Pioneer KEH-P6900R, Service Manual

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14
KEH-P6900R,P6900R-B,P6910R
1 2 3 4
1 2 3 4
D
C
B
A
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
TUNER Lch
Q707
Q702
Q703 Q705
LDET
TMUTE
B.U
VDD
Q952
SYSPW
TMUTE
SYSPW
VDD
A
VDD
45
51 82
19
SYSTEM
CONTROLLER
PE5083A
IC601(1/2)
TUN-L
TUN-L
ELECTRONIC VOLUME
PML003AM
IC201
11
10
2
5
6
4
BUS-L1
BUS-L2
TAPE-L
RL
FL
PEE
Q205
Q201
MUTE
MUTE
POWER AMP
PAL005A
IC301
12
14
MUTE STBY
FL
RL
FL+
FL-
RL+
RL-
22 4
5
3
21
23
SYSPW
B.U
B.U
SYSPW
Q302
Q951
Q959 Q301
Q953
Q601
Q602
MUTE
8V
REGULATOR
RESET
IC604
S-80734AN
VCC
VDD
1
2
8
5
6
B.U
TX
TX
RX
RX
ASENBO
ASENBO
IP-BUS DRIVER
IC751
HA12187FP
BUSL+
BUSL-
BUS-
BUS+
Q751
Q752
8
1
5
11
7
86
85
47
100 33
11
1
2
92 93
16
15
42
65
55
64
MUTE
PEE
RESET
BSENS ASENS
SWVDD
DPDT KYDT ILMPW DSENS
ASEMBO
RIMUTE
STBY
MTL
LOADSW
X1
X2
TELIN
SYSTEM
CONTROLLER
IC601(2/2)
PE5083A
X601
Q954
BSENS
ASENS ACC
FUSE
10A
TEL MUTE
Q611
B.U
STBY
B.U
MUTE
MTL
LOAD
69
44 25 95 96 46
VDD
Q957
Q958
ILMPW
DSENSE
Q609 SWVDD
VDD
SW5V
ILL1 KYDT DPDT SW5V
VDD SWITCH
5
1
4
2
1
3
4
11
9
20
19
8
3
4
11
9
20
19
8
7
2
11
8
1
8
13
A
TUNER AMP UNIT
E
DECK UNIT
2 12 11 10
10 5 6 8
LCD DRIVER
IC901
PD6279A
DPDT
KYDT
VDD
LCDB
XO
XI
REM
IN
REMOTE CONTROL
SENSOR
IC902
RS-140
X901
53
52
50 10
4
1
60
57
58
IC251
CXA2560Q
IC351
PA2020A
EQ
MOTOR
DRIVER
CN251
CN252
CN254
CN255
CN253
7
5 TAPE+B
Lch
17
18
FWD
L-ch
REV
L-ch
37
36
39
18 19
17
3 1 5 6
8 7
10
CN256
3 1 5 6
S1
LOAD
S2
MODE
EGN1
REEL
SENSE
M
M
M2
SUB
MOTOR
M1
MAIN
MOTOR
5
2
1
F
REEL SENSE PCB
CN602
CN751
IP-BUS
CN301
CN952
CN603
CN601
CN1901
VCK/VDT/VST
ACC
BACK UP
FL+
FL-
RL-
RL+
TEL MUTE
B.REMOTE
3
1
VCC
LOUT
RIMUTE
LDSW
MTL
STBY
B7
B5
B6
B8
A4
A7
KEY MATRIX
LCD
ANT1 TV ANT2 TV RF
TV
IC 3
BR9010FV
AM 2ND IF 450kHz
CN401
B
FM/AM TUNER UNIT
28
FM FRONT END
Q3
Q201 Q204
AM RF
FM/AM 1ST IF 10.7MHz
T51 Q51 CF51 CF52 CF53
MIXER.IF AMP DET
IC 1
PML002A
38 39 42 44 46 63
32 19
46
6
21
18
LDET
COMP
34 33 41 44 11 12 13
69
70
54
78
65
71
75 74 61 57 55 45 33
35
22
22 25 10 14 12 15 16 8 13 2 3 4
CF202
VDD
LOCL
VCC
Q401
VCC
VDDT
DI/DO CE2 CK CE1 SDBL SL FMSD
TUNPCE2
TUNPCK TUNPCE
SDBW
SL
SD
PDIO
NL1 NL2
EEPROM
5
6
4
3
IC 2 PM4008A
FM MPX
25 24
NL
Q202
32
LDET
88
RDS
DECODER
IC 701
PM4009A
20
11 12
24
X701
Q701
VDD
fm /AM
FM/AM
1
78
NL
SD
SL
SDBW
TUNPCE
TUNPCK
TUNPCE2
LOCL
31
75
22
99
97
52
49
4
4
S3
70
µ
S
S601
2 12 11
10
3 8 7 5
C
PANEL PCB UNIT
BZ601
ALARM
BUZZER
25
TUNPDI,O
94,98
ANTENNA
27
D
KEYBOARD UNIT
IC951
Q952
VDD
B.U
S-81250PGPD
VDDT
1
3
28
-
KEH-P6900R,P6900R-B