PIONEER CORPORATION 4-1, Meguro 1-chome,PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, LoPIONEER EUROPE NV Haven 1087, Keetberglaan 1, 912PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253
PIONEER CORPORATION 2004
DEH-P770MP/XN/UC
Meguro-ku, Tokyo 153-8654, Japanng Beach, CA 90801-1760, U.S.A.0 Melsele, BelgiumAlexandra Road, #04-01, Singapore 159936
ORDER NO.
CRT3333
MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER
DEH-P770MP/XN/UC
DEH-P7700MP/XN/UC
DEH-P7750MP/XN/ES
This service manual should be used together with the following manual(s):
Model No. Order No. Mech.Module Remarks
CX-3158 CRT3394 S10.1AAC CD Mech. Module:Circuit Description, Mech. Description, Disassembly
For details, refer to "Important Check Points for Good Servicing".
K-ZZU.DEC. 2004 Printed in Japan
C
D
F
A
B
E
41
43
44
42
1
,VCK,VDT
L
EL INDIC
B.UP
15
ASLIN
Q8
Q8
Q
Q822
0MHz
ILB CONT
B
20
1 2 3 4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM3.1 BLOCK DIAGRAM
ASENBO
85MUTE
XIN
XOUT
PEE
22
38
80
28
27
79
SYSTEM CONTROLLERIC 601(2/2)
CN4011
2
BUS-
BUS+
TX
RX
IPPW
SW
VD
D
TUNER AMP UNIT
13
X6011
VST
TUN
L+
L-
CDL
33
DP
DT
34
KY
DT
1SYSPW
EJTIN42
41
ILM
PW
A
5
81
7
CN101
11
BUZZER
IC 101HA12240FP
IP-BUS DRIVER
1
2
8
6
5 TX
RX
IPPW
B.UP
Q101
TUN 3.3V
VDD
ANTENNA
92LVLINL
LEV
20OELPW
35
RO
T1
36
RO
T0
VDD
FLPILM 40
CN651
21
19
5
14
20
BRST,BRXEN,BSRQ
BDATA,BSCK,CONT,CDMUTE
VD22
B.UP
VDD
VD
TUNER 3.3V REGULATOR
Q404BUFFER
BZ621
19RX2
Q650
Q651
Q641
Q642
NJM2391DL1-33IC420 13
SYS 8.3VNJM2391DL1-05IC421
3 1
TUNER 5V REGULATOR
PEG070A
S802
DETACH SENSE SW
39DSENS
L+
L-
VDCONT
Q102
CDL
VD2
10.0
FM ANT
RFG
ND
OS
CG
ND
DG
ND
VC
C
VD
D_3
.3
WC
CE
2
RO
M_V
DD SL DI
CK
CE
1
DO
7 13 5 10 8 11 14 18 19 20 21
1
3
2 12 15 4 17
AM ANT
16
23
COMP
Lch
24Rch
22ANT1
6 9
IC45V 3.3V
IC3EEPROM
IC2DET/NC/MPC/MPX/DIV
REG OSCX-talCFIFT
LPF
TANK
RF
RFTANK
ATT
ATT
LPFVCO
IC1MIX/IF/PLL
FM/AM TUNER UNIT NC
NC
NC
NC
NC
91
CS
EN
S
BRST,BRXEN,BSRQ
D
CN901
Q101
M
LASERDIODE
MONITORDIODE
S903DSCSNS
FOCUS ACT.
M1SPINDLEMOTOR
MM2LOADING/CARRIAGE
MOTOR
TRACKING ACT.
LD-
MD
FOPTOP
15
5
14
PICKUP UNIT(P9.9MP3)(SERVICE)
HOLOGRAM UNIT
IC 301BA5835FP
IC 201UPD63763GJ
IC 703
3V REGULATOR
RF AMP, CD DECODER,MP3 AND WMA DECODER,DIGITAL SERVO/DATA PROCESSOR
CDDRIVER
3VDVD
3VDD
10LOUT
5
CN101
TOP
FOP
16 SOP15 SOM18 LCOP17 LCOM
22
2
LOEJ
31LOUT
9CONT
12 FOP
FD,TD
AC,BD
E,F
SD,MD
3
13 TOP
S901HOME
S90412EJ
S9058EJ
LD+ 14
142 LD
143 PD
CD CORE UNIT(S10.1)
1312
X701
DSCSNS
CONT
LOEJ
HOME
32
97
53
47
VDD
IC 203NJM2885DL1-33
3.3V REGULATOR
V3R3D13
VDCONT49
S-812C33AUA-C2N
MICROCOMPUTER
IC 701PE5454A
4
V3R3D
19
BDATA,BSCK
VD2
VDD
2
15
5
14
14
VD2
VDCONT
30
31 8EJ
12EJ
X1 X2
DEH-P770MP/XN/UC161 2 3 4
C
D
F
A
B
E
85UTE
XIN
OUT
ER
13
11
L+
L-
CDL
1SPW
JTIN42
41
ILM
PW
92LINL
20LPW
RO
T0
PILM 40
Q404BUFFER
5 6 7 8
10
1
BSENS
ASENS
VDD
B.UP
72
73
10F OutL11
R OutL
ILB
SWVDD
23
21
3
5
FL-
FL+
RL-
RL+
ACC
IN2L41
IN4L+43
IN4L-44
IN3L42
FLIN14
RLIN
KEYAD
3KEYD
KEYAD
KEYD
WIREDREMOTECONTROL
2
12
22 4
RESET
POWER AMP
IC 601(1/2)
IC201PML009A
IC602
IC 301PAL007A
RE
SE
T
VDD
Q911
Q931
SYSPW
ELECTRONIC VOLUME/SOURCE SELECTOR
STBYMUTE
X601
2
VST,VCK,VDT
TUN L
DPDT
KYDT
CN161
MUTE
PL NON-FAD/SW L
FL
Q352FRONT L
12PreOutL
7
2
11
14
7
2
11
14
CN1950CN1951
4
2
10
8
PANEL UNIT
MUTE
SYSTEM CONTROLLER
Q951VDD
TELIN8
89
2
25
B.REM
VDD REGULATOR
BACKUP SENSE
ACC SENSE
TELEPHONE MUTE
3
9
11
12
10
1
8
6
3
9
11
12
10
1
8
6
2 2
B
CN901
Q301
B.UP
FUSE
10A
SL
TUNPCE2
TUNPCE1
TUNPDI
TUNPDO
95
69
70
98
99
TUNPCK100
CE2
CE1
DO
DI
CK
DALMON67
B.UP
6,20
10 10 5
Q353
PL
FL
ISENS81
ILM SENSE
5 5
NJM4558MD
IC 131
57
1
SELOutL
LEVEL INDICATOR
MIC13MICIN
MICROPHONE1
B.UP
B.UP
Q852
6,7
13 13 9
12 12 7ROT1
ROT0
VDD
S-80835CNUA-B8U
15
ASLIN93ASLIN
NOISEDET
CN801
8 8
S1970
EJECT9 9
DGND
5
6
5
6
RL
Q3512
CN351 RL
REAR L
OEL+B
RL-RL+
B.UP
GND
ACC
B.REM
ILM
TEL
FL-FL+
B.UP
SL
Q832
Q831
Q801
IC851NJM2360M
1
OEL+B
DC-DC CONVERTER
SYS 8.3V B.UP12NJM2388F84
4
IC901
SYS 8.3V REGULATOR
Q982
PEG070A
BATIND 88
Q941
Q912
PL
FL
RL
11
7
9
14
18
16
IN5 OUT5
IN1 OUT1
IN3 OUT3
IC451PA2028A
HI-OUT
P7700MP,P7750MP
P770MP,P7700MP
P770MP
CN352
Q981
Q821
Q822
ILM
TEL
FILM+
FILM-
10.00MHz
ILB CONTROL
B.UP
Q851
20
EMUTE57
MUTE
B.UP
1
KEYBOARD UNIT
ROT COMMANDERILB
SWVDD
OEL+B
IC 1940PEG072A
KEY/OEL CONTROLLER
9
11
8
KEY DATA
OEL DATA
AV
CC
97
CN1901
KEYBOARD UNIT
3
5
DPDT
KYDT
IC 1990FONT ROM
IC 1991TSOP4840SB1
REMOTE CONTROLSENSOR
OPT IN3
1 5REM
27
28
DPDT
KYDT
OEL UNIT
4,16 2,8
IC 1910S-818A33AUC-BGN
3.3V REGULATOR
15,4
C
S2030
JOYST10
1
4
6 ROT1
ROT0
ROT1
ROT0
KEY MATRIX
ILLUMINATION
Q1980
Q1981
IC2000 IC2001
VC
C1
14
VC
C2
60
23,33
AVCC
16V
9.1V
RO
MC
EC
S0
48
SWVDD
SWVDD
XIN
XOUT
13X1940
11
CS
1
47
CS
2
46 AD
DR
ES
S
DA
TA
PD8135A(P770MP)PD8136A(P7700MP,P7750MP)
CS
1
CS
2
5V
10 5
PM5006A PM5007A
+9.1VREGULATOR
3.3V
12 2 43
95
JOY
ST
4 4 3 10
RD
42
RD
14
VR
EF
96
DEH-P770MP/XN/UC 175 6 7 8
C
D
F
A
B
E
1 2 3 43.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
A-a A-b
A-a A-b
A-b A-a
Large sizeSCH diagram
Guide page
Detailed page
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".
A-a
A B
C
B PANEL UNIT
D
FM
/AM
TU
NE
R U
NIT
For resistors and capacitors in the circuit diagrams, their resistance values orcapacitance values are expressed in codes:
Ex. *Resistors Code Practical value 123 12k ohms 103 10k ohms
*Capacitors Code Practical value 103 0.01uF 101/10 100uF/10V
The > mark found on some component parts indicatesthe importance of the safety factor of the part.Therefore, when replacing, be sure to use parts ofidentical designation.
Symbol indicates a resistor.No differentiation is made between chip resistors anddiscrete resistors.
NOTE :
Symbol indicates a capacitor.No differentiation is made between chip capacitors anddiscrete capacitors.
FM:-20.5dBsAM:-31.0dBs
CD:-0.36dBs
IP-BUS:-2.2dBs
*1
*1 IP-BUS(P770):7.16dBsIP-BUS(P7700,P7750):9.3dBsCD(P770):8.32dBsCD(P7700,P7750):10.46dBsFM(P770):2.48dBsFM(P7700,P7750):4.6dBsAM(P770):-8.04dBsAM(P7700,P7750):-5.9dBs
EJECT
DEH-P770MP/XN/UC181 2 3 4
C
D
F
A
B
E
A-a A-b
A-a A-b
A-b A-a
5 6 7 8
A-b
A
10k(B)3A
A TUNER AMP UNIT
REARR ch
REARL ch
SUB WOOFERR ch
SUB WOOFERL ch
FRONTR ch
FRONTL ch
BACK UP
10A
>FUSE
CEK1208
*1
*2
*2IP-BUS(P770):33.16dBsIP-BUS(P7700,P7750):35.3dBsCD(P770):34.32dBsCD(P7700,P7750):36.46dBsFM(P770):28.46dBsFM(P7700,P7750):30.6dBsAM(P770):17.96dBsAM(P7700,P7750):20.1dBs
>
DETACH SENSE
DEH-P770MP/XN/UC 195 6 7 8
C
D
F
A
B
E
1 2 3 4
1
A-a
A-b
A-a
A-a
A-bFM/AM TUNER UNIT
FM
:-20
.5dB
sA
M:-
31.0
dBs
IP-B
US
:-2.
2dB
s
*1
*1IP
-BU
S(P
770)
:7.1
6dB
sIP
-BU
S(P
7700
,P77
50):
9.3d
Bs
CD
(P77
0):8
.32d
Bs
CD
(P77
00,P
7750
):10
.46d
Bs
FM
(P77
0):2
.48d
Bs
FM
(P77
00,P
7750
):4.
6dB
sA
M(P
770)
:-8.
04dB
sA
M(P
7700
,P77
50):
-5.9
dBs
DEH-P770MP/XN/UC201 2 3 4
C
D
F
A
B
E
5 6 7 8
B
2 3
A-a
A-b
A-a
A-a
A-b
C
BP
AN
EL
UN
IT
D
For
res
isto
rs a
nd c
apac
itors
in th
e ci
rcui
t dia
gram
s, th
eir
resi
stan
ce v
alue
s or
capa
cita
nce
valu
es a
re e
xpre
ssed
in c
odes
:
Ex.
*R
esis
tors
C
ode
Pra
ctic
al v
alue
1
23
12k
ohm
s
103
1
0k o
hms
*C
apac
itors
C
ode
P
ract
ical
val
ue
103
0.
01uF
1
01/1
0
100u
F/1
0V
The
> m
ark
foun
d on
som
e co
mpo
nent
par
ts in
dica
tes
the
impo
rtan
ce o
f the
saf
ety
fact
or o
f the
par
t.T
here
fore
, whe
n re
plac
ing,
be
sure
to u
se p
arts
of
iden
tical
des
igna
tion.
Sym
bol i
ndic
ates
a r
esis
tor.
No
diffe
rent
iatio
n is
mad
e b
etw
een
chip
res
isto
rs a
nddi
scre
te r
esis
tors
.
NO
TE
: Sym
bol i
ndic
ates
a c
apac
itor.
No
diffe
rent
iatio
n is
mad
e b
etw
een
chip
cap
acito
rs a
nddi
scre
te c
apac
itors
.
EJE
CT
CD
:-0.
36dB
s
DEH-P770MP/XN/UC 215 6 7 8
C
D
F
A
B
E
BACK
UP
> FUSE
CEK1
208
1 2 3 4
1
A-a
A-b
A-b
10k(
B)
3A
AT
UN
ER
AM
P U
NIT
RE
AR
R c
h
RE
AR
L ch
SU
B W
OO
FE
RR
ch
SU
B W
OO
FE
RL
ch
FR
ON
TR
ch
FR
ON
TL
ch
>
DEH-P770MP/XN/UC221 2 3 4
C
D
F
A
B
E
5 6 7 8
2 3
A-a
A-b
A-b
BACK
UP
10A
> FUSE
CEK1
208
*2
*2IP
-BU
S(P
770)
:33.
16dB
sIP
-BU
S(P
7700
,P77
50):
35.3
dBs
CD
(P77
0):3
4.32
dBs
CD
(P77
00,P
7750
):36
.46d
Bs
FM
(P77
0):2
8.46
dBs
FM
(P77
00,P
7750
):30
.6dB
sA
M(P
770)
:17.
96dB
sA
M(P
7700
,P77
50):
20.1
dBs
DE
TA
CH
SE
NS
E
DEH-P770MP/XN/UC 235 6 7 8
C
D
F
A
B
E
1 2 3 43.3 KEYBOARD UNIT
C
BCN1951
DEH-P770MP/XN/UC241 2 3 4
C
D
F
A
B
E
5 6 7 8
C
C KEYBOARD UNIT
P770MP:PD8135AP7700MP:PD8136AP7750MP:PD8136A
15k(
B)
15k(
B)
OEL UNIT MXS8221
SYSTEM MICROCOMPUTER
DEH-P770MP/XN/UC 255 6 7 8
C
D
F
A
B
E
TY
1 2 3 4
3.4 CD MECHANISM MODULE(GUIDE PAGE)
D-a
D
PICKUP UNIT(P9.9MP3)(SERVICE)
M1 CXC4440SPINDLE MOTOR
M2 CXB8933LOADING
/CARRIAGE MOTOR CD DRIVER
T
F
F
T
T
T
F
F
FTCS
T
F
S
C
F
F
T
T
S S C C
C
C
S
S
T
T
F
F
1
3
2
0
9 7
$
8
5
4
@
#
%
DEH-P770MP/XN/UC261 2 3 4
C
D
F
A
B
E
5 6 7 8
D-b
D
ras
SRAMLEVEL0
SRAMLEVEL1
SRAMLEVEL2
TYPE_A/D
SWITCHES:CD CORE UNIT(S10.1) S901:HOME SWITCH..........ON-OFF S903:DSCSNS SWITCH......ON-OFF S904:12EJ SWITCH.............ON-OFF S905:8EJ SWITCH...............ON-OFF
The underlined indicates the switch position.
CD CORE UNIT(S10.1)D
ACN651
FSIGNAL LINE
FOCUS SERVO LINE
TRACKING SERVO LINE
CARRIAGE SERVO LINE
SPINDLE SERVO LINE
T
C
S
3V REGULATOR
3.3V REGULATOR
MICRO COMPUTER
!
^
&
6
DEH-P770MP/XN/UC 275 6 7 8
C
D
F
A
B
E
1 2 3 4
A-a
D-b
D-a
D-a
D-b 1 2
PIC
KU
P U
NIT
(P9.
9MP
3)(S
ER
VIC
E)
T
F F
T
T TFF
F
T
C
S
T T F F@#
%
DEH-P770MP/XN/UC281 2 3 4
C
D
F
A
B
E
2
5 6 7 8
A-a
D-b
D-a
D-a
D-b3 4 5 6
M1
CX
C44
40S
PIN
DLE
MO
TO
R
M2
CX
B89
33LO
AD
ING
/CA
RR
IAG
E M
OT
OR
CD
DR
IVE
R
T F
S C
F F T T
S
S
C
C
CCSS
13 2
097$ 8
5
4
DEH-P770MP/XN/UC 295 6 7 8
C
D
F
A
B
E
1 2 3 4
D-a
D-b
D-b 1 2
ra
s
SW
ITC
HE
S:
CD
CO
RE
UN
IT(S
10.1
)
S90
1:H
OM
E S
WIT
CH
......
....O
N-O
FF
S
903:
DS
CS
NS
SW
ITC
H...
...O
N-O
FF
S
904:
12E
J S
WIT
CH
......
......
.ON
-OF
F
S90
5:8E
J S
WIT
CH
......
......
...O
N-O
FF
The
und
erlin
ed in
dica
tes
the
switc
h po
sitio
n.
CD
CO
RE
UN
IT(S
10.1
)D
FS
IGN
AL
LIN
E
FO
CU
S S
ER
VO
LIN
E
TR
AC
KIN
G S
ER
VO
LIN
E
CA
RR
IAG
E S
ER
VO
LIN
E
SP
IND
LE S
ER
VO
LIN
E
T C S
3.3V
RE
GU
LAT
OR
!
DEH-P770MP/XN/UC301 2 3 4
C
D
F
A
B
E
2
5 6 7 8
D-a
D-b
D-b3 4 5 6
SR
AM
LEV
EL0
SR
AM
LEV
EL1
SR
AM
LEV
EL2
TY
PE
_A/D
AC
N65
13V
RE
GU
LAT
OR
MIC
RO
CO
MP
UT
ER
^ &
6
DEH-P770MP/XN/UC 315 6 7 8
C
D
F
A
B
E
1 2 3 4
- Waveforms Note : 1. The encircled numbers denote measuring points in the circuit diagram.2. Reference voltage REFO1(1.65V)
1 DSCSNS2 8SNS3 12SNS4 LOEJ
5V/div5V/div5V/div5V/div
500ms/div
12 cm CD Loading operation
Ref.:GND
Mode:Normal
1 DSCSNS2 8SNS3 12SNS4 LOEJ
5V/div5V/div5V/div5V/div
500ms/div
Ref.:GND
Mode:Normal
1 DSCSNS5 CLCONT4 LOEJ6 VD
5V/div5V/div5V/div10V/div
500ms/div
12 cm CD Loading operation 8 cm CD Loading operation
Ref.:GND
Mode:Normal
0 FIN! RFOK7 SIN
200mV/div2V/div2V/div
500ms/div
12 cm CD-DA Source On setup operation
Ref.:REFO
Mode:Normal
# FE0 FIN@ TE9 TIN
500mV/div500mV/div500mV/div500mV/div
20ms/div
Ref.:REFO
Mode:Normal
@ TE# FE
500mV/div500mV/div
200ms/div
Source On setup operation CD-DA Play operation
Ref.:REFO
Mode:Normal
# FE0 FIN@ TE9 TIN
500mV/div500mV/div500mV/div500mV/div
20ms/div
CD-ROM play operation(Regular track Jump)
Ref.:REFO
Mode:Normal
$ MDX7 SIN
2V/div1V/div
5µs/div
Ref.:REFO
Mode:Normal
$ MDX7 SIN
1V/div200mV/div
50ms/div
Spindle waveform during play operation Spindle waveform during play operation(Wider)
Ref.:REFO
Mode:Normal
7 SIN8 CIN9 TIN
1V/div500mV/div500mV/div
2s/div
12 cm CD-DA setup operation after loading 12 cm CD-ROM(3 sessions) setup operation after loading
Ref.:REFO
Mode:Normal
7 SIN8 CIN9 TIN
1V/div500mV/div500mV/div
2s/div
Ref.:REFO
Mode:Normal
7 SIN8 CIN9 TIN
1V/div500mV/div500mV/div
1s/div
12 cm CD-ROM(1 session) setup operation after loading
Ref.:REFO
Mode:Normal
DEH-P770MP/XN/UC321 2 3 4
C
D
F
A
B
E
5 6 7 8
0 FIN# FE
500mV/div500mV/div
200ms/div
Focus Search waveform
Ref.:REFO
Mode:TEST
% RFAGC@ TE9 TIN
1V/div500mV/div500mV/div
500µs/div
Ref.:REFO
Mode:TEST
@ TE% RFAGC
500mV/div500mV/div
2ms/div
Track Open waveform 1 Track Jump waveform
Ref.:REFO
Mode:TEST
% RFAGC@ TE8 CIN7 SIN
1V/div1V/div500mV/div2V/div
200ms/div
Ref.:REFO
Mode:Normal
Search operation(Outter to Inner)
^ LOUT& ROUT
1V/div1V/div
200µs/div
Analog audio waveform
Ref.:AGND
Mode:Normal
7 SIN8 CIN9 TIN
1V/div500mV/div500mV/div
500ms/div
Ref.:REFO
Mode:Normal
1 DSCSNS2 8SNS3 12SNS4 LOEJ
5V/div5V/div5V/div5V/div
500ms/div
12 cm CD Eject operation
CD-DA >> CD-ROM mode change(Band key)
Ref.:GND
Mode:Normal
% RFAGC@ TE9 TIN
1V/div500mV/div500mV/div
500µs/div
4 Tracks Jump waveform 32 Tracks Jump waveform
Ref.:REFO
Mode:TEST
% RFAGC@ TE9 TIN
1V/div500mV/div500mV/div
2ms/div
Ref.:REFO
Mode:TEST
% RFAGC@ TE9 TIN
1V/div500mV/div500mV/div
1ms/div
10 Tracks Jump waveform
Ref.:REFO
Mode:TEST
1 DSCSNS5 CLCONT4 LOEJ
5V/div5V/div5V/div
500ms/div
12 cm CD Eject operation
Ref.:GND
Mode:Normal
1 DSCSNS2 8SNS3 12SNS4 LOEJ
5V/div5V/div5V/div5V/div
500ms/div
8 cm CD Eject operation
Ref.:GND
Mode:Normal
DEH-P770MP/XN/UC 335 6 7 8