 58 VCC2 MODULATOR/ GND 23
R PS 5V DEMODULATOR
R GND C4537 C4538 C4511
0.01 16V47 R4528 C4533 150P C4510
390 16V10 0.7 0.01
6.0 (2.0)
D 59 22
TW4501
B8
C4534 DET
10V22 0
0.7 (1.8)
60 21 B7
C4535 C4509
16V10 0 0.033
2.4 NORMAL (1.9)
V AUDIO IN (N) 61 OUTPUT 20
SWITCH
C4536 C4508
0.1 2.4 2.5 0.015
V AUDIO OUT (N) 62 AGC & 19
SWITCH
R4527
4700 C4507
2.5 16V22
PNR
C R RFC AUDIO OUT 63
INPUT SWITCH RCH INPUT SWITCH LCH
LCH 18
C4506
0.3 16V10
(0.7)
QR4505 0 64 17
UN2113
0 (BUFFER) -0.4 QR4506
S AUDIO MUTE H UN2216
VREF
GND
(MUTE)
(L)
IC4501 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
AN3656NFBP 2.3 0 2.3 0 0 2.4 2.0 0 0 0 2.0 0 0 0 2.4
C4540 C4541 C4501 C4502 C4503
0.1 0.1 16V10 16V10 16V10
R4516 C4515
B (C/D) 510 6V100
R TUNER AUDIO (R) B1 R4515
4700
I AUDIO IN1 (R) B2
I AUDIO IN2 (R) B3 C4504
0.047
R TUNER AUDIO (L) B4
I AUDIO IN1 (L) B5 C4514
0.01
I AUDIO IN2 (L) B6
V AUDIO HEAD COM B7 C4505
10V33
V AUDIO HEAD R B8
R4511 5600
R4504 5600
R4514 5600
R4502 5600
R4510 10K
R4517 22K
R4509 68K
R4503 68K
R4513 10K
R4518 22K
R4512 68K
R4501 68K
V AUDIO HEAD L B9
S A.HEAD SW B10
S ABS NORMAL H B11
L4502
1.2u
(C/D) (C/D)
A
B1 B2 B3 B4 B5 B6
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
WITH PAL COLOUR.(SP MODE)