Sony XR-C7220R Service Manual

XR-C7220R
– 25 –
– 26 –
6-2. BLOCK DIAGRAM – MAIN Section –
05
INAO1 VOUT
TCO1
VR
IN1
TIN1
FD
IN1
FNTO1
REO1
(Page 24)
(Page 24)
AM
FM-L
INPUT SELECT,
ELECTRICAL VOLUME
IC301
LINE DRIVER
IC311
INPUT
SELECTOR
VOLUME
CONTROL
CIRCUIT
TONE
CONTROL
CIRCUIT
FADER
CONTROL
CIRCUIT
REFERENCE VOLTAGE
GENERATOR (FOR BIAS)
IC302
LOUDNESS
CONTROL
CIRCUIT
SHIFT
REGISTER &
LATCH
VCT
BUFFER
CN780 (1/2)
BUS
AUDIO IN
L
R
R-CH
CN780 (2/2)
FRONT
LINE OUT
REAR
LINE OUT
L
R
L
R
R-CH
R-CH
COM +8V
R-CH
R-CH
CE
DATA
CLK
VOLCE
DATA
CLK
VCT
GAIN
B
(Page 24)
TAPE-L
C
(Page 30)
LED ON
D
22
16 2117
40
42
33 32 31 30 26 25
23
24
41
39
A
36 – 38
AM-IN-L
AUX-IN-L
FM-IN-L
TAPE-IN-L
R-CH
R-CH
VOLCE
DATA
CLK
MUTING
Q340
MUTING
Q430
MUTING
Q330
MUTING
Q440
22
MUTE
4
11
12
IN1
15
IN3
IN2
14
IN4
POWER AMP
IC700
5
3
21
23
OUT2+
OUT2–
OUT4+
OUT4–
7
OUT1+
OUT1–
17
19
OUT3+
OUT3–
CN700 (1/2)
(POWER CONNECTOR)
1
9
FRONT L (+)
FRONT L (–)
FRONT R (+)
FRONT R (–)
REAR L (+)
REAR L (–)
REAR R (+)
REAR R (–)
4
2
12
10
3
11
TEL-ATT
13
TEST MODE
15
9
POWER AMP
MUTE SWITCH
Q702
LEVEL SHIFT
Q603
MUTING
CONTROL SWITCH
Q700, 701
D717
66
VOLSO/SUBSO
VOLCKO/SUBCKO
67
VOLCE
MUTE
64
65
58
TEL-ATT
79
SYSTEM CONTROLLER
IC600 (2/4)
D715
TESTIN
ST-BY
• SIGNAL PATH
: AM (MW/LW)
: FM
: TAPE PLAY
: BUS AUDIO IN

Sony XR-C7220R Specifications

General

Brand	Sony
Model	XR-C7220R
Category	Car Receiver
Language	English