Pioneer GEX-M7347XMZH/XN/UC User manual

ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2004
CRT3404
XM SATELLITE DIGITALTUNER
GEX-M7347XM ZH /XN/UC
K-ZZA. NOV. 2004 Printed in Japan
HONDA
--
--
This service manual should be used together with the manual(s) listed below.
For the parts numbers, adjustments, etc. which are not shown in this manual,refer to the following
manual(s).
VEHICLE DESTINATION PRODUCED AFTER OEM PART No. ID No. PIONEER MODEL No.
SUT U.S.A. February 2005 39820-SJC-A010-M1 ••••• GEX-M7347XMZH/XN/UC
Model No. Order No. Mech.Module Remarks
GEX-M7027XMZH/XN/UC CRT3005

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Mark No. Description GEX-M7027XMZH/XN/UC GEX-M7347XMZH/XN/UC
1 Contain Box CHL4928 CHL5401
2 Protector CHP2656(x4/6) CHP2883(x2/6)
3 Protector CHP2657 CHP2884(x3/6)
5 Protector CHP2655 CHP2882
* 6 Card CRL2374 Not used
7 Protector Not used CHP2885(x4/6)
*:Non spare part
SAFETY INFORMATION
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the
of California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
state
7
EXPLODED VIEWS AND PARTS LIST
PACKING(Page 4)
PACKING SECTION PARTS LIST
EXTERIOR(Page 6)
EXTERIOR SECTION PARTS LIST
Mark No. Description GEX-M7027XMZH/XN/UC GEX-M7347XMZH/XN/UC
4 Main Unit CWM8561 CWM9557
18 Digital Unit CWX2749 CWX3074
24 Case Unit CXB9640 CXC3344
28 Transistor(Q852) 2SB1185 TA48018S(IC)(IC852)

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Circuit Symbol and No. GEX-M7027XMZH/XN/UC GEX-M7347XMZH/XN/UC
IC202 IC STA-400 STA-400A
IC203 IC K4S280832D-TL1H K4S280832F-TC75
IC206 IC STA-450 STA-450AP
D201 Diode Not used MA2S784
R248 RS1/16SS103J RS1/16SS472J
R249 RS1/16SS103J RS1/16SS472J
ELECTRICAL PARTS LIST(Page 36)
DIGITAL UNIT
R1
R1
IC206
100P
100P
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MAIN UNIT
Circuit Symbol and No. GEX-M7027XMZH/XN/UC GEX-M7347XMZH/XN/UC
IC701 IC PD5818A PEG029B
IC703 IC Not used S-93C56BD0I-J8
IC852 IC S-816A25AMC-BAA TA48018S
Q852 Transistor 2SB1185 Not used
D851 Diode S2G-6600 Not used
D902 Diode MPG06G-6415G50 S2G-6600
Digital Unit CWX2749 CWX3074
R461 Not used RS1/16S0R0J
R718 RS1/16S223J RS1/16S104J
R719 Not used RS1/16S103J
R720 RS1/16S223J RS1/16S473J
C853 CSZS4R7M10 CSZS330M6R3
C858 Not used CKSRYB104K16
C904 CEAT471M25 CEAT102M16(P35)
C906 CEAT102M16(P35) CEAT221M25
C907 Not used CEAT221M25
10K
S-93C56BD0I-J8
47K 100K
47K
Page 13 5-E
220/25 1000/16
Page 15 6-C

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R01
R01
R047
R1
R1
33/6R3
S-816A33AMC-BAI
Page 12 3-B(R461)
Page 15 5-F(C858)

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PCB CONNECTION DIAGRAM
MAIN UNIT
Capacitor
Connector
P.C.Board Chip Part
MAIN UNIT
SIDE B
SIDE A
NOTE FOR PCB DIAGRAMS
1.The parts mounted on this PCB
include all necessary parts for
several destination.
For further information for
respective destinations, be sure
to check with the schematic dia-
gram.
2.Viewpoint of PCB diagrams
AF
AF
65
43 21
123

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SIDE A
AF
CN201 BCN2
CF

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MAIN UNIT
AF
AF

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SIDE B
AF

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DIGITAL UNIT
DIGITAL UNIT SIDE A
CF
CF
IC,Q

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DIGITAL UNIT SIDE B
CF
CF
IC,Q
CN502
AF

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2003 K-ZZD. JAN. 2003 Printed in Japan
ORDER NO.
CRT3005
XM SATELLITE DIGITAL TUNER
Service
Manual
HONDA
GEX-M7027XMZH/XN/UC
GEX-M7027XMZH XN/UC
For details, refer to "Important symbols for good services" on the next page.
VEHICLE DESTINATION PRODUCED AFTER HONDA PART No. ID No. PIONEER MODEL No.
ACURA RL U.S.A. January 2003 39820-SZ3-A010-M1 GEX-M7027XMZH/XN/UC

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[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.

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GEX-M7027XMZH/XN/UC
CONTENTS
SAFETY INFORMATION......................................................................................................................................................2
1. SPECIFICATIONS .................................................................................................................................................................3
2. EXPLODED VIEWS AND PARTS LIST ................................................................................................................................4
2.1 PACKING ........................................................................................................................................................................4
2.2 EXTERIOR ......................................................................................................................................................................6
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM...............................................................................................................8
3.1 BLOCK DIAGRAM..........................................................................................................................................................8
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)..................................................................................................10
3.3 RF UNIT........................................................................................................................................................................16
3.4 DIGITAL UNIT ..............................................................................................................................................................22
4. PCB CONNECTION DIAGRAM..........................................................................................................................................28
4.1 MAIN UNIT...................................................................................................................................................................28
4.2 RF UNIT........................................................................................................................................................................32
4.3 DIGITAL UNIT ..............................................................................................................................................................34
5. ELECTRICAL PARTS LIST..................................................................................................................................................36
6. ADJUSTMENT...................................................................................................................................................................42
6.1 TEST MODE .................................................................................................................................................................42
7. GENERAL INFORMATION.................................................................................................................................................53
7.1 DIAGNOSIS..................................................................................................................................................................53
7.1.1 DISASSEMBLY..........................................................................................................................................................53
7.1.2 CONNECTOR FUNCTION DESCRIPTION................................................................................................................54
7.2 IC...................................................................................................................................................................................55
7.3 EXPLANATION.............................................................................................................................................................59
7.3.1 SYSTEM BLOCK DIAGRAM.....................................................................................................................................59
7.3.2 OPERATIONAL FLOW CHART .................................................................................................................................60
8. OPERATIONS .....................................................................................................................................................................61
1. SPECIFICATIONS
General
Power source ................. 13.2 V DC (10.8 – 15.2 V allowable)
Grounding system ........................................... Negative type
Backup current ................................................... 2 mA or less
Dimensions ........................ 187.5 (W) x 30 (H) x 130 (D) mm
Weight .......................................................................... 0.82 kg
XM tuner
Frequency range ............................. 2,332.50 – 2,345.00 MHz
Usable sensitivity
Satellite .................................................................. – 94.0 dBm
Terrestrial ............................................................... – 92.0 dBm
Audio
Signal-to-noise ratio ........ 78 dB or more (IHF-A, 20kHz LPF)
Separation ............... 58 dB or more (400Hz HPF, 20kHz LPF)
Output Level ......................................... 8.2 dBs ± 2 dB (1kHz)

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2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING

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NOTE:
-Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.
-Screws adjacent to ∇mark on the product are used for disassembly.
-For the applying amount of lubricants or glue, follow the instructions in this manual.
( In the case of no amount instructions, apply as you think it appropriate.)
-PACKING SECTION PARTS LIST
Mark No. Description Part No.
1 Contain Box CHL4928
2 Protector CHP2656
3 Protector CHP2657
4 Polyethylene Bag CEG1297
5 Protector CHP2655
* 6 Card CRL2374

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24
1
1
32
20
26
8
21
19
4
10
15
12
13
17
17
11
14
16
1
1
1
1
1
1
1
26
26
9
28
5
23
6
7
22
27
25
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AB
C
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2.2 EXTERIOR

1 Screw BSZ30P060FTC
2 Tape CNM8263
3 Cushion CNM8321
4 Main Unit CWM8561
5 Connector(CN901) CKM1208
6 Connector(CN501) CKS4065
7 Connector(CN502) CKS4065
8 Holder CND1263
9 Holder CND1284
10 RF Unit CWE1683
11 Connector(CN2) CKS4667
12 Connector(CN1) CKX1068
13 Case CND1264
14 Holder CND1265
15 Holder CND1266
16 Insulator CNM7993
17 Screw PRZ30P060FTC
18 Digital Unit CWX2749
19 Connector(CN201) CKS4667
20 Case CND1267
21 Holder CND1268
22 Terminal(CN801) VNF1084
23 Terminal(CN802) VNF1084
24 Case Unit CXB9640
25 Chassis Unit CXB9753
26 Screw ISS26P055FTC
27 Power Supply Unit(U801) CWR1072
28 Transistor(Q852) 2SB1185
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Mark No. Description Part No.
-EXTERIOR SECTION PARTS LIST

8
IC 1
AT-119 IC 3
MAX2644EXT
33 IC 6
MAX2644EXT
63
IC 7
SW-475
15
IC 2
AT-119 IC 4
MAX2644EXT
33 IC 5
MAX2644EXT
63 125
4
4
IC 10
AD8314ARM
7
IC 15
S-812C25AMC-C2F
3
3
RF AGC DETECTOR
KEYED AGC CIRCUIT
F2
7IC 11
MAX2682EUT
3 4
1
F4
5IC 17
AD61009ARS
14
6
F1 IC 9
MAX2682EUT
3 4 F16
5IC 18
AD61009ARS
14
6
F3 IC 14
RF2325
35
1st IF (TER)
1st IF (SAT)
2nd MIX AND AGC AMP
2nd MIX AND AGC AMP
IC 12
RF2326
53
1
IC 13
SI4136XM-BT
11
IC 8
AD8061ART
IC 16
TC7W14FK
13
1
23.920MHZ
3SYS_CLK
1
15
23
17 9
8
2
316 9 17 9
8
ANTENNA
SELECT CIRCUIT
2.5GHz AND IF PLL
4
4
22
TER_IF2
SAT_IF2
5
CTL
12 SAT_AGC
12 TER_AGC
TERRESTRIAL BRANCH
SATELLITE BRANCH
CN1
SAT_IN
TER_IN
1
1
RF UNIT
11
15
22
3
7
6
CN2
26
28
30
VCC
VCC_2
VCC_2 X1
B
10
12
14
16
6
4
2
1
IC 202
STA-400
58
DIGITAL UNIT
2
CN201
CDEC
IC 206
STA-450
SSDEC IC 201
AD8131ARM
1
20
IF2SA_N
IF2TA_N 15
IC 203
K4S280832D-TL1H
SDRAM
83
34 PCSD1
PCSD
6
5
30
SAGC
TAGC 29
SAT_IF
TER_IF
SAT_AGC
TER_AGC
IC 204
TC7SH86FU
MOBILE
ADAPTER CIRCUIT
30
XTI/MCLK 33 SYS_CLK
IC 207
PCM1716E-3
2
73
SDO
16 AUDIO_L 27
DAC
CN502
CN
11
15
22
3
7
6
1
2
5
6
30
27
SY
TE
SA
CT
SA
TE
SAT_IF2
TER_IF2
SAT_AGC
TER_AGC
SYS_CLK
LCH
IC 702
S-80827ANUP-EDQ 1
BU3R3V 2
RESET
26
28
29
26
28
26
28 D3R3V
VCC3.3V
20
22
20
22
D2R5V
VCC2.5V
24 24
X601
10.00MHz
MAIN UNIT
29 29 DAC5V
AUDIO5V
A
IC 205
ST19AF08BR20QMAA
C
10
12
14
16
4
IF2TA_P 14
LCH
DIN
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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM

9
11
15
22
3
7
6
26
28
30
10
12
14
16
CN501
11
15
22
3
7
6SYS_CLK
TER_IF2
SAT_IF2
CTL
SAT_AGC
TER_AGC
75
bsen
74
ASEN
Q1
57
CTL
IC 401
NJM4558MD
67
IC 601
PD5818A
SYSTEM CONTROLLER
91
SAT_ANT
92
TER_ANT
84
XMPW
26
28
29
RF3R3V
13
15
XOUT
XIN
X601
10.00MHz
MUT
44
10
12
14
16
TER_ANT
IC 402
NJM4558MD
67
IC 651
HA12187FP
1
25
6
Q451
ACC8V Q452
ACC8V
ANSW
45
11 10
12
9
6
8
LN
LP
MUTE
LCH
Q401
TXP
TXN
TX+
TX-
TX
RX
TX
RX1
30
29
BU13
Q605
Q601
BU3R3V
BU13V
CTL
U801
64BU13
6V
Q851
IC 851
1
5
S-816A33AMC-BAI
4
3
D3R3V 6V
Q852
IC 852
1
5
S-816A25AMC-BAA
4
3
D2R5V 6V
IC 871
4
NJM2870F05
5
1
ANT5V 6V
IC 853
4
NJM2870F05
5
1
DAC5V 6V
Q873
IC 872
1
5
S-816A33AMC-BAI
4
3
RF3R3V 6V
Q951
5V BU13V
Q952
ACCPW
8V BU13V
Q972
IC 951
4
S-812C33AUA-C2N
5
BU3R3V
Q971
DIGITAL 3.3V REGULATOR
DIGITAL 2.5V REGULATOR
RF3.3V REGULATOR
DAC5V REGULATOR
ANT5V REGULATOR
DC/DC CONVERTER
2
XMPW
reset
12
Q701
TXD 31
BU3R3V
Q651
5V
8stby
IPPW 22
40
ACCPW
BU 3.3V REGULATOR
BU 5V REGULATOR
AUDIO 8V REGULATOR
IC 403
TC74HC4066AFT
ANT5V
ANT5V
8V
8
8V
8
8V
14
5V
7
BU3R3V
VDD
62
A SENSE
B SENSE
GA-NET DRIVER
LEVEL SHIFT
IC 652
TC7SET08FU
1
24
5V
GND
NC
NC
+B +B
ILL SWD
ACC
BUS+
BUS-
GND
R- R+
L- L+
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