Pioneer IS-21T, Service Manual

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XC-IS21T
16
A
B
C
D
1 2 3 4
1 2 3 4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
TUNER MODULE
TX CONNECT
ASSY
FRONT PANEL
ASSY
CN6201 CN161 J60
A B
K
TX LcH
KEY
JOG
TX LcH
KEY 1
JOG
KEY 2
KEY 3
TX+5V
TX+5V
U-COM
ASSY
LCD
ASSY
J60
C
CD ASSY
CD MECHA ASSY
F
D
DECK ASSY
MECHA ASSY
J
TX LcH
TX+5V
(CD)
(PB)
(REC)
(REC)
(REC)
(TX) (TX)
(TX) (TX)
PB L
GND
GND
CN2301
LD PD
PDIC PD1
PDIC PD2
F
E
CN1101
PB L
J2201
REC/PB
HEAD
ERASE
HEAD
ERASE
CN2302
+
-
3
1 6
8
3
1
2
2
1
3
D S
G
IC2301
(NJM4558M)
IC2401
(BA4558MD)
IC2201
(HA1236AF)
DOLBY NR
Q2301
(2SK373)
+
+
+
+
VR2301
(PB LEVEL)
+
+
VR2401
(REC LEVEL)
VR2801
(BIAS)
REC L
PB IN L
LINE OUT L
REC OUT REC IN L
L2201
MPX
L2801
BIAS OSC
(PB)
(PB)
PB
6
5
1
3
Q2801
(2SC1815)
Q2802
(2SC1815)
BIAS
Cro2
(FS)
(TS)
(TS)
LD ON
SL +
CN1301
SL -
SP +
SP -
VC
IC1101
CXA1821M
IC1201
CXD2587Q
IC5501
PDG242A
IC1301
BA5970FP
(D.O)
(FS)
(SM)
(CM)
(CM)
(TS)
(TS)
(TS)
(FS)
(FS)
(TS)
(FS)
(FS)
(SM)
(FS) (FS) (TS) (TS)
(SM) (SM) (CS) (CS)
T +
CN1101
CD L
D. OUT
D. OUT
CD LD ON
LCD_CE
LCD_CLK
LCD_DATA
CN10
CN10
1 15
V+5UN
V+5UN
J101
V+5CDM
V+5CDM
GNDCDM
V+5CD
V+5CD
F -
F +
T -
TFDR
TRDR
FFDR
FRDR
TFDR
TRDR
FFDR
FRDR
GND
GND
GND
V+5CD
V+5CD
GNDCDM
V+12TX
GNDU
GNDU
AC
IC5503
PDG243
SYSTEM U-COM
13
49
AC_PLUS 60
44
38
39
40
7
48 8
50 9
LCD U-COM
1 29
CN150 CN50
CN90
CN105
CN105
CN80
LCD_POW 4 14
V+12M
V+12M
Q5501
V+12TX
V+5.6U
V+5.6U
PICKUP ASSY
(2/2)
PICKUP ASSY
(1/2)
SL
SP
SL/SP
MOTOR
+
-
+
-
1
7
7
2
7
2
7
2
7
2
10
13
17
15
10
13
17
15
6
16
8
15
15
15
10
7
3
4
8
5
5
4
7
3
2
2
1
1
2
3
4
15
8
14
9
12
7
6
1
2
5
6